URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE NORTHERN INDIANA
410 PM EST THU FEB 23 2012
...POTENTIAL FOR HEAVY WET SNOW TONIGHT INTO FRIDAY MORNING
ACROSS FAR NORTHERN INDIANA AND SOUTHERN LOWER MICHIGAN...
.A STORM SYSTEM MOVING OUT OF THE CENTRAL PLAINS WILL APPROACH THE
SOUTHERN GREAT LAKES REGION LATE TONIGHT. INCREASED MOISTURE WILL
LIFT NORTHWARD AHEAD OF THIS SYSTEM ALLOWING FOR INCREASED
COVERAGE OF RAIN EARLY THIS EVENING. RAIN WILL BECOME MIXED WITH
SNOW BY MID TO LATE EVENING...AND CHANGE TO ALL SNOW DURING THE
OVERNIGHT HOURS ACROSS FAR NORTHERN INDIANA INTO SOUTHERN LOWER
MICHIGAN.
THERE IS THE POTENTIAL OF 3 TO 7 INCHES OF SNOW WITH THIS SYSTEM
ESPECIALLY ALONG AND NORTH OF THE INDIANA TOLL ROAD. THE BULK OF
THE HEAVIEST SNOW IS EXPECTED FROM LATE THIS EVENING INTO EARLY
FRIDAY MORNING...EXCEPT FOR SOME LAKE EFFECT SNOWFALL REMAINING
DOWNWIND OF LAKE MICHIGAN INTO FRIDAY NIGHT WHERE ADDITIONAL
SNOW ACCUMULATIONS WILL BE POSSIBLE. THERE IS THE POTENTIAL THAT
RAIN MIXING WITH THE SNOW FOR A LONGER DURATION MAY LIMIT STORM
TOTAL SNOWFALL ACCUMULATIONS ESPECIALLY SOUTH OF THE INDIANA TOLL
ROAD.
KEEP ABREAST OF THE LATEST INFORMATION REGARDING THIS POTENTIAL
WINTER STORM VIA LOCAL MEDIA...NOAA WEATHER RADIO OR ONLINE AT
WEATHER.GOV/IWX.
...WINTER WEATHER ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO
1 PM EST FRIDAY...
THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS ISSUED A
WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM 10 PM
THIS EVENING TO 1 PM EST FRIDAY. THE WINTER STORM WATCH IS NO
LONGER IN EFFECT.
HAZARDOUS WEATHER...
* TIMING...RAIN ACROSS SOUTHERN LOWER MICHIGAN THIS EVENING WILL
BECOME MIXED WITH SNOW LATE THIS EVENING...EVENTUALLY CHANGING
TO ALL SNOW OVERNIGHT. PERIODS OF MODERATE TO OCCASIONALLY
HEAVY SNOW ARE EXPECTED ESPECIALLY DURING THE OVERNIGHT HOURS.
SNOW WILL BEGIN TO TAPER OFF IN INTENSITY BY MID MORNING FRIDAY
AS THE SYSTEM PULLS OFF TO THE NORTHEAST.
* STORM TOTAL SNOWFALL ACCUMULATIONS OF 3 TO 7 INCHES ARE
EXPECTED BY LATE MORNING FRIDAY.
* SOME UNCERTAINTY REMAINS WITH THE TIMING OF THE CHANGEOVER FROM
RAIN TO SNOW WHICH WILL IMPACT STORM TOTAL SNOWFALL AMOUNTS.
IMPACTS...
* HEAVY WET SNOW MAY FALL AT RATES GREATER THAN AN INCH PER HOUR
LATE TONIGHT RESULTING IN QUICK ACCUMULATIONS OF WET SNOW ON
AREA ROADWAYS. THIS WILL LIKELY RESULT IN SLIPPERY AND
POTENTIALLY HAZARDOUS TRAVEL CONDITIONS.
* FRIDAY MORNING COMMUTE DELAYS ARE LIKELY.
* NORTHWEST WINDS WILL INCREASE ON FRIDAY RESULTING IN SOME
BLOWING AND DRIFTING SNOW.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.
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