Severe Thunderstorm Watch 113

Issued

Apr 3, 2007, 2:15 PM CDT (19:15 UTC)

Expired

Apr 3, 2007, 8:39 PM CDT

In force

6 hr

Issued by

the Storm Prediction Center

Largest hail expected

2.5 in

Strongest gust expected

60 kt

The Nashville radar (KOHX), 42 km from the middle of the area, began a volume at 19:18 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

20%

One or more EF2 to EF5 tornadoes

5%

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

30%

Six or more combined severe hail and wind reports

70%

• Mesoscale Discussion 422Apr 3, 11:04 AM CDT
• Mesoscale Discussion 428Apr 3, 3:23 PM CDT
• Mesoscale Discussion 431Apr 3, 5:23 PM CDT
• Mesoscale Discussion 432Apr 3, 6:15 PM CDT

000
WWUS20 KWNS 031915
SEL3  
SPC WW 031915
ALZ000-GAZ000-KYZ000-TNZ000-040200-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 113
NWS STORM PREDICTION CENTER NORMAN OK
215 PM CDT TUE APR 3 2007

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

       NORTHERN ALABAMA
       NORTHWEST GEORGIA
       SOUTHCENTRAL KENTUCKY
       M IDDLE TENNESSEE

EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 215 PM UNTIL
900 PM CDT.

HAIL TO 2.5 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 5 MILES NORTH
NORTHEAST OF OWENSBORO KENTUCKY TO 10 MILES WEST SOUTHWEST OF
ANNISTON ALABAMA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU3).

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.

OTHER WATCH INFORMATION...CONTINUE...WW 109...WW 110...WW
111...WW 112...

DISCUSSION...WITH MLCAPES AOA 2000 J/KG AND AN UNCAPPED ATMOSPHERE
THUNDERSTORMS WILL CONTINUE TO INCREASE IN NUMBER AN INTENSITY
ACROSS WATCH AREA DURING THE AFTERNOON.  DEEP LAYER SHEAR OF 30 KT
SUPPORT PRIMARY MULTICELLULAR STORMS AND A LARGE HAIL THREAT ALONG
WITH DOWNBURST WINDS.

AVIATION...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 550. MEAN STORM
MOTION VECTOR 26025.


...HALES

Severe Thunderstorm Watches in Tennessee, 2007Severe Thunderstorm Watches in Alabama, 2007Severe Thunderstorm Watches in Kentucky, 2007Every severe thunderstorm 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.