Regional Weather Summary
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AWUS83 KDLH 211653
RWSMN
MNZ001>098-212300-

WEATHER SUMMARY FOR MINNESOTA
NATIONAL WEATHER SERVICE DULUTH MN
1153 AM CDT MON JUL 21 2014

...EXCESSIVE HEAT WARNING THROUGH THIS EVENING FOR THE TWIN
CITIES METRO...
...HEAT ADVISORY THROUGH THIS EVENING FOR MOST OF THE REST OF
MINNESOTA...

AN AREA OF LOW PRESSURE WAS CENTERED OVER WESTERN SOUTH DAKOTA
LATE THIS MORNING...WITH A FRONTAL BOUNDARY EXTENDING NORTHEASTWARD
ACROSS NORTHERN MINNESOTA AND WESTERN ONTARIO. SKIES WERE
GENERALLY MOSTLY SUNNY...WITH A BAND OF CLOUDS FROM FARGO TO NEAR
GRAND MARAIS. SOUTHERLY BREEZES WERE FOUND ONCE AGAIN ACROSS THE
STATE...CARRYING ADDITIONAL MOISTURE INTO THE STATE. DEWPOINTS
WERE IN THE UPPER 60S TO LOW 70S ACROSS THE STATE. AT 11
AM...TEMPERATURES WERE GENERALLY IN THE LOW 80S...WITH A POCKET OF
70S UNDER THE CLOUDS IN PORTIONS OF CENTRAL MINNESOTA. HEAT INDEX
VALUES WERE ALREADY IN THE UPPER 80S AND LOW 90S OVER MUCH OF THE
STATE.

SUNNY...HOT...AND HUMID CONDITIONS WILL CONTINUE THIS AFTERNOON
AHEAD OF THE APPROACHING LOW. THE SUNSHINE AND MOISTURE WILL LEAD
TO STRONG INSTABILITY THIS AFTERNOON AND EARLY THIS
EVENING...SUPPORTING A THREAT OF STRONG AND SEVERE THUNDERSTORMS
OVER ALL BUT FAR SOUTHERN MINNESOTA. THE GREATEST THREAT OF SEVERE
WEATHER IS OVER THE NORTHERN HALF OF THE STATE...WITH WIDESPREAD
DAMAGING WINDS OVER 60 MPH POSSIBLE. THERE IS A SECONDARY THREAT
OF LARGE HAIL...VERY HEAVY RAINFALL...AND A TORNADO CANNOT BE
RULED OUT OVER THE NORTHWEST. TEMPERATURES THIS AFTERNOON WILL
REACH THE UPPER 80S AND LOW 90S. LOWS TONIGHT WILL RANGE FROM THE
LOW 60S NORTHWEST...TO THE LOW 70S SOUTHEAST.

A RIDGE OF HIGH PRESSURE WILL BUILD INTO THE STATE ON
TUESDAY...USHERING IN COOLER AND DRIER CONDITIONS. STORMS MAY
LINGER NORTH DURING THE MORNING. ASIDE FROM THE THUNDERSTORM
AREAS...SKIES SHOULD GENERALLY BE MOSTLY SUNNY TO PARTLY CLOUDY.
HIGHS WILL TOP OUT IN THE UPPER 70S NORTH...TO THE UPPER 80S
SOUTHEAST.

$$

HUYCK




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