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422 

WWUS20 KWNS 190310

SEL0

SPC WW 190310

MNZ000-190900-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 330

NWS STORM PREDICTION CENTER NORMAN OK

1010 PM CDT WED JUN 18 2014



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* TORNADO WATCH FOR PORTIONS OF

  SOUTH-CENTRAL AND SOUTHWESTERN MINNESOTA



* EFFECTIVE THIS WEDNESDAY NIGHT AND THURSDAY MORNING FROM 1010

  PM UNTIL 400 AM CDT.



* PRIMARY THREATS INCLUDE...

  A COUPLE TORNADOES POSSIBLE

  ISOLATED VERY LARGE HAIL EVENTS TO 2.5 INCHES IN DIAMETER

    POSSIBLE

  ISOLATED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 55 STATUTE

MILES EAST AND WEST OF A LINE FROM 5 MILES SOUTH SOUTHWEST OF

FAIRMONT MINNESOTA TO 30 MILES NORTH NORTHEAST OF ORTONVILLE

MINNESOTA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU0).



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 326...WW 327...WW

328...WW 329...



DISCUSSION...RAPIDLY DEVELOPING TSTMS N OF SFC WARM FRONT STILL

RESIDE IN FAVORABLY UNSTABLE AIR MASS WITH STG LOW-LEVEL SHEAR...AND

MAY CONTINUE TO OFFER RISK FOR BRIEF TORNADOES ALONG WITH LARGE HAIL

AND SVR GUSTS.  MEANWHILE ADDITIONAL DEVELOPMENT AND/OR EXISTING

CONVECTION OVER ERN SD MAY MOVE INTO THIS WW AREA WITH SVR RISK OVER

NEXT SEVERAL HOURS.  REF SPC MESOSCALE DISCUSSION 1077 FOR

ADDITIONAL/INITIAL DETAILS.



AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL

SURFACE AND ALOFT TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE

WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO

500. MEAN STORM MOTION VECTOR 23025.





...EDWARDS

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