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000 

WWUS20 KWNS 152135

SEL4

SPC WW 152135

COZ000-NMZ000-OKZ000-TXZ000-160500-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 834

NWS STORM PREDICTION CENTER NORMAN OK

335 PM MDT FRI AUG 15 2008



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       PARTS OF SOUTHEAST COLORADO

       LARGE PART OF NORTH AND CENTRAL NEW MEXICO

       WESTERN OKLAHOMA PANHANDLE

       SMALL PART OF NORTHERN TEXAS PANHANDLE



EFFECTIVE THIS FRIDAY AFTERNOON AND EVENING FROM 335 PM UNTIL

1100 PM MDT.



HAIL TO 2.5 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 80

MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 95

STATUTE MILES EAST AND WEST OF A LINE FROM 50 MILES WEST

NORTHWEST OF SPRINGFIELD COLORADO TO 50 MILES SOUTHWEST OF CORONA

NEW MEXICO.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU4).



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 833...



DISCUSSION...UNSEASONABLY STRONG UPPER LOW CONTINUES TO MOVE SWD

THRU CENTRAL ROCKIES PROVIDING BOTH SHEAR AND UPWARD MOTION FOR

SEVERE THUNDERSTORM DEVELOPMENT ACROSS WATCH AREA.  STORMS WILL FORM

ON WESTERN EDGE OF MOISTURE/INSTABILITY AXIS FROM CENTRAL NM NEWD.

WITH MLCAPES AOA 1500 J/KG AND 30-40 KT OF SHEAR...SUPERCELLS WILL

BE POSSIBLE ENHANCING BOTH LARGE HAIL AND WIND DAMAGE POTENTIAL AS

THEY MOVE E/SEWD ACROSS WATCH THRU THE EVENING.



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

TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 70

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

MOTION VECTOR 29025.





...HALES

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