Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL7
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 87
NWS STORM PREDICTION CENTER NORMAN OK
1120 PM CDT WED MAR 28 2007
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
PARTS OF WESTERN OKLAHOMA
MUCH OF EASTERN TEXAS PANHANDLE
EFFECTIVE THIS WEDNESDAY NIGHT AND THURSDAY MORNING FROM 1120 PM
UNTIL 600 AM CDT.
TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND
GUSTS TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
AREAS.
THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 70 STATUTE
MILES EAST AND WEST OF A LINE FROM 45 MILES NORTH OF GAGE
OKLAHOMA TO 70 MILES SOUTHEAST OF LUBBOCK TEXAS. 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...THIS TORNADO WATCH REPLACES TORNADO
WATCH NUMBER 82...TORNADO WATCH NUMBER 84. WATCH NUMBER 82 84
WILL NOT BE IN EFFECT AFTER 1120 PM CDT. CONTINUE...WW 83...WW
85...WW 86...
DISCUSSION...SEVERE THUNDERSTORMS HAVE EVOLVED INTO A MORE LINEAR
MODE. HOWEVER WITH STRONG SHEAR AND INSTABILITY...POTENTIAL
CONTINUES FOR ISOLATED TORNADOES ALONG WITH THE VERY LARGE HAIL AND
DAMAGING WINDS WITH ANY SUPERCELL EMBEDDED OR AHEAD OF LINE.
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 24035.
...HALES
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW7
WW 87 TORNADO OK TX 290420Z - 291100Z
AXIS..70 STATUTE MILES EAST AND WEST OF LINE..
45N GAG/GAGE OK/ - 70SE LBB/LUBBOCK TX/
..AVIATION COORDS.. 60NM E/W /36N GAG - 63WNW ABI/
HAIL SURFACE AND ALOFT..2 INCHES. WIND GUSTS..70 KNOTS.
MAX TOPS TO 550. MEAN STORM MOTION VECTOR 24035.
REPLACES WW 82..OK TX
REPLACES WW 84..OK TX
LAT...LON 36939850 32939976 32930216 36930104
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU7.
Watch 87 Status Report Messages:
STATUS REPORT #4 ON WW 87
VALID 290945Z - 291040Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 45 NW ABI TO
20 SSW CSM TO 15 N AVK.
..BROYLES..03/29/07
ATTN...WFO...AMA...OUN...LUB...
&&
STATUS REPORT FOR WT 87
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
OKC039-043-075-149-291040-
OK
. OKLAHOMA COUNTIES INCLUDED ARE
CUSTER DEWEY KIOWA
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 87
VALID 290840Z - 290940Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 65 NW ABI TO
35 NE CDS TO 25 NW AVK.
..BROYLES..03/29/07
ATTN...WFO...AMA...OUN...LUB...
&&
STATUS REPORT FOR WT 87
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
OKC009-039-043-055-057-065-075-149-151-153-290940-
OK
. OKLAHOMA COUNTIES INCLUDED ARE
BECKHAM CUSTER DEWEY
GREER HARMON JACKSON
KIOWA WASHITA WOODS
WOODWARD
$$
TXC155-197-269-275-433-290940-
TX
. TEXAS COUNTIES INCLUDED ARE
FOARD HARDEMAN KING
KNOX STONEWALL
$$
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.
$$
STATUS REPORT #2 ON WW 87
VALID 290655Z - 290740Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 55 N BGS TO
50 SW GAG TO 50 NNW GAG.
..BROYLES..03/29/07
ATTN...WFO...AMA...OUN...LUB...
&&
STATUS REPORT FOR WT 87
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
OKC009-039-043-045-055-057-059-065-075-129-149-151-153-290740-
OK
. OKLAHOMA COUNTIES INCLUDED ARE
BECKHAM CUSTER DEWEY
ELLIS GREER HARMON
HARPER JACKSON KIOWA
ROGER MILLS WASHITA WOODS
WOODWARD
$$
TXC075-087-101-125-155-191-197-211-263-269-275-345-433-483-
290740-
TX
. TEXAS COUNTIES INCLUDED ARE
CHILDRESS COLLINGSWORTH COTTLE
DICKENS FOARD HALL
HARDEMAN HEMPHILL KENT
KING KNOX MOTLEY
STONEWALL 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 87
VALID 290540Z - 290640Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 50 SSW LBB
TO 20 NE LBB TO 25 ESE LBL.
..BROYLES..03/29/07
ATTN...WFO...AMA...OUN...LUB...
&&
STATUS REPORT FOR WT 87
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
OKC007-009-039-043-045-055-057-059-065-075-129-149-151-153-
290640-
OK
. OKLAHOMA COUNTIES INCLUDED ARE
BEAVER BECKHAM CUSTER
DEWEY ELLIS GREER
HARMON HARPER JACKSON
KIOWA ROGER MILLS WASHITA
WOODS WOODWARD
$$
TXC045-075-087-101-107-125-129-153-155-169-179-191-197-211-263-
269-275-295-305-345-393-433-483-290640-
TX
. TEXAS COUNTIES INCLUDED ARE
BRISCOE CHILDRESS COLLINGSWORTH
COTTLE CROSBY DICKENS
DONLEY FLOYD FOARD
GARZA GRAY HALL
HARDEMAN HEMPHILL KENT
KING KNOX LIPSCOMB
LYNN MOTLEY ROBERTS
STONEWALL WHEELER
$$
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 (40%)
|
Probability
of 1 or
more hailstones > 2 inches
|
Mod (30%)
|
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.