North America - Pressure tendency (hPa last 3 hours)
Wednesday 28 Sep 2016 07:00 BST

Stations: 2434 SLP tendency
Adak (5 m, Alaska) - 1.0
Nome Airport (6 m, Alaska) - 3.4
Cold Bay Airport (31 m, Alaska) - 1.2
Ralph Wien Memorial Airport (5 m, Alaska) - 2.4
Bethel Airport (44 m, Alaska) - 0.0
Aniak Airport (26 m, Alaska) - 0.3
Lihue Airport (32 m, Hawaii) - 1.3
Port Heiden Airport (29 m, Alaska) - 1.8
Dillingham Airport (29 m, Alaska) - 1.2
Daniel K. Inouye Intl. Airport (5 m, Hawaii) - 1.5
King Salmon Airport (14 m, Alaska) - 1.3
Kahului Airport (20 m, Hawaii) - 2.0
McGrath Airport (103 m, Alaska) - 0.8
Hilo Intl. Airport (10 m, Hawaii) - 1.5
Iliamna Airport (49 m, Alaska) - 1.7
Kodiak Airport (34 m, Alaska) - 2.2
Bettles Airport (196 m, Alaska) - 0.1
Talkeetna Airport (109 m, Alaska) - 1.8
Ted Stevens Anchorage Intl. Airport (42 m, Alaska) - 1.9
Fairbanks Intl. Airport (135 m, Alaska) - 0.9
Middleton Island Airport (14 m, Alaska) - 1.7
Allen Army Airfield (391 m, Alaska) - 1.4
Gulkana Airport (481 m, Alaska) - 1.6
Margaret Lake (568 m, Yukon) - 0.0
Ivvavik National Park (244 m, Yukon) - 0.4
Old Crow (251 m, Yukon) - 0.3
Yakutat Airport (13 m, Alaska) - 0.9
Dawson Y. T. AP (370 m, Yukon) - 1.4
Burwash Landing Airport (807 m, Yukon) - 1.6
Herschel Island (1 m, Yukon) - 0.4
Haines Junction (595 m, Yukon) - 1.8
Rock River (731 m, Yukon) - 0.4
Carmacks (543 m, Yukon) - 1.4
Mayo Airport (504 m, Yukon) - 1.3
Pelly (17 m, Northwest Territories) - 0.3
Whitehorse (707 m, California) - 1.2
Erik Nielsen Whitehorse Intl. Airport (706 m, Yukon) - 1.2
Juneau Intl. Airport (7 m, Alaska) - 0.5
Inuvik Climate (103 m, Northwest Territories) - 0.5
Trail Valley (85 m, Northwest Territories) - 0.2
Faro Airport (716 m, Yukon) - 1.2
Langara Island (41 m, British Columbia) - 0.3
Tuktoyaktuk (5 m, Northwest Territories) - 0.1
KindakunRocks (14 m, British Columbia) - 0.4
Teslin (705 m, Yukon) - 1.0
Sandspit Airport (6 m, British Columbia) - 0.4
Sandspit (6 m, British Columbia) - 0.5
Rose Spit (7 m, British Columbia) - 0.2
Cumshewa (17 m, British Columbia) - 0.4
Cape St James CS (92 m, British Columbia) - 0.6
Grey Islet (8 m, British Columbia) - 0.4
Prince Rupert (35 m, British Columbia) - 0.4
Holland Rock (5 m, British Columbia) - 0.2
Saint Albans (63 m, Northwest Territories) - 0.2
Macmillan Pass (1379 m, Yukon) - 0.8
Dease Lake Airport (803 m, British Columbia) - 1.0
Dease Lake (816 m, British Columbia) - 1.1
Sartine Isl (112 m, British Columbia) - 0.4
Watson Lake Airport (690 m, Yukon) - 1.6
Fort Good Hope (82 m, Northwest Territories) - 0.4
Terrace Airport (217 m, British Columbia) - 0.4
Bella Bella (43 m, British Columbia) - 0.4
Solander Island (99 m, British Columbia) - 0.2
Herbert Isl. (17 m, British Columbia) - 0.6
Cathedral Point (31 m, British Columbia) - 0.2
Port Hardy Airport (22 m, British Columbia) - 0.5
Smithers Airport (523 m, British Columbia) - 1.0
Smithers (517 m, British Columbia) - 1.0
