Tornado Watch 222

Issued

Apr 26, 2011, 9:33 PM CDT (02:33 UTC)

Expired

Apr 27, 2011, 5:00 AM CDT

In force

7 hr

Issued by

the Storm Prediction Center

Particularly dangerous situation

Yes

Largest hail expected

2.5 in

Strongest gust expected

70 kt

The Little Rock radar (KLZK), 182 km from the middle of the area, began a volume at 02:34 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

95%

One or more EF2 to EF5 tornadoes

70%

Ten or more severe wind reports

80%

One or more gusts of 65 knots or more

60%

Ten or more severe hail reports

90%

One or more hailstones of 2 inches or more

50%

Six or more combined severe hail and wind reports

95%

• Mesoscale Discussion 601Apr 26, 6:17 PM CDT
• Mesoscale Discussion 602Apr 26, 6:43 PM CDT
• Mesoscale Discussion 606Apr 26, 7:59 PM CDT
• Mesoscale Discussion 608Apr 26, 8:53 PM CDT
• Mesoscale Discussion 610Apr 26, 9:13 PM CDT
• Mesoscale Discussion 611Apr 26, 11:33 PM CDT
• Mesoscale Discussion 612Apr 27, 1:56 AM CDT
• Mesoscale Discussion 613Apr 27, 3:29 AM CDT

439 
WWUS20 KWNS 270233
SEL2
SPC WW 270233
ALZ000-ARZ000-LAZ000-MSZ000-271000-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 222
NWS STORM PREDICTION CENTER NORMAN OK
935 PM CDT TUE APR 26 2011

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

       SMALL PART OF NORTHWEST ALABAMA
       PARTS OF SOUTHERN ARKANSAS
       MUCH OF NORTHERN LOUISIANA
       MUCH OF NORTHERN AND CENTRAL MISSISSIPPI

EFFECTIVE THIS TUESDAY NIGHT AND WEDNESDAY MORNING FROM 935 PM
UNTIL 500 AM CDT.

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

DESTRUCTIVE TORNADOES...LARGE HAIL TO 2.5 INCHES IN DIAMETER...
THUNDERSTORM WIND GUSTS TO 80 MPH...AND DANGEROUS LIGHTNING ARE
POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 75 STATUTE
MILES NORTH AND SOUTH OF A LINE FROM 25 MILES SOUTH SOUTHWEST OF
SHREVEPORT LOUISIANA TO 50 MILES EAST NORTHEAST OF TUPELO
MISSISSIPPI.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU2).

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 215...WW 217...WW
218...WW 219...WW 220...WW 221...

DISCUSSION...CONDITIONS REMAIN VERY FAVORABLE FOR TORNADIC
SUPERCELLS TO CONTINUE TO DEVELOP AND MOVE EWD ACROSS THE WATCH AREA
THRU THE NIGHT. WITH VERY STRONG VEERING SHEAR PROFILES AND MLCAPES
AOA 2500 J/KG LONG LIVED SUPERCELLS ARE LIKELY WITH POTENTIAL FOR
STRONG...DAMAGING TORNADOS.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
550. MEAN STORM MOTION VECTOR 24035.


...HALES

Tornado Watches in Mississippi, 2011Tornado Watches in Louisiana, 2011Tornado Watches in Arkansas, 2011Every tornado watch in 2011

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.