Tornado Watch 792

Issued

Sep 22, 2006, 6:29 PM CDT (23:29 UTC)

Expired

Sep 23, 2006, 1:01 AM CDT

In force

7 hr

Issued by

the Storm Prediction Center

Largest hail expected

2 in

Strongest gust expected

60 kt

The Little Rock radar (KLZK), 157 km from the middle of the area, began a volume at 23:31 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

60%

One or more EF2 to EF5 tornadoes

30%

Ten or more severe wind reports

30%

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 2007Sep 22, 2:55 PM CDT
• Mesoscale Discussion 2008Sep 22, 3:00 PM CDT
• Mesoscale Discussion 2013Sep 22, 5:58 PM CDT
• Mesoscale Discussion 2018Sep 22, 10:23 PM CDT

000 
WWUS20 KWNS 222331
SEL2  
SPC WW 222331
ARZ000-MOZ000-TNZ000-230700-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 792
NWS STORM PREDICTION CENTER NORMAN OK
630 PM CDT FRI SEP 22 2006

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

       NORTH CENTRAL AND NORTHEAST ARKANSAS
       THE MISSOURI BOOTHEEL
       NORTHWEST TENNESSEE

EFFECTIVE THIS FRIDAY NIGHT AND SATURDAY MORNING FROM 630 PM
UNTIL 200 AM CDT.

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 140 STATUTE
MILES EAST AND WEST OF A LINE FROM 30 MILES NORTH NORTHEAST OF
WALNUT RIDGE ARKANSAS TO 30 MILES SOUTHEAST OF BATESVILLE
ARKANSAS.  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...THIS TORNADO WATCH REPLACES TORNADO
WATCH NUMBER 786. WATCH NUMBER 786 WILL NOT BE IN EFFECT AFTER
630 PM CDT. CONTINUE...WW 787...WW 788...WW 789...WW 790...WW
791...

DISCUSSION...CLUSTERS OF SUPERCELLS WILL PERSIST THROUGH EARLY
TONIGHT ACROSS NRN AR/NW TN...ALONG THE OUTFLOW BOUNDARIES FROM
PREVIOUS CONVECTION.  A FEED OF RICH LOW-LEVEL MOISTURE FROM THE S
AND SW /LOW 70 DEWPOINTS/ AND MODERATE INSTABILITY SHOULD MAINTAIN
INTENSE CONVECTION WILL INTO THE OVERNIGHT HOURS.  ALSO...VERTICAL
SHEAR REMAINS FAVORABLE FOR PERSISTENT SUPERCELLS CAPABLE OF
PRODUCING TORNADOES...LARGE HAIL...AND DAMAGING GUSTS.

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
500. MEAN STORM MOTION VECTOR 26035.


...THOMPSON

Tornado Watches in Arkansas, 2006Tornado Watches in Tennessee, 2006Tornado Watches in Missouri, 2006Every tornado watch in 2006

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.