Tuesday, October 23, 2007

Ante Meridiem Action

URGENT - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 730 NWS STORM PREDICTION CENTER NORMAN OK 1110 PM CDT MON OCT 22 2007

THE NWS STORM PREDICTION CENTER HAS ISSUED A TORNADO WATCH FOR PORTIONS OF CENTRAL ALABAMA EFFECTIVE THIS MONDAY NIGHT AND TUESDAY MORNING FROM 1110 PM UNTIL 400 AM CDT. TORNADOES...HAIL TO 0.5 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 35 STATUTE MILES EAST AND WEST OF A LINE FROM 35 MILES EAST NORTHEAST OF CENTREVILLE ALABAMA TO 45 MILES SOUTH SOUTHWEST OF SELMA ALABAMA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU0).

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...CLUSTER OF SUPERCELL THUNDERSTORMS CONTINUES TO POSE OCCASIONAL TORNADO RISK...IN ENVIRONMENT CHARACTERIZED BY MOIST LOW LEVEL PROFILE AND VERY STRONG VERTICAL SHEAR. MOB/BMX VAD PROFILES INDICATE 3KM SRH VALUES OF 300-500 M2/S2 SUGGESTING THAT THREAT OF ISOLATED TORNADOES MAY PERSIST FOR A FEW MORE HOURS OVER A SMALL PART OF CENTRAL AL. AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 0.5 INCH. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR 21030.

3 comments:

Michael said...

Bamma Mike,

Hope you made it through this mess!

Dewdrop said...

Carolina Mike... don't you sleep?

Alabama Mike, you get anything exciting?

Michael said...

yeah I sleep... just kept one eye open on this system, and the other closed!