Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL3
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 273
NWS STORM PREDICTION CENTER NORMAN OK
135 PM CDT WED MAY 7 2008
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
SOUTH CENTRAL OKLAHOMA
NORTH CENTRAL TEXAS
EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 135 PM UNTIL
800 PM CDT.
TORNADOES...HAIL TO 2 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 70 STATUTE
MILES NORTH AND SOUTH OF A LINE FROM 55 MILES NORTH NORTHWEST OF
MINERAL WELLS TEXAS TO 45 MILES EAST SOUTHEAST OF DURANT
OKLAHOMA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU3).
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.
DISCUSSION...SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP ALONG
NORTHERN EDGE OF SURGING SURFACE DRYLINE OVER NORTH CENTRAL TX...AND
IN REGION STRONG DEEP LAYER FORCING OVER SOUTHERN OK. STORMS ARE
LIKELY TO BECOME SUPERCELLULAR WITH A RISK OF LARGE HAIL AND
DAMAGING WINDS. LOW LEVEL VERTICAL SHEAR WILL ALSO BE SUFFICIENT
FOR A RISK OF TORNADOES LATER THIS AFTERNOON AS STORMS MOVE EASTWARD
INTO DEEPER LOW LEVEL MOISTURE.
AVIATION...TORNADOES AND 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
450. MEAN STORM MOTION VECTOR 25035.
...HART
SEL3
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 273
NWS STORM PREDICTION CENTER NORMAN OK
135 PM CDT WED MAY 7 2008
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
SOUTH CENTRAL OKLAHOMA
NORTH CENTRAL TEXAS
EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 135 PM UNTIL
800 PM CDT.
TORNADOES...HAIL TO 2 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 70 STATUTE
MILES NORTH AND SOUTH OF A LINE FROM 55 MILES NORTH NORTHWEST OF
MINERAL WELLS TEXAS TO 45 MILES EAST SOUTHEAST OF DURANT
OKLAHOMA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU3).
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.
DISCUSSION...SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP ALONG
NORTHERN EDGE OF SURGING SURFACE DRYLINE OVER NORTH CENTRAL TX...AND
IN REGION STRONG DEEP LAYER FORCING OVER SOUTHERN OK. STORMS ARE
LIKELY TO BECOME SUPERCELLULAR WITH A RISK OF LARGE HAIL AND
DAMAGING WINDS. LOW LEVEL VERTICAL SHEAR WILL ALSO BE SUFFICIENT
FOR A RISK OF TORNADOES LATER THIS AFTERNOON AS STORMS MOVE EASTWARD
INTO DEEPER LOW LEVEL MOISTURE.
AVIATION...TORNADOES AND 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
450. MEAN STORM MOTION VECTOR 25035.
...HART
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW3
WW 273 TORNADO OK TX 071835Z - 080100Z
AXIS..70 STATUTE MILES NORTH AND SOUTH OF LINE..
55NNW MWL/MINERAL WELLS TX/ - 45ESE DUA/DURANT OK/
..AVIATION COORDS.. 60NM N/S /30SSE SPS - 69S MLC/
HAIL SURFACE AND ALOFT..2 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 450. MEAN STORM MOTION VECTOR 25035.
LAT...LON 34529844 34709568 32689568 32509844
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU3.
Watch 273 Status Report Messages:
STATUS REPORT #7 ON WW 273
VALID 080030Z - 080140Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 20 SSE DAL
TO 35 NE DAL TO 25 WSW MLC.
..HURLBUT..05/08/08
ATTN...WFO...OUN...FWD...
&&
STATUS REPORT FOR WT 273
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
OKC005-013-063-081-133-080140-
OK
. OKLAHOMA COUNTIES INCLUDED ARE
ATOKA BRYAN HUGHES
LINCOLN SEMINOLE
$$
TXC119-147-223-231-277-379-397-080140-
TX
. TEXAS COUNTIES INCLUDED ARE
DELTA FANNIN HOPKINS
HUNT LAMAR RAINS
ROCKWALL
$$
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.
$$
STATUS REPORT #6 ON WW 273
VALID 072320Z - 080040Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 20 SSE DAL
TO 30 SW GYI TO 40 SW ADM TO 40 NW ADM.
..HURLBUT..05/07/08
ATTN...WFO...OUN...FWD...
&&
STATUS REPORT FOR WT 273
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
OKC005-013-019-027-029-049-063-069-081-085-087-095-099-109-123-
125-133-080040-
OK
. OKLAHOMA COUNTIES INCLUDED ARE
ATOKA BRYAN CARTER
CLEVELAND COAL GARVIN
HUGHES JOHNSTON LINCOLN
LOVE MCCLAIN MARSHALL
MURRAY OKLAHOMA PONTOTOC
POTTAWATOMIE SEMINOLE
$$
TXC085-097-119-147-181-223-231-277-379-397-080040-
TX
. TEXAS COUNTIES INCLUDED ARE
COLLIN COOKE DELTA
FANNIN GRAYSON HOPKINS
HUNT LAMAR RAINS
ROCKWALL
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #5 ON WW 273
VALID 072315Z - 080040Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 25 S DAL TO
10 N DAL TO 30 SW ADM TO 35 SSE CHK.
..HURLBUT..05/07/08
ATTN...WFO...OUN...FWD...
