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Severe Thunderstorm Watch 601
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WW0601 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Low Very Low
Severe Wind 65 kt+ Wind
Moderate Moderate
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.
   SEL1
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 601
   NWS STORM PREDICTION CENTER NORMAN OK
   245 PM CDT SAT JUL 18 2009
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
   
          PARTS OF SOUTHEAST COLORADO
          LARGE PART OF EASTERN NEW MEXICO
          PARTS OF OKLAHOMA PANHANDLE
          PARTS OF TEXAS PANHANDLE
   
   EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 245 PM UNTIL
   1000 PM CDT.
   
   HAIL TO 2.5 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
   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 35 MILES NORTH
   NORTHWEST OF LA JUNTA COLORADO TO 65 MILES SOUTH OF CANNON AFB
   NEW MEXICO.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
   ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU1).
   
   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.
   
   DISCUSSION...THUNDERSTORMS EXPECTED TO INCREASE IN NUMBER/INTENSITY
   OVER HIGHER TERRAIN AND MOVE SEWD ACROSS THE HIGH PLAINS.  40-50KT
   OF DEEP LAYER SHEAR...STEEP LAPSE RATES AND MLCAPES TO 1500 J/KG
   SUPPORT SUPERCELL POTENTIAL.  LARGE HAIL AND DOWNBURSTS WINDS WILL
   BE ASSOCIATED WITH ANY SUPERCELL AND AS STORMS DEVELOP INTO
   CLUSTERS...WIND DAMAGE WILL INCREASE BY THIS EVENING AS ACTIVITY
   DEVELOPS SEWD ACROSS THE WATCH
   
   AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
   TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
   KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550. MEAN STORM
   MOTION VECTOR 33025.
   
   
   ...HALES
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Page last modified: July 19, 2009
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