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North America - Pressure tendency (hPa last 3 hours)
Friday 26 Aug 2016 04:00 BST

Stations: 723 SLP tendency
Saint John's AP (135 m, Newfoundland) - 0.3
St Johns West (110 m, Newfoundland) - 0.6
Cape Race (27 m, Newfoundland) - 0.6
Bonavista (26 m, Newfoundland) - 0.3
Pools Island (19 m, Newfoundland) - 0.5
Terra Nova Nat Park CS (107 m, Newfoundland) - 0.3
Argentia (15 m, Newfoundland) - 0.8
Gander Airport (151 m, Newfoundland) - 0.1
Gander Airport (151 m, Newfoundland) - 0.1
Twillingate (AUT) (92 m, Newfoundland) - 0.6
Winterland (29 m, Newfoundland) - 0.4
St. Lawrence (49 m, Newfoundland) - 0.6
La Scie (192 m, Newfoundland) - 0.6
Sagona Island (60 m, Newfoundland) - 0.3
Mary’s Harbour (11 m, Newfoundland) - 0.8
Badger (103 m, Newfoundland) - 0.5
St.Anthony A (32 m, Newfoundland) - 1.3
Englee (30 m, Newfoundland) - 1.0
Saint-Pierre (24 m, Saint Pierre and Miquelon) - 0.4
Millertown (230 m, Newfoundland) - 0.6
Cartwright Airport (15 m, Newfoundland) - 0.5
Ferolle Point (AUT) (6 m, Newfoundland) - 0.8
Blanc-Sablon Airport (32 m, Quebec) - 0.3
Cormack (75 m, Newfoundland) - 1.6
Deer Lake Airport (29 m, Newfoundland) - 1.6
Daniel's Harbour Airport (18 m, Newfoundland) - 1.7
Stephenville Intl. Airport (9 m, Newfoundland) - 0.8
Channel-Port aux Basques (40 m, Newfoundland) - 0.6
Wreckhouse (33 m, Newfoundland) - 0.3
Chevery (8 m, Quebec) - 0.4
Sydney Airport (72 m, Nova Scotia) - 0.3
St Paul Isl (26 m, Nova Scotia) - 0.4
Ingonish Beach CS (8 m, Nova Scotia) - 0.8
Eskasoni (658 m, Nova Scotia) - 0.6
Hart Island (AUT) (8 m, Nova Scotia) - 0.9
Port Hawkesbury Airport (114 m, Nova Scotia) - 0.3
Tracadie (67 m, Nova Scotia) - 0.5
Nain (7 m, Newfoundland) - 1.0
Magdalen Islands (8 m, Quebec) - 0.5
Natashquan Airport (11 m, Quebec) - 0.3
Natashquan Airport (9 m, Quebec) - 0.3
East Point (8 m, Prince Edward Island) - 0.4
Alert (65 m, Nunavut) - 0.4
St. Peters (30 m, Prince Edward Island) - 0.8
Caribou Point (AUT) (2 m, Nova Scotia) - 0.2
Upper Stewiacke Rcs (24 m, Nova Scotia) - 0.4
Charlottetown Airport (79 m, Prince Edward Island) - 0.3
Harrington Cda (53 m, Prince Edward Island) - 0.4
Debert (39 m, Nova Scotia) - 0.3
Halifax Airport (145 m, Nova Scotia) - 0.2
Havre-Saint-Pierre (37 m, Quebec) - 0.6
Summerside (21 m, Prince Edward Island) - 0.1
North Point (8 m, Prince Edward Island) - 0.4
Qikiqtarjuaq (6 m, Nunavut) - 0.5
Longue Pointe De Mingan (11 m, Quebec) - 0.6
Nappan (20 m, Nova Scotia) - 0.2
Port-Menier (55 m, Quebec) - 0.4
Cap D'Espoir (15 m, Quebec) - 0.2
