Skip Navigation Links weather.gov 
NOAA logo-Select to go to the NOAA homepage NOAA's National Weather Service   Select to go to the NWS homepage
Storm Prediction Center
navigation bar left  
  navigation bar end cap


 
USA.gov is the U.S. Government's official Web portal to all Federal, state and local government Web resources and services.

Severe Thunderstorm Watch 476
< Previous WW          Next WW >
  | | | | | |  
WW0476 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Low Very Low
Severe Wind 65 kt+ Wind
Moderate Low
Severe Hail 2"+ Hail
Moderate 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.
   SEL6
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 476
   NWS STORM PREDICTION CENTER NORMAN OK
   415 AM EDT FRI JUN 19 2009
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
   
          NORTHERN AND EASTERN INDIANA
          SOUTHERN LOWER MICHIGAN
          WESTERN AND CENTRAL OHIO
          LAKE ERIE
   
   EFFECTIVE THIS FRIDAY MORNING FROM 415 AM UNTIL NOON EDT.
   
   HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
   MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
   
   THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 90
   STATUTE MILES EAST AND WEST OF A LINE FROM 25 MILES WEST
   NORTHWEST OF JACKSON MICHIGAN TO 25 MILES SOUTH SOUTHEAST OF
   DAYTON OHIO.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
   ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU6).
   
   REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
   FAVORABLE FOR 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. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY
   DO PRODUCE TORNADOES.
   
   OTHER WATCH INFORMATION...CONTINUE...WW 471...WW 472...WW
   473...WW 474...WW 475...
   
   DISCUSSION...FORWARD-PROPAGATING/BOW MCS NOW CROSSING SW LWR MI/NW
   IND EXPECTED TO CONTINUE JUST S OF E AT ABOUT 30-35 KTS.  SYSTEM MAY
   ACCELERATE A BIT AS IT INGESTS WARM FRONTAL STORMS FORMING OVER NE
   IND/NW OH.  WHILE BOUNDARY LAYER E OF THESE STORMS REMAINS
   RELATIVELY STABLE...AREA VWPS SHOW 30-40 KT WLY LLJ ACROSS IL/IND
   THAT WILL DESTABILIZE LAYER JUST OFF THE SFC AND MAY SUPPORT A SVR
   RISK EWD INTO CNTRL OH TOWARD MID MORNING.  A LOW PROBABILITY RISK
   WILL EXIST FOR A SHORT-LIVED TORNADO WITH ANY SUSTAINED STORMS ALONG
   WARM FRONT...BUT THREAT DOES NOT APPEAR GREAT ENOUGH ATTM TO WARRANT
   A TORNADO WATCH.
   
   AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
   TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
   KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM
   MOTION VECTOR 28035.
   
   
   ...CORFIDI
Top of Page/Status Messages for this watch/All Current Watches/Forecast Products/Home
Weather Topics:
Watches, Mesoscale Discussions, Outlooks, Fire Weather, All Products, Contact Us
NOAA / National Weather Service
National Centers for Environmental Prediction
Storm Prediction Center
120 David L. Boren Blvd.
Norman, OK 73072 U.S.A.
spc.feedback@noaa.gov
Page last modified: June 19, 2009		 Disclaimer
Information Quality
Credits
Glossary 		Privacy Policy
Freedom of Information Act (FOIA)
About Us
Career Opportunities