Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
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Watch Status Reports.
SEL7
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 297
NWS STORM PREDICTION CENTER NORMAN OK
415 PM CDT SAT MAY 10 2008
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
CENTRAL TEXAS
EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 415 PM UNTIL
900 PM 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 50 MILES NORTHEAST OF DALLAS
TEXAS TO 25 MILES SOUTHEAST OF TEMPLE 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...CONTINUE...WW 293...WW 294...WW
295...WW 296...
DISCUSSION...CAP HAS WEAKENED WHERE AIR MASS IS VERY UNSTABLE OVER
CENTRAL TX LATE TODAY. REGION WILL BE SKIRTED BY STRONG UPPER
SYSTEM MOVING ACROSS THE CENTRAL/SRN PLAINS AND SHOULD ENHANCE THE
POTENTIAL FOR AT LEAST ISOLATED SUPERCELL DEVELOPMENT ALONG THE DRY
LINE INTO CENTRAL TX. VERY LARGE HAIL WILL BE COMMON WITH ANY STORM
WHICH DEVELOPS THROUGH THE EVENING...AND SHEAR WILL BE SUFFICIENT
FOR A THREAT OF ISOLATED TORNADOES.
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
500. MEAN STORM MOTION VECTOR 27025.
...EVANS
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW7
WW 297 TORNADO TX 102115Z - 110200Z
AXIS..65 STATUTE MILES EAST AND WEST OF LINE..
50NE DAL/DALLAS TX/ - 25SE TPL/TEMPLE TX/
..AVIATION COORDS.. 55NM E/W /50NE DFW - 47NE AUS/
HAIL SURFACE AND ALOFT..3 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 27025.
LAT...LON 33369511 30889602 30889822 33369736
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU7.
Watch 297 Status Report Messages:
STATUS REPORT #3 ON WW 297
VALID 110040Z - 110140Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 40 NW TPL TO
35 NNW ACT TO 25 SSW GYI.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 870
..CROSBIE..05/11/08
ATTN...WFO...FWD...
&&
STATUS REPORT FOR WT 297
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
TXC001-027-035-085-099-113-121-139-145-161-213-217-231-251-257-
281-289-293-309-331-349-379-395-397-439-467-110140-
TX
. TEXAS COUNTIES INCLUDED ARE
ANDERSON BELL BOSQUE
COLLIN CORYELL DALLAS
DENTON ELLIS FALLS
FREESTONE HENDERSON HILL
HUNT JOHNSON KAUFMAN
LAMPASAS LEON LIMESTONE
MCLENNAN MILAM NAVARRO
RAINS ROBERTSON ROCKWALL
TARRANT VAN ZANDT
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #2 ON WW 297
VALID 110000Z - 110140Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..CROSBIE..05/10/08
ATTN...WFO...FWD...
&&
STATUS REPORT FOR WT 297
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
TXC001-027-035-085-099-113-121-139-145-161-213-217-231-251-257-
281-289-293-309-331-349-379-395-397-439-467-110140-
TX
. TEXAS COUNTIES INCLUDED ARE
ANDERSON BELL BOSQUE
COLLIN CORYELL DALLAS
DENTON ELLIS FALLS
FREESTONE HENDERSON HILL
HUNT JOHNSON KAUFMAN
LAMPASAS LEON LIMESTONE
MCLENNAN MILAM NAVARRO
RAINS ROBERTSON ROCKWALL
TARRANT VAN ZANDT
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #1 ON WW 297
VALID 102240Z - 102340Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..CROSBIE..05/10/08
ATTN...WFO...FWD...
&&
STATUS REPORT FOR WT 297
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
TXC001-027-035-085-099-113-121-139-145-161-213-217-231-251-257-
281-289-293-309-331-349-379-395-397-439-467-102340-
TX
. TEXAS COUNTIES INCLUDED ARE
ANDERSON BELL BOSQUE
COLLIN CORYELL DALLAS
DENTON ELLIS FALLS
FREESTONE HENDERSON HILL
HUNT JOHNSON KAUFMAN
LAMPASAS LEON LIMESTONE
MCLENNAN MILAM NAVARRO
RAINS ROBERTSON ROCKWALL
TARRANT VAN ZANDT
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
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 (50%)
|
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.
weather.gov 
