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Tornado Watch 412
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WW0412 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Moderate Low
Severe Wind 65 kt+ Wind
Moderate Very Low
Severe Hail 2"+ Hail
Low Very Low

Note:  The expiration time in the watch graphic is amended if the watch is replaced, cancelled or extended.
Note: Click for Watch Status Reports.
   SEL2

   URGENT - IMMEDIATE BROADCAST REQUESTED
   TORNADO WATCH NUMBER 412
   NWS STORM PREDICTION CENTER NORMAN OK
   950 PM CDT SAT JUL 12 2014

   THE NWS STORM PREDICTION CENTER HAS ISSUED A

   * TORNADO WATCH FOR PORTIONS OF 
     NORTHERN ILLINOIS
     NORTHWEST INDIANA
     LAKE MICHIGAN

   * EFFECTIVE THIS SATURDAY NIGHT AND SUNDAY MORNING FROM 950 PM
     UNTIL 100 AM CDT.

   * PRIMARY THREATS INCLUDE...
     A COUPLE TORNADOES POSSIBLE
     SCATTERED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE
     ISOLATED LARGE HAIL EVENTS TO 1 INCH IN DIAMETER POSSIBLE

   THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 85 STATUTE
   MILES EAST AND WEST OF A LINE FROM 55 MILES WEST NORTHWEST OF
   BENTON HARBOR MICHIGAN TO 40 MILES SOUTHWEST OF PEORIA ILLINOIS. 
   FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
   OUTLINE UPDATE (WOUS64 KWNS WOU2).

   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.

   &&

   OTHER WATCH INFORMATION...CONTINUE...WW 411...

   DISCUSSION...WDLY SCTD TSTMS/TSTM CLUSTERS IN NW IL EXPECTED TO
   CONTINUE E ACROSS THE REMAINDER OF NRN IL THROUGH EARLY SUN. WHILE
   MID-LVL LAPSE RATES WILL REMAIN MODEST...SUFFICIENT SFC-BASED
   BUOYANCY APPEARS PRESENT TO SUPPORT CONTINUED REDEVELOPMENT OF STORM
   UPDRAFTS EWD INTO THE CHICAGO AREA. STRENGTH OF LOW-LVL
   SHEAR...QUALITY OF LOW-LVL MOISTURE...AND SMALL TEMPERATURE-DEWPOINT
   SPREADS SUGGEST A RISK FOR OCCASIONAL LOW-LVL MESOCYCLONES/POSSIBLE
   TORNADOES...IN ADDITION TO SMALL BOWING SEGMENTS WITH DMGG WIND.

   AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
   SURFACE AND ALOFT TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND
   GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500.
   MEAN STORM MOTION VECTOR 28035.


   ...CORFIDI
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Page last modified: July 13, 2014
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