

443 

WWUS20 KWNS 290334

SEL9

SPC WW 290334

COZ000-290900-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 309

NWS STORM PREDICTION CENTER NORMAN OK

935 PM MDT TUE JUN 28 2016



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  SOUTHEASTERN COLORADO



* EFFECTIVE THIS TUESDAY NIGHT AND WEDNESDAY MORNING FROM 935 PM

  UNTIL 300 AM MDT.



* PRIMARY THREATS INCLUDE...

  SCATTERED DAMAGING WINDS AND ISOLATED SIGNIFICANT GUSTS TO 75

    MPH POSSIBLE

  ISOLATED LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE



SUMMARY...THE WESTERN PORTION OF AN EXTENSIVE LINE OF THUNDERSTORMS

OVER THE CENTRAL GREAT PLAINS WILL POSE THE RISK OF SEVERE WIND...AS

IT MOVES INTO A MORE MOIST ENVIRONMENT AROUND THE ARKANSAS RIVER

VALLEY OF SOUTHEASTERN COLORADO.  SEE SPC MESOSCALE DISCUSSION 1084

FOR INITIAL METEOROLOGICAL REASONING.



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 60

STATUTE MILES EAST AND WEST OF A LINE FROM 70 MILES NORTH OF LA

JUNTA COLORADO TO 25 MILES SOUTHWEST OF SPRINGFIELD COLORADO.

FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU9).



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 307...WW 308...



AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT

TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 65

KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM

MOTION VECTOR 33035.





...EDWARDS

