Tornado Watch 597

Issued

Aug 30, 2012, 7:13 AM CDT (12:13 UTC)

Expired

Aug 30, 2012, 4:00 PM CDT

In force

9 hr

Issued by

the Storm Prediction Center

Strongest gust expected

60 kt

The Jackson/Brandon,MS radar (KDGX), 102 km from the middle of the area, began a volume at 12:15 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

20%

One or more gusts of 65 knots or more

10%

Ten or more severe hail reports

5%

One or more hailstones of 2 inches or more

5%

Six or more combined severe hail and wind reports

40%

• Mesoscale Discussion 1838Aug 30, 3:18 AM CDT
• Mesoscale Discussion 1839Aug 30, 6:33 AM CDT
• Mesoscale Discussion 1840Aug 30, 12:57 PM CDT

965 
WWUS20 KWNS 301214
SEL7
SPC WW 301214
ALZ000-FLZ000-LAZ000-MSZ000-CWZ000-302100-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 597
NWS STORM PREDICTION CENTER NORMAN OK
715 AM CDT THU AUG 30 2012

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

       WESTERN AND SOUTHERN ALABAMA
       WESTERN PANHANDLE OF FLORIDA
       SOUTHEASTERN LOUISIANA
       CENTRAL AND SOUTHERN MISSISSIPPI
       COASTAL WATERS

EFFECTIVE THIS THURSDAY MORNING AND AFTERNOON FROM 715 AM UNTIL
400 PM CDT.

TORNADOES...THUNDERSTORM WIND GUSTS TO 70 MPH...AND DANGEROUS
LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 95 STATUTE
MILES NORTH AND SOUTH OF A LINE FROM 35 MILES WEST SOUTHWEST OF
JACKSON MISSISSIPPI TO 10 MILES NORTH OF CRESTVIEW FLORIDA.  FOR
A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU7).

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 596...

DISCUSSION...TORNADO POTENTIAL EXPECTED TO EXPAND/SHIFT FARTHER
INLAND TODAY IN STEP WITH TRANSLATION OF MOST FAVORABLE
SHEAR/BUOYANCY SECTOR OF TS ISAAC.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH EXTREME
TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI
WITH MAXIMUM TOPS TO 550. MEAN STORM MOTION VECTOR 17035.


...EDWARDS/THOMPSON

Tornado Watches in Mississippi, 2012Tornado Watches in Alabama, 2012Tornado Watches in Florida, 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.