Parrsboro (31 m, Nova Scotia) - 0.3
Michel-Pouliot Gaspé Airport (35 m, Quebec) - 0.1
Kentville (49 m, Nova Scotia) - 0.1
Miscou (5 m, New Brunswick) - 0.2
Western Head (10 m, Nova Scotia) - 0.4
Moncton Airport (71 m, New Brunswick) - 0.3
Bouctouche (36 m, New Brunswick) - 0.2
Bas Caraquet (5 m, New Brunswick) - 0.1
Mechanic Settlement (404 m, New Brunswick) - 0.5
Kejimkujik 1 (165 m, Nova Scotia) - 0.2
Sainte-Madeleine-de-la-Rivière-M (29 m, Quebec) - 0.4
New Carlisle (46 m, Quebec) - 0.3
Miramichi (33 m, New Brunswick) - 0.6
Baccaro (5 m, New Brunswick) - 0.4
Red Pines (124 m, New Brunswick) - 0.5
Beresford Airport (59 m, New Brunswick) - 0.3
Saint John Airport (111 m, New Brunswick) - 0.4
Yarmouth Airport (46 m, Nova Scotia) - 0.6
Sept-Îles (53 m, Quebec) - 0.9
Charlo Airport (42 m, New Brunswick) - 0.1
Gagetown Awos A (51 m, New Brunswick) - 0.2
Fredericton Intl. Airport (31 m, New Brunswick) - 0.1
Fredericton (35 m, New Brunswick) - 0.1
Cap-Chat (5 m, Quebec) - 0.1
Schefferville Airport (521 m, Quebec) - 0.1
Schefferville (517 m, Quebec) - 0.1
Grand Manan Sar CS (78 m, New Brunswick) - 0.4
Wabush Airport (551 m, Newfoundland) - 0.7
St Stephen (28 m, New Brunswick) - 0.3
Pointe Des Monts (6 m, Quebec) - 0.1
Amqui (166 m, Quebec) - 0.2
Woodstock (218 m, New Brunswick) - 0.3
Caribou Airport (191 m, Maine) - 0.1
Baie-Comeau (130 m, Quebec) - 0.4
Baie Comeau Climate (28 m, Quebec) - 0.4
Baie-Comeau Airport (22 m, Quebec) - 0.3
Mont-Joli Airport (54 m, Quebec) - 0.1
Edmundston (156 m, New Brunswick) - 0.2
Kuujjuaq Airport (44 m, Quebec) - 0.4
Pointe-au-Père (5 m, Quebec) - 0.1
Clyde AP (27 m, Nunavut) - 0.3
Iqaluit (34 m, Nunavut) - 0.3
Rivière-du-Loup (147 m, Quebec) - 0.7
La Pocatière (31 m, Quebec) - 0.3
Portland (19 m, Maine) - 0.0
Charlevoix (Mrc) (719 m, Quebec) - 0.2
Cap Tourmente National Wildlife Area (6 m, Quebec) - 0.4
Beauceville (229 m, Quebec) - 0.1
La Baie (135 m, Quebec) - 0.1
Bonnard 1 (498 m, Quebec) - 0.0
Onatchiway (304 m, Quebec) - 0.4
Logan Intl. Airport (9 m, Massachusetts) - 0.3
Lac Benoit (549 m, Quebec) - 0.0
Chicoutimi (163 m, Quebec) - 0.0
Jonquière (128 m, Quebec) - 0.0
Fort Montmorency Rc RCS (673 m, Quebec) - 0.4
Chutes Des Passes (398 m, Quebec) - 0.0
Parc Des Laurentid (791 m, Quebec) - 0.4
Thetford Mines Rcs (430 m, Quebec) - 0.0
Québec (74 m, Quebec) - 0.2
Concord Airport (105 m, New Hampshire) - 0.0
CFB Valcartier Airport (168 m, Quebec) - 0.1
Mistook (113 m, Quebec) - 0.2
Sherbrooke Airport (242 m, Quebec) - 0.1
Roberval Airport (187 m, Quebec) - 0.4
Trois-Rivières (6 m, Quebec) - 0.1
