North America - Pressure tendency (hPa last 3 hours)
Tuesday 15 May 2018 08:00 CEST

Stations: 2537 SLP tendency
Geraldton AP (349 m, Ontario) + 4.8
Katatota Island (AUT) (261 m, Ontario) + 4.5
Cameron Falls (AUT) (233 m, Ontario) + 4.3
Pueblo Memorial Airport (1439 m, Colorado) + 3.9
Nagagami (AUT) (264 m, Ontario) + 3.9
Goodland Airport (1124 m, Kansas) + 3.8
Moosonee (9 m, Ontario) + 3.5
Moosonee (9 m, Ontario) + 3.5
Redding Airport (153 m, California) + 3.1
Welcome Island (AUT) (209 m, Ontario) + 3.0
Red Bluff Airport (108 m, California) + 2.9
Armstrong Airport (323 m, Ontario) + 2.9
South Bend Intl. Airport (236 m, Indiana) + 2.9
Sioux Lookout Airport (390 m, Ontario) + 2.9
Wichita Dwight D. Eisenhower National A (409 m, Kansas) + 2.9
Upsala (489 m, Ontario) + 2.9
Thunder Bay (199 m, Ontario) + 2.8
Lindburg Landing (183 m, Northwest Territories) + 2.8
Fort Nelson Airport (389 m, British Columbia) + 2.7
Philip Billard Airport (269 m, Kansas) + 2.6
Clearwater (438 m, British Columbia) + 2.5
Tucson Intl. Airport (779 m, Arizona) + 2.4
Rouyn-Noranda (318 m, Quebec) + 2.3
McNary Field Airport (61 m, Oregon) + 2.3
Medford Airport (397 m, Oregon) + 2.3
Ear Falls (355 m, Ontario) + 2.3
Yohin (204 m, Northwest Territories) + 2.2
Eugene Airport (114 m, Oregon) + 2.2
Atikokan (389 m, Ontario) + 2.1
Phoenix Sky Harbor Intl. Airport (337 m, Arizona) + 2.1
Aberdeen Airport (397 m, South Dakota) + 2.0
Quesnal (545 m, British Columbia) + 2.0
Doaktown (57 m, Yukon) + 2.0
Kirkland Lake (324 m, Ontario) + 2.0
Burwash Landing Airport (807 m, Yukon) + 2.0
Bismarck Airport (505 m, North Dakota) + 2.0
Duluth Airport (432 m, Minnesota) + 2.0
Portland Airport (12 m, Oregon) + 1.9
Denver Intl. Airport (1656 m, Colorado) + 1.9
Clayton Municipal Airpark (1515 m, New Mexico) + 1.9
Hector Intl. Airport (274 m, North Dakota) + 1.9
Central Nebraska Regional Airport (566 m, Nebraska) + 1.9
Chamouchouane (304 m, Quebec) + 1.9
Olympia Regional Airport (61 m, Washington) + 1.9
Deadman Valley (283 m, Northwest Territories) + 1.8
Haines Junction (595 m, Yukon) + 1.8
Revelstoke Airport (443 m, British Columbia) + 1.8
Tulsa Airport (195 m, Oklahoma) + 1.8
Will Rogers World Airport (398 m, Oklahoma) + 1.7
Fanny Island (8 m, British Columbia) + 1.7
Blue River (683 m, British Columbia) + 1.7
Green Bay (209 m, Wisconsin) + 1.7
Pukaskwa (AUT) (208 m, Ontario) + 1.7
Meadows Field Airport (150 m, California) + 1.7
Falls Intl. Airport (362 m, Minnesota) + 1.7
La Grande Rivière Airport (195 m, Quebec) + 1.6
Brownsville/South Padre (8 m, Texas) + 1.6
Hope Aerodrome (39 m, British Columbia) + 1.6
Cartwright Airport (15 m, Newfoundland) + 1.6
Lillooet (235 m, British Columbia) + 1.6
Kamloops (345 m, British Columbia) + 1.6
Roswell Airport (1118 m, New Mexico) + 1.6
Summerland (454 m, British Columbia) + 1.6
Dease Lake (816 m, British Columbia) + 1.6