Norman Wells (78 m, Northwest Territories) - 1.6
Estevan Point lighthouse (7 m, British Columbia) - 0.2
Colville Lake (259 m, Northwest Territories) - 0.9
Ootsa Lakeskins Lak (861 m, British Columbia) - 0.3
Fanny Island (8 m, British Columbia) - 0.1
Burns Lake Campbell Scientific (713 m, British Columbia) - 0.8
Sachs Harbour (88 m, Northwest Territories) - 1.2
Comox (26 m, British Columbia) - 0.1
Port Alberni (76 m, British Columbia) - 0.3
Quillayute Airport (55 m, Washington) - 0.3
Powell River (125 m, British Columbia) - 0.1
Deadman Valley (283 m, Northwest Territories) - 1.7
Sisters Island (20 m, British Columbia) - 0.3
Tatlayoko Lake RCS (875 m, British Columbia) - 0.5
Qualicum AP (58 m, British Columbia) - 0.1
Arcata (18 m, California) - 0.3
Ballenas Island (13 m, British Columbia) - 0.1
Puntzi Mountain (910 m, British Columbia) - 0.3
Paulatuk (6 m, Northwest Territories) - 0.7
Sheringham (21 m, British Columbia) - 0.4
Astoria Regional Airport (7 m, Oregon) - 0.2
Entrance Isl. (5 m, British Columbia) - 0.1
Yohin (204 m, Northwest Territories) - 1.6
North Cowichan (60 m, British Columbia) - 0.4
Sechelt (86 m, British Columbia) - 0.2
Malahat (366 m, British Columbia) - 0.5
Race Rocks Lightstation (4 m, British Columbia) - 0.4
Port Mellon (128 m, British Columbia) - 0.3
Fort Liard (213 m, Northwest Territories) - 1.3
Esquimalt (3 m, British Columbia) - 0.2
Victoria (IAP) (19 m, British Columbia) - 0.3
Délı̨nę (213 m, Northwest Territories) - 2.5
Victoria Gonzales (70 m, British Columbia) - 0.3
Victoria Uni. Campbell Scientific (49 m, British Columbia) - 0.4
PamRocks (5 m, British Columbia) - 0.3
Point Atkinson (14 m, British Columbia) - 0.2
Eugene Airport (114 m, Oregon) - 0.5
Discovery Island (15 m, California) - 0.1
Vancouver Sea Island Ccg (2 m, California) - 0.2
West Vancouver (178 m, British Columbia) - 0.2
Slave Lake (583 m, Alberta) - 2.1
Vancouver Airport (4 m, British Columbia) - 0.2
Squamish Airport (52 m, British Columbia) - 0.4
Mackenzie Airport (695 m, British Columbia) - 1.1
Saturna/capmon Cs (178 m, Quebec) - 0.3
Mackenzie (690 m, British Columbia) - 1.1
Callaghan Valley (884 m, British Columbia) - 0.2
Burns Bog (84 m, British Columbia) - 0.1
Saturna Island (24 m, British Columbia) - 0.1
McNary Field Airport (61 m, Oregon) - 0.5
Blackcombe Mtn Base (659 m, British Columbia) - 0.4
Blackcomb Base Sliding Center (937 m, British Columbia) - 0.2
Olympia Regional Airport (61 m, Washington) - 0.2
Medford Airport (397 m, Oregon) - 1.5
Lindburg Landing (183 m, Northwest Territories) - 2.0
White Rock Campbell Scientific (13 m, British Columbia) - 0.1
Pemberton Airport (204 m, British Columbia) - 1.2
Prince George Airport (691 m, British Columbia) - 0.6
Pitt Meadows Campbell Scientific (5 m, British Columbia) - 0.1
Prince George Airport (680 m, California) - 0.6
Portland Airport (12 m, Oregon) - 0.3
Fort Nelson Airport (389 m, British Columbia) - 1.8
