Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL6
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 96
NWS STORM PREDICTION CENTER NORMAN OK
850 PM CDT MON MAR 30 2009
THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
NORTH CENTRAL AND NORTHEAST TEXAS
EFFECTIVE THIS MONDAY NIGHT AND TUESDAY MORNING FROM 850 PM UNTIL
200 AM CDT.
HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 70
STATUTE MILES EAST AND WEST OF A LINE FROM 20 MILES EAST
NORTHEAST OF SHERMAN TEXAS TO 25 MILES SOUTH OF FORT WORTH TEXAS.
FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU6).
REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR 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. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY
DO PRODUCE TORNADOES.
OTHER WATCH INFORMATION...CONTINUE...WW 95...
DISCUSSION...TSTMS CONTINUE TO BACKBUILD SWWD INTO NCNTRL TX THIS
EVE ALONG A CDFNT/DRYLINE COLLISION. CAP WILL CONTINUE TO WEAKEN
THROUGH THE EVENING AND TSTMS SHOULD DEVELOP ESEWD ACROSS
NCNTRL/NERN TX. STEEP MID-LVL LAPSE RATES AND EFFECTIVE SHEAR
VALUES IN EXCESS OF 50 KTS WILL FAVOR LARGE HAIL. DMGG WIND GUSTS
CAN ALSO BE EXPECTED.
AVIATION...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 27035.
...RACY/HART
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW6
WW 96 SEVERE TSTM TX 310150Z - 310700Z
AXIS..70 STATUTE MILES EAST AND WEST OF LINE..
20ENE GYI/SHERMAN TX/ - 25S FTW/FORT WORTH TX/
..AVIATION COORDS.. 60NM E/W /47ESE ADM - 30SW DFW/
HAIL SURFACE AND ALOFT..2 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 450. MEAN STORM MOTION VECTOR 27035.
LAT...LON 33819512 32459616 32459856 33819756
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU6.
Watch 96 Status Report Messages:
STATUS REPORT #4 ON WW 96
VALID 310640Z - 310700Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 30 NNW CRS
TO 50 NNW TYR.
WW 96 WILL BE ALLOWED TO EXPIRE AT 310700Z.
..PETERS..03/31/09
ATTN...WFO...FWD...
&&
STATUS REPORT FOR WS 96
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
TXC139-223-257-379-467-310700-
TX
. TEXAS COUNTIES INCLUDED ARE
ELLIS HOPKINS KAUFMAN
RAINS 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 #3 ON WW 96
VALID 310535Z - 310640Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 30 SSW DAL
TO 10 ESE DAL TO 10 N GYI.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 342.
..PETERS..03/31/09
ATTN...WFO...FWD...
&&
STATUS REPORT FOR WS 96
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
TXC085-119-139-147-181-223-231-257-277-379-397-467-310640-
TX
. TEXAS COUNTIES INCLUDED ARE
COLLIN DELTA ELLIS
FANNIN GRAYSON HOPKINS
HUNT KAUFMAN LAMAR
RAINS ROCKWALL 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 96
VALID 310450Z - 310540Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 25 S FTW TO
20 NNE DAL TO 10 NNE GYI.
..SPC..03/31/09
ATTN...WFO...FWD...
&&
STATUS REPORT FOR WS 96
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
TXC085-119-139-147-181-223-231-251-257-277-379-397-467-310540-
TX
. TEXAS COUNTIES INCLUDED ARE
COLLIN DELTA ELLIS
FANNIN GRAYSON HOPKINS
HUNT JOHNSON KAUFMAN
LAMAR RAINS ROCKWALL
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 96
VALID 310405Z - 310540Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 20 NNE SEP
TO 40 SW ADM.
..SPC..03/31/09
ATTN...WFO...FWD...
&&
STATUS REPORT FOR WS 96
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
TXC085-097-113-119-121-139-147-181-223-231-251-257-277-379-397-
439-467-310540-
TX
. TEXAS COUNTIES INCLUDED ARE
COLLIN COOKE DALLAS
DELTA DENTON ELLIS
FANNIN GRAYSON HOPKINS
HUNT JOHNSON KAUFMAN
LAMAR RAINS 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
|
Low (<5%)
|
Probability of 1 or more strong (F2-F5) tornadoes
|
Low (5%)
|
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
|
Low (20%)
|
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 
