Regional Weather Summary
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000
AWUS83 KMKX 311152
RWSWI
WIZ001>074-312230-

WISCONSIN WEATHER SUMMARY
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
530 AM CST SAT JAN 31 2015

.YESTERDAY...

HIGH PRESSURE WAS IN CONTROL OVER WISCONSIN FRIDAY...KEEPING
CONDITIONS QUIET BUT COLD. SOME LIGHT LAKE EFFECT SNOW OCCURRED OVER
SOUTHERN WISCONSIN VERY EARLY FRIDAY...WITH VERY LITTLE SNOW AMOUNTS
FALLING. SKIES WERE PARTLY TO MOSTLY SUNNY ACROSS THE STATE. HIGH
TEMPERATURES WERE SLIGHTLY BELOW NORMAL VALUES...WITH HIGHS RANGING
FROM THE TEENS IN THE NORTHERN PART OF THE STATE TO THE MID TO UPPER
20S IN THE SOUTHERN PART. WINDS BEGAN FROM THE NORTHWEST EARLIER IN
THE DAY...BUT SHIFTED TOWARDS THE SOUTH BY THE EVENING HOURS. WIND
SPEEDS RANGED BETWEEN 5 AND 15 MILES PER HOUR.

.OVERNIGHT...

A WEAK LOW PRESSURE SYSTEM BROUGHT LIGHT SNOW TO UPPER MICHIGAN AND
FAR NORTHERN WISCONSIN DURING THE EVENING. CLEAR SKIES PREVAILED
ELSEWHERE DURING THE EVENING... SO TEMPERATURES DROPPED INTO THE
SINGLE DIGITS AND LOWER TEENS ACROSS MUCH OF THE STATE. THEN A DECK
OF LOW TO MID LEVEL CLOUDS SPREAD EASTWARD THROUGH WISCONSIN
OVERNIGHT AND TEMPERATURES ROSE INTO THE LOWER 20S. THE CLOUDS AND
RISING TEMPERATURES WERE IN RESPONSE TO LOW PRESSURE AREAS
APPROACHING FROM THE NORTHERN AND SOUTHERN PLAINS.

.FORECAST...

PLAN ON QUIET WEATHER FOR MOST OF THE STATE TODAY WITH HIGH PRESSURE
OVERHEAD. LAKE EFFECT SNOW SHOWERS FROM LAKE SUPERIOR WILL BE
ONGOING IN NORTHWEST WISCONSIN. HIGHS TODAY WILL RANGE FROM AROUND
20 NORTH TO THE MID 30S SOUTH. OVERNIGHT LOWS WILL RANGE FROM AROUND
ZERO NORTH TO THE LOWER 20S SOUTH.

THEN A VIGOROUS LOW PRESSURE SYSTEM WILL TRACK FROM THE GREAT PLAINS
TO THE OHIO RIVER VALLEY TONIGHT THROUGH SUNDAY NIGHT. THIS TRACK
PLACES SOUTHERN WISCONSIN IN A FAVORABLE POSITION FOR A LONG
DURATION SNOW EVENT DURING THIS TIME. THE GREATEST SNOWFALL AMOUNTS
WITH UP TO 9 INCHES ARE EXPECTED ALONG THE SOUTHERN LAKESHORE WHERE
NORTHEAST WINDS OFF OF LAKE MICHIGAN WILL HELP TO ENHANCE SNOWFALL.
WINDS WILL INCREASE OUT OF THE NORTHEAST LATE TONIGHT AND BECOME
BLUSTERY WITH BLOWING SNOW DURING THE DAY SUNDAY.

LOOK FOR COLDER AIR TO SETTLE OVER THE REGION FOR THE FIRST WEEK OF
FEBRUARY.

$$
JTS/MRC



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