Storm Prediction Center Severe Thunderstorm Watch 245
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Note: The expiration time in the watch graphic is amended if the watch is replaced, cancelled or extended. Note: Click for Watch Status Reports.
SEL5
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 245
NWS Storm Prediction Center Norman OK
810 PM CDT Tue May 26 2026
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
South Texas
Coastal Waters
* Effective this Tuesday night and Wednesday morning from 810 PM
until 600 AM CDT.
* Primary threats include...
Scattered damaging winds and isolated significant gusts to 75
mph possible
Isolated very large hail events to 2 inches in diameter possible
A tornado or two possible
SUMMARY...One cluster of storms will have the potential to produce
damaging gusts of 60-75 mph, large hail of 1-2 inches in diameter
and a tornado or two across areas near and southeast of San Antonio
for the next few hours. Additional storms will likely form farther
to the southwest and move across South Texas during the
overnight/early morning hours, with continued potential for wind
damage and isolated large hail.
The severe thunderstorm watch area is approximately along and 85
statute miles east and west of a line from 70 miles northeast of
Cotulla TX to 75 miles south southwest of Alice TX. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU5).
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 244...
AVIATION...A few severe thunderstorms with hail surface and aloft to
2 inches. Extreme turbulence and surface wind gusts to 65 knots. A
few cumulonimbi with maximum tops to 550. Mean storm motion vector
28025.
...Thompson
SEL5
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 245
NWS Storm Prediction Center Norman OK
810 PM CDT Tue May 26 2026
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
South Texas
Coastal Waters
* Effective this Tuesday night and Wednesday morning from 810 PM
until 600 AM CDT.
* Primary threats include...
Scattered damaging winds and isolated significant gusts to 75
mph possible
Isolated very large hail events to 2 inches in diameter possible
A tornado or two possible
SUMMARY...One cluster of storms will have the potential to produce
damaging gusts of 60-75 mph, large hail of 1-2 inches in diameter
and a tornado or two across areas near and southeast of San Antonio
for the next few hours. Additional storms will likely form farther
to the southwest and move across South Texas during the
overnight/early morning hours, with continued potential for wind
damage and isolated large hail.
The severe thunderstorm watch area is approximately along and 85
statute miles east and west of a line from 70 miles northeast of
Cotulla TX to 75 miles south southwest of Alice TX. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU5).
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 244...
AVIATION...A few severe thunderstorms with hail surface and aloft to
2 inches. Extreme turbulence and surface wind gusts to 65 knots. A
few cumulonimbi with maximum tops to 550. Mean storm motion vector
28025.
...Thompson
Note: The Aviation Watch (SAW) product is an approximation to the watch area. The actual watch is depicted by the shaded areas.
SAW5
WW 245 SEVERE TSTM TX CW 270110Z - 271100Z
AXIS..85 STATUTE MILES EAST AND WEST OF LINE..
70NE COT/COTULLA TX/ - 75SSW ALI/ALICE TX/
..AVIATION COORDS.. 75NM E/W /29S SAT - 67SE LRD/
HAIL SURFACE AND ALOFT..2 INCHES. WIND GUSTS..65 KNOTS.
MAX TOPS TO 550. MEAN STORM MOTION VECTOR 28025.
LAT...LON 29169699 26729712 26729987 29169981
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU5.
Watch 245 Status Report Messages:
STATUS REPORT #5 ON WW 245
VALID 270735Z - 270840Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 70 SSE DRT
TO 30 SE COT TO 35 ESE NIR TO 25 ENE VCT.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 871
..WEINMAN..05/27/26
ATTN...WFO...CRP...EWX...BRO...
