PDS tornado watch

[WXBUFFJIM]

http://www.spc.noaa.gov/products/watch/ww0022.html

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 22
NWS STORM PREDICTION CENTER NORMAN OK
945 AM CST THU MAR 4 2004

THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF

CENTRAL AND SOUTHWEST OKLAHOMA
WEST AND NORTHWEST TEXAS

EFFECTIVE THIS THURSDAY MORNING AND AFTERNOON FROM 945 AM UNTIL
300 PM CST.

...THIS IS A PARTICULARLY DANGEROUS SITUATION...

DESTRUCTIVE TORNADOES...LARGE HAIL TO 2 INCHES IN DIAMETER...
THUNDERSTORM WIND GUSTS TO 90 MPH...AND DANGEROUS LIGHTNING ARE
POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS ALONG AND 115 STATUTE MILES NORTH AND
SOUTH OF A LINE FROM 55 MILES WEST SOUTHWEST OF SAN ANGELO TEXAS
TO 45 MILES SOUTH SOUTHEAST OF OKLAHOMA CITY OKLAHOMA.

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 19...SEVERE THUNDERSTORM WATCH NUMBER 20...SEVERE
THUNDERSTORM WATCH NUMBER 21. WATCH NUMBER 19 20 21 WILL NOT BE IN
EFFECT AFTER 945 AM CST.


DISCUSSION...STRONG TROUGH WILL RAPIDLY MOVE NEWD ACROSS NWRN TX/WRN
OK TODAY WITH DEEPENING SURFACE LOW E OF MAF. WITH WARM FRONT
LIFTING NWD ACROSS CENTRAL OK...VERY MOIST AND MODERATELY UNSTABLE
WARM SECTOR SPREADS ACROSS WATCH AREA. STRONG DEEP LAYER SHEAR
WITH ENHANCED HELICITY VICINITY WARM FRONT WILL SUPPORT TORNADIC
SUPERCELLS DEVELOPING AHEAD OF DEEPENING SURFACE LOW THAT WILL BE
CROSSING CENTRAL OK INTO SRN KS BY THIS EVENING. IN ADDITION TO
POTENTIAL FOR STRONG TORNADOES VERY DAMAGING WINDS ARE LIKELY AS A
SQUALL LINE DEVELOPS TO S OF SURFACE LOW AND RACES NEWD ACROSS N TX
INTO ERN OK.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 80 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550.
MEAN STORM MOTION VECTOR 23040.


...HALES