Tornado Watch 15

Issued

Feb 20, 2014, 6:05 PM CST (00:05 UTC)

Expired

Feb 21, 2014, 1:00 AM CST

In force

7 hr

Issued by

the Storm Prediction Center

Largest hail expected

1.5 in

Strongest gust expected

60 kt

The Jackson/Brandon,MS radar (KDGX), 44 km from the middle of the area, began a volume at 00:06 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

60%

One or more gusts of 65 knots or more

10%

Ten or more severe hail reports

20%

One or more hailstones of 2 inches or more

10%

Six or more combined severe hail and wind reports

80%

• Mesoscale Discussion 127Feb 20, 5:55 PM CST
• Mesoscale Discussion 133Feb 20, 9:56 PM CST
• Mesoscale Discussion 135Feb 20, 11:43 PM CST

098 
WWUS20 KWNS 210006
SEL5  
SPC WW 210006
ALZ000-LAZ000-MSZ000-210700-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 15
NWS STORM PREDICTION CENTER NORMAN OK
605 PM CST THU FEB 20 2014

THE NWS STORM PREDICTION CENTER HAS ISSUED A

* TORNADO WATCH FOR PORTIONS OF 
  WESTERN AND CENTRAL ALABAMA
  SOUTHEAST LOUISIANA
  SOUTHERN AND CENTRAL MISSISSIPPI

* EFFECTIVE THIS THURSDAY NIGHT AND FRIDAY MORNING FROM 605 PM
  UNTIL 100 AM CST.

* PRIMARY THREATS INCLUDE...
  SEVERAL TORNADOES POSSIBLE
  SEVERAL DAMAGING WIND GUSTS TO 70 MPH LIKELY
  A FEW LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 100 STATUTE
MILES EAST AND WEST OF A LINE FROM 25 MILES NORTHWEST OF
TUSCALOOSA ALABAMA TO 50 MILES SOUTHWEST OF MC COMB MISSISSIPPI. 
FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU5).

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 9...WW 11...WW 13...WW
14...

DISCUSSION...TSTMS NOW FORMING ALONG LOW-LVL CONFLUENCE WELL IN
ADVANCE OF COLD FRONT ASSOCIATED WITH POTENT MIDWEST SHORTWAVE
TROUGH EXPECTED TO INCREASE IN COVERAGE/STRENGTH THROUGH LATER THIS
EVE AS REGION IS GLANCED BY THE IMPULSE. ADEQUATE ENVIRONMENT FOR
TORNADOES ATTM...GIVEN 00Z JAN RAOB...PLUS LIKELIHOOD FOR SOME
INCREASE IN WIND FIELD THROUGH TNGT...SUGGEST POTENTIAL FOR A COUPLE
TORNADOES IN ADDITION TO DMGG WIND/HAIL. WITH TIME...SOME INCREASE
IN STORMS MAY OCCUR ALONG EXISTING CONFLUENCE BAND NOW EXTENDING
FROM NW MS SWWD INTO W CNTRL LA. THIS ACTIVITY MAY AFFECT WRN PARTS
OF WW 15 LATER TNGT WITH A RISK FOR DMGG WIND AND POSSIBLY A
TORNADO.

AVIATION...TORNADOES AND 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
500. MEAN STORM MOTION VECTOR 24035.


...CORFIDI

Tornado Watches in Mississippi, 2014Tornado Watches in Alabama, 2014Tornado Watches in Louisiana, 2014Every tornado watch in 2014

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.