&&
STATUS REPORT FOR WS 245
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
TXC007-047-057-131-247-249-261-273-283-297-311-355-391-409-427-
479-505-270840-
TX
. TEXAS COUNTIES INCLUDED ARE
ARANSAS BROOKS CALHOUN
DUVAL JIM HOGG JIM WELLS
KENEDY KLEBERG LA SALLE
LIVE OAK MCMULLEN NUECES
REFUGIO SAN PATRICIO STARR
WEBB ZAPATA
$$
GMZ135-155-231-232-236-237-250-255-270840-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
LAGUNA MADRE FROM 5 NM NORTH OF PORT MANSFIELD TO BAFFIN BAY TX
COASTAL WATERS FROM BAFFIN BAY TO PORT MANSFIELD TX OUT 20 NM
BAFFIN BAY AND UPPER LAGUNA MADRE
CORPUS CHRISTI AND NUECES BAYS
COPANOARANSAS AND REDFISH BAYS
SAN ANTONIO MESQUITE AND ESPIRITU SANTO BAYS
COASTAL WATERS FROM BAFFIN BAY TO PORT ARANSAS OUT 20 NM
COASTAL WATERS FROM PORT ARANSAS TO MATAGORDA SHIP CHANNEL OUT 20
NM
$$
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.
$$
STATUS REPORT #4 ON WW 245
VALID 270645Z - 270740Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 75 W COT TO
30 SE COT TO 10 S NIR TO 35 NNE VCT.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 871
..WEINMAN..05/27/26
ATTN...WFO...CRP...EWX...BRO...
&&
STATUS REPORT FOR WS 245
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
TXC007-025-047-057-131-247-249-261-273-283-297-311-355-391-409-
427-469-479-505-270740-
TX
. TEXAS COUNTIES INCLUDED ARE
ARANSAS BEE BROOKS
CALHOUN DUVAL JIM HOGG
JIM WELLS KENEDY KLEBERG
LA SALLE LIVE OAK MCMULLEN
NUECES REFUGIO SAN PATRICIO
STARR VICTORIA WEBB
ZAPATA
$$
GMZ135-155-231-232-236-237-250-255-270740-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
LAGUNA MADRE FROM 5 NM NORTH OF PORT MANSFIELD TO BAFFIN BAY TX
COASTAL WATERS FROM BAFFIN BAY TO PORT MANSFIELD TX OUT 20 NM
BAFFIN BAY AND UPPER LAGUNA MADRE
CORPUS CHRISTI AND NUECES BAYS
COPANOARANSAS AND REDFISH BAYS
SAN ANTONIO MESQUITE AND ESPIRITU SANTO BAYS
COASTAL WATERS FROM BAFFIN BAY TO PORT ARANSAS OUT 20 NM
COASTAL WATERS FROM PORT ARANSAS TO MATAGORDA SHIP CHANNEL OUT 20
NM
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #3 ON WW 245
VALID 270550Z - 270640Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 70 NW LRD TO
30 SE COT TO 25 NNE NIR TO 45 E BAZ.
..WEINMAN..05/27/26
ATTN...WFO...CRP...EWX...BRO...
&&
STATUS REPORT FOR WS 245
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
TXC007-025-047-057-123-131-175-247-249-261-273-283-285-297-311-
355-391-409-427-469-479-505-270640-
TX
. TEXAS COUNTIES INCLUDED ARE
ARANSAS BEE BROOKS
CALHOUN DEWITT DUVAL
GOLIAD JIM HOGG JIM WELLS
KENEDY KLEBERG LA SALLE
LAVACA LIVE OAK MCMULLEN
NUECES REFUGIO SAN PATRICIO
STARR VICTORIA WEBB
ZAPATA
$$
GMZ135-155-231-232-236-237-250-255-270640-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
LAGUNA MADRE FROM 5 NM NORTH OF PORT MANSFIELD TO BAFFIN BAY TX
COASTAL WATERS FROM BAFFIN BAY TO PORT MANSFIELD TX OUT 20 NM
BAFFIN BAY AND UPPER LAGUNA MADRE
CORPUS CHRISTI AND NUECES BAYS
COPANOARANSAS AND REDFISH BAYS
SAN ANTONIO MESQUITE AND ESPIRITU SANTO BAYS
COASTAL WATERS FROM BAFFIN BAY TO PORT ARANSAS OUT 20 NM
COASTAL WATERS FROM PORT ARANSAS TO MATAGORDA SHIP CHANNEL OUT 20
NM
$$
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.
$$
STATUS REPORT #2 ON WW 245
VALID 270425Z - 270540Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 45 WSW COT
TO 20 SSE COT TO 40 SSE BAZ.