Fort Simpson Airport (169 m, Northwest Territories) + 1.6
Dryden Airport (413 m, Ontario) + 1.5
Middleton Island Airport (14 m, Alaska) + 1.5
Fresno Yosemite Intl. Airport (100 m, California) + 1.5
Armstrong (243 m, Ontario) + 1.5
Heath Point (7 m, Quebec) + 1.5
Fort Simpson Climate (168 m, Northwest Territories) + 1.5
Dease Lake Airport (803 m, British Columbia) + 1.5
Midland Airport (874 m, Texas) + 1.5
Hope (39 m, British Columbia) + 1.5
Kelowna Intl. Airport (456 m, British Columbia) + 1.5
Penticton Airport (344 m, British Columbia) + 1.5
Western Nebraska Regional Airport (1206 m, Nebraska) + 1.5
Miller Field Airport (792 m, Nebraska) + 1.5
Carmacks (543 m, Yukon) + 1.5
Pickle Lake (391 m, Ontario) + 1.5
Kamloops Airport (345 m, British Columbia) + 1.5
Corpus Christi Intl. Airport (15 m, Texas) + 1.5
Ferolle Point (AUT) (6 m, Newfoundland) + 1.4
Eastern Sierra Regional Airport (1263 m, California) + 1.4
Adak (5 m, Alaska) + 1.4
Bas Caraquet (5 m, New Brunswick) + 1.4
Flagstaff/Belemont (2181 m, Arizona) + 1.4
Albuquerque Airport (1618 m, New Mexico) + 1.4
Stockton Metropolitan Airport (8 m, California) + 1.4
Nakusp (512 m, British Columbia) + 1.4
Princeton (700 m, British Columbia) + 1.4
Fort Liard (213 m, Northwest Territories) + 1.4
Squamish Airport (52 m, British Columbia) + 1.3
Vernon (482 m, British Columbia) + 1.3
Yakutat Airport (13 m, Alaska) + 1.3
Natashquan Airport (11 m, Quebec) + 1.3
Dodge City Regional Airport (790 m, Kansas) + 1.3
The Forks, Winnipeg (230 m, Manitoba) + 1.3
Williams Lake Airport (942 m, British Columbia) + 1.3
Long Beach Airport (12 m, California) + 1.3
Kahului Airport (20 m, Hawaii) + 1.3
Prince George Airport (691 m, British Columbia) + 1.3
Fort Smith Regional Airport (141 m, Arkansas) + 1.3
Ashcroft (327 m, British Columbia) + 1.3
Blosser Airport (452 m, Kansas) + 1.3
San Francisco Intl. Airport (5 m, California) + 1.3
Santa Maria Public Airport (73 m, California) + 1.3
Mayo Airport (504 m, Yukon) + 1.2
Norman Wells (78 m, Northwest Territories) + 1.2
Mercury/Desert Rock (1006 m, Nevada) + 1.2
Goose (49 m, Newfoundland) + 1.2
Havre-Saint-Pierre (37 m, Quebec) + 1.2
Victoria Regional Airport (36 m, Texas) + 1.2
Natashquan Airport (9 m, Quebec) + 1.2
Talkeetna Airport (109 m, Alaska) + 1.2
Shingle Point AP (49 m, Yukon) + 1.2
Des Moines Intl. Airport (294 m, Iowa) + 1.2
Miramichi AP (31 m, New Brunswick) + 1.2
San Luis Valley Regional Airport (2299 m, Colorado) + 1.2
Quad Cities Intl. Airport (181 m, Illinois) + 1.1
Port Alberni (76 m, British Columbia) + 1.1
Norman Wells Climat (93 m, Northwest Territories) + 1.1
Daniel's Harbour Airport (18 m, Newfoundland) + 1.1
Page Airport (1304 m, Arizona) + 1.1
Inuvik Climate (103 m, Northwest Territories) + 1.1
Lytton (225 m, British Columbia) + 1.1
Délı̨nę (213 m, Northwest Territories) + 1.1
Lake Charles Airport (5 m, Louisiana) + 1.1
Salmon Arm (351 m, British Columbia) + 1.1