Normandin (137 m, Quebec) - 0.0
Nicolet (8 m, Quebec) - 0.1
La Tuque (169 m, Quebec) - 0.4
Frelighsburg (152 m, Quebec) - 0.3
Riviere Aux Feuille (171 m, Quebec) - 0.2
Burlington Intl. Airport (104 m, Vermont) - 0.4
Chamouchouane (304 m, Quebec) - 0.0
Saint-Hubert Airport (28 m, Quebec) - 0.1
L’Assomption (21 m, Quebec) - 0.2
McTavish (73 m, Quebec) - 0.3
La Grande-4 Airport (306 m, Quebec) - 0.1
Sainte-Clotilde (53 m, Quebec) - 0.4
Montreal Airport Trudeau (34 m, Quebec) - 0.3
John F. Kennedy Intl. Airport (7 m, New York) - 0.1
Albany Airport (89 m, New York) - 0.1
LaGuardia Airport (9 m, New York) - 0.2
Baie-D'Urfé (39 m, Quebec) - 0.3
St Anicet 1 (49 m, Quebec) - 0.2
St Jovite (239 m, Quebec) - 0.2
Kemptville (99 m, Ontario) - 0.0
Ottawa Int AP (114 m, Ontario) - 0.2
Ottawa CDA RCS (79 m, Ontario) - 0.2
Brockville (121 m, Ontario) - 0.1
Wilkes-Barre/Scranton Intl. Airport (289 m, Pennsylvania) - 0.0
Maniwaki Airport (201 m, Quebec) - 0.2
Syracuse Hancock Intl. Airport (124 m, New York) - 0.4
Norfolk Intl. Airport (9 m, Virginia) - 0.1
Cape Dorset Airport (50 m, Nunavut) - 0.6
Kingston (93 m, Ontario) - 0.6
Ronald Reagan Washington National Airpo (20 m, Virginia) - 0.2
Point Petre (79 m, Ontario) - 0.5
Pembroke (161 m, Ontario) - 0.0
Petawawa Airport (130 m, Ontario) - 0.0
La Grande Rivière Airport (195 m, Quebec) - 0.0
Kuujjuarapik Airport (24 m, Quebec) - 0.1
Val-d'Or (345 m, Quebec) - 0.7
Matagami Airport (280 m, Quebec) - 0.7
Bancroft (331 m, Ontario) - 0.2
Wilmington Intl. Airport (10 m, North Carolina) - 0.0
Pond Inlet Airport (55 m, Nunavut) - 0.8
Inukjuak (25 m, Quebec) - 0.5
Inukjuak Airport (26 m, Quebec) - 0.5
Cobourg (78 m, Ontario) - 0.6
Algonquin Provincial Park (410 m, Ontario) - 0.1
Peterborough Trent (216 m, Ontario) - 0.2
Peterborough (191 m, Ontario) - 0.3
Buffalo Niagara Intl. Airport (219 m, New York) - 0.4
Oshawa (140 m, Ontario) - 0.1
Rouyn-Noranda (318 m, Quebec) - 0.7
Uxbridge (375 m, Ontario) - 0.1
Lynchburg Regional Airport (286 m, Virginia) - 0.1
Lagoon City (221 m, Ontario) - 0.1
Port Weller (79 m, Ontario) - 0.2
Port Colborne (184 m, Ontario) - 0.1
District (281 m, Ontario) - 0.1
Welland Pelham (178 m, Ontario) - 0.1
Toronto Islands Airport (77 m, Ontario) - 0.2
Vineland Station RCS (79 m, Ontario) - 0.2
Toronto (113 m, Ontario) - 0.3
Beatrice Climate (297 m, Ontario) - 0.1
North Bay (370 m, Ontario) - 0.2
Barrie-Oro (289 m, Ontario) - 0.2
Toronto/Pearson AP (173 m, Ontario) - 0.2
Egbert CS (251 m, Ontario) - 0.5
Burlington Piers (AUT) (77 m, Ontario) - 0.6
Armstrong (243 m, Ontario) - 0.6
