TORNADO WATCH NUMBER 93NWS STORM PREDICTION CENTER NORMAN OK
255 PM CDT TUE MAR 20 2012
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
CENTRAL AND EASTERN ARKANSAS
EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 255 PM UNTIL
1000 PM CDT.
TORNADOES...HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 55 STATUTE
MILES EAST AND WEST OF A LINE FROM 75 MILES NORTH NORTHEAST OF
LITTLE ROCK ARKANSAS TO 45 MILES SOUTH SOUTHWEST OF MONTICELLO
ARKANSAS. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU3).
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... CONTINUE...WW 92...
DISCUSSION...COMPOSITE OUTFLOW BOUNDARY CURRENTLY ROUGHLY BISECTING
AR WILL SERVE AS A FOCUS FOR INCREASING TSTM DEVELOPMENT THROUGH
LATE AFTERNOON/EARLY EVENING AS IT SLOWLY PROGRESSES EASTWARD...WITH
OTHER TSTMS POSSIBLE IN THE ADJACENT WARM SECTOR. A RELATIVELY
WARM/MOIST BOUNDARY LAYER IN CONJUNCTION WITH STRONG/DEEP SOUTHERLY
FLOW MAY YIELD STRONGER/SEVERE UPDRAFTS WITH THE QLCS...INCLUDING
EMBEDDED BOWING STRUCTURES AND A FEW SUPERCELLS. ISOLATED DAMAGING
WINDS AND A COUPLE OF TORNADOES MAY BE POSSIBLE IN ADDITION TO HEAVY
RAINFALL. Source
