Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL9
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 269
NWS STORM PREDICTION CENTER NORMAN OK
620 PM CDT TUE MAY 6 2008
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
PARTS OF TEXAS PANHANDLE AND WESTERN TEXAS
EFFECTIVE THIS TUESDAY NIGHT AND WEDNESDAY MORNING FROM 620 PM
UNTIL 100 AM CDT.
TORNADOES...HAIL TO 3 INCHES IN DIAMETER...THUNDERSTORM WIND
GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
AREAS.
THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 65 STATUTE
MILES EAST AND WEST OF A LINE FROM 45 MILES NORTH NORTHWEST OF
BORGER TEXAS TO 50 MILES SOUTH SOUTHWEST OF SAN ANGELO TEXAS.
FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU9).
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 265...WW 266...WW
267...WW 268...
DISCUSSION...THUNDERSTORMS CONTINUE TO INCREASE IN NUMBER AND
INTENSITY ACROSS WRN TX PANHANDLE SWD. WITH VEERING SHEAR
PROFILES...STEEP LAPSE RATES AND MDT INSTABILITY...SUPERCELLS ARE
LIKELY...ACCOMPANIED BY VERY LARGE HAIL AND POSSIBLE TORNADOES.
THREAT EXPECTED TO CONTINUE THRU THE EVENING AS LOW LEVEL JET
INCREASES ENHANCING THE SHEAR.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
550. MEAN STORM MOTION VECTOR 26025.
...HALES
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW9
WW 269 TORNADO TX 062320Z - 070600Z
AXIS..65 STATUTE MILES EAST AND WEST OF LINE..
45NNW BGD/BORGER TX/ - 50SSW SJT/SAN ANGELO TX/
..AVIATION COORDS.. 55NM E/W /57SW LBL - 45SSW SJT/
HAIL SURFACE AND ALOFT..3 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 550. MEAN STORM MOTION VECTOR 26025.
LAT...LON 36290054 30709973 30700191 36290287
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU9.
Watch 269 Status Report Messages:
STATUS REPORT #1 ON WW 269
VALID 070200Z - 070340Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 802
..GUYER..05/07/08
ATTN...WFO...AMA...MAF...LUB...SJT...
&&
STATUS REPORT FOR WT 269
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
TXC011-033-045-065-075-081-087-095-101-105-107-111-117-125-129-
151-153-169-173-179-189-191-205-207-211-227-233-235-253-263-269-
303-305-335-341-345-353-359-375-381-383-393-399-415-421-431-433-
437-441-451-483-070340-
TX
. TEXAS COUNTIES INCLUDED ARE
ARMSTRONG BORDEN BRISCOE
CARSON CHILDRESS COKE
COLLINGSWORTH CONCHO COTTLE
CROCKETT CROSBY DALLAM
DEAF SMITH DICKENS DONLEY
FISHER FLOYD GARZA
GLASSCOCK GRAY HALE
HALL HARTLEY HASKELL
HEMPHILL HOWARD HUTCHINSON
IRION JONES KENT
KING LUBBOCK LYNN
MITCHELL MOORE MOTLEY
NOLAN OLDHAM POTTER
RANDALL REAGAN ROBERTS
RUNNELS SCURRY SHERMAN
STERLING STONEWALL SWISHER
TAYLOR TOM GREEN 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
|
Mod (40%)
|
Probability of 1 or more strong (F2-F5) tornadoes
|
Low (20%)
|
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 (60%)
|
Probability
of 1 or
more hailstones > 2 inches
|
Mod (40%)
|
Combined Severe Hail/Wind
Probability of 6 or more combined severe hail/wind events
|
High (80%)
|
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.
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