Armstrong (243 m, Ontario) - 0.7
CFB Borden (224 m, Ontario) - 0.5
Hamilton Airport (238 m, Ontario) - 0.7
Piedmont Triad Intl. Airport (277 m, North Carolina) - 0.2
Kirkland Lake (324 m, Ontario) - 0.6
Charleston Intl. Airport (15 m, South Carolina) - 0.4
Parry Sound (176 m, Ontario) - 0.0
Pittsburgh Intl. Airport (373 m, Pennsylvania) - 0.1
Collingwood (180 m, Ontario) - 0.0
Miami Intl. Airport (4 m, Florida) - 0.2
Waterloo Well AP (315 m, Ontario) - 0.7
Elora (376 m, Ontario) - 0.6
Delhi (232 m, Ontario) - 0.8
Moosonee (9 m, Ontario) - 0.2
Moosonee (9 m, Ontario) - 0.2
Mount Forest (415 m, Ontario) - 0.5
Greater Sudbury (190 m, Ontario) - 1.4
Sudbury Airport (348 m, Ontario) - 1.3
Charlotte Douglas Intl. Airport (234 m, North Carolina) - 0.5
Wiarton Airport (223 m, Ontario) - 0.4
London Airport (278 m, Ontario) - 0.7
London CS (278 m, Ontario) - 0.8
Hall Beach (8 m, Nunavut) - 0.4
Timmins/Victor M. Power Airport (295 m, Ontario) - 1.4
Timmins (294 m, Ontario) - 1.4
Yeager Airport (299 m, West-Virginia) - 0.2
Tobermory (214 m, Ontario) - 0.8
Jacksonville Intl. Airport (11 m, Florida) - 0.1
Goderich (214 m, Ontario) - 0.4
Cove Island (181 m, Ontario) - 0.9
Key West Airport (5 m, Florida) - 0.3
Cleveland Hopkins Intl. Airport (245 m, Ohio) - 1.1
Ridgetown (206 m, Ontario) - 1.0
Chatham-Kent (178 m, Ontario) - 1.1
Greenville- Spartanburg Intl. Airport (296 m, South Carolina) - 0.7
Sarnia Climate (181 m, Ontario) - 0.9
Sarnia Chris Hadfield Airport (181 m, Ontario) - 0.9
Kapuskasing (218 m, Ontario) - 1.5
Kapuskasing (227 m, Ontario) - 1.5
Point Pelee CS (177 m, Ontario) - 1.4
Tampa Intl. Airport (3 m, Florida) - 1.5
Tri-State Airport (255 m, West-Virginia) - 0.2
Harrow CDA (AUT) (192 m, Ontario) - 1.5
Great Duck Island (183 m, Ontario) - 1.0
Windsor Airport (190 m, Ontario) - 1.4
Detroit Metropolitan Wayne County Airpo (202 m, Michigan) - 1.7
Coral Harbour Airport (64 m, Nunavut) - 1.0
Alpena (211 m, Michigan) - 1.5
Coral Harbour (238 m, Nunavut) - 1.0
Middle Georgia Regional Airport (110 m, Georgia) - 1.7
McGhee Tyson Airport (299 m, Tennessee) - 0.6
Nagagami (AUT) (264 m, Ontario) - 0.8
Dayton Intl. Airport (306 m, Ohio) - 1.3
Sault Ste. Marie Airport (218 m, Michigan) - 0.4
Sault Ste Marie (192 m, Ontario) - 0.5
Arctic Bay CS (10 m, Northwest Territories) - 0.2
Fort Wayne Intl. Airport (252 m, Indiana) - 1.2
Peawanuck (AUT) (52 m, Ontario) - 0.2
Gerald R. Ford Intl. Airport (245 m, Michigan) - 1.0
Louisville Intl. Airport (149 m, Kentucky) - 0.8
Caribou (187 m, Ontario) - 0.3
Eureka Airport (11 m, Nunavut) - 0.9
Pukaskwa (AUT) (208 m, Ontario) - 0.5
