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North America - Pressure tendency (hPa last 3 hours)
Friday 26 Aug 2016 22:00 BST

Stations: 723 SLP tendency
Abbotsford Airport (58 m, British Columbia) - 1.6
Agassiz (15 m, British Columbia) - 1.5
Albany Airport (89 m, New York) - 0.3
Albuquerque Airport (1618 m, New Mexico) - 2.2
Alert (65 m, Nunavut) - 1.5
Algonquin Provincial Park (410 m, Ontario) - 0.2
Alpena (211 m, Michigan) - 0.4
Amqui (166 m, Quebec) - 2.4
Arctic Bay CS (10 m, Northwest Territories) - 0.0
Argentia (15 m, Newfoundland) - 0.3
Armstrong (243 m, Ontario) - 2.2
Armstrong (243 m, Ontario) - 1.3
Armstrong Airport (323 m, Ontario) - 0.3
Arviat (10 m, Nunavut) - 0.2
Assiniboia Airport (726 m, Saskatchewan) - 0.4
Atikokan (389 m, Ontario) - 1.1
Austin Straubel Intl. Airport (209 m, Wisconsin) - 0.3
Baccaro (5 m, New Brunswick) - 0.6
Badger (103 m, Newfoundland) - 0.3
Baie Comeau Climate (28 m, Quebec) - 1.0
Baie-Comeau (130 m, Quebec) - 0.1
Baie-Comeau Airport (22 m, Quebec) - 1.0
Baie-D'Urfé (39 m, Quebec) - 0.4
Baker Lake (51 m, Nunavut) - 0.5
Baker Lake Airport (18 m, Nunavut) - 0.6
Ballenas Island (13 m, British Columbia) - 1.5
Bancroft (331 m, Ontario) - 0.2
Banff (1397 m, Alberta) - 2.3
Barrhead (648 m, Alberta) - 2.4
Barrie-Oro (289 m, Ontario) - 0.1
Bas Caraquet (5 m, New Brunswick) - 1.8
Bathurst Inlet (929 m, Northwest Territories) - 0.0
Beatrice Climate (297 m, Ontario) - 0.5
Beauceville (229 m, Quebec) - 1.5
Beaverlodge (745 m, Alberta) - 1.5
Bella Bella (43 m, British Columbia) - 0.6
Berens River (222 m, Manitoba) - 1.3
Beresford Airport (59 m, New Brunswick) - 0.9
Big Trout Lake (222 m, Ontario) - 0.2
Big Trout Lake (222 m, Ontario) - 0.1
Billings Logan Intl. Airport (1088 m, Montana) - 2.1
Bisset (165 m, Nunavut) - 0.5
Blackcomb Base Sliding Center (937 m, British Columbia) - 1.4
Blackcombe Mtn Base (659 m, British Columbia) - 2.0
Blanc-Sablon Airport (32 m, Quebec) - 0.7
Blue River (683 m, British Columbia) - 3.4
Bonavista (26 m, Newfoundland) - 1.3
Bonilla Island (17 m, British Columbia) - 1.5
Bonnard 1 (498 m, Quebec) - 3.2
Bouctouche (36 m, New Brunswick) - 1.3
Bow Valley (1298 m, Alberta) - 2.3
Brandon Airport (416 m, Manitoba) - 1.5
Bratt'S Lake (580 m, Saskatchewan) - 0.9
Broadview AP (600 m, Saskatchewan) - 1.7
Brockville (121 m, Ontario) - 0.4
Brooks (747 m, Alberta) - 2.0
Buffalo Narrows Airport (440 m, Saskatchewan) - 1.8
Buffalo Niagara Intl. Airport (219 m, New York) - 0.1
Burlington Intl. Airport (104 m, Vermont) - 0.7
Burlington Piers (AUT) (77 m, Ontario) - 0.4
Burns Bog (84 m, British Columbia) - 1.3
Burns Lake Campbell Scientific (713 m, British Columbia) - 2.4
Burwash Landing (57 m, Yukon) - 1.1
Burwash Landing Airport (807 m, Yukon) - 1.1
