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URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 414

NWS STORM PREDICTION CENTER NORMAN OK

425 PM MDT SUN JUL 24 2016



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  NORTHEAST COLORADO

  EXTREME NORTHWEST KANSAS



* EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 425 PM UNTIL

  800 PM MDT.



* PRIMARY THREATS INCLUDE...

  ISOLATED VERY LARGE HAIL EVENTS TO 2 INCHES IN DIAMETER POSSIBLE

  ISOLATED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE



SUMMARY...CLUSTERS OF STRONG/SEVERE STORMS WILL CONTINUE TO DEVELOP

TOWARD THE EAST-SOUTHEAST ACROSS NORTHEAST COLORADO THE NEXT FEW

HOURS.  THE STORM ENVIRONMENT WILL SUPPORT SOME SUPERCELL STRUCTURES

FOR THE FIRST COUPLE OF HOURS...THEN STORMS WILL LIKELY GROW INTO

LARGER CLUSTERS.  LARGE HAIL AND DAMAGING OUTFLOW WINDS WILL BE THE

MAIN THREATS INTO THIS EVENING.



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 55

STATUTE MILES EAST AND WEST OF A LINE FROM 60 MILES NORTH

NORTHWEST OF AKRON COLORADO TO 50 MILES SOUTH SOUTHWEST OF

BURLINGTON COLORADO.  FOR A COMPLETE DEPICTION OF THE WATCH SEE

THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU4).



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.



&&



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 550. MEAN STORM

MOTION VECTOR 28025.





...THOMPSON

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