..KERR..05/27/26
ATTN...WFO...CRP...EWX...BRO...
&&
STATUS REPORT FOR WS 245
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
TXC007-025-047-057-123-131-175-177-247-249-255-261-273-283-285-
297-311-355-391-409-427-469-479-505-270540-
TX
. TEXAS COUNTIES INCLUDED ARE
ARANSAS BEE BROOKS
CALHOUN DEWITT DUVAL
GOLIAD GONZALES JIM HOGG
JIM WELLS KARNES KENEDY
KLEBERG LA SALLE LAVACA
LIVE OAK MCMULLEN NUECES
REFUGIO SAN PATRICIO STARR
VICTORIA WEBB ZAPATA
$$
GMZ135-155-231-232-236-237-250-255-270540-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
LAGUNA MADRE FROM 5 NM NORTH OF PORT MANSFIELD TO BAFFIN BAY TX
COASTAL WATERS FROM BAFFIN BAY TO PORT MANSFIELD TX OUT 20 NM
BAFFIN BAY AND UPPER LAGUNA MADRE
CORPUS CHRISTI AND NUECES BAYS
COPANOARANSAS AND REDFISH BAYS
SAN ANTONIO MESQUITE AND ESPIRITU SANTO BAYS
COASTAL WATERS FROM BAFFIN BAY TO PORT ARANSAS OUT 20 NM
COASTAL WATERS FROM PORT ARANSAS TO MATAGORDA SHIP CHANNEL OUT 20
NM
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #1 ON WW 245
VALID 270245Z - 270340Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 70 NW LRD TO
25 SW COT TO 30 NE COT TO 25 E HDO TO 35 NNE HDO.
..CHALMERS..05/27/26
ATTN...WFO...CRP...EWX...BRO...
&&
STATUS REPORT FOR WS 245
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
TXC007-013-025-029-047-057-123-131-175-177-187-247-249-255-261-
273-283-285-297-311-355-391-409-427-469-479-493-505-270340-
TX
. TEXAS COUNTIES INCLUDED ARE
ARANSAS ATASCOSA BEE
BEXAR BROOKS CALHOUN
DEWITT DUVAL GOLIAD
GONZALES GUADALUPE JIM HOGG
JIM WELLS KARNES KENEDY
KLEBERG LA SALLE LAVACA
LIVE OAK MCMULLEN NUECES
REFUGIO SAN PATRICIO STARR
VICTORIA WEBB WILSON
ZAPATA
$$
GMZ135-155-231-232-236-237-250-255-270340-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
LAGUNA MADRE FROM 5 NM NORTH OF PORT MANSFIELD TO BAFFIN BAY TX
COASTAL WATERS FROM BAFFIN BAY TO PORT MANSFIELD TX OUT 20 NM
BAFFIN BAY AND UPPER LAGUNA MADRE
CORPUS CHRISTI AND NUECES BAYS
COPANOARANSAS AND REDFISH BAYS
SAN ANTONIO MESQUITE AND ESPIRITU SANTO BAYS
COASTAL WATERS FROM BAFFIN BAY TO PORT ARANSAS OUT 20 NM
COASTAL WATERS FROM PORT ARANSAS TO MATAGORDA SHIP CHANNEL OUT 20
NM
$$
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 (40%)
Probability of 1 or more wind events > 65 knots
Mod (30%)
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
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.