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Watch Status Reports.
SEL3
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 373
NWS STORM PREDICTION CENTER NORMAN OK
545 AM CDT THU JUN 11 2009
THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
SOUTHEAST TEXAS
EFFECTIVE THIS THURSDAY MORNING FROM 545 AM UNTIL 1000 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 45
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 55 MILES NORTH
NORTHWEST OF COLLEGE STATION TEXAS TO 50 MILES SOUTHEAST OF
LUFKIN TEXAS. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU3).
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 372...
DISCUSSION...STRONG TO SEVERE STORMS CONTINUE TO SPREAD GENERALLY
SEWD ALONG RESIDUAL OUTFLOW BOUNDARY/WARM FRONT ACROSS ERN/SERN TX
THIS MORNING. MOISTURE FLUX AND INSTABILITY SHOULD MAINTAIN ROBUST
UPDRAFTS WITHIN THE LARGE COMPLEX OF STORMS WHERE STRONGLY VEERED
LOW LEVEL FLOW AND 50KT WLY MID LEVEL JET STREAK ARE PROVIDING
SUFFICIENT BULK SHEAR FOR ORGANIZED STORM STRUCTURE. HAIL AND HIGH
WIND POTENTIAL SHOULD PERSIST WITH THE STRONGER CELLS FOR AT LEAST
ANOTHER 1-2 HOURS AS COMPLEX MOVES TOWARD THE SABINE RIVER/BPT AREA.
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 550. MEAN STORM
MOTION VECTOR 31030.
...CARBIN
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW3
WW 373 SEVERE TSTM TX 111045Z - 111500Z
AXIS..45 STATUTE MILES NORTH AND SOUTH OF LINE..
55NNW CLL/COLLEGE STATION TX/ - 50SE LFK/LUFKIN TX/
..AVIATION COORDS.. 40NM N/S /35SE ACT - 39SE LFK/
HAIL SURFACE AND ALOFT..2 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 550. MEAN STORM MOTION VECTOR 31030.
LAT...LON 31969673 31379415 30069415 30659673
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU3.
Watch 373 Status Report Messages:
STATUS REPORT #3 ON WW 373
VALID 111335Z - 111440Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 30 SW UTS TO
40 NNW UTS TO 45 NW LFK.
..MEAD..06/11/09
ATTN...WFO...SHV...FWD...LCH...HGX...
&&
STATUS REPORT FOR WS 373
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
TXC005-199-225-373-407-455-457-471-111440-
TX
. TEXAS COUNTIES INCLUDED ARE
ANGELINA HARDIN HOUSTON
POLK SAN JACINTO TRINITY
TYLER WALKER
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #2 ON WW 373
VALID 111250Z - 111340Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 10 ESE CLL
TO 45 NNW UTS TO 45 SSW TYR.
..PETERS..06/11/09
ATTN...WFO...SHV...FWD...LCH...HGX...
&&
STATUS REPORT FOR WS 373
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
TXC005-199-225-373-407-455-457-471-111340-
TX
. TEXAS COUNTIES INCLUDED ARE
ANGELINA HARDIN HOUSTON
POLK SAN JACINTO TRINITY
TYLER WALKER
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #1 ON WW 373
VALID 111140Z - 111240Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..PETERS..06/11/09
ATTN...WFO...SHV...FWD...LCH...HGX...
&&
STATUS REPORT FOR WS 373
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
TXC005-161-199-225-289-293-313-373-407-455-457-471-111240-
TX
. TEXAS COUNTIES INCLUDED ARE
ANGELINA FREESTONE HARDIN
HOUSTON LEON LIMESTONE
MADISON POLK SAN JACINTO
TRINITY TYLER WALKER
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
Note:
Click for Complete Product Text.
Tornadoes
Probability of 2 or more tornadoes
|
Low (20%)
|
Probability of 1 or more strong (F2-F5) tornadoes
|
Low (5%)
|
Wind
Probability of 10 or more severe wind events
|
Low (20%)
|
Probability of 1 or more wind events > 65 knots
|
Low (20%)
|
Hail
Probability of 10 or more severe hail events
|
Low (10%)
|
Probability
of 1 or
more hailstones > 2 inches
|
Low (10%)
|
Combined Severe Hail/Wind
Probability of 6 or more combined severe hail/wind events
|
Mod (50%)
|
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 
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