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 675
< Previous WW          Next WW >
  | | | | | |  
WW0675 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Very Low Very Low
Severe Wind 65 kt+ Wind
Low 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.
   SEL5
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 675
   NWS STORM PREDICTION CENTER NORMAN OK
   1015 PM CDT FRI AUG 7 2009
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
   
          CENTRAL INTO NORTHERN IOWA
          SOUTHERN INTO CENTRAL MINNESOTA
   
   EFFECTIVE THIS FRIDAY NIGHT AND SATURDAY MORNING FROM 1015 PM
   UNTIL 500 AM CDT.
   
   HAIL TO 2 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 75
   STATUTE MILES EAST AND WEST OF A LINE FROM 50 MILES SOUTHEAST OF
   FORT DODGE IOWA TO 35 MILES NORTH OF REDWOOD FALLS MINNESOTA. 
   FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
   OUTLINE UPDATE (WOUS64 KWNS WOU5).
   
   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 672...WW 673...WW 674...
   
   DISCUSSION...THUNDERSTORMS WILL INCREASE IN COVERAGE AND INTENSITY
   ALONG NOSE OF STRENGTHENING LLJ OVERNIGHT...AS ELEVATED INSTABILITY
   REMAINS QUITE STRONG.  THE MAJORITY OF THESE STORMS WILL REMAIN
   ELEVATED... ALTHOUGH SUFFICIENT DEEP LAYER SHEAR WILL BE IN PLACE
   FOR SUPERCELLS AND INCREASE THE RISK OF LARGE HAIL.  ISOLATED WIND
   DAMAGE IS ALSO POSSIBLE WITH THE MORE ORGANIZED STORMS THROUGH MUCH
   OF THE NIGHT.  ACTIVITY MAY CONSOLIDATE INTO A LARGER MCS AND SPREAD
   TOWARDS THE UPPER MS RIVER VALLEY.
   
   AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
   TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
   KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM
   MOTION VECTOR 25025.
   
   
   ...EVANS
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: August 08, 2009		 Disclaimer
Information Quality
Credits
Glossary 		Privacy Policy
Freedom of Information Act (FOIA)
About Us
Career Opportunities