

579 

WWUS20 KWNS 190038

SEL8

SPC WW 190038

NDZ000-SDZ000-190700-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 328

NWS STORM PREDICTION CENTER NORMAN OK

740 PM CDT WED JUN 18 2014



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* TORNADO WATCH FOR PORTIONS OF

  SOUTHEASTERN NORTH DAKOTA

  NORTHEASTERN SOUTH DAKOTA



* EFFECTIVE THIS WEDNESDAY NIGHT AND THURSDAY MORNING FROM 740 PM

  UNTIL 200 AM CDT.



* PRIMARY THREATS INCLUDE...

  A COUPLE TORNADOES POSSIBLE

  SCATTERED LARGE HAIL AND 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 30 MILES SOUTH SOUTHWEST OF

WATERTOWN SOUTH DAKOTA TO 65 MILES NORTH NORTHEAST OF ABERDEEN

SOUTH DAKOTA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU8).



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 322...WW 323...WW

324...WW 326...WW 327...



DISCUSSION...BKN BAND OF SVR TSTMS WITH INTERMITTENT/EMBEDDED

MESOCYCLONES IS EXPECTED TO PROCEED EWD FROM WW 322 INTO THIS WW.

ENVIRONMENT SHOULD REMAIN FAVORABLE FOR ALL SVR MODES FOR SEVERAL

MORE HOURS GIVEN FAVORABLE STORM-RELATIVE BOUNDARY-LAYER

WINDS...ENLARGED LOW-LEVEL HODOGRAPHS AND LARGE CAPE...EVIDENT IN

00Z ABR RAOB AND FCST SOUNDINGS.



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

600. MEAN STORM MOTION VECTOR 24020.





...EDWARDS

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