A Frost Advisory has been issued by the National Weather Service:
URGENT – WEATHER MESSAGE
NATIONAL WEATHER SERVICE NORTHERN INDIANA
339 PM EDT THU OCT 21 2010…AREAS OF FROST EXPECTED OVERNIGHT…
.SURFACE HIGH PRESSURE WILL BUILD INTO THE REGION TONIGHT RESULTING IN DIMINISHING WINDS. IN ADDITION…SKIES WILL CLEAR TONIGHT PROVIDING STRONG RADIATIONAL COOLING CONDITIONS. LOW TEMPERATURES ARE EXPECTED TO DROP INTO THE LOWER TO MID 30S ACROSS MUCH OF THE AREA ALLOWING FOR FROST FORMATION. SENSITIVE PLANTS SHOULD BE COVERED OR BROUGHT INDOORS.
[…] …FROST ADVISORY IN EFFECT FROM 2 AM EDT /1 AM CDT/ TO 9 AM EDT /8 AM CDT/ FRIDAY…
THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS ISSUED A FROST ADVISORY…WHICH IS IN EFFECT FROM 2 AM EDT /1 AM CDT/ TO
9 AM EDT /8 AM CDT/ FRIDAY.* TEMPERATURE…LOW TEMPERATURES WILL DROP INTO THE LOWER TO MID 30S.
* IMPACTS…SENSITIVE PLANTS SHOULD BE COVERED OR BROUGHT INDOORS TO BE PROTECTED FROM FROST FORMATION.
PRECAUTIONARY/PREPAREDNESS ACTIONS…
A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED.