Pressure-Wind Triangles of the Pacific Northwest

With inspiration and assistance from Dr. Wolf Read, also known as The Storm King, who utilized pressure-wind triangles in his analysis of historical Pacific Northwest wind storms, I have developed this webpage to study real-time pressure-wind triangles. Using a geostrophic wind calculator developed by Bjarne Hansen in 1988, I have modified the original model and added additional functionality and formulas that incorporate real-time weather station data. This allows for the display of pressure-wind triangles along the West Coast of the United States. The is a beta site that is currently under construction. Additional updates and additions are likely. If you have questions, you can reach me at john@johnrinier.com

The real-time pressure-wind triangles below, updated every 10 minutes, use the Geostrophic formula to convert(rotate) latitudes and longitudes into Cartesian coordinates in order to calculate the geostrophic Uv and Ug vector components. Several SQL stored procedures then iterate through these formulas using weather station data gathered from weather observations aggregated by Synoptic Data. With the pressure gradient and bearing derived from each triangle, additional scripts, using the Haversine formula and the Law of Cosines, calculate the respective intersection points. These triangles and points are then plotted on a graphical map. You can click on the triangles and markers to view additional details. Stay tuned for more updates!

North Pacific Satellite Image
rnST_orderGrpColorDTMinOldstationNAMElatlonCentDewPt_cRel_HumidityAltimetermbWind_mphDirectionWindCardinalWindGustWxSummaryWxConditionPrecip1HRMetar
11ALASKAlightblue8/6/2025 12:53:00 AM3PANCAnchorage, Ted Stevens Anchorage International Airport61.17444-149.9961111.710.692.9729.971014.953.0150.0SSE thin scattered  METAR PANC 060753Z 15003KT 10SM FEW060 FEW100 12/11 A2997 RMK AO2 SLP150 T01170106
22ALASKAlightblue8/6/2025 12:53:00 AM3PACVCordova, Merle K (Mudhole) Smith Airport60.49167-145.4777812.810.686.4929.981015.250.00.0N clear  METAR PACV 060753Z 00000KT 10SM CLR 13/11 A2998 RMK AO2 SLP153 T01280106
33ALASKAlightblue8/6/2025 12:53:00 AM3PAHOHomer, Homer Airport59.65-151.4833313.910.680.5130.01015.92    clear  METAR PAHO 060753Z AUTO 10SM CLR 14/11 A3000 RMK AO2 SLP158 T01390106 TSNO
41CAN_1red8/6/2025 12:00:00 AM56CYVRVancouver International Airport49.18333-123.1666718.016.088.1130.031016.936.030.0NNE light rainlight rain METAR CYVR 060700Z 03006KT 12SM -RA BKN047 OVC075 18/16 A3003 RMK SC5AC3 SLP172
52CAN_1red8/6/2025 12:00:00 AM56CYXXAbbotsford International Airport49.03333-122.3666718.016.088.1130.041017.195.050.0NE overcast  METAR CYXX 060700Z 05005KT 8SM BKN046 OVC084 18/16 A3004 RMK SC6AC2 SLP173 DENSITY ALT 400FT
63CAN_1red8/6/2025 12:00:00 AM56CYYJVictoria International Airport48.64171-123.4333116.014.087.9430.031016.923.090.0E overcast  METAR CYYJ 060700Z 09003KT 20SM BKN072 OVC100 16/14 A3003 RMK AC5AC3 SLP172
71CAN_2lightblue8/6/2025 12:00:00 AM56CWSKSquamish Airport, B. C49.78333-123.1666716.216.199.37 1017.70.00.0N   0.02METAR CWSK 060700Z AUTO 00000KT 16/16 RMK AO1 5PAST HR 7003 SLP177 P0002 T01620161 50005
82CAN_2lightblue8/6/2025 12:00:00 AM56CYQQComox, B. C.49.71667-124.917.015.088.0230.011016.2311.0150.0SSE19.0broken  METAR CYQQ 060700Z 15011G19KT 20SM SCT050 BKN100 17/15 A3001 RMK SC4AC3 DENSITY ALT 498FT SLP162
93CAN_2lightblue8/6/2025 12:00:00 AM56CYYJVictoria International Airport48.64171-123.4333116.014.087.9430.031016.923.090.0E overcast  METAR CYYJ 060700Z 09003KT 20SM BKN072 OVC100 16/14 A3003 RMK AC5AC3 SLP172