CFB Borden (224 m, Ontario) - 0.1
CFB Valcartier Airport (168 m, Quebec) - 1.7
Calgary Intl. Airport (1084 m, Alberta) - 2.3
Callaghan Valley (884 m, British Columbia) - 1.6
Cambridge Bay Airport (23 m, Nunavut) - 0.1
Cameron Falls (AUT) (233 m, Ontario) - 0.8
Campsie (647 m, Alberta) - 2.5
Cap Tourmente National Wildlife Area (6 m, Quebec) - 2.2
Cap-Chat (5 m, Quebec) - 1.0
Cape Dorset Airport (50 m, Nunavut) - 2.1
Cape Race (27 m, Newfoundland) - 0.0
Cape Stallworthy (72 m, Alberta) - 0.1
Caribou (187 m, Ontario) - 0.8
Caribou Airport (191 m, Maine) - 0.2
Caribou Point (AUT) (2 m, Nova Scotia) - 0.5
Carmacks (543 m, Yukon) - 1.4
Cartwright Airport (15 m, Newfoundland) - 1.2
Carway Airport (513 m, Alberta) - 2.0
Castlegar Airport (495 m, Nova Scotia) - 0.3
Cathedral Point (31 m, British Columbia) - 0.9
Center for Earth Resources Observations (482 m, South Dakota) - 0.7
Chamouchouane (304 m, Quebec) - 2.2
Channel-Port aux Basques (40 m, Newfoundland) - 0.2
Chapleau Airport (447 m, Ontario) - 0.7
Charleston Intl. Airport (15 m, South Carolina) - 1.4
Charlevoix (Mrc) (719 m, Quebec) - 1.9
Charlo Airport (42 m, New Brunswick) - 0.9
Charlotte Douglas Intl. Airport (234 m, North Carolina) - 1.6
Charlottetown Airport (79 m, Prince Edward Island) - 0.7
Chatham-Kent (178 m, Ontario) - 0.3
Chevery (8 m, Quebec) - 0.1
Chicoutimi (163 m, Quebec) - 2.7
Churchill Airport (29 m, Manitoba) - 0.1
Chutes Des Passes (398 m, Quebec) - 2.9
Claresholm (1012 m, Alberta) - 2.7
Clearwater (438 m, British Columbia) - 3.9
Cleveland Hopkins Intl. Airport (245 m, Ohio) - 0.8
Clinton (1057 m, British Columbia) - 2.3
Clinton AP (1027 m, British Columbia) - 2.1
Clyde AP (27 m, Nunavut) - 0.8
Cobourg (78 m, Ontario) - 0.2
Collingwood (180 m, Ontario) - 0.4
Collins Bay (492 m, Saskatchewan) - 1.4
Columbia Regional Airport (274 m, Missouri) - 1.9
Colville Lake (259 m, Northwest Territories) - 1.2
Concord Airport (105 m, New Hampshire) - 0.1
Coral Harbour (238 m, Nunavut) - 1.1
Coral Harbour Airport (64 m, Nunavut) - 1.1
Cormack (75 m, Newfoundland) - 0.4
Coronach (756 m, Saskatchewan) - 1.2
Coronation (791 m, Alberta) - 1.9
Cove Island (181 m, Ontario) - 0.2
Craig (1915 m, Colorado) - 2.1
Cranbrook Airport (939 m, British Columbia) - 3.1
Cranbrook Airport (930 m, British Columbia) - 3.1
Creston Campbell Scientific (646 m, British Columbia) - 2.8
Cumshewa (17 m, British Columbia) - 1.5
Cypress Hills Park (1271 m, Saskatchewan) - 1.3
Cypress River (374 m, Manitoba) - 0.0
Dallas/Fort Worth Intl. Airport (182 m, Texas) - 2.2
Daniel's Harbour Airport (18 m, Newfoundland) - 0.6
Dauphin (305 m, Manitoba) - 1.1
Dauphin Airport (305 m, Manitoba) - 1.1
Dawson Creek Airport (655 m, British Columbia) - 2.0