Craig (1915 m, Colorado) + 1.1
Lytton (225 m, British Columbia) + 1.1
Morden (298 m, Manitoba) + 1.1
Pocatello Regional Airport (1365 m, Idaho) + 1.1
Terrace Airport (217 m, British Columbia) + 1.1
Smithers (517 m, British Columbia) + 1.1
Smithers Airport (523 m, British Columbia) + 1.1
Jack Brooks Regional Airport (7 m, Texas) + 1.1
Dawson Y. T. AP (370 m, Yukon) + 1.1
Norfolk Regional Airport (473 m, Nebraska) + 1.1
High Level Airport (338 m, Alberta) + 1.0
Moncton Airport (71 m, New Brunswick) + 1.0
Hopedale (8 m, Newfoundland) + 1.0
El Paso Intl. Airport (1194 m, Texas) + 1.0
Lubbock Preston Smith Intl. Airport (988 m, Texas) + 1.0
Junction Airport (522 m, Texas) + 1.0
Fort Providence (162 m, Northwest Territories) + 1.0
Daniel K. Inouye Intl. Airport (5 m, Hawaii) + 1.0
Truth or Consequences Airport (1481 m, New Mexico) + 1.0
Portage Southport A (270 m, Manitoba) + 1.0
Sprague (329 m, Manitoba) + 1.0
Port-Menier (55 m, Quebec) + 1.0
Gretna (253 m, Manitoba) + 1.0
Rawson Lake (305 m, Ontario) + 1.0
Muskrat Dam Airport (278 m, Ontario) + 1.0
Big Trout Lake (222 m, Ontario) + 1.0
Dawson Creek Airport (655 m, British Columbia) + 1.0
Sioux Gateway Airport (336 m, Iowa) + 1.0
Waterloo Regional Airport (268 m, Iowa) + 1.0
Warfield (567 m, British Columbia) + 1.0
Center for Earth Resources Observations (482 m, South Dakota) + 1.0
Sparwood (1138 m, British Columbia) + 1.0
Lincoln Airport (362 m, Nebraska) + 1.0
Old Crow (251 m, Yukon) + 1.0
Riverton Airport (1684 m, Wyoming) + 1.0
Deerwood Rcs (341 m, Manitoba) + 1.0
Val-d'Or (345 m, Quebec) + 1.0
Gulkana Airport (481 m, Alaska) + 1.0
Cap D'Espoir (15 m, Quebec) + 1.0
Harry Reid Intl. Airport (664 m, Nevada) + 1.0
Los Angeles Intl. Airport (30 m, California) + 1.0
Erik Nielsen Whitehorse Intl. Airport (706 m, Yukon) + 1.0
Michel-Pouliot Gaspé Airport (35 m, Quebec) + 1.0
Cathedral Point (31 m, British Columbia) + 0.9
Yakima Airport (325 m, Washington) + 0.9
Rochester Intl. Airport (402 m, Minnesota) + 0.9
Rock River (731 m, Yukon) + 0.9
Ivvavik National Park (244 m, Yukon) + 0.9
Trail Valley (85 m, Northwest Territories) + 0.9
Lac Benoit (549 m, Quebec) + 0.9
Shreveport Regional Airport (84 m, Louisiana) + 0.9
Ted Stevens Anchorage Intl. Airport (42 m, Alaska) + 0.9
Grand Junction Regional Airport (1472 m, Colorado) + 0.9
Fort Vermilion (289 m, Alberta) + 0.9
Peawanuck (AUT) (52 m, Ontario) + 0.9
Reno (1341 m, Nevada) + 0.9
Clinton (1057 m, British Columbia) + 0.9
Nelson (535 m, British Columbia) + 0.9
Burns Lake Campbell Scientific (713 m, British Columbia) + 0.9
Tatlayoko Lake RCS (875 m, British Columbia) + 0.9
Osoyoos (283 m, British Columbia) + 0.9
Creston Campbell Scientific (646 m, British Columbia) + 0.9
Big Trout Lake (222 m, Ontario) + 0.9
Taloyoak Airport (28 m, Nunavut) + 0.9
Emerson (242 m, Manitoba) + 0.9
Miscou (5 m, New Brunswick) + 0.9