101NW_Cal_Interiorgrey8/6/2025 12:45:00 AM11KMFRRogue Valley International Airport42.37503-122.8769621.08.043.1930.111018.23.020.0NNE clear  METAR KMFR 060745Z AUTO 02003KT 10SM CLR 21/08 A3011
112NW_Cal_Interiorgrey8/6/2025 12:45:00 AM11KLMTKlamath Falls International Airport42.14703-121.7254813.06.966.9330.181018.70.00.0N clear  METAR KLMT 060745Z AUTO 00000KT 10SM CLR 13/07 A3018
123NW_Cal_Interiorgrey8/6/2025 12:45:00 AM11KRDDRedding Municipal Airport40.51461-122.2977023.011.046.7829.991015.010.00.0N clear  METAR KRDD 060745Z AUTO 00000KT 10SM CLR 23/11 A2999
131NW_CalCoastlightgrey8/6/2025 12:45:00 AM11KCECCrescent City, Jack McNamara Field Airport41.78028-124.2366715.014.093.7530.161021.333.0330.0NNW clear  METAR KCEC 060745Z AUTO 33003KT 10SM CLR 15/14 A3016
142NW_CalCoastlightgrey8/6/2025 12:45:00 AM11KRDDRedding Municipal Airport40.51461-122.2977023.011.046.7829.991015.010.00.0N clear  METAR KRDD 060745Z AUTO 00000KT 10SM CLR 23/11 A2999
153NW_CalCoastlightgrey8/6/2025 12:45:00 AM11KUKIUkiah Municipal Airport39.12783-123.2001117.07.955.4130.051017.353.0270.0W clear  METAR KUKI 060745Z AUTO 27003KT 10SM CLR 17/08 A3005
161NW_CalCoast2grey8/6/2025 12:45:00 AM11KUKIUkiah Municipal Airport39.12783-123.2001117.07.955.4130.051017.353.0270.0W clear  METAR KUKI 060745Z AUTO 27003KT 10SM CLR 17/08 A3005
172NW_CalCoast2grey8/6/2025 12:45:00 AM11KSMFSacramento International Airport38.70071-121.5947920.012.060.0329.981015.238.0150.0SSE clear  METAR KSMF 060745Z AUTO 15008KT 10SM CLR 20/12 A2998
183NW_CalCoast2grey8/6/2025 12:45:00 AM11KSFOSan Francisco, San Francisco International Airport37.61961-122.3655815.011.077.0130.051017.616.0300.0WNW thin scattered  METAR KSFO 060745Z AUTO 30006KT 10SM FEW008 15/11 A3005
191NW_OregCoastorange8/6/2025 12:46:00 AM10KASTAstoria, Astoria Regional Airport46.15694-123.8825016.715.693.2330.081018.629.0200.0SSW light rainlight rain0.001KAST 060746Z AUTO 20009KT 9SM -RA FEW011 SCT018 OVC075 17/16 A3008 RMK AO2 P0000 T01670156
202NW_OregCoastorange8/6/2025 12:45:00 AM11KSLESalem - McNary Field44.90493-123.0009619.012.063.8730.11019.180.00.0N broken  METAR KSLE 060745Z AUTO 00000KT 10SM BKN120 19/12 A3010
213NW_OregCoastorange8/6/2025 12:45:00 AM11KOTHSouthwest Oregon Regional Airport43.41948-124.2437017.015.088.0230.161021.333.0210.0SSW overcast  METAR KOTH 060745Z AUTO 21003KT 9SM OVC011 17/15 A3016
221OR_NewRosbGoldBbrown8/6/2025 12:35:00 AM21KONPNewport, Newport Municipal Airport44.58028-124.0580615.015.0100.030.151020.994.0180.0S light rainlight rain0.01METAR KONP 060735Z AUTO 18004KT 10SM -RA OVC008 15/15 A3015 RMK AO2 P0001
232OR_NewRosbGoldBbrown8/6/2025 12:45:00 AM11KRBGRoseburg Regional Airport43.23368-123.3577019.08.048.8730.131019.990.00.0N clear  METAR KRBG 060745Z AUTO 00000KT 10SM CLR 19/08 A3013
243OR_NewRosbGoldBbrown8/6/2025 12:35:00 AM21K4S1Gold Beach Municipal Airport42.41536-124.4249217.014.082.5230.151020.991.0200.0SSW hazehaze METAR K4S1 060735Z AUTO 20001KT 1 3/4SM HZ OVC014 17/14 A3015 RMK AO2 VIS 1V4
251OR_NW_AstPortEuggreen8/6/2025 12:46:00 AM10KASTAstoria, Astoria Regional Airport46.15694-123.8825016.715.693.2330.081018.629.0200.0SSW light rainlight rain0.001KAST 060746Z AUTO 20009KT 9SM -RA FEW011 SCT018 OVC075 17/16 A3008 RMK AO2 P0000 T01670156
262OR_NW_AstPortEuggreen8/6/2025 12:45:00 AM11KPDXPortland, Portland International Airport45.59578-122.6091721.011.052.8330.081018.615.0300.0WNW broken  METAR KPDX 060745Z AUTO 30005KT 10SM FEW090 BKN120 21/11 A3008
