Saturday, July 2, 2011

Hazardous Weather Outlook

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL ILLINOIS...
NORTHEAST ILLINOIS AND NORTHWEST INDIANA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

WEATHER HAZARDS EXPECTED:

THUNDERSTORMS...A FEW MAY PRODUCE:
HAIL TO ONE INCH.
STRONG DAMAGING WIND GUSTS TO 60 MPH.

AREAS AFFECTED AND TIMING:

THERE IS A CHANCE OF THUNDERSTORMS TODAY...MAINLY IN THE
AFTERNOON AND MAINLY EAST OF INTERSTATE 55. COVERAGE IS NOT
EXPECTED TO BE WIDESPREAD...BUT A FEW OF THE STORMS COULD
BECOME SEVERE.

DISCUSSION:

A COLD FRONT EXTENDING FROM FAR SOUTHEAST WISCONSIN...AND NORTH
CENTRAL AND WEST CENTRAL ILLINOIS LATE THIS MORNING WILL MOVE
THROUGH NORTHEAST ILLINOIS AND NORTHWEST INDIANA THIS AFTERNOON.
WARM HUMID AIR AHEAD OF THE FRONT WILL BECOME UNSTABLE ENOUGH TO
TRIGGER SOME THUNDERSTORMS...A FEW WHICH MAY BE SEVERE. THE COLD
FRONT IS EXPECTED TO LINGER ACROSS PARTS OF NORTHWEST INDIANA AND
EAST CENTRAL ILLINOIS EARLY TONIGHT KEEPING THE THREAT OF
THUNDERSTORMS GOING IN THESE AREAS THROUGH EARLY THIS EVENING.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

THE THREAT OF THUNDERSTORMS WILL INCREASE AGAIN INTO THE MIDDLE
AND END OF NEXT WEEK.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON AND EARLY THIS
EVENING.

&&

COMPLETE FORECAST INFORMATION IS AVAILABLE ON THE NWS CHICAGO
WEBPAGE: WEATHER.GOV/CHICAGO