Dawson Y. T. AP (370 m, Yukon) - 0.5
Dayton Intl. Airport (306 m, Ohio) - 1.7
Deadman Valley (283 m, Northwest Territories) - 1.3
Dease Lake (816 m, British Columbia) - 0.2
Dease Lake Airport (803 m, British Columbia) - 0.2
Debert (39 m, Nova Scotia) - 0.8
Deer Lake Airport (29 m, Newfoundland) - 0.4
Deerwood Rcs (341 m, Manitoba) - 1.1
Delhi (232 m, Ontario) - 0.5
Deline (213 m, Northwest Territories) - 2.1
Denver Intl. Airport (1656 m, Colorado) - 2.2
Detroit Metropolitan Wayne County Airpo (202 m, Michigan) - 1.1
District (281 m, Ontario) - 0.1
Dodge City Regional Airport (790 m, Kansas) - 1.9
Dryden Airport (413 m, Ontario) - 0.8
Ear Falls (355 m, Ontario) - 1.1
East Point (8 m, Prince Edward Island) - 0.9
Eastend Cypress (1080 m, Saskatchewan) - 1.3
Edmonton (IAP) (707 m, Alberta) - 2.3
Edmonton Municipal Cr10 (671 m, Alberta) - 2.4
Edmonton Namao (685 m, Alberta) - 2.3
Edmundston (156 m, New Brunswick) - 1.0
Edson (927 m, Alberta) - 2.5
Edson (925 m, Alberta) - 2.6
Egbert CS (251 m, Ontario) - 0.0
Egg Island (215 m, Alberta) - 1.7
El Paso Intl. Airport (1194 m, Texas) - 2.8
Elbow (595 m, Saskatchewan) - 0.7
Elora (376 m, Ontario) - 0.1
Emerson (242 m, Manitoba) - 1.3
Englee (30 m, Newfoundland) - 0.8
Ennadai Lake (AUT) (353 m, Nunavut) - 1.1
Entrance Isl. (5 m, British Columbia) - 1.6
Erik Nielsen Whitehorse Intl. Airport (706 m, Yukon) - 1.4
Eskasoni (658 m, Nova Scotia) - 0.2
Estevan Airport (584 m, Saskatchewan) - 1.7
Estevan Point (7 m, British Columbia) - 0.0
Esther 1 (707 m, Alberta) - 1.6
Eureka Airport (11 m, Nunavut) - 0.2
Falls Intl. Airport (362 m, Minnesota) - 1.0
Faro Airport (716 m, Yukon) - 2.2
Ferolle Point (AUT) (6 m, Newfoundland) - 0.2
Fisher Branch (253 m, Manitoba) - 1.4
Flagstaff/Belemont (2181 m, Arizona) - 2.0
Flin Flon (304 m, Manitoba) - 1.0
Fort Chipewyan (238 m, Alberta) - 1.8
Fort Chipewyan (232 m, Alberta) - 1.8
Fort Good Hope (82 m, Northwest Territories) - 1.4
Fort Liard (213 m, Northwest Territories) - 0.1
Fort McMurray CS (369 m, Alberta) - 2.3
Fort Montmorency Rc RCS (673 m, Quebec) - 1.6
Fort Nelson Airport (389 m, British Columbia) - 1.9
Fort Providence (162 m, Northwest Territories) - 0.2
Fort Reliance (AUT) (168 m, Northwest Territories) - 0.5
Fort Ross (10 m, Nevada) - 0.7
Fort Simpson Airport (169 m, Northwest Territories) - 0.2
Fort Simpson Climate (168 m, Northwest Territories) - 0.3
Fort Smith (203 m, Northwest Territories) - 1.7
Fort Smith Airport (205 m, Northwest Territories) - 1.8
Fort Smith Regional Airport (141 m, Arkansas) - 2.7
Fort St. John AP (695 m, British Columbia) - 2.4
Fort Vermilion (289 m, Alberta) - 1.4
Fort Wayne Intl. Airport (252 m, Indiana) - 1.7
Fredericton (35 m, New Brunswick) - 1.0
Fredericton Intl. Airport (31 m, New Brunswick) - 1.1
