Tornado Watch 13

Issued

Jan 29, 2013, 10:07 PM CST (04:07 UTC)

Expired

Jan 30, 2013, 4:00 AM CST

In force

6 hr

Issued by

the Storm Prediction Center

Largest hail expected

1 in

Strongest gust expected

60 kt

The Columbus AFB radar (KGWX), 101 km from the middle of the area, began a volume at 04:07 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

20%

Ten or more severe wind reports

80%

One or more gusts of 65 knots or more

40%

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

90%

• Mesoscale Discussion 80Jan 29, 7:31 PM CST
• Mesoscale Discussion 84Jan 29, 9:49 PM CST
• Mesoscale Discussion 89Jan 30, 3:03 AM CST

139 
WWUS20 KWNS 300407
SEL3  
SPC WW 300407
MSZ000-TNZ000-301000-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 13
NWS STORM PREDICTION CENTER NORMAN OK
1010 PM CST TUE JAN 29 2013

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

       MUCH OF MISSISSIPPI
       MIDDLE TENNESSEE

EFFECTIVE THIS TUESDAY NIGHT AND WEDNESDAY MORNING FROM 1010 PM
UNTIL 400 AM CST.

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 70 STATUTE
MILES EAST AND WEST OF A LINE FROM 10 MILES EAST NORTHEAST OF
CLARKSVILLE TENNESSEE TO 75 MILES SOUTHWEST OF JACKSON
MISSISSIPPI.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU3).

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 10...WW 11...WW 12...

DISCUSSION...MULTIPLE LINES OF STRONG/SEVERE STORMS OVER AR/LA WILL
CONSOLIDATE AND TRACK EASTWARD ACROSS THE WATCH AREA OVERNIGHT.  A
SLOW EVOLUTION TOWARD A SEVERE SQUALL LINE IS EXPECTED...WITH
DAMAGING WINDS BEING THE MAIN THREAT.  HOWEVER...VERY STRONG LOW
LEVEL SHEAR AND SUFFICIENT INSTABILITY WILL MAINTAIN THE RISK OF
ISOLATED TORNADOES.

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 450.
MEAN STORM MOTION VECTOR 24035.


...HART

Tornado Watches in Mississippi, 2013Tornado Watches in Tennessee, 2013Every tornado watch in 2013

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.