273OR_NW_AstPortEuggreen8/6/2025 12:45:00 AM11KEUGEugene, Mahlon Sweet Field44.13333-123.2144419.014.072.7830.121019.757.0180.0S thin scattered  METAR KEUG 060745Z AUTO 18007KT 10SM FEW075 19/14 A3012
281OR_NW_AstPortSalred8/6/2025 12:46:00 AM10KASTAstoria, Astoria Regional Airport46.15694-123.8825016.715.693.2330.081018.629.0200.0SSW light rainlight rain0.001KAST 060746Z AUTO 20009KT 9SM -RA FEW011 SCT018 OVC075 17/16 A3008 RMK AO2 P0000 T01670156
292OR_NW_AstPortSalred8/6/2025 12:45:00 AM11KPDXPortland, Portland International Airport45.59578-122.6091721.011.052.8330.081018.615.0300.0WNW broken  METAR KPDX 060745Z AUTO 30005KT 10SM FEW090 BKN120 21/11 A3008
303OR_NW_AstPortSalred8/6/2025 12:45:00 AM11KSLESalem - McNary Field44.90493-123.0009619.012.063.8730.11019.180.00.0N broken  METAR KSLE 060745Z AUTO 00000KT 10SM BKN120 19/12 A3010
311OR_NW_NewpEugNorthbyellow8/6/2025 12:35:00 AM21KONPNewport, Newport Municipal Airport44.58028-124.0580615.015.0100.030.151020.994.0180.0S light rainlight rain0.01METAR KONP 060735Z AUTO 18004KT 10SM -RA OVC008 15/15 A3015 RMK AO2 P0001
322OR_NW_NewpEugNorthbyellow8/6/2025 12:45:00 AM11KEUGEugene, Mahlon Sweet Field44.13333-123.2144419.014.072.7830.121019.757.0180.0S thin scattered  METAR KEUG 060745Z AUTO 18007KT 10SM FEW075 19/14 A3012
333OR_NW_NewpEugNorthbyellow8/6/2025 12:45:00 AM11KOTHSouthwest Oregon Regional Airport43.41948-124.2437017.015.088.0230.161021.333.0210.0SSW overcast  METAR KOTH 060745Z AUTO 21003KT 9SM OVC011 17/15 A3016
341SW_OreCoastmagenta8/6/2025 12:45:00 AM11KOTHSouthwest Oregon Regional Airport43.41948-124.2437017.015.088.0230.161021.333.0210.0SSW overcast  METAR KOTH 060745Z AUTO 21003KT 9SM OVC011 17/15 A3016
352SW_OreCoastmagenta8/6/2025 12:45:00 AM11KRBGRoseburg Regional Airport43.23368-123.3577019.08.048.8730.131019.990.00.0N clear  METAR KRBG 060745Z AUTO 00000KT 10SM CLR 19/08 A3013
363SW_OreCoastmagenta8/6/2025 12:45:00 AM11KCECCrescent City, Jack McNamara Field Airport41.78028-124.2366715.014.093.7530.161021.333.0330.0NNW clear  METAR KCEC 060745Z AUTO 33003KT 10SM CLR 15/14 A3016
371SW_OreCoast2white8/6/2025 12:35:00 AM21KONPNewport, Newport Municipal Airport44.58028-124.0580615.015.0100.030.151020.994.0180.0S light rainlight rain0.01METAR KONP 060735Z AUTO 18004KT 10SM -RA OVC008 15/15 A3015 RMK AO2 P0001
382SW_OreCoast2white8/6/2025 12:45:00 AM11KEUGEugene, Mahlon Sweet Field44.13333-123.2144419.014.072.7830.121019.757.0180.0S thin scattered  METAR KEUG 060745Z AUTO 18007KT 10SM FEW075 19/14 A3012
393SW_OreCoast2white8/6/2025 12:45:00 AM11KCECCrescent City, Jack McNamara Field Airport41.78028-124.2366715.014.093.7530.161021.333.0330.0NNW clear  METAR KCEC 060745Z AUTO 33003KT 10SM CLR 15/14 A3016
401WA_NW_QuilSeaPortblue8/6/2025 12:45:00 AM11KUILQuillayute, Quillayute State Airport47.93750-124.5550016.015.093.830.021016.555.0140.0SE light rain,mistlight rain,mist0.06METAR KUIL 060745Z AUTO 14005KT 2 1/2SM -RA BR OVC006 16/15 A3002 RMK P0006
412WA_NW_QuilSeaPortblue8/6/2025 12:45:00 AM11KSEASeattle, Seattle-Tacoma International Airport47.44472-122.3136118.013.072.630.081018.414.0230.0SW overcast  METAR KSEA 060745Z AUTO 23004KT 10SM SCT060 OVC080 18/13 A3008
423WA_NW_QuilSeaPortblue8/6/2025 12:45:00 AM11KPDXPortland, Portland International Airport45.59578-122.6091721.011.052.8330.081018.615.0300.0WNW broken  METAR KPDX 060745Z AUTO 30005KT 10SM FEW090 BKN120 21/11 A3008
431WA_OR_HoqCePortNewPdarkblue8/6/2025 12:45:00 AM11KHQMHoquiam, Bowerman Airport46.97111-123.9217.016.093.8430.081018.626.0180.0S light rainlight rain0.02METAR KHQM 060745Z AUTO 18006KT 10SM -RA OVC007 17/16 A3008 RMK P0002