Frelighsburg (152 m, Quebec) - 0.8
Ft Severn (15 m, Ontario) - 1.0
Gagetown Awos A (51 m, New Brunswick) - 1.0
Gander Airport (151 m, Newfoundland) - 0.4
Gander Airport (151 m, Newfoundland) - 0.3
Gateshead (20 m, Nunavut) - 0.5
George Island (223 m, Manitoba) - 1.2
Gerald R. Ford Intl. Airport (245 m, Michigan) - 0.9
Geraldton AP (349 m, Ontario) - 0.4
Gillam Airport (146 m, Manitoba) - 0.3
Gimli (230 m, Manitoba) - 1.5
Gjoa Haven Airport (46 m, Nunavut) - 0.1
Goderich (214 m, Ontario) - 0.2
Grand Manan Sar CS (78 m, New Brunswick) - 0.4
Grande Prairie Airport (669 m, Alberta) - 1.6
Great Duck Island (183 m, Ontario) - 0.1
Greater Sudbury (190 m, Ontario) - 0.5
Greenville- Spartanburg Intl. Airport (296 m, South Carolina) - 2.0
Gretna (253 m, Manitoba) - 1.2
Grey Islet (8 m, British Columbia) - 2.3
Haines Junction (595 m, Yukon) - 1.4
Halifax Airport (145 m, Nova Scotia) - 0.4
Hall Beach (8 m, Nunavut) - 1.1
Hamilton Airport (238 m, Ontario) - 0.3
Hamilton Rbg CS (107 m, Ontario) - 0.3
Hanbury River (317 m, Northwest Territories) - 0.7
Harrington Cda (53 m, Prince Edward Island) - 0.8
Harrow CDA (AUT) (192 m, Ontario) - 1.0
Hart Island (AUT) (8 m, Nova Scotia) - 0.1
Havre-Saint-Pierre (37 m, Quebec) - 0.2
Hay River (164 m, Northwest Territories) - 1.0
Hay River Airport (170 m, Northwest Territories) - 1.2
Hector Intl. Airport (274 m, North Dakota) - 0.6
Hendrickson Creek (1448 m, Alberta) - 1.1
Herschel Island (1 m, Yukon) - 1.7
High Level Airport (338 m, Alberta) - 2.4
Holman CS (30 m, Northwest Territories) - 0.8
Hope (39 m, British Columbia) - 2.8
Hope Aerodrome (39 m, British Columbia) - 2.8
Hudson Bay Airport (358 m, Saskatchewan) - 0.7
Huron Airport (393 m, South Dakota) - 1.2
Indian Head CDA (579 m, Saskatchewan) - 1.4
Indianapolis Intl. Airport (246 m, Indiana) - 1.5
Ingonish Beach CS (8 m, Nova Scotia) - 0.1
Inukjuak (25 m, Quebec) - 2.6
Inukjuak Airport (26 m, Quebec) - 2.7
Inuvik Climate (103 m, Northwest Territories) - 0.7
Iqaluit (34 m, Nunavut) - 1.5
Isachsen (58 m, Nunavut) - 0.3
Island Falls (297 m, Saskatchewan) - 1.1
Island Lake Airport (235 m, Manitoba) - 0.1
Ivvavik National Park (244 m, Yukon) - 0.3
Jackson (91 m, Mississippi) - 2.2
Jacksonville Intl. Airport (11 m, Florida) - 1.2
Jasper Warden (1020 m, Alberta) - 2.9
Jimmy Lake (636 m, Saskatchewan) - 2.0
John F. Kennedy Intl. Airport (7 m, New York) - 0.3
Jonquière (128 m, Quebec) - 2.4
Kamloops (345 m, British Columbia) - 3.9
Kamloops Airport (345 m, British Columbia) - 3.8
Kansas City Intl. Airport (313 m, Missouri) - 2.0
Kapuskasing (227 m, Ontario) - 0.0
Kapuskasing (218 m, Ontario) - 0.0
Katatota Island (AUT) (261 m, Ontario) - 0.5
Kejimkujik 1 (165 m, Nova Scotia) - 0.4
