SPC says today is yet ANOTHER Moderate Risk day, this time across the SE.
No PDS watches today (so far anyway)
Tornado Watch #128 − 1030 AM to 500 PM CDT (1530 to 2200 UTC)
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 128
NWS STORM PREDICTION CENTER NORMAN OK
1030 AM CDT MON APR 11 2011
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
PARTS OF EASTERN ARKANSAS
PARTS OF SOUTH CENTRAL KENTUCKY
MUCH OF NORTHERN MISSISSIPPI
PARTS OF CENTRAL AND MIDDLE TENNESSEE
EFFECTIVE THIS MONDAY MORNING AND AFTERNOON FROM 1030 AM UNTIL
500 PM CDT.
TORNADOES...HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND
GUSTS TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
AREAS.
THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 90 STATUTE
MILES EAST AND WEST OF A LINE FROM 25 MILES SOUTHEAST OF
MONTICELLO ARKANSAS TO 60 MILES EAST NORTHEAST OF BOWLING GREEN
KENTUCKY. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU8).
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.
DISCUSSION...STRONG S/WV TROUGH AND ASSOCIATED WIND FIELD ROTATING
EWD ACROSS LWR MS VALLEY THIS AFTERNOON DEVELOPING A SURFACE WAVE ON
FRONTAL ZONE SRN AR. STRONG HEATING WILL INCREASE INSTABILITY EWD
AHEAD OF ONGOING CONVECTION ACROSS THE WATCH. THUNDERSTORMS
INCREASING ACROSS CENTRAL SRN AR WILL MOVE RAPIDLY NEWD AHEAD OF THE
SURFACE LOW WITH AN ENHANCED WIND PROFILE SUPPORTING BOTH DAMAGING
WINDS AND POSSIBLE TORNADOES THRU THE AFTERNOON.
———————————————————————————————————————————————————
Tornado Watch #129 − 1250 to 7 PM EDT (1750 to 2300 UTC - correct me if I'm wrong here)
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 129
NWS STORM PREDICTION CENTER NORMAN OK
1250 PM EDT MON APR 11 2011
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
MUCH OF EASTERN KENTUCKY
PARTS OF MARYLAND PANHANDLE
PARTS OF SOUTHEAST OHIO
PARTS OF WESTERN VIRGINIA
MUCH OF WEST VIRGINIA
EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 1250 PM UNTIL
700 PM EDT.
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 80 STATUTE
MILES EAST AND WEST OF A LINE FROM 35 MILES SOUTH SOUTHWEST OF
LONDON KENTUCKY TO 5 MILES NORTH NORTHWEST OF MORGANTOWN WEST
VIRGINIA. 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...CONTINUE...WW 128...
DISCUSSION...STRONG HEATING HAS DESTABILIZED AIR MASS ACROSS WATCH
AREA AHEAD OF COLD FRONT. WITH 50-60KT OF SHEAR AND MUCAPES AOA
1000 J/KG...THUNDERSTORMS WILL INCREASE IN NUMBER/INTENSITY EASTWARD
ACROSS THE WATCH AREA. PRIMARY THREAT WILL BE DAMAGING
WINDS...HOWEVER TORNADOES WILL BE POSSIBLE ASSOCIATED WITH ANY
SUPERCELL ABLE TO FORM.