&&
STATUS REPORT FOR WT 273
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
OKC005-013-019-027-029-049-063-069-081-085-087-095-099-109-123-
125-133-080040-
OK
. OKLAHOMA COUNTIES INCLUDED ARE
ATOKA BRYAN CARTER
CLEVELAND COAL GARVIN
HUGHES JOHNSTON LINCOLN
LOVE MCCLAIN MARSHALL
MURRAY OKLAHOMA PONTOTOC
POTTAWATOMIE SEMINOLE
$$
TXC085-097-119-147-181-223-231-277-337-379-397-080040-
TX
. TEXAS COUNTIES INCLUDED ARE
COLLIN COOKE DELTA
FANNIN GRAYSON HOPKINS
HUNT LAMAR MONTAGUE
RAINS ROCKWALL
$$
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.
$$
STATUS REPORT #4 ON WW 273
VALID 072230Z - 072340Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..HURLBUT..05/07/08
ATTN...WFO...OUN...FWD...
&&
STATUS REPORT FOR WT 273
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
OKC005-013-019-029-033-049-067-069-085-095-099-123-137-072340-
OK
. OKLAHOMA COUNTIES INCLUDED ARE
ATOKA BRYAN CARTER
COAL COTTON GARVIN
JEFFERSON JOHNSTON LOVE
MARSHALL MURRAY PONTOTOC
STEPHENS
$$
TXC077-085-097-113-119-121-147-181-223-231-237-277-337-363-367-
379-397-439-497-072340-
TX
. TEXAS COUNTIES INCLUDED ARE
CLAY COLLIN COOKE
DALLAS DELTA DENTON
FANNIN GRAYSON HOPKINS
HUNT JACK LAMAR
MONTAGUE PALO PINTO PARKER
RAINS ROCKWALL TARRANT
WISE
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #3 ON WW 273
VALID 072130Z - 072240Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..HURLBUT..05/07/08
ATTN...WFO...OUN...FWD...
&&
STATUS REPORT FOR WT 273
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
OKC005-013-019-029-033-049-067-069-085-095-099-123-137-072240-
OK
. OKLAHOMA COUNTIES INCLUDED ARE
ATOKA BRYAN CARTER
COAL COTTON GARVIN
JEFFERSON JOHNSTON LOVE
MARSHALL MURRAY PONTOTOC
STEPHENS
$$
TXC077-085-097-113-119-121-147-181-223-231-237-277-337-363-367-
379-397-439-497-072240-
TX
. TEXAS COUNTIES INCLUDED ARE
CLAY COLLIN COOKE
DALLAS DELTA DENTON
FANNIN GRAYSON HOPKINS
HUNT JACK LAMAR
MONTAGUE PALO PINTO PARKER
RAINS ROCKWALL TARRANT
WISE
$$
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.
$$
STATUS REPORT #2 ON WW 273
VALID 072030Z - 072140Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..HURLBUT..05/07/08
ATTN...WFO...OUN...FWD...
&&
STATUS REPORT FOR WT 273
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
OKC005-013-019-029-033-049-067-069-085-095-099-123-137-072140-
OK
. OKLAHOMA COUNTIES INCLUDED ARE
ATOKA BRYAN CARTER
COAL COTTON GARVIN
JEFFERSON JOHNSTON LOVE
MARSHALL MURRAY PONTOTOC
STEPHENS
$$
TXC077-085-097-113-119-121-147-181-223-231-237-277-337-363-367-
379-397-439-497-072140-
TX
. TEXAS COUNTIES INCLUDED ARE
CLAY COLLIN COOKE
DALLAS DELTA DENTON
FANNIN GRAYSON HOPKINS
HUNT JACK LAMAR
MONTAGUE PALO PINTO PARKER
RAINS ROCKWALL TARRANT
WISE
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #1 ON WW 273
VALID 071930Z - 072040Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..HURLBUT..05/07/08
ATTN...WFO...OUN...FWD...
&&
STATUS REPORT FOR WT 273
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
OKC005-013-019-029-033-049-067-069-085-095-099-123-137-072040-
OK
. OKLAHOMA COUNTIES INCLUDED ARE
ATOKA BRYAN CARTER
COAL COTTON GARVIN
JEFFERSON JOHNSTON LOVE
MARSHALL MURRAY PONTOTOC
STEPHENS
$$
TXC077-085-097-113-119-121-147-181-223-231-237-277-337-363-367-
379-397-439-497-072040-
TX
. TEXAS COUNTIES INCLUDED ARE
CLAY COLLIN COOKE
DALLAS DELTA DENTON
FANNIN GRAYSON HOPKINS
HUNT JACK LAMAR
MONTAGUE PALO PINTO PARKER
RAINS ROCKWALL TARRANT
WISE
$$
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 (50%)
|
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.