Fort Nelson (380 m, British Columbia) - 1.8
Quesnal (545 m, British Columbia) - 0.8
Quesnel Airport Auto (545 m, California) - 0.7
San Francisco Intl. Airport (5 m, California) - 1.2
Abbotsford Airport (58 m, British Columbia) - 0.3
Tuktut Nogait (552 m, Northwest Territories) - 0.4
Redding Airport (153 m, California) - 1.6
Seattle (137 m, Washington) - 0.1
Red Bluff Airport (108 m, California) - 1.5
Williams Lake Airport (942 m, British Columbia) - 0.0
Lillooet (235 m, British Columbia) - 1.0
Agassiz (15 m, British Columbia) - 0.5
Lytton (225 m, British Columbia) - 1.0
Lytton (225 m, British Columbia) - 1.0
Clinton (1057 m, British Columbia) - 0.2
Hope Aerodrome (39 m, British Columbia) - 0.4
Hope (39 m, British Columbia) - 0.4
Stockton Metropolitan Airport (8 m, California) - 0.9
Fort Simpson Airport (169 m, Northwest Territories) - 2.2
Fort Simpson Climate (168 m, Northwest Territories) - 2.1
Fort St. John AP (695 m, British Columbia) - 1.6
Yakima Airport (325 m, Washington) - 1.1
Princeton (700 m, British Columbia) - 0.7
Kamloops (345 m, British Columbia) - 0.8
Kamloops Airport (345 m, British Columbia) - 0.8
Santa Maria Public Airport (73 m, California) - 1.0
Dawson Creek Airport (655 m, British Columbia) - 1.2
Clearwater (438 m, British Columbia) - 1.0
AulvikNationalPark (32 m, Northwest Territories) - 1.3
Reno (1341 m, Nevada) - 1.1
Fresno Yosemite Intl. Airport (100 m, California) - 1.0
Summerland (454 m, British Columbia) - 0.3
Penticton Airport (344 m, British Columbia) - 0.7
Thomsen River (42 m, Northwest Territories) - 1.5
Osoyoos (283 m, British Columbia) - 1.0
Kelowna Ubco (456 m, California) - 0.4
Beaverlodge (745 m, Alberta) - 1.2
Kelowna Intl. Airport (456 m, British Columbia) - 0.5
Prince Patrick (2 m, Northwest Territories) - 0.3
Vernon (482 m, British Columbia) - 0.4
Salmon Arm (351 m, British Columbia) - 0.6
Blue River (683 m, British Columbia) - 1.4
Spirit River (1015 m, Alberta) - 1.3
Croker Rvr (69 m, Northwest Territories) - 0.5
Meadows Field Airport (150 m, California) - 1.4
Burns Airport (1271 m, Oregon) - 0.6
Grande Prairie Airport (669 m, Alberta) - 1.1
Eastern Oregon Regional Airport (456 m, Oregon) - 0.4
Sandberg Airport (1379 m, California) - 0.7
Hendrickson Creek (1448 m, Alberta) - 1.0
Los Angeles Intl. Airport (30 m, California) - 0.6
Eastern Sierra Regional Airport (1263 m, California) - 1.3
Willow Creek 1 (1402 m, Alberta) - 1.2
Jasper Warden (1020 m, Alberta) - 1.7
Revelstoke Airport (443 m, British Columbia) - 1.1
Revelstoke Airport (445 m, California) - 1.0
Long Beach Airport (12 m, California) - 0.7
Nakusp (512 m, British Columbia) - 1.0
Holman CS (30 m, Northwest Territories) - 0.8
Winnemucca Airport (1322 m, Nevada) - 0.5
Warfield (567 m, British Columbia) - 1.0
Castlegar Airport (495 m, Nova Scotia) - 1.7
Fort Providence (162 m, Northwest Territories) - 2.9
Spokane Airport (721 m, Washington) - 0.6

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