373
FOCN45 CWWG 071900
SIGNIFICANT WEATHER DISCUSSION ISSUED BY THE PRAIRIE AND ARCTIC STORM
PREDICTION CENTRE OF ENVIRONMENT CANADA AT 2:00 PM CDT SUNDAY
SEPTEMBER 7 2008.
WARNINGS..GALE WARNING FOR DOLPHIN MARINE REGION.
DISCUSSION...REGION IS DIVIDED WITH LARGE TROF TO THE EAST AND A
RIDGE TO THE WEST. MODIFIED ARCTIC AIR CONTINUES TO FLOOD THE
REGION. EASTERN PRAIRIES REMAIN UNSTABLE IN THE LOWER TROPOSPHERE.
WHILE TCU TO 150 WILL DOMINATE, ISOLATED CB 200 WITH HAIL
TO 10 MM ARE POSSIBLE OVER SE MB.
RIDGE TO THE WEST WITH RESIDENT COOL AIR WILL AGAIN MEAN COOL
OVERNIGHT LOWS TONIGHT ACROSS PARTS OF ALBERTA AND SOUTHERN SK.
WHERE AREAS REMAIN CLEAR THERE IS SOME FROST POTENTIAL. SATELLITE
IMAGERY SHOWING DECENT CLEARING MOVING INTO NORTHWESTERN ALBERTA AND
FROST WARNINGS FOR PARTS OF THE PROVINCE ARE LIKELY. TO THE
SOUTHEAST, CLOUD COVER WILL BE A BIT MORE OF AN ISSUE SO WE'RE
HOLDING OFF WITH ONLY A RISK OF FROST FOR NOW.
SLIGHT CHANCE AGAIN OF WEAK CBS ALONG THE CENTRAL ALBERTA FOOTHILLS
THIS AFTERNOON. CLOUD COVER CURRENTLY OVER THE AREA IS LIMITING
ISOLATION BUT THE SUN SHOULD GET IN THERE TO POP A SMALL CB OR TWO.
END/MCCARTHY/SCHULER
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