Montgomery Regional Airport (62 m, Alabama) - 1.6
Nashville Intl. Airport (180 m, Tennessee) - 0.6
Geraldton AP (349 m, Ontario) - 2.1
Pensacola Intl. Airport (37 m, Florida) - 1.5
Ft Severn (15 m, Ontario) - 1.1
Midway Intl. Airport (190 m, Illinois) - 1.4
Lansdowne House (AUT) (253 m, Ontario) - 0.7
Austin Straubel Intl. Airport (209 m, Wisconsin) - 1.4
Katatota Island (AUT) (261 m, Ontario) - 2.6
Cameron Falls (AUT) (233 m, Ontario) - 1.6
Armstrong Airport (323 m, Ontario) - 1.9
Welcome Island (AUT) (209 m, Ontario) - 1.7
Thunder Bay (199 m, Ontario) - 1.8
Peoria Airport (202 m, Illinois) - 1.3
Big Trout Lake (222 m, Ontario) - 0.3
Big Trout Lake (222 m, Ontario) - 0.3
Memphis Airport (87 m, Tennessee) - 0.5
Jackson (91 m, Mississippi) - 2.2
Pickle Lake (391 m, Ontario) - 0.7
Upsala (489 m, Ontario) - 2.0
Atikokan (389 m, Ontario) - 1.6
Muskrat Dam Airport (278 m, Ontario) - 0.6
Sioux Lookout Airport (390 m, Ontario) - 1.3
Rankin Inlet Airport (29 m, Nunavut) - 0.1
Columbia Regional Airport (274 m, Missouri) - 1.6
Dryden Airport (413 m, Ontario) - 1.0
Lake Charles Airport (5 m, Louisiana) - 0.3
Ear Falls (355 m, Ontario) - 0.8
Sandy Lake (289 m, Ontario) - 0.3
Falls Intl. Airport (362 m, Minnesota) - 1.2
Taloyoak Airport (28 m, Nunavut) - 0.1
Rawson Lake (305 m, Ontario) - 0.6
Shreveport Regional Airport (84 m, Louisiana) - 0.2
Churchill Airport (29 m, Manitoba) - 0.5
Arviat (10 m, Nunavut) - 0.5
Fort Ross (10 m, Nevada) - 0.6
Kenora Airport (406 m, Ontario) - 0.6
Fort Smith Regional Airport (141 m, Arkansas) - 1.4
Island Lake Airport (235 m, Manitoba) - 0.1
Gillam Airport (146 m, Manitoba) - 0.8
Kansas City Intl. Airport (313 m, Missouri) - 1.8
Resolute CS (68 m, Nunavut) - 0.1
Resolute AP (67 m, Nunavut) - 0.1
Sprague (329 m, Manitoba) - 0.5
Gjoa Haven Airport (46 m, Nunavut) - 0.6
Baker Lake (51 m, Nunavut) - 0.2
Pinawa (268 m, Manitoba) - 0.4
Baker Lake Airport (18 m, Nunavut) - 0.2
Center for Earth Resources Observations (482 m, South Dakota) - 1.2
Kelsey Dam CS (183 m, Manitoba) - 0.1
Hector Intl. Airport (274 m, North Dakota) - 0.2
Berens River (222 m, Manitoba) - 0.0
Dallas/Fort Worth Intl. Airport (182 m, Texas) - 2.0
Gimli (230 m, Manitoba) - 0.5
The Forks, Winnipeg (230 m, Manitoba) - 0.6
Winnipeg A Cs (239 m, Manitoba) - 0.6
Emerson (242 m, Manitoba) - 0.5
Fisher Branch (253 m, Manitoba) - 0.3
Gretna (253 m, Manitoba) - 0.4
Will Rogers World Airport (398 m, Oklahoma) - 2.3
George Island (223 m, Manitoba) - 0.1
Norway House Airport (223 m, Manitoba) - 0.1
Thompson Airport (216 m, Manitoba) - 0.0