442WA_OR_HoqCePortNewPdarkblue8/6/2025 12:45:00 AM11KPDXPortland, Portland International Airport45.59578-122.6091721.011.052.8330.081018.615.0300.0WNW broken  METAR KPDX 060745Z AUTO 30005KT 10SM FEW090 BKN120 21/11 A3008
453WA_OR_HoqCePortNewPdarkblue8/6/2025 12:35:00 AM21KONPNewport, Newport Municipal Airport44.58028-124.0580615.015.0100.030.151020.994.0180.0S light rainlight rain0.01METAR KONP 060735Z AUTO 18004KT 10SM -RA OVC008 15/15 A3015 RMK AO2 P0001
461WA_QuilSeaAstlightblue8/6/2025 12:45:00 AM11KUILQuillayute, Quillayute State Airport47.93750-124.5550016.015.093.830.021016.555.0140.0SE light rain,mistlight rain,mist0.06METAR KUIL 060745Z AUTO 14005KT 2 1/2SM -RA BR OVC006 16/15 A3002 RMK P0006
472WA_QuilSeaAstlightblue8/6/2025 12:45:00 AM11KSEASeattle, Seattle-Tacoma International Airport47.44472-122.3136118.013.072.630.081018.414.0230.0SW overcast  METAR KSEA 060745Z AUTO 23004KT 10SM SCT060 OVC080 18/13 A3008
483WA_QuilSeaAstlightblue8/6/2025 12:46:00 AM10KASTAstoria, Astoria Regional Airport46.15694-123.8825016.715.693.2330.081018.629.0200.0SSW light rainlight rain0.001KAST 060746Z AUTO 20009KT 9SM -RA FEW011 SCT018 OVC075 17/16 A3008 RMK AO2 P0000 T01670156
RowDTMinOldSTIDNAMELATLONTemp_cDewPt_cRel_HumidityAltimeterSLPres_mbWind_mphDirectionWindCardinalWindGustWxSummaryWxConditionPrecip1HRMetar
18/6/2025 12:00:00 AM56CYDBBurwash Airport61.36667-139.0333314.05.958.5529.941012.393.0280.0W broken  METAR CYDB 060700Z AUTO 28003KT 9SM FEW081 BKN110 14/06 A2994 RMK SLP156 DENSITY ALT 3200FT
28/6/2025 12:53:00 AM3PANCAnchorage, Ted Stevens Anchorage International Airport61.17444-149.9961111.710.692.9729.971014.953.0150.0SSE thin scattered  METAR PANC 060753Z 15003KT 10SM FEW060 FEW100 12/11 A2997 RMK AO2 SLP150 T01170106
38/6/2025 12:53:00 AM3PACVCordova, Merle K (Mudhole) Smith Airport60.49167-145.4777812.810.686.4929.981015.250.00.0N clear  METAR PACV 060753Z 00000KT 10SM CLR 13/11 A2998 RMK AO2 SLP153 T01280106
48/6/2025 12:53:00 AM3PAHOHomer, Homer Airport59.65-151.4833313.910.680.5130.01015.92    clear  METAR PAHO 060753Z AUTO 10SM CLR 14/11 A3000 RMK AO2 SLP158 T01390106 TSNO
58/6/2025 12:53:00 AM3PAJNJuneau, Juneau International Airport58.35472-134.5761110.68.385.6829.931013.560.00.0N scattered  METAR PAJN 060753Z 00000KT 10SM FEW055 FEW100 SCT220 11/08 A2993 RMK AO2 SLP136 T01060083
68/6/2025 12:54:00 AM2PAPHPort Heiden, Port Heiden Airport56.95-158.6333315.014.093.7529.671004.745.0120.0ESE light rainlight rain0.03SPECI PAPH 060754Z AUTO 12005KT 10SM -RA BKN029 OVC110 15/14 A2967 RMK AO2 P0003 401720139
78/6/2025 12:00:00 AM56CWSKSquamish Airport, B. C49.78333-123.1666716.216.199.37 1017.70.00.0N   0.02METAR CWSK 060700Z AUTO 00000KT 16/16 RMK AO1 5PAST HR 7003 SLP177 P0002 T01620161 50005
88/6/2025 12:00:00 AM56CYQQComox, B. C.49.71667-124.917.015.088.0230.011016.2311.0150.0SSE19.0broken  METAR CYQQ 060700Z 15011G19KT 20SM SCT050 BKN100 17/15 A3001 RMK SC4AC3 DENSITY ALT 498FT SLP162
98/6/2025 12:00:00 AM56CYVRVancouver International Airport49.18333-123.1666718.016.088.1130.031016.936.030.0NNE light rainlight rain METAR CYVR 060700Z 03006KT 12SM -RA BKN047 OVC075 18/16 A3003 RMK SC5AC3 SLP172
108/6/2025 12:00:00 AM56CYXXAbbotsford International Airport49.03333-122.3666718.016.088.1130.041017.195.050.0NE overcast  METAR CYXX 060700Z 05005KT 8SM BKN046 OVC084 18/16 A3004 RMK SC6AC2 SLP173 DENSITY ALT 400FT
118/6/2025 12:00:00 AM56CYYJVictoria International Airport48.64171-123.4333116.014.087.9430.031016.923.090.0E overcast  METAR CYYJ 060700Z 09003KT 20SM BKN072 OVC100 16/14 A3003 RMK AC5AC3 SLP172
