Sunday, November 17, 2013

PDS Tornado Watch - Illinois, Wisconsin, Indiana

URGENT - IMMEDIATE BROADCAST REQUESTED
   TORNADO WATCH NUMBER 561
   NWS STORM PREDICTION CENTER NORMAN OK
   840 AM CST SUN NOV 17 2013

   THE NWS STORM PREDICTION CENTER HAS ISSUED A

   * TORNADO WATCH FOR PORTIONS OF
     EASTERN IOWA
     ILLINOIS
     NORTHWEST INDIANA
     NORTHEAST MISSOURI
     SOUTHEAST WISCONSIN
     LAKE MICHIGAN

   * EFFECTIVE THIS SUNDAY MORNING AND AFTERNOON FROM 840 AM UNTIL
     400 PM CST.

   ...THIS IS A PARTICULARLY DANGEROUS SITUATION...

   * PRIMARY THREATS INCLUDE...
     SEVERAL INTENSE TORNADOES LIKELY
     SEVERAL LARGE HAIL EVENTS LIKELY WITH A FEW VERY LARGE HAIL
       EVENTS TO 2 INCHES IN DIAMETER POSSIBLE
     SEVERAL DAMAGING WIND GUSTS WITH A FEW SIGNIFICANT GUSTS TO 80
       MPH POSSIBLE

   THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 100 STATUTE
   MILES EAST AND WEST OF A LINE FROM 25 MILES SOUTH SOUTHEAST OF
   SCOTT AFB ILLINOIS TO 40 MILES NORTHEAST OF MADISON WISCONSIN.
   FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
   OUTLINE UPDATE (WOUS64 KWNS WOU1).

   PRECAUTIONARY/PREPAREDNESS ACTIONS...

   REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
   TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
   AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
   THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
   AND POSSIBLE WARNINGS.

   &&

   DISCUSSION...ONE OR MORE BROKEN BANDS OF SUPERCELLS ARE EXPECTED TO
   DEVELOP THIS MORNING AND RAPIDLY SPREAD EAST/NORTHEAST ACROSS THE
   WATCH AREA TODAY.  GIVEN THE COMBINATION OF MODERATE INSTABILITY AND
   VERY STRONG VERTICAL SHEAR...CONDITIONS WILL BE FAVORABLE FOR LONG
   TRACKED...SIGNIFICANT TORNADOES.  LARGE HAIL AND CORRIDORS OF WIND
   DAMAGE WILL ALSO BE LIKELY.

   AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
   SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE
   WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
   500. MEAN STORM MOTION VECTOR 24050.

1 comment:

Anonymous said...

I think that I remember seeing that you're in the Chicago area. Hope you're safe!