North America - Pressure tendency (hPa last 3 hours)
Saturday 26 May 2018 02:00 CEST

Stations: 2699 SLP tendency
Youngstown (361 m, Ohio) - 1.2
Yorkton Airport (498 m, Saskatchewan) + 0.1
Yorkton Airport (498 m, Saskatchewan) - 0.0
Yoho National Park (1615 m, British Columbia) - 1.4
Yohin (204 m, Northwest Territories) - 1.5
Yellowknife Airport (206 m, Northwest Territories) - 0.3
Yeager Airport (299 m, West-Virginia) - 0.7
Yarmouth Airport (46 m, Nova Scotia) - 0.0
Yakutat Airport (13 m, Alaska) - 0.5
Yakima Airport (325 m, Washington) - 0.6
Wynyard (560 m, Saskatchewan) + 0.4
Wreckhouse (33 m, Newfoundland) + 1.0
Woodstock (218 m, New Brunswick) + 3.1
Winterland (29 m, Newfoundland) - 2.6
Winslow- Lindbergh Regional Airport (1488 m, Arizona) - 1.3
Winnipeg A Cs (239 m, Manitoba) - 0.2
Winnemucca Airport (1322 m, Nevada) + 1.7
Windsor Airport (190 m, Ontario) - 1.1
Wilson Creek Weir CS (351 m, Manitoba) + 0.1
Wilmington Intl. Airport (10 m, North Carolina) + 0.0
Willow Creek 1 (1402 m, Alberta) - 1.7
Williamsport Regional Airport (160 m, Pennsylvania) - 0.8
Williams Lake Airport (942 m, British Columbia) + 0.9
Will Rogers World Airport (398 m, Oklahoma) - 1.6
Wilkes-Barre/Scranton Intl. Airport (289 m, Pennsylvania) - 1.0
Wichita Falls Regional Airport (314 m, Texas) - 2.0
Wichita Dwight D. Eisenhower National A (409 m, Kansas) - 1.0
Wiarton Airport (223 m, Ontario) - 1.0
Whitecourt Airport (785 m, Alberta) - 0.4
White Rock Campbell Scientific (13 m, British Columbia) - 0.8
Weyburn (589 m, Saskatchewan) - 0.7
Western Nebraska Regional Airport (1206 m, Nebraska) - 1.2
Western Head (10 m, Nova Scotia) + 0.6
West Vancouver (178 m, British Columbia) - 0.7
Welland Pelham (178 m, Ontario) - 0.9
Welcome Island (AUT) (209 m, Ontario) - 0.3
Wawa (287 m, Ontario) - 0.7
Watrous East (526 m, Saskatchewan) + 0.5
Waterloo Well AP (315 m, Ontario) - 0.4
Waterloo Regional Airport (268 m, Iowa) - 0.9
Waskesiu Lake (569 m, Saskatchewan) + 0.7
Wasagaming (627 m, Manitoba) + 1.1
Warfield (567 m, British Columbia) - 1.9
Wallops Flight Facility Airport (12 m, Virginia) - 0.6
Wainwright Cfb Airfield 21 (686 m, Alberta) - 0.8
Wager Bay (18 m, Nunavut) - 0.7
Waco Regional Airport (155 m, Texas) - 0.3
Wabush Airport (551 m, Newfoundland) + 1.3
Violet Grove (903 m, Alberta) - 2.3
Vineland Station RCS (79 m, Ontario) - 1.0
Villeneuve Airport (270 m, Alberta) - 1.8
Victoria Uni. Campbell Scientific (49 m, British Columbia) - 0.4
Victoria Regional Airport (36 m, Texas) - 1.0
Victoria Gonzales (70 m, British Columbia) - 0.3
Victoria (IAP) (19 m, British Columbia) - 0.6
Vernon (482 m, British Columbia) - 1.6
Vegreville (639 m, Alberta) - 1.1
Vauxhall (779 m, Alberta) - 2.2
Vancouver Airport (4 m, British Columbia) - 0.5
