Tornado Watch 324

Issued

May 30, 2012, 5:11 PM CDT (22:11 UTC)

Expired

May 30, 2012, 11:32 PM CDT

In force

6 hr

Issued by

the Storm Prediction Center

Largest hail expected

4 in

Strongest gust expected

70 kt

The Dyess AFB radar (KDYX), 55 km from the middle of the area, began a volume at 22:12 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

50%

One or more EF2 to EF5 tornadoes

20%

Ten or more severe wind reports

60%

One or more gusts of 65 knots or more

50%

Ten or more severe hail reports

60%

One or more hailstones of 2 inches or more

80%

Six or more combined severe hail and wind reports

95%

• Mesoscale Discussion 982May 30, 2:58 PM CDT
• Mesoscale Discussion 984May 30, 4:52 PM CDT
• Mesoscale Discussion 988May 30, 7:37 PM CDT
• Mesoscale Discussion 990May 30, 10:15 PM CDT

617 
WWUS20 KWNS 302214
SEL4
SPC WW 302214
TXZ000-310500-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 324
NWS STORM PREDICTION CENTER NORMAN OK
410 PM CST WED MAY 30 2012

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

       WEST CENTRAL TEXAS

EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 410 PM UNTIL
1100 PM CST.

TORNADOES...HAIL TO 4 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 60 STATUTE
MILES EAST AND WEST OF A LINE FROM 70 MILES NORTH OF ABILENE
TEXAS TO 45 MILES EAST SOUTHEAST OF JUNCTION TEXAS.  FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU4).

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 321...WW 322...WW 323...

DISCUSSION...TSTMS ARE STARTING TO FORM ALONG ARCED DRY LINE OVER
ERN PARTS OF THE PERMIAN BASIN AND THE WRN HILL COUNTRY/BIG COUNTRY.
 STORMS ARE DEVELOPING IN A RELATIVELY MOIST /AVERAGE SFC DEW POINTS
MID 60S F/ BOUNDARY LAYER WITH STEEP LOW TO MID LVL LAPSE RATES.
COUPLED WITH PRESENCE OF ENHANCED WLY MID-UPR LVL FLOW /AOA 40 KTS
AT 500 MB/ ASSOCIATED WITH SRN STREAM JET...SETUP MAY SUPPORT A FEW
INTENSE SUPERCELLS CAPABLE OF VERY LARGE HAIL...DMGG WIND...AND
TORNADOES.  POTENTIAL ALSO WILL EXIST FOR THE STORMS TO MERGE INTO
ONE OR TWO MULTI-COUNTY CLUSTERS.  IF SUCH A SCENARIO
UNFOLDS...EMBEDDED CIRCULATIONS MAY EXTEND THE SVR THREAT SSEWD
THROUGH LATE EVE.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 4 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
600. MEAN STORM MOTION VECTOR 30020.


...CORFIDI

Tornado Watches in Texas, 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.