Tornado Watch 347

Issued

Jun 3, 2012, 6:40 PM CDT (23:40 UTC)

Expired

Jun 3, 2012, 10:06 PM CDT

In force

3 hr

Issued by

the Storm Prediction Center

Largest hail expected

3 in

Strongest gust expected

65 kt

The Vance AFB radar (KVNX), 85 km from the middle of the area, began a volume at 23:40 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

80%

One or more gusts of 65 knots or more

30%

Ten or more severe hail reports

80%

One or more hailstones of 2 inches or more

30%

Six or more combined severe hail and wind reports

95%

• Mesoscale Discussion 1032Jun 3, 3:25 PM CDT
• Mesoscale Discussion 1039Jun 3, 7:47 PM CDT
• Mesoscale Discussion 1040Jun 3, 8:03 PM CDT
• Mesoscale Discussion 1043Jun 3, 9:46 PM CDT

627 
WWUS20 KWNS 032344
SEL7
SPC WW 032344
KSZ000-OKZ000-TXZ000-040700-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 347
NWS STORM PREDICTION CENTER NORMAN OK
640 PM CDT SUN JUN 3 2012

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

       FAR SOUTHERN KANSAS
       WESTERN AND NORTHERN OKLAHOMA
       NORTHEASTERN TEXAS PANHANDLE

EFFECTIVE THIS SUNDAY NIGHT AND MONDAY MORNING FROM 640 PM UNTIL
200 AM CDT.

TORNADOES...HAIL TO 3 INCHES IN DIAMETER...THUNDERSTORM WIND
GUSTS TO 75 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
AREAS.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 70 STATUTE
MILES NORTH AND SOUTH OF A LINE FROM 50 MILES SOUTH OF LIBERAL
KANSAS TO 55 MILES NORTHEAST OF CHANDLER OKLAHOMA.  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 344...WW 345...WW 346...

DISCUSSION...TSTMS EXPECTED TO INCREASE OVER THE NEXT FEW HOURS
INVOF WEAK W-E FRONT OVER NRN OK AND PERHAPS FAR SRN KS...AND INVOF
NW-MOVING OUTFLOW BOUNDARY/MOISTURE GRADIENT IN THE NE TX PANHANDLE.
 ACTIVITY WILL BE SUPPORTED BY STRENGTHENING SSWLY LLJ...AND
POSSIBLY BY ASCENT ASSOCIATED WITH UPR IMPULSE DRIFTING ESE FROM SW
KS.  DEEP WNWLY SHEAR WILL REMAIN COMPARATIVELY MODEST...AROUND 30
KTS...BUT SUFFICIENT FOR SUSTAINED STORMS/SUPERCELLS.  COUPLED
QUALITY OF MOISTURE...STEEP LOW TO MID LVL LAPSE RATES...AND LOW LVL
DIRECTIONAL SHEAR ASSOCIATED WITH LLJ...POTENTIAL WILL EXIST FOR
VERY LARGE HAIL...HIGH WIND...AND TORNADOES.  THE STORMS SHOULD
EVOLVE INTO A COUPLE OF CLUSTERS LATER TNGT/EARLY MON...WITH
PREDOMINANT MOTION EXPECTED TO BE SE TO POSSIBLY SSEWD.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 65 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
600. MEAN STORM MOTION VECTOR 29025.


...CORFIDI

Tornado Watches in Oklahoma, 2012Tornado Watches in Kansas, 2012Tornado 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.