

303 

WWUS20 KWNS 251900

SEL3

SPC WW 251900

ARZ000-260200-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 43

NWS STORM PREDICTION CENTER NORMAN OK

1255 PM CST MON FEB 25 2013



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       WESTERN...SOUTHERN..AND CENTRAL ARKANSAS



EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 1255 PM UNTIL

800 PM CST.



HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 60

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



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 80

STATUTE MILES EAST AND WEST OF A LINE FROM 30 MILES NORTH

NORTHEAST OF RUSSELLVILLE ARKANSAS TO 20 MILES EAST OF EL DORADO

ARKANSAS.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU3).



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 41...WW 42...



DISCUSSION...ELEVATED TSTMS WITH A THREAT FOR MAINLY SVR HAIL

EXPECTED TO MOVE/DEVELOP NNE ACROSS WRN...SRN...AND CNTRL AR THROUGH

EARLY EVE AS UPR DIVERGENCE AND 850 MB MOISTURE INFLOW INCREASE

AHEAD OF PROGRESSIVE TX UPR LOW. HAIL THREAT ALSO MAY BE ENHANCED BY

EXPECTED INCREASE IN UNIDIRECTIONAL CLOUD-LAYER SHEAR AND ONSET OF

STRONGER MID-LVL COOL ADVECTION.



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

TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 50

KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 400. MEAN STORM

MOTION VECTOR 20035.





...CORFIDI



999 

WWUS20 KWNS 251900

SEL3

SPC WW 251900

ARZ000-260200-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 43

NWS STORM PREDICTION CENTER NORMAN OK

1255 PM CST MON FEB 25 2013



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       WESTERN...SOUTHERN..AND CENTRAL ARKANSAS



EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 1255 PM UNTIL

800 PM CST.



HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 60

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



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 80

STATUTE MILES EAST AND WEST OF A LINE FROM 30 MILES NORTH

NORTHEAST OF RUSSELLVILLE ARKANSAS TO 20 MILES EAST OF EL DORADO

ARKANSAS.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU3).



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 41...WW 42...



DISCUSSION...ELEVATED TSTMS WITH A THREAT FOR MAINLY SVR HAIL

EXPECTED TO MOVE/DEVELOP NNE ACROSS WRN...SRN...AND CNTRL AR THROUGH

EARLY EVE AS UPR DIVERGENCE AND 850 MB MOISTURE INFLOW INCREASE

AHEAD OF PROGRESSIVE TX UPR LOW. HAIL THREAT ALSO MAY BE ENHANCED BY

EXPECTED INCREASE IN UNIDIRECTIONAL CLOUD-LAYER SHEAR AND ONSET OF

STRONGER MID-LVL COOL ADVECTION.



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

TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 50

KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 400. MEAN STORM

MOTION VECTOR 20035.





...CORFIDI