San Diego Intl. Airport (9 m, California) + 0.8
Englee (30 m, Newfoundland) + 0.8
Pelly (17 m, Northwest Territories) + 0.8
Winslow- Lindbergh Regional Airport (1488 m, Arizona) + 0.8
Missoula Montana Airport (972 m, Montana) + 0.8
Edson (925 m, Alberta) + 0.8
Gjoa Haven Airport (46 m, Nunavut) + 0.8
Seattle (137 m, Washington) + 0.8
George Bush Intercontinental Airport (33 m, Texas) + 0.8
Fort Good Hope (82 m, Northwest Territories) + 0.8
Kuujjuarapik Airport (24 m, Quebec) + 0.8
Mary’s Harbour (11 m, Newfoundland) + 0.8
Colville Lake (259 m, Northwest Territories) + 0.8
Blackcombe Mtn Base (659 m, British Columbia) + 0.8
Kapuskasing (218 m, Ontario) + 0.8
Sandy Lake (289 m, Ontario) + 0.8
Ingonish Beach CS (8 m, Nova Scotia) + 0.8
Kenora Airport (406 m, Ontario) + 0.8
Doaktown (43 m, New Brunswick) + 0.8
Springfield- Branson National Airport (390 m, Missouri) + 0.8
McGrath Airport (103 m, Alaska) + 0.8
Teslin (705 m, Yukon) + 0.8
Kapuskasing (227 m, Ontario) + 0.8
King Salmon Airport (14 m, Alaska) + 0.8
Cypress River (374 m, Manitoba) + 0.8
Sanirajak (8 m, Nunavut) + 0.8
Sioux Falls Regional Airport (435 m, South Dakota) + 0.8
Puntzi Mountain (910 m, British Columbia) + 0.8
Sandberg Airport (1379 m, California) + 0.8
Kansas City Intl. Airport (313 m, Missouri) + 0.8
Quillayute Airport (55 m, Washington) + 0.7
Dillingham Airport (29 m, Alaska) + 0.7
Columbia Regional Airport (274 m, Missouri) + 0.7
Lewiston Airport (438 m, Idaho) + 0.7
Blanc-Sablon Airport (32 m, Quebec) + 0.7
Parent (445 m, Quebec) + 0.7
Oak Point Marine (250 m, Manitoba) + 0.7
Sanikiluaq (146 m, Quebec) + 0.7
Minneapolis (255 m, Minnesota) + 0.7
Fairbanks Intl. Airport (135 m, Alaska) + 0.7
Fort St. John AP (695 m, British Columbia) + 0.7
Flagstaff Airport (2131 m, Arizona) + 0.7
North Platte Regional Airport (849 m, Nebraska) + 0.7
Huron Airport (393 m, South Dakota) + 0.7
Red Deer Regional Airport (904 m, Alberta) + 0.7
Miramichi (33 m, New Brunswick) + 0.7
Gamèti (223 m, Northwest Territories) + 0.7
Rapid City Airport (965 m, South Dakota) + 0.7
Edson (927 m, Alberta) + 0.7
Burns Airport (1271 m, Oregon) + 0.7
Kingman Airport (1033 m, Arizona) + 0.7
Juneau Intl. Airport (7 m, Alaska) + 0.7
Peace River Airport (580 m, Alberta) + 0.6
Jackson (91 m, Mississippi) + 0.6
Mackenzie (690 m, British Columbia) + 0.6
Agassiz (15 m, British Columbia) + 0.6
Woodstock (218 m, New Brunswick) + 0.6
Beauceville (229 m, Quebec) + 0.6
Jasper Warden (1020 m, Alberta) + 0.6
Ely Airport (1909 m, Nevada) + 0.6
La Grande-4 Airport (306 m, Quebec) + 0.6
Hart Island (AUT) (8 m, Nova Scotia) + 0.6
Rocky Mountain House Airport (988 m, Alberta) + 0.6
Magdalen Islands (8 m, Quebec) + 0.6
Nappan (20 m, Nova Scotia) + 0.6
Concord Airport (105 m, New Hampshire) + 0.6
Iliamna Airport (49 m, Alaska) + 0.6
Mount Washington Airport (1910 m, New Hampshire) + 0.6
Ft Severn (15 m, Ontario) + 0.6