Val-d'Or (345 m, Quebec) + 2.1
Val Marie Southeast (785 m, Saskatchewan) - 1.1
Uxbridge (375 m, Ontario) - 0.8
Uranium City (321 m, Saskatchewan) - 0.8
Upsala (489 m, Ontario) + 0.1
Upper Stewiacke Rcs (24 m, Nova Scotia) + 1.7
Twillingate (AUT) (92 m, Newfoundland) - 0.6
Tupelo Regional Airport (110 m, Mississippi) - 0.4
Tulsa Airport (195 m, Oklahoma) - 1.0
Tuktoyaktuk (5 m, Northwest Territories) + 0.4
Tucson Intl. Airport (779 m, Arizona) - 2.1
Truth or Consequences Airport (1481 m, New Mexico) - 2.9
Trois-Rivières (6 m, Quebec) + 0.2
Tri-State Airport (255 m, West-Virginia) - 0.8
Trenton Airport (85 m, Ontario) - 0.8
Trail Valley (85 m, Northwest Territories) + 0.7
Tracadie (67 m, Nova Scotia) + 0.7
Toronto/Pearson AP (173 m, Ontario) - 0.4
Toronto Islands Airport (77 m, Ontario) - 0.5
Toronto (113 m, Ontario) - 0.6
Toledo Express Airport (211 m, Ohio) - 1.1
Tobermory (214 m, Ontario) - 1.0
Timmins Victor M. Power Airport (295 m, Ontario) + 0.3
Timmins (294 m, Ontario) + 0.4
Thunder Bay (199 m, Ontario) - 0.2
Thompson Airport (216 m, Manitoba) + 0.3
Thetford Mines Rcs (430 m, Quebec) + 0.6
The Forks, Winnipeg (230 m, Manitoba) - 0.5
Teslin (705 m, Yukon) - 0.7
Terrace Airport (217 m, British Columbia) - 0.1
Terra Nova Nat Park CS (107 m, Newfoundland) - 0.8
Ted Stevens Anchorage Intl. Airport (42 m, Alaska) - 1.3
Tatlayoko Lake RCS (875 m, British Columbia) + 0.5
Tampa Intl. Airport (3 m, Florida) + 0.1
Taloyoak Airport (28 m, Nunavut) - 1.1
Tallahassee Intl. Airport (18 m, Florida) + 0.7
Talkeetna Airport (109 m, Alaska) - 1.3
Tadoule Lake CS (262 m, Manitoba) - 1.3
Syracuse Hancock Intl. Airport (124 m, New York) - 1.7
Sydney Rcs (63 m, Nova Scotia) + 1.5
Sydney Airport (72 m, Nova Scotia) + 1.5
Swift Current (825 m, Saskatchewan) - 0.8
Swan River (335 m, Manitoba) + 0.7
Sundre A (1114 m, Alberta) - 2.4
Summerside (21 m, Prince Edward Island) + 0.9
Summerland (454 m, British Columbia) - 1.5
Sudbury Airport (348 m, Ontario) - 0.6
Stony Rapids Airport (248 m, Saskatchewan) - 1.4
Stony Plain Airport (766 m, Alberta) - 2.0
Stockton Metropolitan Airport (8 m, California) - 1.1
Stephenville Intl. Airport (9 m, Newfoundland) + 0.4
Stefansson Is (11 m, Nunavut) - 0.9
Stavely (1364 m, Alberta) - 1.8
St.Anthony A (32 m, Newfoundland) + 0.7
St. Peters (30 m, Prince Edward Island) + 1.1
St. Louis Lambert Intl. Airport (172 m, Missouri) - 0.8
St. Lawrence (49 m, Newfoundland) - 3.3
St Stephen (28 m, New Brunswick) + 1.4
St Paul Isl (26 m, Nova Scotia) + 1.5
St Jovite (239 m, Quebec) + 0.7
St Johns West (110 m, Newfoundland) - 1.1
St Anthony (32 m, Newfoundland) + 0.7
Squamish Airport (52 m, British Columbia) - 1.1

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2018