Tornado Watch 92

Issued

Apr 4, 2011, 12:34 PM EDT (16:34 UTC)

Expired

Apr 4, 2011, 5:26 PM EDT

In force

5 hr

Issued by

the Storm Prediction Center

Largest hail expected

1 in

Strongest gust expected

60 kt

The Louisville radar (KLVX), 95 km from the middle of the area, began a volume at 16:33 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

10%

Ten or more severe wind reports

40%

One or more gusts of 65 knots or more

30%

Ten or more severe hail reports

10%

One or more hailstones of 2 inches or more

5%

Six or more combined severe hail and wind reports

70%

• Mesoscale Discussion 343Apr 4, 11:25 AM EDT
• Mesoscale Discussion 346Apr 4, 2:25 PM EDT
• Mesoscale Discussion 347Apr 4, 3:08 PM EDT
• Mesoscale Discussion 350Apr 4, 4:49 PM EDT

650 
WWUS20 KWNS 041637
SEL2
SPC WW 041637
INZ000-KYZ000-TNZ000-042300-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 92
NWS STORM PREDICTION CENTER NORMAN OK
1135 AM CDT MON APR 4 2011

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

       EXTREME SOUTHERN INDIANA
       CENTRAL KENTUCKY
       MIDDLE TENNESSEE

EFFECTIVE THIS MONDAY MORNING AND EVENING FROM 1135 AM UNTIL 600
PM CDT.

TORNADOES...HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 70 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 NORTH OF LEXINGTON
KENTUCKY TO 85 MILES SOUTH SOUTHWEST OF NASHVILLE TENNESSEE.  FOR
A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU2).

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 88...WW 89...WW 90...WW
91...

DISCUSSION...COLD FRONTAL SQUALL LINE IS EXPECTED TO CONSOLIDATE
ACROSS KY/TN BY EARLY AFTERNOON AND CONTINUE EWD ACROSS CENTRAL
KY/MIDDLE TN THROUGH THE AFTERNOON.  DAMAGING WINDS WILL BE THE MAIN
SEVERE THREAT WITH EMBEDDED BOWING SEGMENTS.  A COUPLE OF TORNADOES
WILL ALSO BE POSSIBLE WITH EMBEDDED QLCS CIRCULATIONS...OR IF A
PRE-FRONTAL SUPERCELL CAN EVOLVE FROM THE ONGOING CONVECTION FROM NE
MS INTO WRN TN AND WRN KY.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500.
MEAN STORM MOTION VECTOR 25045.


...THOMPSON

Tornado Watches in Kentucky, 2011Tornado Watches in Tennessee, 2011Tornado Watches in Indiana, 2011Every tornado watch in 2011

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.