Storm Prediction Center Severe Thunderstorm Watch 340
narcolepticnerdMay 28, 20250 comments
Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended. Note: Click for Watch Status Reports.
SEL0
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 340
NWS Storm Prediction Center Norman OK
1245 AM CDT Wed May 28 2025
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
South-Central into Deep South Texas
Coastal Waters
* Effective this Wednesday morning from 1245 AM until 800 AM CDT.
* Primary threats include...
Scattered damaging wind gusts to 70 mph possible
Isolated very large hail events to 2 inches in diameter possible
SUMMARY...A small bowing complex should move east-southeastward
through the morning hours while posing some threat for
severe/damaging winds and isolated large hail. Additional strong to
severe thunderstorms may also develop over the next several hours.
The severe thunderstorm watch area is approximately along and 70
statute miles north and south of a line from 70 miles west northwest
of Laredo TX to 55 miles south southeast of Corpus Christi TX. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU0).
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.
&&
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
28030.
...Gleason
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW0
WW 340 SEVERE TSTM TX CW 280545Z - 281300Z
AXIS..70 STATUTE MILES NORTH AND SOUTH OF LINE..
70WNW LRD/LAREDO TX/ - 55SSE CRP/CORPUS CHRISTI TX/
..AVIATION COORDS.. 60NM N/S /65WNW LRD - 54SSE CRP/
HAIL SURFACE AND ALOFT..2 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 550. MEAN STORM MOTION VECTOR 28030.
LAT...LON 28950053 28059716 26029716 26920053
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU0.
Watch 340 Status Report Messages:
STATUS REPORT #4 ON WW 340
VALID 281155Z - 281240Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 65 WNW MFE
TO 45 NNE MFE TO 15 S CRP TO 15 NE CRP TO 40 ENE CRP.
..LEITMAN..05/28/25
ATTN...WFO...CRP...BRO...EWX...
&&
STATUS REPORT FOR WS 340
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
TXC061-215-261-273-409-427-489-281240-
TX
. TEXAS COUNTIES INCLUDED ARE
CAMERON HIDALGO KENEDY
KLEBERG SAN PATRICIO STARR
WILLACY
$$
GMZ130-132-135-231-281240-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
LAGUNA MADRE FROM THE PORT OF BROWNSVILLE TO THE ARROYO COLORADO
LAGUNA MADRE FROM THE ARROYO COLORADO TO 5 NM NORTH OF PORT
MANSFIELD TX
LAGUNA MADRE FROM 5 NM NORTH OF PORT MANSFIELD TO BAFFIN BAY TX
BAFFIN BAY AND UPPER LAGUNA MADRE
$$
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.
$$
STATUS REPORT #3 ON WW 340
VALID 281035Z - 281140Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 65 WNW MFE
TO 15 NW ALI TO 15 ESE NIR.
..LEITMAN..05/28/25
ATTN...WFO...CRP...BRO...EWX...
&&
STATUS REPORT FOR WS 340
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
TXC047-061-131-215-247-249-261-273-355-409-427-489-281140-
TX
. TEXAS COUNTIES INCLUDED ARE
BROOKS CAMERON DUVAL
HIDALGO JIM HOGG JIM WELLS
KENEDY KLEBERG NUECES
SAN PATRICIO STARR WILLACY
$$
GMZ130-132-135-231-232-281140-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
LAGUNA MADRE FROM THE PORT OF BROWNSVILLE TO THE ARROYO COLORADO
LAGUNA MADRE FROM THE ARROYO COLORADO TO 5 NM NORTH OF PORT
MANSFIELD TX
LAGUNA MADRE FROM 5 NM NORTH OF PORT MANSFIELD TO BAFFIN BAY TX
BAFFIN BAY AND UPPER LAGUNA MADRE
CORPUS CHRISTI AND NUECES BAYS
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #2 ON WW 340
VALID 280930Z - 281040Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 20 WSW LRD
TO 40 ENE LRD TO 35 ENE COT.
..LEITMAN..05/28/25
ATTN...WFO...CRP...BRO...EWX...
&&
STATUS REPORT FOR WS 340
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
TXC025-047-061-131-215-247-249-261-273-297-311-355-409-427-489-
505-281040-
TX
. TEXAS COUNTIES INCLUDED ARE
BEE BROOKS CAMERON
DUVAL HIDALGO JIM HOGG
JIM WELLS KENEDY KLEBERG
LIVE OAK MCMULLEN NUECES
SAN PATRICIO STARR WILLACY
ZAPATA
$$
GMZ130-132-135-231-232-281040-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
LAGUNA MADRE FROM THE PORT OF BROWNSVILLE TO THE ARROYO COLORADO
LAGUNA MADRE FROM THE ARROYO COLORADO TO 5 NM NORTH OF PORT
MANSFIELD TX
LAGUNA MADRE FROM 5 NM NORTH OF PORT MANSFIELD TO BAFFIN BAY TX
BAFFIN BAY AND UPPER LAGUNA MADRE
CORPUS CHRISTI AND NUECES BAYS
$$
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.
$$
STATUS REPORT #1 ON WW 340
VALID 280750Z - 280840Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 85 WNW LRD
TO 30 SW COT TO 30 NNW COT.
..LEITMAN..05/28/25
ATTN...WFO...CRP...BRO...EWX...
&&
STATUS REPORT FOR WS 340
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
TXC025-047-061-131-215-247-249-261-273-283-297-311-355-409-427-
479-489-505-280840-
TX
. TEXAS COUNTIES INCLUDED ARE
BEE BROOKS CAMERON
DUVAL HIDALGO JIM HOGG
JIM WELLS KENEDY KLEBERG
LA SALLE LIVE OAK MCMULLEN
NUECES SAN PATRICIO STARR
WEBB WILLACY ZAPATA
$$
GMZ130-132-135-231-232-280840-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
LAGUNA MADRE FROM THE PORT OF BROWNSVILLE TO THE ARROYO COLORADO
LAGUNA MADRE FROM THE ARROYO COLORADO TO 5 NM NORTH OF PORT
MANSFIELD TX
LAGUNA MADRE FROM 5 NM NORTH OF PORT MANSFIELD TO BAFFIN BAY TX
BAFFIN BAY AND UPPER LAGUNA MADRE
CORPUS CHRISTI AND NUECES BAYS
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
Probability of 1 or more strong (EF2-EF5) tornadoes
Low (
Wind
Probability of 10 or more severe wind events
Mod (40%)
Probability of 1 or more wind events > 65 knots
Low (20%)
Hail
Probability of 10 or more severe hail events
Mod (30%)
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.