128/6/2025 12:45:00 AM11KOMKOmak Airport48.46116-119.5208623.05.031.1129.941012.178.0170.0S clear  METAR KOMK 060745Z AUTO 17008KT 10SM CLR 23/05 A2994
138/6/2025 12:45:00 AM11KCLMPort Angeles Fairchild International Airport48.12194-123.5066114.014.0100.030.041017.280.00.0N broken  METAR KCLM 060745Z AUTO 00000KT 10SM BKN110 14/14 A3004
148/6/2025 12:45:00 AM11KUILQuillayute, Quillayute State Airport47.93750-124.5550016.015.093.830.021016.555.0140.0SE light rain,mistlight rain,mist0.06METAR KUIL 060745Z AUTO 14005KT 2 1/2SM -RA BR OVC006 16/15 A3002 RMK P0006
158/6/2025 12:45:00 AM11KSFFSpokane, Felts Field47.68556-117.3202816.06.955.1530.021015.343.050.0NE clear  METAR KSFF 060745Z AUTO 05003KT 10SM CLR 16/07 A3002
168/6/2025 12:45:00 AM11KSEASeattle, Seattle-Tacoma International Airport47.44472-122.3136118.013.072.630.081018.414.0230.0SW overcast  METAR KSEA 060745Z AUTO 23004KT 10SM SCT060 OVC080 18/13 A3008
178/6/2025 12:45:00 AM11KOLMOlympia, Olympia Airport46.97333-122.9033317.014.082.5230.081018.564.0170.0S light rainlight rain METAR KOLM 060745Z AUTO 17004KT 10SM -RA OVC026 17/14 A3008
188/6/2025 12:45:00 AM11KHQMHoquiam, Bowerman Airport46.97111-123.9217.016.093.8430.081018.626.0180.0S light rainlight rain0.02METAR KHQM 060745Z AUTO 18006KT 10SM -RA OVC007 17/16 A3008 RMK P0002
198/6/2025 12:35:00 AM21KCLSChehalis-Centralia Airport46.67700-122.9827017.017.0100.030.091018.910.00.0N overcast  METAR KCLS 060735Z AUTO 00000KT 10SM FEW034 BKN065 OVC075 17/17 A3009 RMK AO2
208/6/2025 12:45:00 AM11KYKMYakima Air Terminal - McAllister Field46.56402-120.5348422.09.043.4830.01014.729.0340.0NNW clear  METAR KYKM 060745Z AUTO 34009KT 10SM CLR 22/09 A3000
218/6/2025 12:46:00 AM10KASTAstoria, Astoria Regional Airport46.15694-123.8825016.715.693.2330.081018.629.0200.0SSW light rainlight rain0.001KAST 060746Z AUTO 20009KT 9SM -RA FEW011 SCT018 OVC075 17/16 A3008 RMK AO2 P0000 T01670156
228/6/2025 12:45:00 AM11KPDXPortland, Portland International Airport45.59578-122.6091721.011.052.8330.081018.615.0300.0WNW broken  METAR KPDX 060745Z AUTO 30005KT 10SM FEW090 BKN120 21/11 A3008
238/6/2025 12:45:00 AM11KHIOPortland-Hillsboro Airport45.54765-122.9556819.012.063.8730.081018.514.0300.0WNW light rainlight rain METAR KHIO 060745Z AUTO 30004KT 10SM -RA BKN100 OVC120 19/12 A3008
248/6/2025 12:45:00 AM11AS436N7NKE Forest Grove45.54151-123.1319417.812.270.030.081018.541.74234.0SW1.74    
258/6/2025 12:35:00 AM21KTMKTillamook, Tillamook Airport45.41806-123.8144416.016.0100.030.121019.970.00.0N light rain,mistlight rain,mist METAR KTMK 060735Z AUTO 00000KT 5SM -RA BR OVC008 16/16 A3012 RMK AO2
268/6/2025 12:45:00 AM11KSLESalem - McNary Field44.90493-123.0009619.012.063.8730.11019.180.00.0N broken  METAR KSLE 060745Z AUTO 00000KT 10SM BKN120 19/12 A3010
278/6/2025 12:35:00 AM21KONPNewport, Newport Municipal Airport44.58028-124.0580615.015.0100.030.151020.994.0180.0S light rainlight rain0.01METAR KONP 060735Z AUTO 18004KT 10SM -RA OVC008 15/15 A3015 RMK AO2 P0001
288/6/2025 12:45:00 AM11KEUGEugene, Mahlon Sweet Field44.13333-123.2144419.014.072.7830.121019.757.0180.0S thin scattered  METAR KEUG 060745Z AUTO 18007KT 10SM FEW075 19/14 A3012
298/6/2025 12:45:00 AM11KOTHSouthwest Oregon Regional Airport43.41948-124.2437017.015.088.0230.161021.333.0210.0SSW overcast  METAR KOTH 060745Z AUTO 21003KT 9SM OVC011 17/15 A3016
308/6/2025 12:45:00 AM11KRBGRoseburg Regional Airport43.23368-123.3577019.08.048.8730.131019.990.00.0N clear  METAR KRBG 060745Z AUTO 00000KT 10SM CLR 19/08 A3013
