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Severe Thunderstorm Watch 408
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WW0408 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Low Very Low
Severe Wind 65 kt+ Wind
Moderate Low
Severe Hail 2"+ Hail
Moderate Moderate

Note:  The expiration time in the watch graphic is amended if the watch is replaced, cancelled or extended.
Note: Click for Watch Status Reports.
   SEL8

   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 408
   NWS STORM PREDICTION CENTER NORMAN OK
   445 PM MDT WED JUL 9 2014

   THE NWS STORM PREDICTION CENTER HAS ISSUED A

   * SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
     NORTHEAST COLORADO
     NORTHWEST KANSAS
     WESTERN...CENTRAL...AND NORTHERN NEBRASKA

   * EFFECTIVE THIS WEDNESDAY AFTERNOON FROM 445 PM UNTIL MIDNIGHT
     MDT.

   * PRIMARY THREATS INCLUDE...
     SCATTERED DAMAGING WIND GUSTS TO 70 MPH LIKELY
     SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 2
       INCHES IN DIAMETER POSSIBLE

   THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 150
   STATUTE MILES EAST AND WEST OF A LINE FROM 15 MILES NORTHWEST OF
   MULLEN NEBRASKA TO 55 MILES WEST SOUTHWEST OF HILL CITY KANSAS. 
   FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
   OUTLINE UPDATE (WOUS64 KWNS WOU8).

   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 407...

   DISCUSSION...TSTMS...INCLUDING OCCASIONAL SUPERCELLS WITH SVR
   HAIL...EXPECTED TO CONTINUE FORMING NE OF FRONT STALLED NW-SE ACROSS
   CNTRL NEB. OTHER STORMS...INCLUDING SUPERCELLS...ALSO MAY FORM LATER
   THIS EVE CLOSER TO THE BOUNDARY IN CNTRL NEB IN RESPONSE TO
   CONTINUED LOW-LVL DESTABILIZATION AND TO ASCENT WITH CNTRL PLNS UPR
   IMPULSE. THESE STORMS ALSO MAY POSE A RISK FOR LARGE HAIL...DMGG
   WIND...AND PERHAPS A TORNADO GIVEN DEGREE OF LOW-LVL BUOYANCY AND
   SIZABLE/CURVED HODOGRAPHS. FINALLY...OTHER STORMS/CLUSTERS EXPECTED
   TO CONTINUE FORMING THROUGH THE EVE IN WEAKLY CONFLUENT/SLIGHTLY
   UPSLOPE FLOW OVER NE CO/WRN NEB.
   EXPECTED NOCTURNAL STRENGTHENING OF MDT...SLY LLJ...AND CONTINUED SE
   MOVEMENT OF UPR IMPULSE...SUGGEST POTENTIAL FOR UPSCALE GROWTH INTO
   AN MCS OR TWO...WITH AN ATTENDANT RISK FOR LOCALLY DMGG WIND/SVR
   HAIL.

   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 31025.


   ...CORFIDI
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Page last modified: July 10, 2014
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