Tornado Watch 322

Issued

May 30, 2012, 3:38 PM CDT (20:38 UTC)

Expired

May 30, 2012, 9:00 PM CDT

In force

5 hr

Issued by

the Storm Prediction Center

Largest hail expected

3 in

Strongest gust expected

70 kt

The Amarillo radar (KAMA), 126 km from the middle of the area, began a volume at 20:38 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

40%

One or more gusts of 65 knots or more

20%

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

60%

• 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 989May 30, 8:38 PM CDT

608 
WWUS20 KWNS 302038
SEL2
SPC WW 302038
OKZ000-TXZ000-310200-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 322
NWS STORM PREDICTION CENTER NORMAN OK
340 PM CDT WED MAY 30 2012

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

       EXTREME SOUTHWEST OKLAHOMA
       PARTS OF THE EASTERN TEXAS PANHANDLE AND NORTHWEST TEXAS

EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 340 PM UNTIL
900 PM CDT.

TORNADOES...HAIL TO 3 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 30 STATUTE
MILES EAST AND WEST OF A LINE FROM 120 MILES NORTH OF CHILDRESS
TEXAS TO 100 MILES SOUTH OF CHILDRESS TEXAS.  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 321...

DISCUSSION...STORMS ARE DEVELOPING ON THE DRY LINE OVER THE ERN TX
PANHANDLE WITHIN A VERY UNSTABLE AND FAVORABLY SHEARED ENVIRONMENT.
SUPERCELL STORMS ARE LIKELY TO DEVELOP WITH POTENTIAL TO PRODUCE
VERY LARGE HAIL...DAMAGING WIND GUSTS...AND POSSIBLY A TORNADO OR
TWO.  ERN EXTENT OF THE THREAT AREA IS LIMITED BY LOW LEVEL
STABILITY AS INDICATED BY WAVE CLOUDS ON VISIBLE IMAGERY...RESULTING
IN A RATHER NARROW ZONE OF SEVERE WEATHER THREAT.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
600. MEAN STORM MOTION VECTOR 27015.


...WEISS

Tornado Watches in Texas, 2012Tornado Watches in Oklahoma, 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.