Tornado Watch 178

Issued

Apr 24, 2007, 3:24 PM CDT (20:24 UTC)

Expired

Apr 24, 2007, 8:45 PM CDT

In force

5 hr

Issued by

the Storm Prediction Center

Largest hail expected

2 in

Strongest gust expected

60 kt

The Topeka radar (KTWX), 52 km from the middle of the area, began a volume at 20:23 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

60%

One or more EF2 to EF5 tornadoes

30%

Ten or more severe wind reports

50%

One or more gusts of 65 knots or more

10%

Ten or more severe hail reports

60%

One or more hailstones of 2 inches or more

20%

Six or more combined severe hail and wind reports

95%

• Mesoscale Discussion 563Apr 24, 2:03 PM CDT
• Mesoscale Discussion 565Apr 24, 3:10 PM CDT
• Mesoscale Discussion 571Apr 24, 7:53 PM CDT

000
WWUS20 KWNS 242030
SEL8  
SPC WW 242030
KSZ000-MOZ000-250400-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 178
NWS STORM PREDICTION CENTER NORMAN OK
325 PM CDT TUE APR 24 2007

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

       EASTERN KANSAS
       WESTERN AND CENTRAL MISSOURI

EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 325 PM UNTIL
1100 PM CDT.

TORNADOES...HAIL TO 2 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 EAST AND WEST OF A LINE FROM 60 MILES WEST NORTHWEST OF
SAINT JOSEPH MISSOURI TO 15 MILES SOUTH OF JOPLIN MISSOURI.  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 172...WW 173...WW
174...WW 175...WW 176...WW 177...

DISCUSSION...TSTMS/SUPERCELLS EXPECTED TO INCREASE IN
COVERAGE/INTENSITY IN THE NEXT FEWS HOURS IN RESPONSE TO CONTINUED
SFC HEATING/CONVERGENCE.  POTENTIAL WILL EXIST FOR LARGE
HAIL/ISOLATED TORNADOES GIVEN DEGREE OF SFC-BASED INSTABILITY AND
OBSERVED/FCST WIND PROFILES...ASSUMING STORMS BECOME ROOTED IN THE
BOUNDARY LAYER.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500. MEAN STORM MOTION VECTOR 21035.


...CORFIDI

Tornado Watches in Kansas, 2007Tornado Watches in Missouri, 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.