Alert archive / Texas / Beach Hazards Statements in 2021

Beach Hazards Statement 2, NWS Houston/Galveston, TX

April 23, 2021Brazoria County, Galveston County, Matagorda County, Texas

NWS Houston/Galveston, TX issued this beach hazards statement at Apr 23, 2021, 4:05 AM CDT for Brazoria County, Galveston County, Matagorda County, Texas. It was in force for 23 hr.

The area

The counties it named.

The facts

Issued
Apr 23, 2021, 4:05 AM CDT (09:05 UTC)
Expired
Apr 24, 2021, 3:32 AM CDT
In force
23 hr
Issued by
NWS Houston/Galveston, TX

Counties Brazoria County, TX, Galveston County, TX, Matagorda County, TX

The radar

The Houston radar (KHGX), 54 km from the middle of the area, began a volume at 09:05 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 00:00Z, 9.1 hours before the alert went out and 241 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Corpus Christi, TX at 00:00Z on 2021-04-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 21 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Corpus Christi, TX at 00:00Z on 2021-04-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 153 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
21 J/kg
Mixed-layer CIN
-375 J/kg
Mixed-layer LCL
617 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
153 m²/s²
0-3 km storm-relative helicity
284 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

The text

As transmitted.

435 
WHUS44 KHGX 230905
CFWHGX

Coastal Hazard Message
National Weather Service Houston/Galveston TX
405 AM CDT Fri Apr 23 2021

TXZ436>439-242100-
/O.NEW.KHGX.BH.S.0002.210423T0905Z-210424T2100Z/
Matagorda Islands-Brazoria Islands-Galveston Island-
Bolivar Peninsula-
405 AM CDT Fri Apr 23 2021

...BEACH HAZARDS STATEMENT IN EFFECT THROUGH SATURDAY AFTERNOON...

* WHAT...Elevated winds, surf, water levels and a high risk of rip
  currents along area beaches.

* WHERE...Matagorda Islands, Brazoria Islands, Galveston Island 
  and Bolivar Peninsula Counties.

* WHEN...Through Saturday afternoon.

* IMPACTS...Minor coastal flooding a possibility at the more
  susceptible locations along the Bolivar Peninsula around times
  of high tide later this afternoon and tonight. Hazardous
  swimming conditions at area beaches today into Saturday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If planning to go at the beach today or Saturday. Swim near a 
lifeguard and away from rocks, piers and jetties. 

&&

$$
4 follow-up statements
388 
WHUS44 KHGX 231523
CFWHGX

Coastal Hazard Message
National Weather Service Houston/Galveston TX
1023 AM CDT Fri Apr 23 2021

TXZ436>439-232330-
/O.CON.KHGX.BH.S.0002.000000T0000Z-210424T2100Z/
Matagorda Islands-Brazoria Islands-Galveston Island-
Bolivar Peninsula-
1023 AM CDT Fri Apr 23 2021

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH SATURDAY AFTERNOON...

* WHAT...Elevated winds, surf, water levels and a high risk of 
  rip currents along area beaches.

* WHERE...Matagorda Islands, Brazoria Islands, Galveston Island 
  and Bolivar Peninsula Counties.

* WHEN...Through Saturday afternoon.

* IMPACTS...Minor coastal flooding a possibility at the more 
  susceptible locations along the Bolivar Peninsula around times 
  of high tide later this afternoon and tonight. Hazardous 
  swimming conditions at area beaches today into Saturday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If planning to go at the beach today or Saturday, swim near a 
lifeguard and away from rocks, piers and jetties. If possible,
remain out of the water to avoid hazardous swimming conditions.

&&

$$
579 
WHUS44 KHGX 232035
CFWHGX

Coastal Hazard Message
National Weather Service Houston/Galveston TX
335 PM CDT Fri Apr 23 2021

TXZ436>439-240445-
/O.CON.KHGX.BH.S.0002.000000T0000Z-210424T2100Z/
Matagorda Islands-Brazoria Islands-Galveston Island-
Bolivar Peninsula-
335 PM CDT Fri Apr 23 2021

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH SATURDAY AFTERNOON...

* WHAT...Elevated winds, surf, water levels and a high risk of 
  rip currents along area beaches.

* WHERE...Matagorda Islands, Brazoria Islands, Galveston Island 
  and Bolivar Peninsula Counties.

