Severe Thunderstorm Watch 75

Issued

Mar 15, 2012, 3:06 PM EDT (19:06 UTC)

Expired

Mar 15, 2012, 9:00 PM EDT

In force

6 hr

Issued by

the Storm Prediction Center

• Mesoscale Discussion 256Mar 15, 2:08 PM EDT
• Mesoscale Discussion 259Mar 15, 4:44 PM EDT
• Mesoscale Discussion 262Mar 15, 7:23 PM EDT

717 
WWUS20 KWNS 151907
SEL5
SPC WW 151907
INZ000-KYZ000-TNZ000-160200-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 75
NWS STORM PREDICTION CENTER NORMAN OK
ISSUED BY 15TH OWS SCOTT AIR FORCE BASE IL
305 PM EDT THU MAR 15 2012

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

       EXTREME SOUTHERN INDIANA
       CENTRAL KENTUCKY
       MIDDLE TENNESSEE

EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 305 PM UNTIL
1000 PM EDT.

HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 80
STATUTE MILES EAST AND WEST OF A LINE FROM 55 MILES SOUTHWEST OF
NASHVILLE TENNESSEE TO 35 MILES EAST NORTHEAST OF LOUISVILLE
KENTUCKY.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU5).

REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR 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. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY
DO PRODUCE TORNADOES.

DISCUSSION...MULTICELL THUNDERSTORMS CONTINUE TO DEVELOP IN THE WW
AREA.  EXPECT THIS TREND TO CONTINUE WITH AFTERNOON HEATING AS
THUNDERSTORMS INCREASE IN COVERAGE. PRIMARY THREAT WILL BE LARGE
HAIL WITH ISOLATED DAMAGING WIND GUSTS POSSIBLE.

AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 400. MEAN STORM
MOTION VECTOR 23025.


...15_OWS

Severe Thunderstorm Watches in Kentucky, 2012Severe Thunderstorm Watches in Tennessee, 2012Severe Thunderstorm Watches in Indiana, 2012Every severe thunderstorm watch in 2012

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.