Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL4
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 364
NWS STORM PREDICTION CENTER NORMAN OK
1110 AM CDT WED JUN 10 2009
THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
WESTERN OKLAHOMA
EASTERN TEXAS PANHANDLE
EFFECTIVE THIS WEDNESDAY MORNING AND EVENING FROM 1110 AM UNTIL
600 PM CDT.
HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 65
STATUTE MILES EAST AND WEST OF A LINE FROM 55 MILES SOUTHWEST OF
CLINTON OKLAHOMA TO 15 MILES NORTH OF ALVA OKLAHOMA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU4).
REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR 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. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY
DO PRODUCE TORNADOES.
OTHER WATCH INFORMATION...CONTINUE...WW 363...
DISCUSSION...ELEVATED CLUSTER OF TSTMS IS EXPECTED TO BECOME
PROGRESSIVELY SURFACE-BASED THIS AFTERNOON AS BOUNDARY LAYER
WARMS/DESTABILIZES. THE COMBINATION OF MODERATE INSTABILITY AND
STRENGTHENING VERTICAL SHEAR SHOULD SERVE TO MAINTAIN COMPLEX WITH
THE POTENTIAL FOR EMBEDDED SUPERCELL AND/OR BOWING STRUCTURES
CAPABLE OF HAIL AND DAMAGING WIND GUSTS.
AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM
MOTION VECTOR 24035.
...MEAD/THOMPSON
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW4
WW 364 SEVERE TSTM OK TX 101610Z - 102300Z
AXIS..65 STATUTE MILES EAST AND WEST OF LINE..
55SW CSM/CLINTON OK/ - 15N AVK/ALVA OK/
..AVIATION COORDS.. 55NM E/W /31NE CDS - 53NW END/
HAIL SURFACE AND ALOFT..2 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 24035.
LAT...LON 34750102 36979984 36979748 34759873
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU4.
Watch 364 Status Report Messages:
STATUS REPORT #4 ON WW 364
VALID 102040Z - 102140Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 20 WNW LTS
TO 10 NNE CSM TO 35 WNW OKC.
..MEAD..06/10/09
ATTN...WFO...OUN...AMA...
&&
STATUS REPORT FOR WS 364
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
OKC015-017-031-033-051-065-075-137-141-149-102140-
OK
. OKLAHOMA COUNTIES INCLUDED ARE
CADDO CANADIAN COMANCHE
COTTON GRADY JACKSON
KIOWA STEPHENS TILLMAN
WASHITA
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #3 ON WW 364
VALID 101940Z - 102040Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 25 NNE CDS
TO 20 WNW CSM TO 30 ENE CSM TO 30 WSW END TO 15 SW END TO 35 N
END TO 40 ESE P28.
..MEAD..06/10/09
ATTN...WFO...OUN...AMA...
&&
STATUS REPORT FOR WS 364
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
OKC009-011-015-017-031-033-047-051-053-055-057-065-073-075-137-
141-149-102040-
OK
. OKLAHOMA COUNTIES INCLUDED ARE
BECKHAM BLAINE CADDO
CANADIAN COMANCHE COTTON
GARFIELD GRADY GRANT
GREER HARMON JACKSON
KINGFISHER KIOWA STEPHENS
TILLMAN WASHITA
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #2 ON WW 364
VALID 101845Z - 101940Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..MEAD..06/10/09
ATTN...WFO...OUN...AMA...
&&
STATUS REPORT FOR WS 364
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
OKC003-009-011-015-017-039-043-045-047-053-055-057-059-065-073-
075-093-129-149-151-153-101940-
OK
. OKLAHOMA COUNTIES INCLUDED ARE
ALFALFA BECKHAM BLAINE
CADDO CANADIAN CUSTER
DEWEY ELLIS GARFIELD
GRANT GREER HARMON
HARPER JACKSON KINGFISHER
KIOWA MAJOR ROGER MILLS
WASHITA WOODS WOODWARD
$$
TXC087-129-179-211-295-483-101940-
TX
. TEXAS COUNTIES INCLUDED ARE
COLLINGSWORTH DONLEY GRAY
HEMPHILL LIPSCOMB WHEELER
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #1 ON WW 364
VALID 101735Z - 101840Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..MEAD..06/10/09
ATTN...WFO...OUN...AMA...
&&
STATUS REPORT FOR WS 364
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
OKC003-009-011-015-017-039-043-045-047-053-055-057-059-065-073-
075-093-129-149-151-153-101840-
OK
. OKLAHOMA COUNTIES INCLUDED ARE
ALFALFA BECKHAM BLAINE
CADDO CANADIAN CUSTER
DEWEY ELLIS GARFIELD
GRANT GREER HARMON
HARPER JACKSON KINGFISHER
KIOWA MAJOR ROGER MILLS
WASHITA WOODS WOODWARD
$$
TXC087-129-179-211-295-483-101840-
TX
. TEXAS COUNTIES INCLUDED ARE
COLLINGSWORTH DONLEY GRAY
HEMPHILL LIPSCOMB WHEELER
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
Note:
Click for Complete Product Text.
Tornadoes
Probability of 2 or more tornadoes
|
Low (20%)
|
Probability of 1 or more strong (F2-F5) tornadoes
|
Low (5%)
|
Wind
Probability of 10 or more severe wind events
|
Mod (30%)
|
Probability of 1 or more wind events > 65 knots
|
Mod (30%)
|
Hail
Probability of 10 or more severe hail events
|
Mod (30%)
|
Probability
of 1 or
more hailstones > 2 inches
|
Low (20%)
|
Combined Severe Hail/Wind
Probability of 6 or more combined severe hail/wind events
|
High (70%)
|
For each watch, probabilities for particular events inside the watch
(listed above in each table) are determined by the issuing forecaster.
The "Low" category contains probability values ranging from less than 2%
to 20% (F2-F5 tornadoes), less than 5% to 20% (all other probabilities),
"Moderate" from 30% to 60%, and "High" from 70% to greater than 95%.
High values are bolded and lighter in color to provide awareness of
an increased threat for a particular event.