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
TORNADO WATCH NUMBER 84
NWS STORM PREDICTION CENTER NORMAN OK
455 PM CDT WED MAR 28 2007
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
WESTERN OKLAHOMA
PARTS OF NORTHWEST TEXAS
EFFECTIVE THIS WEDNESDAY AFTERNOON FROM 455 PM UNTIL MIDNIGHT 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 60 STATUTE
MILES EAST AND WEST OF A LINE FROM 20 MILES NORTHWEST OF ALVA
OKLAHOMA TO 45 MILES SOUTHWEST OF WICHITA FALLS TEXAS. FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU4).
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 80...WW 81...WW 82...WW
83...
DISCUSSION...STORMS ARE DEVELOPING RAPIDLY ACROSS TX PANHANDLE E OF
DRY LINE. WITH AXIS OF VERY UNSTABLE AIR AND VERY FAVORABLE SHEAR
ENVIRONMENT ALONG WRN OK/TX BORDER...SUPERCELLS EXPECTED TO DEVELOP
NEWD ACROSS WATCH AREA THROUGH THE EVENING. POTENTIAL FOR STRONG
TORNADOES ALONG WITH VERY LARGE HAIL WITH ANY SUPERCELL.
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 22035.
...HALES
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW4
WW 84 TORNADO OK TX 282155Z - 290500Z
AXIS..60 STATUTE MILES EAST AND WEST OF LINE..
20NW AVK/ALVA OK/ - 45SW SPS/WICHITA FALLS TX/
..AVIATION COORDS.. 50NM E/W /60NE GAG - 37SW SPS/
HAIL SURFACE AND ALOFT..3 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 550. MEAN STORM MOTION VECTOR 22035.
LAT...LON 36979783 33509801 33500008 36970001
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU4.
Watch 84 Status Report Messages:
STATUS REPORT #5 ON WW 84
VALID 290335Z - 290440Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 20 NE AVK TO
50 NE CSM TO 30 E CSM TO 20 NW FSI TO 20 E LTS TO 30 S LTS TO 65
SW SPS.
..BOTHWELL..03/29/07
ATTN...WFO...OUN...
&&
STATUS REPORT FOR WT 84
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
OKC009-039-043-045-055-057-059-065-075-129-149-151-153-290440-
OK
. OKLAHOMA COUNTIES INCLUDED ARE
BECKHAM CUSTER DEWEY
ELLIS GREER HARMON
HARPER JACKSON KIOWA
ROGER MILLS WASHITA WOODS
WOODWARD
$$
TXC155-197-275-290440-
TX
. TEXAS COUNTIES INCLUDED ARE
FOARD HARDEMAN KNOX
$$
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.
$$
STATUS REPORT #4 ON WW 84
VALID 290240Z - 290340Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 20 NE AVK TO
45 NE CSM TO 20 NW FSI TO 20 SSE LTS TO 30 S LTS TO 65 SW SPS.
..BOTHWELL..03/29/07
ATTN...WFO...OUN...
&&
STATUS REPORT FOR WT 84
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
OKC009-039-043-045-055-057-059-065-075-129-149-151-153-290340-
OK
. OKLAHOMA COUNTIES INCLUDED ARE
BECKHAM CUSTER DEWEY
ELLIS GREER HARMON
HARPER JACKSON KIOWA
ROGER MILLS WASHITA WOODS
WOODWARD
$$
TXC155-197-275-290340-
TX
. TEXAS COUNTIES INCLUDED ARE
FOARD HARDEMAN KNOX
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #3 ON WW 84
VALID 290130Z - 290240Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..BOTHWELL..03/29/07
ATTN...WFO...OUN...
&&
STATUS REPORT FOR WT 84
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
OKC003-009-011-015-031-033-039-043-045-055-057-059-065-075-093-
129-141-149-151-153-290240-
OK
. OKLAHOMA COUNTIES INCLUDED ARE
ALFALFA BECKHAM BLAINE
CADDO COMANCHE COTTON
CUSTER DEWEY ELLIS
GREER HARMON HARPER
JACKSON KIOWA MAJOR
ROGER MILLS TILLMAN WASHITA
WOODS WOODWARD
$$
TXC009-023-077-155-197-275-485-487-290240-
TX
. TEXAS COUNTIES INCLUDED ARE
ARCHER BAYLOR CLAY
FOARD HARDEMAN KNOX
WICHITA WILBARGER
$$
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.
$$
STATUS REPORT #2 ON WW 84
VALID 290045Z - 290140Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..GOSS..03/29/07
ATTN...WFO...OUN...
&&
STATUS REPORT FOR WT 84
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
OKC003-009-011-015-031-033-039-043-045-055-057-059-065-075-093-
129-141-149-151-153-290140-
OK
. OKLAHOMA COUNTIES INCLUDED ARE
ALFALFA BECKHAM BLAINE
CADDO COMANCHE COTTON
CUSTER DEWEY ELLIS
GREER HARMON HARPER
JACKSON KIOWA MAJOR
ROGER MILLS TILLMAN WASHITA
WOODS WOODWARD
$$
TXC009-023-077-155-197-275-485-487-290140-
TX
. TEXAS COUNTIES INCLUDED ARE
ARCHER BAYLOR CLAY
FOARD HARDEMAN KNOX
WICHITA WILBARGER
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #1 ON WW 84
VALID 282345Z - 290040Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..GOSS..03/28/07
ATTN...WFO...OUN...
&&
STATUS REPORT FOR WT 84
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
OKC003-009-011-015-031-033-039-043-045-055-057-059-065-075-093-
129-141-149-151-153-290040-
OK
. OKLAHOMA COUNTIES INCLUDED ARE
ALFALFA BECKHAM BLAINE
CADDO COMANCHE COTTON
CUSTER DEWEY ELLIS
GREER HARMON HARPER
JACKSON KIOWA MAJOR
ROGER MILLS TILLMAN WASHITA
WOODS WOODWARD
$$
TXC009-023-077-155-197-275-485-487-290040-
TX
. TEXAS COUNTIES INCLUDED ARE
ARCHER BAYLOR CLAY
FOARD HARDEMAN KNOX
WICHITA WILBARGER
$$
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 (50%)
|
Probability of 1 or more strong (F2-F5) tornadoes
|
Mod (30%)
|
Wind
Probability of 10 or more severe wind events
|
Mod (40%)
|
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 (30%)
|
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.