Tornado Watch 148

Issued

Mar 31, 2008, 2:00 PM CDT (19:00 UTC)

Expired

Mar 31, 2008, 9:00 PM CDT

In force

7 hr

Issued by

the Storm Prediction Center

Largest hail expected

3 in

Strongest gust expected

70 kt

The Dallas/Ft Worth radar (KFWS), 87 km from the middle of the area, began a volume at 18:59 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

50%

One or more EF2 to EF5 tornadoes

40%

Ten or more severe wind reports

50%

One or more gusts of 65 knots or more

40%

Ten or more severe hail reports

95%

One or more hailstones of 2 inches or more

70%

Six or more combined severe hail and wind reports

95%

• Mesoscale Discussion 521Mar 31, 12:20 PM CDT
• Mesoscale Discussion 525Mar 31, 3:49 PM CDT
• Mesoscale Discussion 527Mar 31, 8:12 PM CDT

000
WWUS20 KWNS 311900
SEL8  
SPC WW 311900
OKZ000-TXZ000-010200-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 148
NWS STORM PREDICTION CENTER NORMAN OK
200 PM CDT MON MAR 31 2008

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

       SOUTHERN OKLAHOMA
       NORTH CENTRAL TEXAS

EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 200 PM UNTIL 900
PM CDT.

TORNADOES...HAIL TO 3 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 80 STATUTE
MILES EAST AND WEST OF A LINE FROM 35 MILES WEST NORTHWEST OF
MCALESTER OKLAHOMA TO 30 MILES SOUTH SOUTHWEST OF TEMPLE TEXAS. 
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.

OTHER WATCH INFORMATION...CONTINUE...WW 146...WW 147...

DISCUSSION...SCATTERED THUNDERSTORMS ARE EXPECTED TO BEGIN
DEVELOPING ALONG SURFACE DRYLINE OVER NORTH CENTRAL TX IN THE NEXT
HOUR.  THESE STORMS WILL LIKELY BECOME SEVERE RAPIDLY IN ENVIRONMENT
OF HIGH CAPE VALUES AND FAVORABLE VERTICAL SHEAR.  SUPERCELLS
CAPABLE OF VERY LARGE HAIL AND TORNADOES ARE EXPECTED.  THREAT WILL
LIKELY PERSIST THROUGH MUCH OF THE EVENING.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500. MEAN STORM MOTION VECTOR 24030.


...HART

Tornado Watches in Texas, 2008Tornado Watches in Oklahoma, 2008Every tornado watch in 2008

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.