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.

Particularly Dangerous Situation (PDS) Severe Thunderstorm Watch 491
Initial RADAR image for Watch 491
List of Counties in Watch 491 (WOU)
Related md1372 for watch 491
Note: The Watch Probability Tables are non-operational.
< Previous WW          Next WW >
Note:  The parallelogram is only an approximation to the watch, the actual watch is defined by the outlines of the counties contained in it.
   SEL1
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 491...RESENT
   NWS STORM PREDICTION CENTER NORMAN OK
   930 PM CDT THU JUN 16 2005
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
   
          MUCH OF OKLAHOMA
   
   EFFECTIVE THIS THURSDAY NIGHT AND FRIDAY MORNING FROM 930 PM UNTIL
   500 AM CDT.
   
   ...THIS IS A PARTICULARLY DANGEROUS SITUATION...
   
   EXTREMELY DAMAGING THUNDERSTORM WIND GUSTS TO 90 MPH...LARGE HAIL
   TO 2 INCHES IN DIAMETER...AND DANGEROUS LIGHTNING ARE POSSIBLE IN
   THESE AREAS.
   
   THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 105
   STATUTE MILES NORTH AND SOUTH OF A LINE FROM 45 MILES SOUTH
   SOUTHWEST OF GAGE OKLAHOMA TO 40 MILES NORTH NORTHEAST OF
   MCALESTER OKLAHOMA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
   ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU1).
   
   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 487...WW 488...WW 489...WW
   490...
   
   DISCUSSION...INTENSE LINE OF THUNDERSTORMS OVER NORTHWEST OK WILL
   TRACK SOUTHEASTWARD ACROSS THE STATE DURING THE NEXT SEVERAL HOURS. 
   STORMS HAVE ORGANIZED INTO MULTIPLE BOW ECHOES...AND WILL LIKELY
   MAINTAIN INTENSITY THROUGH THE EARLY MORNING HOURS.  GIVEN EXTREME
   INSTABILITY AND MESOSCALE ORGANIZATION OF STORMS...POTENTIAL EXISTS
   FOR A DERECHO WITH WIDESPREAD DAMAGING WINDS.
   
   AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
   TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 80
   KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM
   MOTION VECTOR 31040.
   
   
   ...HART
   
   
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: January 18, 2006
Disclaimer
Information Quality
Help
Glossary
Privacy Policy
Freedom of Information Act (FOIA)
About Us
Career Opportunities