Oak Point Marine (250 m, Manitoba) - 0.1
Morden (298 m, Manitoba) - 0.4
Huron Airport (393 m, South Dakota) - 1.0
Portage Southport A (270 m, Manitoba) - 0.2
Deerwood Rcs (341 m, Manitoba) - 0.2
San Antonio Intl. Airport (242 m, Texas) - 1.6
Tadoule Lake (281 m, Manitoba) - 0.5
Tadoule Lake CS (262 m, Manitoba) - 0.6
Pilot Mound (475 m, Manitoba) - 0.4
Cypress River (374 m, Manitoba) - 0.1
Grand Rapids (223 m, Manitoba) - 0.2
Wasagaming (627 m, Manitoba) - 0.3
Brandon Airport (416 m, Manitoba) - 0.4
Dodge City Regional Airport (790 m, Kansas) - 1.5
Dauphin Airport (305 m, Manitoba) - 0.1
Dauphin (305 m, Manitoba) - 0.2
Gateshead (20 m, Nunavut) - 1.3
Shoal Lake CS (561 m, Manitoba) - 0.0
North Platte Regional Airport (849 m, Nebraska) - 1.0
Ennadai Lake (AUT) (353 m, Nunavut) - 0.4
Melita (446 m, Manitoba) - 0.0
Lynn Lake (354 m, Manitoba) - 1.5
Lynn Lake Airport (354 m, Manitoba) - 1.5
The Pas Airport (270 m, Manitoba) - 0.1
Swan River (335 m, Manitoba) - 0.2
Roblin (540 m, Manitoba) - 0.6
Flin Flon (304 m, Manitoba) - 0.5
Rick Husband Amarillo Intl. Airport (1094 m, Texas) - 2.9
Hudson Bay Airport (358 m, Saskatchewan) - 0.3
Island Falls (297 m, Saskatchewan) - 0.1
Yorkton Airport (498 m, Saskatchewan) - 0.1
Yorkton Airport (498 m, Saskatchewan) - 0.1
Broadview AP (600 m, Saskatchewan) - 0.0
Estevan Airport (584 m, Saskatchewan) - 0.1
Rapid City Airport (965 m, South Dakota) - 0.3
Southend (344 m, Saskatchewan) - 1.1
Isachsen (58 m, Nunavut) - 0.9
Indian Head CDA (579 m, Saskatchewan) - 0.3
Collins Bay (492 m, Saskatchewan) - 0.5
Weyburn (589 m, Saskatchewan) - 0.1
Nipawin Airport (374 m, Saskatchewan) - 0.5
Nipawin (372 m, Saskatchewan) - 0.6
Wynyard (560 m, Saskatchewan) - 0.2
Melfort (490 m, Saskatchewan) - 0.5
Regina (577 m, Saskatchewan) - 0.1
Bratt'S Lake (580 m, Saskatchewan) - 0.0
Denver Intl. Airport (1656 m, Colorado) - 0.7
Cambridge Bay Airport (23 m, Nunavut) - 1.4
Cambridge Bay (19 m, Nunavut) - 1.4
Hanbury River (317 m, Northwest Territories) - 1.4
Pilger (552 m, Saskatchewan) - 0.2
Last Mountain CS (497 m, Saskatchewan) - 0.1
La Ronge Airport (379 m, Saskatchewan) - 0.1
Stefansson Is (11 m, Northwest Territories) - 1.2
Watrous East (526 m, Saskatchewan) - 0.3
Coronach (756 m, Saskatchewan) - 0.2
Moose Jaw (577 m, Saskatchewan) - 0.3
Key Lake (11 m, Saskatchewan) - 0.4
Key Lake Airport (237 m, Saskatchewan) - 0.5
Prince Albert Airport (428 m, Saskatchewan) - 0.3
Rea Point (15 m, Nunavut) - 0.4
Stony Rapids Airport (248 m, Saskatchewan) - 0.3

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2016