

219 

WWUS20 KWNS 212250

SEL0

SPC WW 212250

COZ000-KSZ000-NEZ000-220600-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 170

NWS STORM PREDICTION CENTER NORMAN OK

450 PM MDT WED MAY 21 2014



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  NORTHEAST COLORADO

  WESTERN KANSAS

  FAR SOUTHWEST NEBRASKA



* EFFECTIVE THIS WEDNESDAY AFTERNOON FROM 450 PM UNTIL MIDNIGHT

  MDT.



* PRIMARY THREATS INCLUDE...

  SCATTERED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE

  ISOLATED VERY LARGE HAIL EVENTS TO 2.5 INCHES IN DIAMETER

    POSSIBLE

  A TORNADO OR TWO POSSIBLE



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 60

STATUTE MILES EAST AND WEST OF A LINE FROM 45 MILES SOUTH

SOUTHWEST OF BURLINGTON COLORADO TO 55 MILES NORTHWEST OF

IMPERIAL NEBRASKA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU0).



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 164...WW 165...WW

166...WW 167...WW 168...WW 169...



DISCUSSION...TSTMS WILL SPREAD ACROSS THE WATCH AREA FROM THE WEST

AND SOUTHWEST LATE THIS AFTERNOON AND EVENING WITH PRIMARY HAZARDS

BEING LARGE HAIL AND DAMAGING WIND GUSTS. A TORNADO OR TWO IS

POSSIBLE WITH ANY SUPERCELLS THAT CAN REMAIN DISPLACED FROM THE COLD

POOLS OF THE ONGOING STORMS.



AVIATION...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 24025.





...MEAD

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