Tornado Watch 239

Issued

May 29, 2013, 12:22 PM CDT (17:22 UTC)

Expired

May 29, 2013, 11:00 PM CDT

In force

11 hr

Issued by

the Storm Prediction Center

Largest hail expected

2.5 in

Strongest gust expected

60 kt

The Dodge City radar (KDDC), 83 km from the middle of the area, began a volume at 17:22 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

70%

One or more EF2 to EF5 tornadoes

50%

Ten or more severe wind reports

40%

One or more gusts of 65 knots or more

20%

Ten or more severe hail reports

80%

One or more hailstones of 2 inches or more

60%

Six or more combined severe hail and wind reports

95%

• Mesoscale Discussion 854May 29, 11:33 AM CDT
• Mesoscale Discussion 856May 29, 2:06 PM CDT
• Mesoscale Discussion 858May 29, 3:00 PM CDT
• Mesoscale Discussion 859May 29, 3:12 PM CDT
• Mesoscale Discussion 867May 29, 7:36 PM CDT

588 
WWUS20 KWNS 291726
SEL9  
SPC WW 291726
KSZ000-OKZ000-TXZ000-300300-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 239
NWS STORM PREDICTION CENTER NORMAN OK
1225 PM CDT WED MAY 29 2013

THE NWS STORM PREDICTION CENTER HAS ISSUED A

* TORNADO WATCH FOR PORTIONS OF 
  WESTERN AND CENTRAL KANSAS
  WESTERN OKLAHOMA INCLUDING THE CENTRAL AND EASTERN PANHANDLE
  NORTHWEST TEXAS INCLUDING THE EASTERN PANHANDLE

* EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 1225 PM
  UNTIL 1000 PM CDT.

* PRIMARY THREATS INCLUDE...
  SEVERAL INTENSE TORNADOES POSSIBLE
  SEVERAL VERY LARGE HAIL EVENTS TO 2.5 INCHES IN DIAMETER LIKELY
  SEVERAL DAMAGING WIND GUSTS TO 70 MPH POSSIBLE

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 90 STATUTE
MILES EAST AND WEST OF A LINE FROM 60 MILES WEST NORTHWEST OF
RUSSELL KANSAS TO 45 MILES SOUTH SOUTHEAST OF CHILDRESS TEXAS. 
FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU9).

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

DISCUSSION...TSTM INITIATION IS UNDERWAY E OF THE DRYLINE IN
RESPONSE TO THE EWD MIGRATION OF A SHORT-WAVE TROUGH INTO THE SRN
PLAINS.  THE PRESENCE OF VERY STEEP MIDLEVEL LAPSE RATES AND A MOIST
BOUNDARY LAYER IS ALREADY RESULTING IN MLCAPE VALUES OF 2000-3000
J/KG WITH A DECREASING CAP.  DESPITE SOME VEER-BACK TENDENCIES IN
OBSERVED AND FORECAST WIND PROFILES...LOW-LEVEL SHEAR WILL
STRENGTHEN INTO THIS EVENING SUPPORTING A RISK FOR TORNADOES /SOME
POTENTIALLY SIGNIFICANT/ IN ADDITION TO VERY LARGE HAIL WITH THE
MOST INTENSE SUPERCELLS THAT DEVELOP.

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 24025.


...MEAD

Tornado Watches in Kansas, 2013Tornado Watches in Oklahoma, 2013Tornado Watches in Texas, 2013Every tornado watch in 2013

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.