Fort Yukon Airport (135 m, Alaska) + 0.6
Port Hardy Airport (22 m, British Columbia) + 0.6
Shepherd Bay AP (45 m, Nunavut) + 0.6
Mackenzie Airport (695 m, British Columbia) + 0.6
Pilot Mound (475 m, Manitoba) + 0.6
Atlanta Airport (315 m, Georgia) + 0.6
Memphis Airport (87 m, Tennessee) + 0.6
Omaha/Eppley Field AP (299 m, Nebraska) + 0.5
Eareckson Air Station (31 m, Alaska) + 0.5
Sherbrooke Airport (242 m, Quebec) + 0.5
Rowley Island (41 m, Nunavut) + 0.5
Dubuque Regional Airport (329 m, Iowa) + 0.5
Sandspit Airport (6 m, British Columbia) + 0.5
Cranbrook Airport (939 m, British Columbia) + 0.5
Komakuk Beach (13 m, Yukon) + 0.5
Abbotsford Airport (58 m, British Columbia) + 0.5
Debert (39 m, Nova Scotia) + 0.5
Bella Bella (43 m, British Columbia) + 0.5
Astoria Regional Airport (7 m, Oregon) + 0.5
Longue Pointe De Mingan (11 m, Quebec) + 0.5
Matagami Airport (280 m, Quebec) + 0.5
Stefansson Is (11 m, Nunavut) + 0.5
Banff (1397 m, Alberta) + 0.5
Fredericton (35 m, New Brunswick) + 0.5
Kugaaruk Airport (325 m, Nunavut) + 0.5
Pinawa (268 m, Manitoba) + 0.5
Tuktoyaktuk (5 m, Northwest Territories) + 0.5
Sundre A (1114 m, Alberta) + 0.5
St. Peters (30 m, Prince Edward Island) + 0.4
Rick Husband Amarillo Intl. Airport (1094 m, Texas) + 0.4
North Point (8 m, Prince Edward Island) + 0.4
Greenville- Spartanburg Intl. Airport (296 m, South Carolina) + 0.4
Kugluktuk Airport (23 m, Nunavut) + 0.4
Richard B. Russell Airport (196 m, Georgia) + 0.4
Roanoke Airport (358 m, Virginia) + 0.4
Bethel Airport (44 m, Alaska) + 0.4
Sloulin Field Intl. Airport (581 m, North Dakota) + 0.4
Bettles Airport (196 m, Alaska) + 0.4
Clyde AP (27 m, Nunavut) + 0.4
Casper (1612 m, Wyoming) + 0.4
Athens (247 m, Georgia) + 0.4
Yoho National Park (1615 m, British Columbia) + 0.4
Beartooth Island (238 m, Nunavut) + 0.4
Estevan Point lighthouse (7 m, British Columbia) + 0.4
Beaverlodge (745 m, Alberta) + 0.4
Sandspit (6 m, British Columbia) + 0.4
Fredericton Intl. Airport (31 m, New Brunswick) + 0.4
Qualicum AP (58 m, British Columbia) + 0.4
Cranbrook Airport (930 m, British Columbia) + 0.4
Fisher Branch (253 m, Manitoba) + 0.4
Lihue Airport (32 m, Hawaii) + 0.4
Tracadie (67 m, Nova Scotia) + 0.4
Rockford Airport (226 m, Illinois) + 0.4
Dallas Fort Worth Intl. Airport (182 m, Texas) + 0.4
Boise Airport (872 m, Idaho) + 0.4
Nordegg (1332 m, Alberta) + 0.4
Grande Prairie Airport (669 m, Alberta) + 0.4
Charlottetown Airport (79 m, Prince Edward Island) + 0.4
Victoria (IAP) (19 m, British Columbia) + 0.3
Sheridan Airport (1209 m, Wyoming) + 0.3
Chevery (8 m, Quebec) + 0.3
Slave Lake (583 m, Alberta) + 0.3
Aniak Airport (26 m, Alaska) + 0.3
Slave Lake (583 m, Alberta) + 0.3
Comox (26 m, British Columbia) + 0.3
Nome Airport (6 m, Alaska) + 0.3
Kodiak Airport (34 m, Alaska) + 0.3
Cambridge Bay (19 m, Nunavut) + 0.3
Eastern Oregon Regional Airport (456 m, Oregon) + 0.3
