Source: US National Oceanic and Atmospheric Administration
Note: The expiration time in the watch graphic is amended if the watch is replaced, cancelled or extended.Note: Click for Watch Status Reports.
SEL1
URGENT – IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 241
NWS Storm Prediction Center Norman OK
250 PM CDT Thu May 8 2025
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
South-Central into Deep South Texas
* Effective this Thursday afternoon and evening from 250 PM until
1100 PM CDT.
* Primary threats include…
Scattered large hail and isolated very large hail events to 2.5
inches in diameter possible
Isolated significant damaging wind gusts to 75 mph possible
A tornado or two possible
SUMMARY…Supercell thunderstorms will pose a threat for mainly
large hail up to 1.5-2.5 inches in diameter as they move slowly
east-southeastward this afternoon and evening. Some threat for
severe winds of 60-75 mph may also exist with any clusters that
evolve.
The severe thunderstorm watch area is approximately along and 65
statute miles north and south of a line from 55 miles west northwest
of Del Rio TX to 45 miles east of Laredo TX. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU1).
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 238…WW 239…WW 240…
AVIATION…A few severe thunderstorms with hail surface and aloft to
2.5 inches. Extreme turbulence and surface wind gusts to 65 knots. A
few cumulonimbi with maximum tops to 500. Mean storm motion vector
30025.
…Gleason
Note: The Aviation Watch (SAW) product is an approximation to the watch area. The actual watch is depicted by the shaded areas.
SAW1
WW 241 SEVERE TSTM TX 081950Z – 090400Z
AXIS..65 STATUTE MILES NORTH AND SOUTH OF LINE..
55WNW DRT/DEL RIO TX/ – 45E LRD/LAREDO TX/
..AVIATION COORDS.. 55NM N/S /55WNW DLF – 37E LRD/
HAIL SURFACE AND ALOFT..2.5 INCHES. WIND GUSTS..65 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 30025.
LAT…LON 30610177 28499874 26619874 28730177
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU1.
Watch 241 Status Report Message has not been issued yet.
Note: Click for Complete Product Text.Tornadoes
Probability of 2 or more tornadoes
Low (20%)
Probability of 1 or more strong (EF2-EF5) tornadoes
Low (10%)
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 (30%)
Combined Severe Hail/Wind
Probability of 6 or more combined severe hail/wind events
Mod (60%)
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.