Tornado Watch 71

Issued

Mar 23, 2007, 4:40 PM CDT (21:40 UTC)

Expired

Mar 24, 2007, 12:00 AM CDT

In force

7 hr

Issued by

the Storm Prediction Center

Largest hail expected

2.5 in

Strongest gust expected

60 kt

The Dodge City radar (KDDC), 150 km from the middle of the area, began a volume at 21:42 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

30%

One or more gusts of 65 knots or more

30%

Ten or more severe hail reports

60%

One or more hailstones of 2 inches or more

40%

Six or more combined severe hail and wind reports

90%

• Mesoscale Discussion 327Mar 23, 3:58 PM CDT
• Mesoscale Discussion 332Mar 23, 8:19 PM CDT

000
WWUS20 KWNS 232140
SEL1  
SPC WW 232140
KSZ000-OKZ000-TXZ000-240500-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 71
NWS STORM PREDICTION CENTER NORMAN OK
440 PM CDT FRI MAR 23 2007

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

       SOUTHWEST KANSAS
       EXTREME NORTHWEST OKLAHOMA
       NORTHERN AND WESTERN TEXAS PANHANDLE

EFFECTIVE THIS FRIDAY AFTERNOON FROM 440 PM UNTIL MIDNIGHT CDT.

TORNADOES...HAIL TO 2.5 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 75 STATUTE
MILES NORTH AND SOUTH OF A LINE FROM 25 MILES WEST OF DALHART
TEXAS TO 65 MILES EAST OF DODGE CITY 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 69...WW 70...

DISCUSSION...SCATTERED SEVERE THUNDERSTORMS ARE OCCURRING ALONG AN
AXIS FROM WEST OF AMA INTO SOUTHWEST KS.  THIS ACTIVITY WILL LIKELY
CONTINUE THROUGH THE EVENING AND LIFT SLOWLY NORTHWARD WITH SURFACE
BOUNDARY.  LOW LEVEL VERTICAL SHEAR IS FORECAST TO INCREASE LATER
THIS EVENING WITH AN INCREASING RISK OF SUPERCELLS CAPABLE OF LARGE
HAIL...DAMAGING WINDS...AND ISOLATED TORNADOES.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500. MEAN STORM MOTION VECTOR 23030.


...HART

Tornado Watches in Kansas, 2007Tornado Watches in Texas, 2007Tornado Watches in Oklahoma, 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.