Tornado Watch 541

Issued

Jun 23, 2011, 12:37 PM CDT (17:37 UTC)

Expired

Jun 23, 2011, 8:00 PM CDT

In force

7 hr

Issued by

the Storm Prediction Center

Largest hail expected

2 in

Strongest gust expected

60 kt

The Louisville radar (KLVX), 137 km from the middle of the area, began a volume at 17:37 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

20%

Ten or more severe wind reports

70%

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

30%

Six or more combined severe hail and wind reports

80%

• Mesoscale Discussion 1365Jun 23, 11:33 AM CDT
• Mesoscale Discussion 1369Jun 23, 3:04 PM CDT

697 
WWUS20 KWNS 231738
SEL1
SPC WW 231738
KYZ000-OHZ000-TNZ000-WVZ000-240100-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 541
NWS STORM PREDICTION CENTER NORMAN OK
1240 PM CDT THU JUN 23 2011

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

       LARGE PART OF CENTRAL AND EASTERN KENTUCKY
       PARTS OF SOUTHERN OHIO
       PARTS OF MIDDLE TENNESSEE
       PARTS OF WESTERN WEST VIRGINIA

EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 1240 PM UNTIL
800 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 90 STATUTE
MILES EAST AND WEST OF A LINE FROM 20 MILES SOUTH SOUTHEAST OF
NASHVILLE TENNESSEE TO 30 MILES NORTH NORTHWEST OF CHARLESTON
WEST VIRGINIA.  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.

DISCUSSION...THUNDERSTORMS DEVELOPING ALONG/AHEAD OF THE COLD FRONT
WHERE AIR MASS HAS DESTABILIZED AND NEARLY UNCAPPED.  WITH MLCAPES
AOA 2000 J/KG ALONG WITH 30-40KT OF SHEAR...POTENTIAL FOR SUPERCELLS
WILL INCREASE THROUGH THE AFTERNOON.  IN ADDITION TO DAMAGING
WINDS...TORNADOES WILL BE POSSIBLE WITH ANY SUPERCELL.  STORMS
EXPECTED TO DEVELOP INTO CLUSTERS...LINE SEGMENTS WITH WIND DAMAGE
POTENTIAL.

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
550. MEAN STORM MOTION VECTOR 24035.


...HALES

Tornado Watches in Kentucky, 2011Tornado Watches in Tennessee, 2011Tornado Watches in West Virginia, 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.