IEM VTEC Product Browser
This application allows easy navigation of National Weather Service issued products with Valid Time Event Coding (VTEC).
13 Nov 2024 Update: The tool was updated to use non-hash link style URLs. A shim is in place to translate the old URLs to the new ones, so nothing should be broken (famous last words). This was done to allow the HTML5 History API to provide a better user experience.
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- Help: This page!
- Event Info: Details of the selected event.
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- Interactive Map: An interactive map showing the event and RADAR.
- Storm Reports: Local Storm Reports.
- List Events: List all events of the given phenomena, significance, year, and issuing office.
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2025 [KHGX] HOUSTON/GALVESTON Marine (MA) Warning (W) Number 22
Listing of Counties/Parishes/Zones Included in Product
RADAR Composite at Issuance Time
Storm Based Warning History
235
WHUS54 KHGX 291411
SMWHGX
GMZ375-291445-
/O.NEW.KHGX.MA.W.0022.250329T1411Z-250329T1445Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Special Marine Warning
National Weather Service Houston/Galveston TX
911 AM CDT Sat Mar 29 2025
The National Weather Service in League City has issued a
* Special Marine Warning for...
Waters from High Island to Freeport TX from 20 to 60 NM...
* Until 945 AM CDT.
* At 911 AM CDT, a severe thunderstorm capable of producing
waterspouts was located 7 nm northeast of Galveston A8, moving
northeast at 10 knots.
HAZARD...Waterspouts, wind gusts to nearly 50 knots, and small
hail.
SOURCE...Radar.
IMPACT...Waterspouts can easily overturn boats and create locally
hazardous seas. Small craft could be damaged in briefly
higher winds and suddenly higher waves.
* The severe thunderstorm will remain over mainly open waters.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Move to safe harbor until hazardous weather passes.
Thunderstorms can produce sudden waterspouts. Waterspouts can easily
overturn boats and create locally hazardous seas. Seek safe harbor
immediately.
Frequent lightning is occurring with this storm. If caught on the
open water stay below deck if possible, keep away from ungrounded
metal objects.
&&
LAT...LON 2872 9458 2874 9465 2883 9462 2893 9453
2886 9440
TIME...MOT...LOC 1411Z 224DEG 9KT 2878 9453
WATERSPOUT...POSSIBLE
HAIL...<.75IN
WIND...49KTS
$$
Adams
845
FZUS74 KHGX 291439
MWSHGX
Marine Weather Statement
National Weather Service Houston/Galveston TX
939 AM CDT Sat Mar 29 2025
GMZ375-291449-
/O.EXP.KHGX.MA.W.0022.000000T0000Z-250329T1445Z/
939 AM CDT Sat Mar 29 2025
...THE SPECIAL MARINE WARNING WILL EXPIRE AT 945 AM CDT...
The affected areas were...
Waters from High Island to Freeport TX from 20 to 60 NM...
The thunderstorm has weakened and no longer poses a significant
threat to boaters.
&&
LAT...LON 2872 9458 2874 9465 2883 9462 2893 9453
2886 9440
TIME...MOT...LOC 1439Z 224DEG 9KT 2883 9448
$$
Adams
Permalink to 202503291411-KHGX-WHUS54-SMWHGX
235
WHUS54 KHGX 291411
SMWHGX
GMZ375-291445-
/O.NEW.KHGX.MA.W.0022.250329T1411Z-250329T1445Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Special Marine Warning
National Weather Service Houston/Galveston TX
911 AM CDT Sat Mar 29 2025
The National Weather Service in League City has issued a
* Special Marine Warning for...
Waters from High Island to Freeport TX from 20 to 60 NM...
* Until 945 AM CDT.
* At 911 AM CDT, a severe thunderstorm capable of producing
waterspouts was located 7 nm northeast of Galveston A8, moving
northeast at 10 knots.
HAZARD...Waterspouts, wind gusts to nearly 50 knots, and small
hail.
SOURCE...Radar.
IMPACT...Waterspouts can easily overturn boats and create locally
hazardous seas. Small craft could be damaged in briefly
higher winds and suddenly higher waves.
* The severe thunderstorm will remain over mainly open waters.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Move to safe harbor until hazardous weather passes.
Thunderstorms can produce sudden waterspouts. Waterspouts can easily
overturn boats and create locally hazardous seas. Seek safe harbor
immediately.
Frequent lightning is occurring with this storm. If caught on the
open water stay below deck if possible, keep away from ungrounded
metal objects.
&&
LAT...LON 2872 9458 2874 9465 2883 9462 2893 9453
2886 9440
TIME...MOT...LOC 1411Z 224DEG 9KT 2878 9453
WATERSPOUT...POSSIBLE
HAIL...<.75IN
WIND...49KTS
$$
Adams
Permalink to 202503291439-KHGX-FZUS74-MWSHGX
845
FZUS74 KHGX 291439
MWSHGX
Marine Weather Statement
National Weather Service Houston/Galveston TX
939 AM CDT Sat Mar 29 2025
GMZ375-291449-
/O.EXP.KHGX.MA.W.0022.000000T0000Z-250329T1445Z/
939 AM CDT Sat Mar 29 2025
...THE SPECIAL MARINE WARNING WILL EXPIRE AT 945 AM CDT...
The affected areas were...
Waters from High Island to Freeport TX from 20 to 60 NM...
The thunderstorm has weakened and no longer poses a significant
threat to boaters.
&&
LAT...LON 2872 9458 2874 9465 2883 9462 2893 9453
2886 9440
TIME...MOT...LOC 1439Z 224DEG 9KT 2883 9448
$$
Adams
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