Kelowna Intl. Airport (456 m, British Columbia) - 2.6
Kelsey Dam CS (183 m, Manitoba) - 0.5
Kemptville (99 m, Ontario) - 0.3
Kenora Airport (406 m, Ontario) - 0.8
Kentville (49 m, Nova Scotia) - 0.6
Key Lake (11 m, Saskatchewan) - 1.3
Key Lake Airport (237 m, Saskatchewan) - 1.2
Key West Airport (5 m, Florida) - 1.3
Kindersley Regional Airport (698 m, Saskatchewan) - 1.4
Kingston (93 m, Ontario) - 0.5
Kirkland Lake (324 m, Ontario) - 1.3
Kugluktuk Airport (23 m, Northwest Territories) - 0.7
Kuujjuaq Airport (44 m, Quebec) - 1.2
Kuujjuarapik Airport (24 m, Quebec) - 3.3
L’Assomption (21 m, Quebec) - 0.7
La Baie (135 m, Quebec) - 2.4
La Grande Rivière Airport (195 m, Quebec) - 1.8
La Grande-4 Airport (306 m, Quebec) - 1.3
La Pocatière (31 m, Quebec) - 2.1
La Ronge Airport (379 m, Saskatchewan) - 1.1
La Ronge Airport (379 m, Saskatchewan) - 1.0
La Scie (192 m, Newfoundland) - 0.7
La Tuque (169 m, Quebec) - 1.6
LaGuardia Airport (9 m, New York) - 0.4
Lac Benoit (549 m, Quebec) - 1.8
Lac La Biche (567 m, Alberta) - 2.4
Lac La Martre (271 m, Northwest Territories) - 0.6
Lagoon City (221 m, Ontario) - 0.0
Lake Charles Airport (5 m, Louisiana) - 2.3
Langara Island (41 m, British Columbia) - 1.1
Last Mountain CS (497 m, Saskatchewan) - 0.7
Leader Airport (676 m, Saskatchewan) - 1.6
Lemieux (97 m, Quebec) - 1.2
Lethbridge (929 m, California) - 2.5
Lillooet (235 m, British Columbia) - 3.8
Lindburg Landing (183 m, Northwest Territories) - 0.8
Lloydminster Airport (669 m, Alberta) - 1.6
Logan Intl. Airport (9 m, Massachusetts) - 0.6
London Airport (278 m, Ontario) - 0.2
London CS (278 m, Ontario) - 0.3
Longue Pointe De Mingan (11 m, Quebec) - 0.1
Loon Lake Airport (546 m, Saskatchewan) - 1.5
Louisville Intl. Airport (149 m, Kentucky) - 1.8
Lower Carp Lake (373 m, Northwest Territories) - 0.0
Lucky Lake (665 m, Saskatchewan) - 0.9
Lupin (488 m, Northwest Territories) - 0.5
Lutselk'E CS (179 m, Northwest Territories) - 0.2
Lynchburg Regional Airport (286 m, Virginia) - 1.1
Lynn Lake (354 m, Manitoba) - 1.1
Lynn Lake Airport (354 m, Manitoba) - 1.2
Lytton (225 m, British Columbia) - 4.8
Lytton (225 m, British Columbia) - 4.9
Mackenzie (690 m, British Columbia) - 3.0
Mackenzie Airport (695 m, British Columbia) - 3.0
Macmillan Pass (1379 m, Yukon) - 1.6
Magdalen Islands (8 m, Quebec) - 0.8
Magdalen Islands Airport (18 m, Quebec) - 0.8
Malahat (366 m, British Columbia) - 1.3
Maniwaki Airport (201 m, Quebec) - 0.2
Maple Creek (767 m, Saskatchewan) - 1.5
Margaret Lake (568 m, Yukon) - 0.0
Mary’s Harbour (11 m, Newfoundland) - 0.9
Matagami Airport (280 m, Quebec) - 1.6
Mayo Airport (504 m, Yukon) - 0.6
McGhee Tyson Airport (299 m, Tennessee) - 2.5

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2016