Quote:
Originally Posted by JetsNHL
Severe thunderstorm approaching here.
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Looks like the start of the cold front push for the U.S. Nice discussion.
NATIONAL WEATHER SERVICE
BISMARCK ND
101 PM CDT SAT JUL 12 2014
FARTHER NORTH...SURFACE
COLD FRONT INTO SOUTH CENTRAL MANITOBA WITH 3HR PRESSURE FALLS
CROSSING THE NORTHERN BORDER.
POWERFUL JET 100KT JET STREAM WILL
SLIDE ACROSS THE TURTLE MOUNTAINS THROUGH 00Z SUNDAY. BEST JET
DYNAMICS RESIDES EAST OF THE TURTLE MOUNTAINS...
LATER TODAY...
A DEEP CYCLONE WEST OF HUDSON BAY WILL SEND A
SURFACE COLD FRONT INTO SOUTHERN MANITOBA BY 18Z TODAY AND INTO
NORTHERN NORTH DAKOTA BETWEEN 18Z AND 00Z
ON SUNDAY...
DEEP LOW CENTERED OVER WRN ONTARIO CONTINUES ITS
SOUTHERLY PROGRESSION TOWARDS NRN MINNESOTA. MODELS HAVE BEEN PRETTY
CONSISTENT HOW THEY HAVE HANDLED THIS SYSTEM...
PRIMARY PUSH OF COLD AIR WILL COME LATE SUNDAY NIGHT INTO EARLY
MONDAY MORNING. HIGH TEMPERATURES ACROSS THE STATE ARE EXPECTED TO
BE IN THE 60S...ABOUT 20 DEGREES BELOW AVERAGE OVER MANY LOCATIONS.
LOW CONTINUES ITS SOUTHERLY DIVE BEFORE IT STARTS TO TAKE AN
EASTERLY TRACK OVER THE GREAT LAKES REGION
BY TUESDAY...REGION WILL BE IN
NORTHWESTERLY FLOW ALOFT BETWEEN
AFOREMENTIONED LOW SCOOTING OFF TO THE EAST AND RIDGE OVER WESTERN
CONUS...WHILE HIGH PRESSURE REMAINS AT THE SURFACE. DRY CONDITIONS
WITH A BIT MILDER TEMPERATURES EXPECTED.
Current map...
Cold front swinging towards U.S. Wish I had July afternoon temps in the 40s and even 50s! I'll even take 60s!
White arrows are the direction the Upper Level Low will take. Current one will curl towards southern Hudson Bay then a piece will break off and head south towards Great Lakes then curl up and away. Northeast misses the true effects.