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
Severe Thunderstorm Watch Number 43
NWS Storm Prediction Center Norman OK
730 AM CST Wed Mar 4 2020
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Parts of central and southeast Texas
* Effective this Wednesday morning from 730 AM until NOON CST.
* Primary threats include...
Scattered large hail events to 1.5 inches in diameter possible
Isolated damaging wind gusts to 70 mph possible
SUMMARY...Thunderstorms are expected to intensify some this morning
along a surface front moving eastward from central toward east Texas
by midday. The storm environment along the front favors a mix of
supercells and bowing segments with an attendant threat for large
hail and damaging winds.
The severe thunderstorm watch area is approximately along and 50
statute miles north and south of a line from 30 miles north
northeast of Lufkin TX to 50 miles south of Waco TX. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU3).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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 39...WW 40...WW 41...WW
42...
AVIATION...A few severe thunderstorms with hail surface and aloft to
1.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 500. Mean storm motion vector
26035.
...Thompson
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW3
WW 43 SEVERE TSTM TX 041330Z - 041800Z
AXIS..50 STATUTE MILES NORTH AND SOUTH OF LINE..
30NNE LFK/LUFKIN TX/ - 50S ACT/WACO TX/
..AVIATION COORDS.. 45NM N/S /30NNE LFK - 35NNE CWK/
HAIL SURFACE AND ALOFT..1.5 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 26035.
LAT...LON 30919455 30179723 31629723 32349455
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU3.
Watch 43 Status Report Messages:
STATUS REPORT #4 ON WW 43
VALID 041735Z - 041800Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 20 S CLL TO
40 NW UTS TO 40 SSE GGG.
WW 43 WILL BE ALLOWED TO EXPIRE AT 041800Z.
..SQUITIERI..03/04/20
ATTN...WFO...FWD...HGX...
&&
STATUS REPORT FOR WS 43
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
TXC185-225-313-373-407-455-471-041800-
TX
. TEXAS COUNTIES INCLUDED ARE
GRIMES HOUSTON MADISON
POLK SAN JACINTO TRINITY
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 #3 ON WW 43
VALID 041520Z - 041640Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 45 E AUS TO
45 SSE CRS TO 10 WSW CRS.
..GLEASON..03/04/20
ATTN...WFO...FWD...HGX...
&&
STATUS REPORT FOR WS 43
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
TXC001-041-051-161-185-225-289-313-373-395-407-455-471-041640-
TX
. TEXAS COUNTIES INCLUDED ARE
ANDERSON BRAZOS BURLESON
FREESTONE GRIMES HOUSTON
LEON MADISON POLK
ROBERTSON SAN JACINTO TRINITY
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 43
VALID 041440Z - 041540Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..GLEASON..03/04/20
ATTN...WFO...FWD...HGX...
&&
STATUS REPORT FOR WS 43
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
TXC001-041-051-145-161-185-225-289-293-313-331-373-395-407-455-
471-041540-
TX
. TEXAS COUNTIES INCLUDED ARE
ANDERSON BRAZOS BURLESON
FALLS FREESTONE GRIMES
HOUSTON LEON LIMESTONE
MADISON MILAM POLK
ROBERTSON SAN JACINTO TRINITY
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 43
VALID 041345Z - 041440Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..JEWELL..03/04/20
ATTN...WFO...FWD...HGX...
&&
STATUS REPORT FOR WS 43
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
TXC001-041-051-145-161-185-225-289-293-313-331-373-395-407-455-
471-041440-
TX
. TEXAS COUNTIES INCLUDED ARE
ANDERSON BRAZOS BURLESON
FALLS FREESTONE GRIMES
HOUSTON LEON LIMESTONE
MADISON MILAM POLK
ROBERTSON SAN JACINTO TRINITY
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 (10%)
|
Probability of 1 or more strong (EF2-EF5) tornadoes
|
Low (<2%)
|
Wind
Probability of 10 or more severe wind events
|
Mod (30%)
|
Probability of 1 or more wind events > 65 knots
|
Low (20%)
|
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% (EF2-EF5 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.