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URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 127

NWS STORM PREDICTION CENTER NORMAN OK

725 PM CDT WED MAY 7 2014



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  CENTRAL NEBRASKA



* EFFECTIVE THIS WEDNESDAY NIGHT AND THURSDAY MORNING FROM 725 PM

  UNTIL 100 AM CDT.



* PRIMARY THREATS INCLUDE...

  ISOLATED VERY LARGE HAIL EVENTS TO 2 INCHES IN DIAMETER POSSIBLE

  ISOLATED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 55

STATUTE MILES NORTH AND SOUTH OF A LINE FROM 15 MILES NORTH

NORTHWEST OF NORTH PLATTE NEBRASKA TO 40 MILES SOUTH SOUTHEAST OF

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

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU7).



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 122...WW 123...WW

124...WW 125...WW 126...



DISCUSSION...ONGOING SUPERCELL CLUSTER WILL LIKELY PERSIST FOR A FEW

MORE HOURS WHILE MOVING NEWD INTO THE MOIST AXIS ON THE COOL SIDE OF

A SURFACE FRONT.  STEEP MIDLEVEL LAPSE RATES AND STRONG DEEP-LAYER

VERTICAL SHEAR WILL MAINTAIN A RISK FOR LARGE HAIL AND DAMAGING

WINDS.



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 24025.





...THOMPSON

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