PDS Tornado Watch Issued For The Majority Of Indiana

The Storm Prediction Center has issued a PDS Tornado Watch for the majority of Indiana until 8:00pm EST.

URGENT - IMMEDIATE BROADCAST REQUESTED
   TORNADO WATCH NUMBER 562
   NWS STORM PREDICTION CENTER NORMAN OK
   1120 AM EST SUN NOV 17 2013

   THE NWS STORM PREDICTION CENTER HAS ISSUED A

   * TORNADO WATCH FOR PORTIONS OF 
     INDIANA
     FAR NORTHERN KENTUCKY
     LOWER MICHIGAN
     WESTERN OHIO
     LAKE HURON
     LAKE MICHIGAN

   * EFFECTIVE THIS SUNDAY MORNING AND EVENING FROM 1120 AM UNTIL
     800 PM EST.

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

   * PRIMARY THREATS INCLUDE...
     SEVERAL INTENSE TORNADOES LIKELY
     NUMEROUS DAMAGING WIND GUSTS LIKELY WITH SEVERAL SIGNIFICANT
       GUSTS TO 80 MPH POSSIBLE
     SEVERAL LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER LIKELY

   THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 90 STATUTE
   MILES EAST AND WEST OF A LINE FROM 40 MILES SOUTHEAST OF
   BLOOMINGTON INDIANA TO 55 MILES NORTHWEST OF SAGINAW MICHIGAN. 
   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 561...

   DISCUSSION...THUNDERSTORMS RAPIDLY DEVELOPING OVER IL AND WI ARE
   EXPECTED TO SPREAD EAST/NORTHEAST ACROSS THE WATCH AREA TODAY IN
   CONJUNCTION WITH AN INTENSE LARGE-SCALE WEATHER SYSTEM.  GIVEN THE
   COMBINATION OF MODERATE INSTABILITY AND VERY STRONG VERTICAL
   SHEAR...SUPERCELLS AND BOWING STRUCTURES APPEAR LIKELY WITH A RISK
   FOR LONG-TRACKED...SIGNIFICANT TORNADOES...CORRIDORS OF WIND DAMAGE
   AND LARGE HAIL.

   AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
   SURFACE AND ALOFT TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE
   WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
   500. MEAN STORM MOTION VECTOR 24055.


   ...MEAD

Watch outline and probabilities. Click images to enlarge.