North America - Pressure tendency (hPa last 3 hours)
Sunday 30 Aug 2015 19:00 BST

Stations: 2284 SLP tendency
Abbotsford Airport (58 m, British Columbia) - 1.9
Aberdeen Airport (397 m, South Dakota) - 1.2
Abilene Airport (546 m, Texas) - 0.4
Adak (5 m, Alaska) - 1.0
Agassiz (15 m, British Columbia) - 2.5
Akron- Canton Airport (377 m, Ohio) - 1.0
Albany Airport (89 m, New York) - 1.6
Albuquerque Airport (1618 m, New Mexico) - 0.6
Alert (65 m, Nunavut) - 0.1
Algonquin Provincial Park (410 m, Ontario) - 1.9
Allen Army Airfield (391 m, Alaska) - 1.0
Alpena (211 m, Michigan) - 1.3
Amqui (166 m, Quebec) - 0.4
Aniak Airport (26 m, Alaska) - 0.3
Apalachicola Airport (6 m, Florida) - 0.9
Arcata-Eureka Airport (18 m, California) - 1.5
Argentia (15 m, Newfoundland) - 0.9
Armstrong (243 m, Ontario) - 2.1
Arviat (10 m, Nunavut) - 0.9
Arviat (10 m, British Columbia) - 1.5
Asheville Regional Airport (661 m, North Carolina) - 1.4
Assiniboia Airport (726 m, Saskatchewan) - 3.9
Astoria Regional Airport (7 m, Oregon) - 2.3
Athens Ben Epps Airport (247 m, Georgia) - 0.4
Atikokan (389 m, Ontario) - 0.1
Atlanta Airport (315 m, Georgia) - 0.6
Atlantic City Airport (20 m, New Jersey) - 1.5
Augusta Regional Airport (45 m, Georgia) - 1.2
Austin (189 m, Texas) - 0.7
Austin Straubel Intl. Airport (209 m, Wisconsin) - 0.8
Baccaro (5 m, New Brunswick) - 0.7
Badger (103 m, Newfoundland) - 1.2
Baie-Comeau (130 m, Quebec) - 1.1
Baie-Comeau Airport (39 m, British Columbia) - 2.0
Baie-D'Urfé (39 m, Quebec) - 1.5
Baker Lake (51 m, Nunavut) - 0.3
Baker Lake Airport (18 m, Nunavut) - 0.3
Ballenas Island (13 m, British Columbia) - 1.6
Baltimore Airport (47 m, Maryland) - 1.3
Bancroft (331 m, Ontario) - 1.5
Banff (1397 m, Alberta) - 1.8
Barkley Regional Airport (126 m, Kentucky) - 0.4
Barrhead (648 m, Alberta) - 0.9
Barrie-Oro (289 m, Ontario) - 1.2
Bas Caraquet (5 m, New Brunswick) - 0.6
Beatrice Climate (297 m, Ontario) - 1.2
Beauceville (229 m, Quebec) - 0.8
Beaven Island (16 m, Nova Scotia) - 1.3
Beaverlodge (745 m, Alberta) - 0.3
Bella Bella (43 m, British Columbia) - 0.8
Berens River (222 m, Manitoba) - 1.2
Beresford Airport (59 m, New Brunswick) - 0.8
Bethel Airport (44 m, Alaska) - 0.4
Bettles Airport (196 m, Alaska) - 0.4
Big Trout Lake (222 m, Ontario) - 3.7
Big Trout Lake (222 m, Ontario) - 3.6
Billings Logan Intl. Airport (1088 m, Montana) - 1.1
Bishop Intl. Airport (233 m, Michigan) - 0.9
Bismarck Airport (505 m, North Dakota) - 1.3
Bisset (165 m, Manitoba) - 1.6
Blackcomb Base Sliding Center (937 m, British Columbia) - 1.6
Blackcombe Mtn Base (659 m, British Columbia) - 1.5
Blanc-Sablon Airport (32 m, Quebec) - 1.1
Blosser Airport (452 m, Kansas) - 0.1
Blue Grass Airport (301 m, Kentucky) - 1.0
Blue River (683 m, British Columbia) - 0.1
Boise Airport (872 m, Idaho) - 0.4
Bonavista (26 m, Newfoundland) - 1.1
Bonilla Island (17 m, British Columbia) - 2.1
Bouctouche (36 m, New Brunswick) - 0.9
Bow Valley (1298 m, Alberta) - 0.4
