Tornado Watch 348

Issued

Jun 3, 2012, 7:09 PM CDT (00:09 UTC)

Expired

Jun 4, 2012, 1:41 AM CDT

In force

7 hr

Issued by

the Storm Prediction Center

Largest hail expected

2.5 in

Strongest gust expected

60 kt

The Memphis radar (KNQA), 59 km from the middle of the area, began a volume at 00:08 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

50%

One or more gusts of 65 knots or more

10%

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 1036Jun 3, 5:02 PM CDT
• Mesoscale Discussion 1042Jun 3, 8:34 PM CDT
• Mesoscale Discussion 1044Jun 3, 11:13 PM CDT

273 
WWUS20 KWNS 040015
SEL8
SPC WW 040015
ALZ000-ARZ000-MOZ000-MSZ000-TNZ000-040800-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 348
NWS STORM PREDICTION CENTER NORMAN OK
710 PM CDT SUN JUN 3 2012

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

       NORTHWEST ALABAMA
       NORTHEAST ARKANSAS
       THE MISSOURI BOOTHEEL
       NORTHERN MISSISSIPPI
       WESTERN AND MIDDLE TENNESSEE

EFFECTIVE THIS SUNDAY NIGHT AND MONDAY MORNING FROM 710 PM UNTIL
300 AM CDT.

TORNADOES...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 60 STATUTE
MILES NORTH AND SOUTH OF A LINE FROM 25 MILES WEST SOUTHWEST OF
JONESBORO ARKANSAS TO 35 MILES NORTH OF HUNTSVILLE ALABAMA.  FOR
A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU8).

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 345...WW 347...

DISCUSSION...SCTD TSTMS HAVE FORMED OVER W TN IN ZONE OF MODEST LOW
LVL WAA/MOISTURE TRANSPORT ALONG WEAK WNW-ESE FRONT.  SUFFICIENT LOW
TO MID LVL SPEED/DIRECTIONAL SHEAR APPEARS PRESENT FOR SUPERCELLS
WITH HAIL...LOCALLY DMGG WIND...AND POSSIBLY A COUPLE TORNADOES
GIVEN THAT WEAK CONVERGENCE MAY ALLOW FOR A SOMEWHAT EXTENDED PERIOD
OF DISCRETE/SEMI-DISCRETE STORMS IN A MOISTURE-RICH ENVIRONMENT.

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
550. MEAN STORM MOTION VECTOR 28025.


...CORFIDI

Tornado Watches in Tennessee, 2012Tornado Watches in Arkansas, 2012Tornado Watches in Mississippi, 2012Every tornado watch in 2012

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.