Tornado Watch 31

Issued

Feb 24, 2007, 11:15 AM CST (17:15 UTC)

Expired

Feb 24, 2007, 5:10 PM CST

In force

6 hr

Issued by

the Storm Prediction Center

Largest hail expected

1 in

Strongest gust expected

50 kt

The Topeka radar (KTWX), 124 km from the middle of the area, began a volume at 17:15 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

40%

One or more EF2 to EF5 tornadoes

20%

Ten or more severe wind reports

20%

One or more gusts of 65 knots or more

20%

Ten or more severe hail reports

40%

One or more hailstones of 2 inches or more

20%

Six or more combined severe hail and wind reports

70%

• Mesoscale Discussion 193Feb 24, 9:40 AM CST
• Mesoscale Discussion 198Feb 24, 2:33 PM CST

000
WWUS20 KWNS 241719
SEL1  
SPC WW 241719
KSZ000-250000-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 31
NWS STORM PREDICTION CENTER NORMAN OK
1115 AM CST SAT FEB 24 2007

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

       PARTS OF CENTRAL AND EASTERN KANSAS

EFFECTIVE THIS SATURDAY MORNING AND EVENING FROM 1115 AM UNTIL
600 PM CST.

TORNADOES...HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 60 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 60 STATUTE
MILES NORTH AND SOUTH OF A LINE FROM 30 MILES NORTHWEST OF
RUSSELL KANSAS TO 15 MILES NORTHEAST OF CHANUTE KANSAS.  FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU1).

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 30...

DISCUSSION...INTENSIFYING CONVECTIVE DEVELOPMENT IS EXPECTED NEXT
FEW HOURS ALONG/NORTH OF DRY LINE EAST OF SURFACE CYCLONE...WHICH
WILL CONTINUE TO SLOWLY DEEPEN AS IT MIGRATES EAST SOUTHEASTWARD
ACROSS CENTRAL KANSAS.  A FEW LOW TOPPED SUPERCELLS APPEAR LIKELY IN
CONVECTIVELY UNSTABLE ENVIRONMENT...AND AMBIENT VERTICAL VORTICITY
ALREADY PRESENT WILL SUPPORT RISK OF ISOLATED TORNADOES...IN
ADDITION TO LARGE HAIL/GUSTY WINDS.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 50 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 350.
MEAN STORM MOTION VECTOR 18030.


...KERR

Tornado Watches in Kansas, 2007Every tornado watch in 2007

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.