Great Falls (1131 m, Montana) + 0.3
New Carlisle (46 m, Quebec) + 0.3
Ralph Wien Memorial Airport (5 m, Alaska) + 0.3
Gimli (230 m, Manitoba) + 0.3
Cambridge Bay Airport (23 m, Nunavut) + 0.3
Lethbridge (910 m, Alberta) + 0.3
Port Hawkesbury Airport (114 m, Nova Scotia) + 0.3
Sydney Rcs (63 m, Nova Scotia) + 0.3
Saturna Island (24 m, British Columbia) + 0.3
East Point (8 m, Prince Edward Island) + 0.3
Wager Bay (18 m, Nunavut) + 0.3
St Paul Isl (26 m, Nova Scotia) + 0.3
Winnemucca Airport (1322 m, Nevada) + 0.3
Helena Regional Airport (1188 m, Montana) + 0.3
Bradley Intl. Airport (55 m, Connecticut) + 0.3
Billings Logan Intl. Airport (1088 m, Montana) + 0.3
Melita (446 m, Manitoba) + 0.3
Gagetown Awos A (51 m, New Brunswick) + 0.3
Cape Peel West (165 m, Northwest Territories) + 0.3
Qikiqtarjuaq (6 m, Nunavut) + 0.3
Arcata (18 m, California) + 0.3
Cheyenne Regional Airport (1872 m, Wyoming) + 0.3
Piedmont Triad Intl. Airport (277 m, North Carolina) + 0.2
White Rock Campbell Scientific (13 m, British Columbia) + 0.2
Broughton Island (584 m, Nunavut) + 0.2
Callaghan Valley (884 m, British Columbia) + 0.2
Thetford Mines Rcs (430 m, Quebec) + 0.2
Ootsa Lakeskins Lak (861 m, British Columbia) + 0.2
Pitt Meadows Campbell Scientific (5 m, British Columbia) + 0.2
Inukjuak (25 m, Quebec) + 0.2
Victoria Gonzales (70 m, British Columbia) + 0.2
Willow Creek 1 (1402 m, Alberta) + 0.2
Island Lake Airport (235 m, Manitoba) + 0.2
Fort Ross (10 m, Nunavut) + 0.2
Mechanic Settlement (404 m, New Brunswick) + 0.2
Lac Eon (589 m, Quebec) + 0.2
Kouchibouguac Cs (34 m, New Brunswick) + 0.2
Dewar Lakes AP (488 m, Nunavut) + 0.2
Inukjuak Airport (26 m, Quebec) + 0.2
Carberry (384 m, Manitoba) + 0.2
Harrington Cda (53 m, Prince Edward Island) + 0.2
Allen Army Airfield (391 m, Alaska) + 0.2
Kinngait Airport (50 m, Nunavut) + 0.2
Upper Stewiacke Rcs (24 m, Nova Scotia) + 0.2
Lethbridge (929 m, Alberta) + 0.2
Halifax Airport (145 m, Nova Scotia) + 0.2
Eskasoni 3 (28 m, Nova Scotia) + 0.2
Lac La Martre (271 m, Northwest Territories) + 0.2
Violet Grove (903 m, Alberta) + 0.2
St Stephen (28 m, New Brunswick) + 0.2
Prince Patrick (2 m, Northwest Territories) + 0.2
Burlington Intl. Airport (104 m, Vermont) + 0.2
Hendrickson Creek (1448 m, Alberta) + 0.2
Bonnard 1 (498 m, Quebec) + 0.2
Lower Carp Lake (373 m, Northwest Territories) + 0.2
Calgary Intl. Airport (1084 m, Alberta) + 0.2
Paulatuk (6 m, Northwest Territories) + 0.2
Coral Harbour Airport (64 m, Nunavut) + 0.2
Waco Regional Airport (155 m, Texas) + 0.1
Cape Parry AP (14 m, Northwest Territories) + 0.1
Milk River (1050 m, Alberta) + 0.1
Peoria Airport (202 m, Illinois) + 0.1
Iqaluit (34 m, Nunavut) + 0.1
Cumshewa (17 m, British Columbia) + 0.1
Bow Valley (1298 m, Alberta) + 0.1
Burns Bog (84 m, British Columbia) + 0.1
Bishop Intl. Airport (233 m, Michigan) + 0.1

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2018