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 274
NWS STORM PREDICTION CENTER NORMAN OK
345 PM CDT WED MAY 7 2008
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
EAST CENTRAL TEXAS
EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 345 PM UNTIL
900 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 55 STATUTE
MILES EAST AND WEST OF A LINE FROM 45 MILES SOUTHEAST OF TEMPLE
TEXAS TO 50 MILES NORTH NORTHEAST OF CORSICANA 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 273...
DISCUSSION...SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP ALONG
SURFACE DRYLINE FROM WEST OF TPL TO NEAR DAL. THESE STORMS WILL
THEN TRACK EASTWARD ACROSS THE WATCH AREA DURING THE EVENING.
SUPERCELLS CAPABLE OF TORNADOES...LARGE HAIL...AND DAMAGING WINDS
ARE POSSIBLE.
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
500. 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.
SAW4
WW 274 TORNADO TX 072045Z - 080200Z
AXIS..55 STATUTE MILES EAST AND WEST OF LINE..
45SE TPL/TEMPLE TX/ - 50NNE CRS/CORSICANA TX/
..AVIATION COORDS.. 50NM E/W /48ENE AUS - 50ESE DFW/
HAIL SURFACE AND ALOFT..2 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 25035.
LAT...LON 30699780 32689701 32689512 30699595
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU4.
Watch 274 Status Report Messages:
STATUS REPORT #4 ON WW 274
VALID 080130Z - 080200Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 15 WNW CLL
TO 30 E TPL TO 15 SSE TYR.
WW 274 IS SCHEDULED TO EXPIRE AT 080200Z.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 816.
..GRAMS..05/08/08
ATTN...WFO...FWD...
&&
STATUS REPORT FOR WT 274
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
TXC001-161-289-293-395-080200-
TX
. TEXAS COUNTIES INCLUDED ARE
ANDERSON FREESTONE LEON
LIMESTONE ROBERTSON
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #3 ON WW 274
VALID 080035Z - 080140Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 20 NNE AUS
TO 20 ENE TPL TO 15 NE CRS TO 45 NW TYR.
..HURLBUT..05/08/08
ATTN...WFO...FWD...
&&
STATUS REPORT FOR WT 274
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
TXC001-161-213-289-293-331-395-467-080140-
TX
. TEXAS COUNTIES INCLUDED ARE
ANDERSON FREESTONE HENDERSON
LEON LIMESTONE MILAM
ROBERTSON 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 274
VALID 072235Z - 072340Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..HURLBUT..05/07/08
ATTN...WFO...FWD...
&&
STATUS REPORT FOR WT 274
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
TXC001-027-139-145-161-213-217-257-289-293-309-331-349-395-467-
072340-
TX
. TEXAS COUNTIES INCLUDED ARE
ANDERSON BELL ELLIS
FALLS FREESTONE HENDERSON
HILL KAUFMAN LEON
LIMESTONE MCLENNAN MILAM
NAVARRO ROBERTSON 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 274
VALID 072130Z - 072240Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..HURLBUT..05/07/08
ATTN...WFO...FWD...
&&
STATUS REPORT FOR WT 274
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
TXC001-027-139-145-161-213-217-257-289-293-309-331-349-395-467-
072240-
TX
. TEXAS COUNTIES INCLUDED ARE
ANDERSON BELL ELLIS
FALLS FREESTONE HENDERSON
HILL KAUFMAN LEON
LIMESTONE MCLENNAN MILAM
NAVARRO ROBERTSON 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 (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 (50%)
|
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.
weather.gov 
