Storm Prediction Center Severe Thunderstorm Watch 338
4 min read
2 weeks ago
Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended. Note: Click for Watch Status Reports.
SEL8
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 338
NWS Storm Prediction Center Norman OK
400 PM CDT Tue May 27 2025
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Southeast New Mexico
Southwest Texas
* Effective this Tuesday afternoon and evening from 400 PM until
1100 PM CDT.
* Primary threats include...
Scattered large hail likely with isolated very large hail events
to 3 inches in diameter possible
Scattered damaging wind gusts to 70 mph possible
A tornado or two possible
SUMMARY...Isolated to widely scattered severe storms including
supercells will continue to develop across the region, with large
hail as the primary hazard. Some storm clusters may eventually
develop into this evening, with severe-wind potential as well.
The severe thunderstorm watch area is approximately along and 90
statute miles north and south of a line from 10 miles south
southwest of Guadalupe Pass TX to 65 miles northeast of Del Rio TX.
For a complete depiction of the watch see the associated watch
outline update (WOUS64 KWNS WOU8).
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 337...
AVIATION...A few severe thunderstorms with hail surface and aloft to
3 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 600. Mean storm motion vector
26025.
...Guyer
SEL8
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 338
NWS Storm Prediction Center Norman OK
400 PM CDT Tue May 27 2025
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Southeast New Mexico
Southwest Texas
* Effective this Tuesday afternoon and evening from 400 PM until
1100 PM CDT.
* Primary threats include...
Scattered large hail likely with isolated very large hail events
to 3 inches in diameter possible
Scattered damaging wind gusts to 70 mph possible
A tornado or two possible
SUMMARY...Isolated to widely scattered severe storms including
supercells will continue to develop across the region, with large
hail as the primary hazard. Some storm clusters may eventually
develop into this evening, with severe-wind potential as well.
The severe thunderstorm watch area is approximately along and 90
statute miles north and south of a line from 10 miles south
southwest of Guadalupe Pass TX to 65 miles northeast of Del Rio TX.
For a complete depiction of the watch see the associated watch
outline update (WOUS64 KWNS WOU8).
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 337...
AVIATION...A few severe thunderstorms with hail surface and aloft to
3 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 600. Mean storm motion vector
26025.
...Guyer
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW8
WW 338 SEVERE TSTM NM TX 272100Z - 280400Z
AXIS..90 STATUTE MILES NORTH AND SOUTH OF LINE..
10SSW GDP/GUADALUPE PASS TX/ - 65NE DRT/DEL RIO TX/
..AVIATION COORDS.. 80NM N/S /73E ELP - 38SSW JCT/
HAIL SURFACE AND ALOFT..3 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 600. MEAN STORM MOTION VECTOR 26025.
LAT...LON 33000487 31340015 28730015 30390487
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU8.
Watch 338 Status Report Messages:
STATUS REPORT #1 ON WW 338
VALID 272330Z - 280040Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..THORNTON..05/27/25
ATTN...WFO...MAF...SJT...EWX...
&&
STATUS REPORT FOR WS 338
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NMC015-025-280040-
NM
. NEW MEXICO COUNTIES INCLUDED ARE
EDDY LEA
$$
TXC003-043-103-105-109-135-137-165-235-243-271-301-323-371-377-
383-389-413-435-443-451-461-465-475-495-280040-
TX
. TEXAS COUNTIES INCLUDED ARE
ANDREWS BREWSTER CRANE
CROCKETT CULBERSON ECTOR
EDWARDS GAINES IRION
JEFF DAVIS KINNEY LOVING
MAVERICK PECOS PRESIDIO
REAGAN REEVES SCHLEICHER
SUTTON TERRELL TOM GREEN
UPTON VAL VERDE WARD
WINKLER
$$
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.
$$
Probability of 1 or more strong (EF2-EF5) tornadoes
Low (5%)
Wind
Probability of 10 or more severe wind events
Mod (50%)
Probability of 1 or more wind events > 65 knots
Low (10%)
Hail
Probability of 10 or more severe hail events
Mod (60%)
Probability of 1 or more hailstones > 2 inches
Mod (50%)
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% (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.
