Sunday, March 20, 2011

Severe weather possible for portions of Northern Illinois today, and a possible
greater risk for Tuesday.  The Storm Prediction Center has western IL highlighted
as a potential risk area for today, for Hail and Damaging Wind Gusts in excess
of 60MPH.
Details below... 
 
 
.DAY ONE...TODAY AND TONIGHT.

  WEATHER HAZARDS EXPECTED:

  HAIL UP TO AN INCH.
  WIND GUSTS IN EXCESS OF 60 MPH.

  AREAS AFFECTED AND TIMING:

  ALTHOUGH SHOWERS AND THUNDERSTORMS WILL BE ONGOING ACROSS MUCH
  OF THE AREA TODAY...THE GREATER THREAT FOR STRONG TO SEVERE
  THUNDERSTORMS WILL BE FOR AREAS ALONG AND WEST OF INTERSTATE 39
  LATER THIS AFTERNOON THROUGH THE EARLY EVENING HOURS.

  DISCUSSION:

  A WEAK AREA OF LOW PRESSURE WILL DEVELOP ACROSS THE CENTRAL
  PLAINS AND SHIFT NORTHEAST ACROSS THE REGION TODAY. AS THIS
  OCCURS...SHOWERS AND THUNDERSTORMS WILL DEVELOP OUT AHEAD OF AN
  ASSOCIATED COLD FRONT IN A WARMER AND MORE UNSTABLE ENVIRONMENT
  AND MOVE EAST INTO WESTERN ILLINOIS BEFORE WEAKENING AS THEY
  PROGRESS TO THE EAST.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

SHOWERS AND THUNDERSTORMS WILL BE POSSIBLE MONDAY NIGHT INTO
TUESDAY. WITH SEVERAL CHANCES FOR SHOWERS AND THUNDERSTORMS THIS
WEEK...TOTAL RAINFALL AMOUNTS COULD POSSIBLY REACH ONE TO TWO
INCHES WITH LOCALLY HIGHER AMOUNTS POSSIBLE. CONDITIONS WILL NEED
TO BE MONITORED FOR RISES ON AREA STREAMS AND RIVERS WHICH COULD
LEAD TO RENEWED FLOODING PROBLEMS.

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