Tornado Watch 40

Issued

Feb 5, 2008, 7:19 PM CST (01:19 UTC)

Expired

Feb 6, 2008, 1:00 AM CST

In force

6 hr

Issued by

the Storm Prediction Center

Largest hail expected

2 in

Strongest gust expected

60 kt

The Nashville radar (KOHX), 77 km from the middle of the area, began a volume at 01:20 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

40%

One or more EF2 to EF5 tornadoes

30%

Ten or more severe wind reports

40%

One or more gusts of 65 knots or more

30%

Ten or more severe hail reports

40%

One or more hailstones of 2 inches or more

30%

Six or more combined severe hail and wind reports

80%

• Mesoscale Discussion 163Feb 5, 5:15 PM CST
• Mesoscale Discussion 168Feb 5, 6:59 PM CST
• Mesoscale Discussion 169Feb 5, 8:07 PM CST
• Mesoscale Discussion 170Feb 5, 9:19 PM CST
• Mesoscale Discussion 171Feb 5, 9:39 PM CST

000
WWUS20 KWNS 060119
SEL0  
SPC WW 060119
TNZ000-060700-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 40
NWS STORM PREDICTION CENTER NORMAN OK
720 PM CST TUE FEB 5 2008

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

       MIDDLE TENNESSEE

EFFECTIVE THIS TUESDAY NIGHT AND WEDNESDAY MORNING FROM 720 PM
UNTIL 100 AM CST.

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 45 STATUTE
MILES EAST AND WEST OF A LINE FROM 15 MILES EAST NORTHEAST OF
CLARKSVILLE TENNESSEE TO 85 MILES SOUTH SOUTHWEST OF NASHVILLE
TENNESSEE.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU0).

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 35...WW 36...WW 37...WW
38...WW 39...

DISCUSSION...ISOLATED TORNADIC SUPERCELLS OVER WESTERN TN AND
NORTHEAST MS WILL TRACK NORTHEASTWARD ACROSS WATCH AREA THIS
EVENING.  VERY STRONG VERTICAL SHEAR PROFILES AND SUFFICIENT
INSTABILITY WILL LIKELY MAINTAIN A RISK OF TORNADOES...DAMAGING
WINDS...AND HAIL THROUGH FOR ANOTHER FEW HOURS.  FARTHER
WEST...SQUALL LINE OVER AR WILL BEGIN TO AFFECT REGION AFTER
MIDNIGHT.

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
450. MEAN STORM MOTION VECTOR 24045.


...HART

Tornado Watches in Tennessee, 2008Every tornado watch in 2008

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.