318/6/2025 12:35:00 AM21K4S1Gold Beach Municipal Airport42.41536-124.4249217.014.082.5230.151020.991.0200.0SSW hazehaze METAR K4S1 060735Z AUTO 20001KT 1 3/4SM HZ OVC014 17/14 A3015 RMK AO2 VIS 1V4
328/6/2025 12:45:00 AM11KMFRRogue Valley International Airport42.37503-122.8769621.08.043.1930.111018.23.020.0NNE clear  METAR KMFR 060745Z AUTO 02003KT 10SM CLR 21/08 A3011
338/6/2025 12:45:00 AM11KLMTKlamath Falls International Airport42.14703-121.7254813.06.966.9330.181018.70.00.0N clear  METAR KLMT 060745Z AUTO 00000KT 10SM CLR 13/07 A3018
348/6/2025 12:45:00 AM11KCECCrescent City, Jack McNamara Field Airport41.78028-124.2366715.014.093.7530.161021.333.0330.0NNW clear  METAR KCEC 060745Z AUTO 33003KT 10SM CLR 15/14 A3016
358/6/2025 12:45:00 AM11KSIYMontague Siskiyou County Airport41.77375-122.4681716.05.951.4830.131018.157.0360.0N clear  METAR KSIY 060745Z AUTO 36007KT 10SM CLR 16/06 A3013
368/6/2025 12:45:00 AM11KACVArcata / Eureka, Arcata Airport40.97806-124.1086112.011.093.630.141020.720.00.0N clear  METAR KACV 060745Z AUTO 00000KT 10SM CLR 12/11 A3014
378/6/2025 12:45:00 AM11KRDDRedding Municipal Airport40.51461-122.2977023.011.046.7829.991015.010.00.0N clear  METAR KRDD 060745Z AUTO 00000KT 10SM CLR 23/11 A2999
388/6/2025 12:45:00 AM11KUKIUkiah Municipal Airport39.12783-123.2001117.07.955.4130.051017.353.0270.0W clear  METAR KUKI 060745Z AUTO 27003KT 10SM CLR 17/08 A3005
398/6/2025 12:45:00 AM11KMYVMarysville, Yuba County Airport39.09778-121.5697219.013.068.229.991015.540.00.0N clear  METAR KMYV 060745Z AUTO 00000KT 10SM CLR 19/13 A2999
408/6/2025 12:45:00 AM11KSMFSacramento International Airport38.70071-121.5947920.012.060.0329.981015.238.0150.0SSE clear  METAR KSMF 060745Z AUTO 15008KT 10SM CLR 20/12 A2998
418/6/2025 12:45:00 AM11KSFOSan Francisco, San Francisco International Airport37.61961-122.3655815.011.077.0130.051017.616.0300.0WNW thin scattered  METAR KSFO 060745Z AUTO 30006KT 10SM FEW008 15/11 A3005
428/6/2025 12:45:00 AM11KSJCSan Jose, San Jose International Airport37.35917-121.9241716.012.077.1730.051017.63.0340.0NNW clear  METAR KSJC 060745Z AUTO 34003KT 10SM CLR 16/12 A3005
GrpCentroid_LatCentroid_LonStation_ListUgVgScalarDirectionDirection_BearingFromLowToCentroidWindDirectionGeostrophicDirectionPlus60_groundWindValleyDirection_BearingToLowFromCentroidSpeed_KnotsSpeed_MPHCentriodPressureCentriodPressureGradientPG_Station12PG_Station13PG_Station23Distance12Distance13Distance23TriadAreaMinOld0pressure_gradient
ALASKA60.4387033333333-148.98574PANC,PACV,PAHO,4.83440643501449-0.3471043531024184.846851247031644.11184.11274.11244.114.119.4215250806983810.8421154285351015.37333333333-2.45584479099763E-06-1.17114544034851E-06-5.15845634406885E-06-1.93780525660655E-06256159.474019491188040.750042461345751.97776751423632653691.3144.5-7.58396366920866E-06
CAN_148.95279-122.988883333333CYVR,CYXX,CYYJ,1.065945222112833.722549377006873.87215871069348105.98105.98195.98165.98285.987.526874366442718.661786706298671017.013333333339.38307643902357E-08-4.29449090400116E-061.58063275360352E-073.02212117954041E-0660542.682662980963265.802743882589341.22226067071913532482.6016484-5.17958148482308E-06
CAN_249.38057-123.833326666667CWSK,CYQQ,CYYJ,-3.306054566429638.411834252656559.0381940834646968.5468.54158.54128.54248.5417.568843750617120.21789787306551016.953.77629297290916E-061.17897739538092E-056.07743297507608E-06-4.31046450474592E-06124684.324377996128343.661410801160075.5554860267839914976.3067784-1.220663388699E-05
