The National Weather Service updated their Winter Weather Advisory at noon:
URGENT – WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE NORTHERN INDIANA
1207 PM EST MON FEB 21 2011…WINTER WEATHER ADVISORY FOR NORTHERN INDIANA NORTHWEST OHIO AND THE ADJACENT COUNTIES IN SOUTHERN MICHIGAN TODAY AND TONIGHT…
.LOW PRESSURE OVER THE LOWER OHIO VALLEY WILL MOVE EAST THIS AFTERNOON AND TONIGHT. AN AREA OF SNOW…SLEET…AND FREEZING RAIN WILL CONTINUE TO OVERSPREAD THE ADVISORY AREA EARLY THIS AFTERNOON. THE PRECIPITATION WILL BE MAINLY SNOW NORTH OF INTERSTATE 80 AND MAINLY FREEZING RAIN SOUTH OF ROUTE 30 THIS AFTERNOON…WITH A MIX OF FREEZING RAIN…SLEET…AND SNOW IN BETWEEN. A CHANGEOVER TO ALL SNOW SHOULD GRADUALLY OCCUR FROM NORTH TO SOUTH ACROSS THE AREA BY THIS EVENING. SNOW ACCUMULATIONS OF 2 TO 4 INCHES ARE EXPECTED NORTH OF ROUTE 30 WITH LESSER AMOUNTS TO THE SOUTH. ICE ACCUMULATION WILL BE NEAR A QUARTER INCH SOUTH OF ROUTE 30. ICE ACCRETION ON ROAD SURFACES WILL CAUSE SLIPPERY CONDITIONS AND HAZARDOUS TRAVEL. THERE WILL ALSO BE ICE ACCUMULATIONS ON TREES AND POWER LINES. STAY TUNED TO LOCAL MEDIA OR NOAA WEATHER RADIO FOR UPDATES.
[…] …WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM EST /5 AM CST/ TUESDAY…
A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM EST /5 AM CST/ TUESDAY.
* TIMING…FREEZING RAIN…SLEET…AND SNOW WILL CHANGE TO ALL SNOW THIS AFTERNOON. A PERIOD OF MODERATE TO HEAVY SNOW IS EXPECTED THIS AFTERNOON AND EVENING.
* MAIN IMPACT…THE WINTRY MIX WILL CAUSE ICY ROAD CONDITIONS AND HAZARDOUS TRAVEL.
* SNOWFALL ACCUMULATIONS OF 2 TO 4 INCHES ARE EXPECTED BY TUESDAY MORNING.
PRECAUTIONARY/PREPAREDNESS ACTIONS…
A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW…SLEET…OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES…AND USE CAUTION WHILE DRIVING.
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