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East metro faces severe storm watch

  • Blog Post by: Paul Douglas
  • May 31, 2013 - 4:14 PM

Severe Risk. NWS Doppler at 4:13 pm shows the strongest storms pushing rapidly east of the St. Croix and Mississippi Rivers, Severe Storm Warnings posted from Durand to Eau Claire.

 

Severe Storm Watch until 10 PM. SPC has issued a Severe Storm Watch for St. Paul's suburbs, far eastern Minnesota and much of Wisconsin until 10 pm. Large hail and damaging winds are possible with these storms. 1"+ hail covered the ground near Roseville and Arden Hills earlier this afternoon. Details from SPC:

URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 261
   NWS STORM PREDICTION CENTER NORMAN OK
   235 PM CDT FRI MAY 31 2013

   THE NWS STORM PREDICTION CENTER HAS ISSUED A

   * SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
     NORTHEAST IOWA
     WESTERN UPPER MICHIGAN
     EASTERN MINNESOTA
     WESTERN AND CENTRAL WISCONSIN
     LAKE SUPERIOR

   * EFFECTIVE THIS FRIDAY AFTERNOON AND EVENING FROM 235 PM UNTIL
     1000 PM CDT.

   * PRIMARY THREATS INCLUDE...
     SEVERAL LARGE HAIL EVENTS LIKELY WITH A FEW VERY LARGE HAIL
       EVENTS TO 2 INCHES IN DIAMETER POSSIBLE
     SEVERAL DAMAGING WIND GUSTS TO 70 MPH POSSIBLE
     A FEW TORNADOES POSSIBLE

   THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 95
   STATUTE MILES EAST AND WEST OF A LINE FROM 30 MILES NORTHWEST OF
   GRAND MARAIS MINNESOTA TO 45 MILES WEST SOUTHWEST OF LONEROCK
   WISCONSIN.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
   ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU1).

   PRECAUTIONARY/PREPAREDNESS ACTIONS...

   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 260...

   DISCUSSION...ISOLATED STRONG TO SEVERE THUNDERSTORMS ARE
   STRENGTHENING OVER EASTERN MN AND WESTERN WI...IN A REGION OF
   MODERATE INSTABILITY AND FAVORABLE SHEAR.  MULTICELL TO A FEW
   SUPERCELL STORMS ARE EXPECTED WITH A RISK OF LARGE HAIL AND DAMAGING
   WINDS.  ISOLATED TORNADOES CANNOT BE RULED OUT THIS
   EVENING...ESPECIALLY OVER PARTS OF SOUTHERN WI WHERE LOW LEVEL
   MOISTURE IS GREATEST.

   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 450. MEAN STORM
   MOTION VECTOR 22025.

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