NW_Cal_Interior41.67889-122.300046666667KMFR,KLMT,KRDD,-13.36465447622177.5774667062558515.36333267729429.5529.55119.5589.55209.5529.863929542068234.36685339914611017.303333333331.28123891047307E-05-5.09994022847181E-061.50248052139644E-051.96695515069188E-0598040.3647102791212315.564466363187599.6002604359195914506.8057716.5-1.8021463446306E-05
NW_CalCoast40.47424-123.244826666667KCEC,KRDD,KUKI,-1.27396549805228-19.28442965786119.326464118384893.78273.783.78333.7893.7837.56764074905243.23214064497971017.896666666671.14603728351824E-052.94312862225338E-051.29416631206448E-05-1.35812850915641E-05214737.471961424307533.889802079172295.91929069117893559612.114116.5-2.21934937411359E-05
NW_CalCoast238.4827166666667-122.386826666667KUKI,KSMF,KSFO,6.46342909724208-12.535444890053314.103662442310562.72242.72332.72302.7262.7227.415326499097931.54904666370211016.73-1.11312274824204E-061.44505597427318E-05-1.42304226737378E-06-1.72789366220745E-05146707.119844703182707.152107175137739.9577332479945983033.8533916.5-1.55621179529751E-05
NW_OregCoast44.8271166666667-123.709053333333KAST,KSLE,KOTH,9.78011085975685-10.410525216037414.283893156380246.79226.79316.79286.7946.7927.765666979210531.95221195723311019.71-8.29711188673955E-06-3.60948953461795E-06-8.86891383961466E-06-1.11670267550779E-05155146.59195688305561.65602774192531.1049355512575457842.75616-1.78933443328924E-05
OR_NewRosbGoldB43.4097733333333-123.946893333333KONP,KRBG,K4S1,-3.09231523553246-23.816290067363624.016204656204797.4277.47.4337.497.446.683767043643553.72280884365061020.6566666666706.25719139755694E-060-7.94604663020394E-06159816.111808637242411.707557911125848.745487969068698401.2591226.5-2.94116506460171E-05
OR_NW_AstPortEug45.29535-123.23537KAST,KPDX,KEUG,3.48999882461526-2.301341830128034.1804624163976133.4213.4303.4273.433.48.126168825405659.351443597736471018.99333333333-4.37230586299769E-068.57629607007054E-08-4.89366972063996E-06-6.73047941732978E-06116600.452203345230910.556802396169378.7216798719481640465.9265216-5.25192252212671E-06
OR_NW_AstPortSal45.55255-123.16421KAST,KPDX,KSLE,2.45553413465837-1.612463148137112.9376325996578733.29213.29303.29273.2933.295.710300936614066.571307867478681018.80333333333-3.16010513242118E-068.57629607007054E-08-3.60948953461795E-06-6.89475448583542E-06116600.452203345155146.5919568882671.54416752724733073224.6285116-3.706221663135E-06
OR_NW_NewpEugNorthb44.0443633333333-123.838733333333KONP,KEUG,KOTH,0.400980089314162-18.203001468377718.207417375613488.74268.74358.74328.7488.7435.392387906301540.72890022420461020.69-2.07435367000983E-061.48622130914702E-05-2.61824577591884E-06-1.379648211606E-0583433.0656119896129857.938902119114521.9474579534709436487.0872521.5-2.25583013772529E-05
SW_OreCoast42.8111466666667-123.946023333333KOTH,KRBG,KCEC,0.118386890071724-15.488401850581815.488854294002789.56269.56359.56329.5689.5630.107924044832434.64763772442651020.883333333335.12129559301445E-221.79753142825429E-050-7.57709898363432E-0674546.6799043045182175.789716508176848.6861388846528463550.6897416.5-1.87621905951201E-05
SW_OreCoast243.4979633333333-123.83639KONP,KEUG,KCEC,0.309113499485051-16.534559963478816.53744914856788.93268.93358.93328.9388.9332.146229373022436.99328149839561020.69-1.01590475345301E-061.48622130914702E-05-1.09142863393402E-06-5.75796050328244E-0683433.0656119896311518.306766865274402.71587470810833889994.053621.5-2.0333037411349E-05
WA_NW_QuilSeaPort46.9926666666667-123.15926KUIL,KSEA,KPDX,0.9759160014327895.568212178850185.6530875555352999.9499.94189.94159.94279.9410.988723085008712.64561767647911017.85666666667-6.03630048949383E-06-1.05450906586872E-05-6.8797759901633E-06-9.67475833472919E-07176385.396788192299428.353909399206723.50985974117797855673.629216.5-7.31310557849626E-06
