Tornado Watch 36

Issued

Feb 5, 2008, 2:08 PM CST (20:08 UTC)

Expired

Feb 5, 2008, 11:52 PM CST

In force

10 hr

Issued by

the Storm Prediction Center

Particularly dangerous situation

Yes

Largest hail expected

2.5 in

Strongest gust expected

60 kt

The Little Rock radar (KLZK), 86 km from the middle of the area, began a volume at 20:11 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

90%

One or more EF2 to EF5 tornadoes

70%

Ten or more severe wind reports

60%

One or more gusts of 65 knots or more

60%

Ten or more severe hail reports

80%

One or more hailstones of 2 inches or more

50%

Six or more combined severe hail and wind reports

95%

• Mesoscale Discussion 157Feb 5, 11:16 AM CST
• Mesoscale Discussion 158Feb 5, 12:11 PM CST
• Mesoscale Discussion 161Feb 5, 3:36 PM CST
• Mesoscale Discussion 165Feb 5, 5:39 PM CST
• Mesoscale Discussion 169Feb 5, 8:07 PM CST

000
WWUS20 KWNS 052012
SEL6  
SPC WW 052012
ARZ000-LAZ000-060400-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 36
NWS STORM PREDICTION CENTER NORMAN OK
210 PM CST TUE FEB 5 2008

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

       CENTRAL AND SOUTHERN ARKANSAS
       NORTHERN LOUISIANA

EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 210 PM UNTIL
1000 PM CST.

...THIS IS A PARTICULARLY DANGEROUS SITUATION...

DESTRUCTIVE TORNADOES...LARGE HAIL TO 2.5 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 125 STATUTE
MILES NORTH AND SOUTH OF A LINE FROM 70 MILES WEST NORTHWEST OF
EL DORADO ARKANSAS TO 50 MILES EAST OF PINE BLUFF ARKANSAS.  FOR
A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU6).

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 34...WW 35...

DISCUSSION...SCATTERED THUNDERSTORMS ARE BEGINNING TO INTENSIFY FROM
NE TX INTO WRN AR...AND ADDITIONAL CONVECTION IS FORMING ALONG A
PRE-FRONTAL BAND NEAR MLU IN NRN LA.  18Z SOUNDINGS FROM LZK AND SHV
SHOW THAT THE CAP HAS WEAKENED FROM BELOW VIA ASCENT...AND THIS
TREND WILL CONTINUE THROUGH THE AFTERNOON IN CONJUNCTION WITH A LEAD
SHORTWAVE TROUGH EJECTING NEWD FROM NE TX/ERN OK TOWARD AR.  THE
COMBINATION OF MODERATE INSTABILITY...BOUNDARY LAYER DEWPOINTS IN
THE MID 60S AND VERY STRONG VERTICAL SHEAR /EFFECTIVE SRH AOA 400
M2/S2/ WILL SUPPORT A THREAT FOR LONG-LIVED SUPERCELLS CAPABLE OF
PRODUCING STRONG TORNADOES...LARGE HAIL...AND DAMAGING WINDS INTO
EARLY TONIGHT.

AVIATION...TORNADOES AND 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
450. MEAN STORM MOTION VECTOR 23050.


...THOMPSON

Tornado Watches in Arkansas, 2008Tornado Watches in Louisiana, 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.