Tornado Watch 249

Issued

Jun 6, 2014, 8:05 PM CDT (01:05 UTC)

Expired

Jun 7, 2014, 3:00 AM CDT

In force

7 hr

Issued by

the Storm Prediction Center

Largest hail expected

2 in

Strongest gust expected

70 kt

The Vance AFB radar (KVNX), 111 km from the middle of the area, began a volume at 01:05 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

30%

Ten or more severe wind reports

70%

One or more gusts of 65 knots or more

40%

Ten or more severe hail reports

60%

One or more hailstones of 2 inches or more

30%

Six or more combined severe hail and wind reports

95%

• Mesoscale Discussion 872Jun 6, 10:55 PM CDT

933 
WWUS20 KWNS 070108
SEL9  
SPC WW 070108
OKZ000-070800-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 249
NWS STORM PREDICTION CENTER NORMAN OK
805 PM CDT FRI JUN 6 2014

THE NWS STORM PREDICTION CENTER HAS ISSUED A

* TORNADO WATCH FOR PORTIONS OF 
  WESTERN AND NORTHERN OKLAHOMA

* EFFECTIVE THIS FRIDAY NIGHT AND SATURDAY MORNING FROM 805 PM
  UNTIL 300 AM CDT.

* PRIMARY THREATS INCLUDE...
  A COUPLE INTENSE TORNADOES POSSIBLE
  SCATTERED DAMAGING WINDS LIKELY WITH ISOLATED SIGNIFICANT GUSTS
    TO 80 MPH POSSIBLE
  SCATTERED LARGE HAIL LIKELY WITH ISOLATED VERY LARGE HAIL EVENTS
    TO 2 INCHES IN DIAMETER POSSIBLE

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 65 STATUTE
MILES EAST AND WEST OF A LINE FROM 15 MILES NORTH NORTHWEST OF
ALVA OKLAHOMA TO 45 MILES SOUTH SOUTHEAST OF CLINTON OKLAHOMA. 
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.

&&

OTHER WATCH INFORMATION...CONTINUE...WW 241...WW 242...WW
243...WW 244...WW 245...WW 247...WW 248...

DISCUSSION...TSTMS NOW OVER THE TX PANHANDLE...AND OTHERS EXPECTED
TO FORM SHORTLY IN NW OK...EXPECTED TO MOVE/DEVELOP GENERALLY
EWD...WITH AN ATTENDANT THREAT FOR DMGG WIND...LARGE HAIL...AND
TORNADOES. ACTIVITY WILL BE PROMOTED BY WAA ASSOCIATED WITH EXIT
REGION OF STRENGTHENING...MOIST...SLY LLJ. ACTIVITY MAY EVOLVE INTO
A COMPLEX MCS CONTAINING LEWPS/BOWING SEGMENTS CAPABLE OF HIGH
WIND/HAIL AND SHORT-LIVED TORNADOES LATER TNGT.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
550. MEAN STORM MOTION VECTOR 26030.


...CORFIDI

Tornado Watches in Oklahoma, 2014Every tornado watch in 2014

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.