Tornado Watch 24

Issued

Feb 3, 2012, 2:25 AM CST (08:25 UTC)

Expired

Feb 3, 2012, 10:00 AM CST

In force

8 hr

Issued by

the Storm Prediction Center

Largest hail expected

1.5 in

Strongest gust expected

60 kt

The Altus AFB radar (KFDR), 133 km from the middle of the area, began a volume at 08:25 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

Two or more tornadoes

30%

One or more EF2 to EF5 tornadoes

20%

Ten or more severe wind reports

30%

One or more gusts of 65 knots or more

10%

Ten or more severe hail reports

20%

One or more hailstones of 2 inches or more

5%

Six or more combined severe hail and wind reports

50%

• Mesoscale Discussion 95Feb 2, 11:44 PM CST
• Mesoscale Discussion 96Feb 3, 2:00 AM CST
• Mesoscale Discussion 99Feb 3, 7:15 AM CST
• Mesoscale Discussion 100Feb 3, 9:42 AM CST

147 
WWUS20 KWNS 030843
SEL4
SPC WW 030843
OKZ000-TXZ000-031600-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 24
NWS STORM PREDICTION CENTER NORMAN OK
225 AM CST FRI FEB 3 2012

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

       WESTERN AND PARTS OF CENTRAL OKLAHOMA
       SOUTHEASTERN TEXAS PANHANDLE

EFFECTIVE THIS FRIDAY MORNING FROM 225 AM UNTIL 1000 AM CST.

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 70 STATUTE
MILES EAST AND WEST OF A LINE FROM 35 MILES WEST NORTHWEST OF
ENID OKLAHOMA TO 40 MILES SOUTH OF ALTUS OKLAHOMA.  FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU4).

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 23...

DISCUSSION...BROKEN SW-NE SQLN OVER WRN OK AND SE TX PANHANDLE
EXPECTED TO PERSIST AND MOVE SLOWLY SEWD...WHILE STORMS WITHIN THE
LINE MOVE MORE RAPIDLY NEWD ALONG IT.  FARTHER E...WDLY SCTD
STORMS/SHOWERS ALSO MAY PERSIST ALONG SHALLOW WARM FRONTAL ZONE IN
WRN/CNTRL OK.
DEEP WIND FIELD ACROSS REGION WILL REMAIN FAVORABLE FOR
SUPERCELLS...AND SELY NEAR-SFC FLOW COULD SUPPORT LOW LVL
MESOSCYCLONES.  MODEST SFC-BASED BUOYANCY WILL...HOWEVER...LIKELY
KEEP OVERALL TORNADO THREAT ISOLD.  BUT OBSERVATIONS INDICATE THAT
LOW LVL MOISTURE INFLOW WILL CONTINUE TO SLOWLY DESTABILIZE WW
AREA...ESPECIALLY OVER WRN/SRN OK E AHEAD OF SQLN.  THIS WILL
SUPPORT A CONDITIONAL THREAT FOR LOCALLY DMGG WIND/ISOLD TORNADOES
WITH ANY SUSTAINED UPDRAFTS THAT DO FORM.
LARGE SCALE FORCING FOR ASCENT SHOULD SLIGHTLY INCREASE OVER WRN OK
LATER THIS MORNING AS MID LVL SPEED MAX NOW OVER ERN NM CONTINUES
NEWD...POSSIBLY BOOSTING STORM COVERAGE AND STRENGTH.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
350. MEAN STORM MOTION VECTOR 22035.


...CORFIDI

Tornado Watches in Oklahoma, 2012Tornado Watches in Texas, 2012Every tornado watch in 2012

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.