* WHEN...Through Saturday afternoon.

* IMPACTS...Minor coastal flooding a possibility at the more 
  susceptible locations along the Bolivar Peninsula around times 
  of high tide later this afternoon and tonight. Hazardous 
  swimming conditions at area beaches today into Saturday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If planning to go to the beach through Saturday afternoon, remain out of 
the water to avoid hazardous swimming conditions. If you must swim, do so 
near a lifeguard and away from rocks, piers and jetties.

&&

$$
334 
WHUS44 KHGX 240328
CFWHGX

Coastal Hazard Message
National Weather Service Houston/Galveston TX
1028 PM CDT Fri Apr 23 2021

TXZ436>439-241200-
/O.CON.KHGX.BH.S.0002.000000T0000Z-210424T2100Z/
Matagorda Islands-Brazoria Islands-Galveston Island-
Bolivar Peninsula-
1028 PM CDT Fri Apr 23 2021

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH SATURDAY
AFTERNOON...

* WHAT...Elevated winds, surf, water levels and a high risk of 
  rip currents along area beaches.

* WHERE...Matagorda Islands, Brazoria Islands, Galveston Island 
  and Bolivar Peninsula Counties.

* WHEN...Through Saturday afternoon.

* IMPACTS...Minor coastal flooding a possibility at the more 
  susceptible locations along the Bolivar Peninsula around times 
  of high tide later this afternoon and tonight. Hazardous 
  swimming conditions at area beaches today into Saturday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain out of the water to avoid hazardous swimming conditions.

&&

$$
273 
WHUS44 KHGX 240832
CFWHGX

Coastal Hazard Message
National Weather Service Houston/Galveston TX
332 AM CDT Sat Apr 24 2021

TXZ437>439-250200-
/O.CAN.KHGX.BH.S.0002.000000T0000Z-210424T2100Z/
/O.NEW.KHGX.RP.S.0017.210424T0832Z-210425T0200Z/
Brazoria Islands-Galveston Island-Bolivar Peninsula-
332 AM CDT Sat Apr 24 2021

...HIGH RIP CURRENT RISK IN EFFECT THROUGH THIS EVENING...

* WHAT...Dangerous rip currents.

* WHERE...Brazoria Islands, Galveston Island and Bolivar 
  Peninsula Counties.

* WHEN...Through this evening.

* IMPACTS...Rip currents can sweep even the best swimmers away 
  from shore into deeper water.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Swim near a lifeguard and away from rocks, jetties and piers. If 
caught in a rip current, relax and float. Don't swim against the 
current. If able, swim in a direction following the shoreline. If 
unable to escape, face the shore and call or wave for help.

&&

$$

TXZ436-240945-
/O.CAN.KHGX.BH.S.0002.000000T0000Z-210424T2100Z/
Matagorda Islands-
332 AM CDT Sat Apr 24 2021

...BEACH HAZARDS STATEMENT IS CANCELLED...

Marine conditions have improved. That said, there are always
hazardous rip currents along the beach. Caution is advised if
planning to be at the beach and swim near a lifeguard.

$$

The office that day

Everything else NWS Houston/Galveston, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 23, 2:25 PM CDTSpecial Weather StatementHGXGrimes50 min
Apr 23, 2:56 PM CDTSpecial Weather StatementHGXMadison49 min
Apr 23, 4:35 PM CDTSpecial Weather StatementHGXGrimes40 min
Apr 23, 5:00 PM CDTAreal Flood AdvisoryHGXBrazos, Grimes, Montgomery, Walker60 min
Apr 23, 5:19 PM CDTSevere Thunderstorm WarningHGXMontgomery, Walker26 min
Apr 23, 5:31 PM CDTAreal Flood AdvisoryHGXMontgomery, Polk, San Jacinto, Trinity, Walker119 min
Apr 23, 5:45 PM CDTTornado WarningHGXLiberty, Montgomery, San Jacinto30 min
Apr 23, 5:48 PM CDTSevere Thunderstorm WarningHGXMontgomery, Polk, San Jacinto, Walker27 min
Apr 23, 6:09 PM CDTTornado WarningHGXLiberty, Polk, San Jacinto36 min
Apr 23, 6:27 PM CDTSevere Thunderstorm WarningHGXLiberty, Polk18 min

Nearby

Beach Hazards Statements in Texas, 2021Every beach hazards statement in 2021

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.