Bradley Intl. Airport (55 m, Connecticut) - 1.2
Brandon Airport (416 m, Manitoba) - 1.4
Bratt'S Lake (580 m, Saskatchewan) - 1.0
Brevoort Island Airport (376 m, Nunavut) - 0.7
Brier Island (16 m, Nova Scotia) - 1.1
Broadview AP (600 m, Saskatchewan) - 0.4
Brockville (121 m, Ontario) - 1.4
Brooks (747 m, Alberta) - 0.9
Broughton Island (584 m, Nunavut) - 0.7
Brownsville/South Padre (8 m, Texas) - 0.6
Buffalo Narrows Airport (440 m, Saskatchewan) - 1.0
Buffalo Niagara Intl. Airport (219 m, New York) - 0.7
Burlington Intl. Airport (104 m, Vermont) - 1.6
Burlington Piers (AUT) (77 m, Ontario) - 1.5
Burns Airport (1271 m, Oregon) - 0.8
Burns Lake Campbell Scientific (713 m, British Columbia) - 0.2
Burwash Landing Airport (807 m, Yukon) - 0.2
Buttonville Airport (198 m, Ontario) - 1.3
CFB Bagotville (159 m, Quebec) - 1.2
CFB Borden (224 m, Ontario) - 1.5
CFB Valcartier Airport (168 m, Quebec) - 1.2
Calgary Intl. Airport (1084 m, Alberta) - 0.9
Callaghan Valley (884 m, British Columbia) - 1.7
Cambridge Bay (19 m, Nunavut) - 0.4
Cambridge Bay Airport (23 m, Nunavut) - 0.4
Cameron Falls (AUT) (233 m, Ontario) - 0.8
Cap D'Espoir (15 m, Quebec) - 1.3
Cap Tourmente National Wildlife Area (6 m, Quebec) - 1.1
Cap-Chat (5 m, Quebec) - 0.4
Cape Dorset Airport (50 m, Nunavut) - 0.9
Cape Dyer AP (725 m, Nunavut) - 1.4
Cape Hooper (393 m, Nunavut) - 0.7
Cape Kakkiviak (551 m, Newfoundland) - 0.3
Cape Kiglapait (834 m, Newfoundland) - 0.8
Cape Mercy (583 m, Nunavut) - 0.6
Cape Parry AP (14 m, Northwest Territories) - 1.6
Cape Peel West (165 m, Northwest Territories) - 0.6
Cape Race (27 m, Newfoundland) - 0.7
Cape St James CS (92 m, British Columbia) - 2.0
Cape Stallworthy (72 m, Alberta) - 0.2
Capital Region Intl. Airport (266 m, Michigan) - 0.5
Caribou Airport (191 m, Maine) - 1.0
Caribou Point (AUT) (2 m, Nova Scotia) - 1.4
Carmacks (543 m, Yukon) - 0.5
Cartwright Airport (15 m, Newfoundland) - 1.6
Casper (1612 m, Wyoming) - 0.2
Castlegar Airport (495 m, British Columbia) - 1.1
Cathedral Point (31 m, British Columbia) - 0.4
Center for Earth Resources Observations (482 m, South Dakota) - 0.6
Chapleau Airport (447 m, Ontario) - 1.2
Charleston Intl. Airport (15 m, South Carolina) - 0.0
Charlevoix (Mrc) (719 m, Quebec) - 0.5
Charlo Airport (42 m, New Brunswick) - 1.5
Charlotte Douglas Intl. Airport (234 m, North Carolina) - 0.8
Charlottetown Airport (79 m, Prince Edward Island) - 1.0
Chatham-Kent (178 m, Ontario) - 0.7
Chattanooga Metropolitan Airport (210 m, Tennessee) - 0.9
Chevery (8 m, Quebec) - 1.3
Cheyenne Regional Airport (1872 m, Wyoming) - 0.7
Chicoutimi (163 m, Quebec) - 1.2
Churchill Airport (29 m, Manitoba) - 1.1
Claresholm (1012 m, Alberta) - 1.3
Clayton Municipal Airpark (1515 m, New Mexico) - 0.6
Cleveland Hopkins Intl. Airport (245 m, Ohio) - 1.3
Clinton (1057 m, British Columbia) - 0.7
Clyde AP (27 m, Nunavut) - 0.6
Cobourg (78 m, Ontario) - 0.9
Cold Bay Airport (31 m, Alaska) - 1.2

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2015