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Tornado Watch 799
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WW0799 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Moderate Moderate
Severe Wind 65 kt+ Wind
Moderate Low
Severe Hail 2"+ Hail
Low Very Low

Note:  The expiration time in the watch graphic is amended if the watch is replaced, cancelled or extended.
Note: Click for Watch Status Reports.
   SEL9
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   TORNADO WATCH NUMBER 799
   NWS STORM PREDICTION CENTER NORMAN OK
   835 PM CST TUE DEC 8 2009
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   TORNADO WATCH FOR PORTIONS OF 
   
          NORTHEAST LOUISIANA
          CENTRAL AND SOUTHERN MISSISSIPPI
   
   EFFECTIVE THIS TUESDAY NIGHT AND WEDNESDAY MORNING FROM 835 PM
   UNTIL 200 AM CST.
   
   TORNADOES...HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND
   GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
   AREAS.
   
   THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 50 STATUTE
   MILES EAST AND WEST OF A LINE FROM 35 MILES NORTHEAST OF
   GREENWOOD MISSISSIPPI TO 35 MILES WEST SOUTHWEST OF MC COMB
   MISSISSIPPI.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
   ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU9).
   
   REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
   TORNADOES AND 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.
   
   OTHER WATCH INFORMATION...THIS TORNADO WATCH REPLACES TORNADO
   WATCH NUMBER 796. WATCH NUMBER 796 WILL NOT BE IN EFFECT AFTER
   835 PM CST. CONTINUE...WW 797...WW 798...
   
   DISCUSSION...TSTMS EXPECTED TO CONTINUE FORMING...AND MAY SLIGHTLY
   INCREASE IN COVERAGE...ALONG/AHEAD WEAK CONFLUENCE ZONE EXTENDING
   FROM NE LA INTO NW MS.  CONFLUENCE ZONE MARKS WRN EDGE OF AXIS OF
   MODERATE SFC-BASED INSTABILITY.  LOW LVL WINDS HAVE VEERED IN THIS
   REGION RELATIVE TO POINTS FARTHER E.  BUT COMBINATION VERY LONG
   HODOGRAPHS /70 KT 0-3 KM BULK SHEAR/...STEEPER LOW LVL LAPSE
   RATES...AND RICH MOISTURE SUGGEST THE POTENTIAL FOR A COUPLE
   TORNADOES...IN ADDITION TO DMGG WINDS/MARGINALLY SVR HAIL...AS
   REGION IS GLANCED BY LARGE SCALE ASCENT ASSOCIATED WITH OK/AR UPR
   VORT.
   
   AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
   SURFACE AND ALOFT TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE
   WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
   500. MEAN STORM MOTION VECTOR 24055.
   
   
   ...CORFIDI
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Page last modified: December 09, 2009
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