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SEPTEMBER 13 , 2005

SEVERE THUNDERSTORMS

A cluster of severe thunderstorms moves across northern Illinois. There are no photos associated with this event, however we do have a radar clip showing a meso cyclone near Stillman Valley. The group of storms did not drop a tornado to our knowledge however several severe thunderstorm warnings were with this system.

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
603 PM CDT TUE SEP 13 2005

THE NATIONAL WEATHER SERVICE IN ROMEOVILLE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  BOONE COUNTY IN NORTH CENTRAL ILLINOIS
  NORTHERN DE KALB COUNTY IN NORTH CENTRAL ILLINOIS
  SOUTHEASTERN WINNEBAGO COUNTY IN NORTH CENTRAL ILLINOIS
  MCHENRY COUNTY IN NORTHEAST ILLINOIS

* UNTIL 700 PM CDT

* AT 603 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM LOCATED NEAR OREGON...MOVING NORTHEAST 50 MPH.
  THIS STORM IS CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60
  MPH...WHICH CAN KNOCK DOWN LIMBS AND POWER LINES...DAMAGE WEAK
  STRUCTURES...AND PUSH TRUCKS OFF THE HIGHWAY.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  CHERRY VALLEY BY 615 PM...
  BELVIDERE BY 625 PM...
  MARENGO BY 640 PM...
  WOODSTOCK BY 650 PM...
  WONDER LAKE BY 655 PM...
  MCCULLOM LAKE BY 700 PM...

THIS STORM HAS A HISTORY OF PRODUCING DAMAGING WINDS AND BLOWING
DOWN TREE LIMBS AND POWER LINES. MOVE INSIDE A STURDY SHELTER NOW
AND STAY AWAY FROM WINDOWS.

SPC storm reports for the day : http://www.spc.noaa.gov/climo/reports/050913_rpts.html