WA_OR_HoqCePortNewP45.7157233333333-123.529076666667KHQM,KPDX,KONP,7.58502850735339-11.90838864181814.118866013315157.5237.5327.5297.557.527.44487987679331.5830561398251019.40666666667-7.78155589825752E-065.46384214766431E-08-8.9123319167446E-06-1.48575777606481E-05183021.392817412265923.668703049160187.61862405914371250966.30221.5-1.79489253018697E-05
WA_QuilSeaAst47.17972-123.583703333333KUIL,KSEA,KAST,5.389498164708095.487281788133577.69135566007542134.48134.48224.48194.48314.4814.950799305085217.20510113024911017.86-7.30074514444437E-06-1.05450906586872E-05-1.01306239164276E-05-1.12691741697436E-06176385.396788192204330.949117884186349.05880133315291714889.529516-1.00295029128998E-05
Group1Lat1Lon1Bearing1Group2Lat2Lon2Bearing2Intersection_LatitudeIntersection_LongitudeDistance_from_Station1_kmDistance_from_Station2_kmCentroid_Pres_Grp1Centroid_Pres_Grp2Pressure_at_Intersection_Grp1Pressure_at_Intersection_Grp2
CAN_249.38057-123.833326666667248.54WA_NW_QuilSeaPort46.9926666666667-123.15926279.9447.595080985371-129.94938695033492.077930501457516.0085916199411016.951017.856666666671010.94338485851014.08304135674
CAN_148.95279-122.988883333333285.98WA_QuilSeaAst47.17972-123.583703333333314.4849.732177819404-127.71866204014353.197020351624416.2405749195921017.013333333331017.861015.183920586231013.68531394138
CAN_249.38057-123.833326666667248.54WA_QuilSeaAst47.17972-123.583703333333314.4848.774182427848-126.088815103437177.479483129196257.1440633089191016.951017.861014.783572926991015.28097286801
CAN_148.95279-122.988883333333285.98CAN_249.38057-123.833326666667248.5449.2183635911946-124.458478916846110.96223266712548.76096384515081017.013333333331016.951016.43859540751016.35479276637
NW_Cal_Interior41.67889-122.300046666667209.55NW_CalCoast40.47424-123.24482666666793.7840.4718227590783-123.196929209373153.7575387673774.058285975849751017.303333333331017.896666666671014.532397468841017.80659912226
OR_NW_AstPortSal45.55255-123.1642133.29WA_OR_HoqCePortNewP45.7157233333333-123.52907666666757.546.1050773224046-122.63981354288773.619000852695381.24506248835931018.803333333331019.406666666671018.530484997551017.94840510892
OR_NW_AstPortEug45.29535-123.2353733.4WA_OR_HoqCePortNewP45.7157233333333-123.52907666666757.546.2352462683678-122.336087531253125.585080514334108.7353479925541018.993333333331019.406666666671018.333770220541017.45498402788
NW_OregCoast44.8271166666667-123.70905333333346.79WA_OR_HoqCePortNewP45.7157233333333-123.52907666666757.547.295374881936-119.729234624274411.533533408857339.5081704417511019.711019.406666666671012.346288782181013.31285987603
NW_CalCoast40.47424-123.24482666666793.78NW_CalCoast238.4827166666667-122.38682666666762.7240.0991495212349-118.09144238071438.808680508551410.7543935581971017.896666666671016.731008.157968962241010.33779167774
OR_NewRosbGoldB43.4097733333333-123.94689333333397.4SW_OreCoast42.8111466666667-123.94602333333389.5642.692196133004-118.033061612512486.744327161227482.6258632931541020.656666666671020.883333333331006.340712562271011.82821490009
NW_CalCoast238.4827166666667-122.38682666666762.72OR_NewRosbGoldB43.4097733333333-123.94689333333397.441.7828009658952-112.799371822256892.713495072921928.9999779957511016.731020.656666666671002.83748729146993.333243863698
NW_CalCoast238.4827166666667-122.38682666666762.72SW_OreCoast42.8111466666667-123.94602333333389.5642.1878588585088-111.3500273009031020.624195455691033.459198960311016.731020.883333333331000.846925884661001.49337487016
lat_grouplon_groupPresAvggroup_count
46-122.510182