Alert archive / Texas / Beach Hazards Statements in 2021

Beach Hazards Statement 4, NWS Houston/Galveston, TX

May 20, 2021Brazoria County, Galveston County, Matagorda County, Texas

NWS Houston/Galveston, TX issued this beach hazards statement at May 20, 2021, 3:51 PM CDT for Brazoria County, Galveston County, Matagorda County, Texas. It was in force for 24 hr.

The area

The counties it named.

The facts

Issued: May 20, 2021, 3:51 PM CDT (20:51 UTC)
Expired: May 21, 2021, 3:48 PM CDT
In force: 24 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 20:54 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 12:00Z, 8.9 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 897 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: 6 m²/s²
0-3 km storm-relative helicity: 55 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

072 
WHUS44 KHGX 202051
CFWHGX

Coastal Hazard Message
National Weather Service Houston/Galveston TX
351 PM CDT Thu May 20 2021

TXZ436>439-212100-
/O.CAN.KHGX.RP.S.0026.000000T0000Z-210521T0600Z/
/O.NEW.KHGX.BH.S.0004.210520T2051Z-210523T0100Z/
Matagorda Islands-Brazoria Islands-Galveston Island-
Bolivar Peninsula-
351 PM CDT Thu May 20 2021

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

* WHAT...Unsettled weather with moderate onshore winds, elevated 
  seas and tides.

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

* WHEN...Through Saturday evening.

* IMPACTS...Minor beach and coastal flooding around times of high
  tide the next couple days. A high risk of rip currents along
  area beaches.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Swim near a lifeguard and away from structures such as jetties,
piers and rocks. 

&&

$$

4 follow-up statements

513 
WHUS44 KHGX 210254
CFWHGX

Coastal Hazard Message
National Weather Service Houston/Galveston TX
954 PM CDT Thu May 20 2021

TXZ436>439-211100-
/O.CON.KHGX.BH.S.0004.000000T0000Z-210523T0100Z/
Matagorda Islands-Brazoria Islands-Galveston Island-
Bolivar Peninsula-
954 PM CDT Thu May 20 2021

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

* WHAT...Unsettled weather with moderate onshore winds, elevated 
  seas and tides.

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

* WHEN...Through Saturday evening.

* IMPACTS...Minor beach and coastal flooding around times of 
  high tide the next couple days. A high risk of rip currents 
  along area beaches.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Swim near a lifeguard and away from structures such as jetties,
piers and rocks.

&&

$$

474 
WHUS44 KHGX 210859
CFWHGX

Coastal Hazard Message
National Weather Service Houston/Galveston TX
359 AM CDT Fri May 21 2021

TXZ436>439-211700-
/O.CON.KHGX.BH.S.0004.000000T0000Z-210523T0100Z/
Matagorda Islands-Brazoria Islands-Galveston Island-
Bolivar Peninsula-
359 AM CDT Fri May 21 2021

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

* WHAT...Unsettled weather with moderate onshore winds, elevated seas 
  and tides.

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

* WHEN...Through Saturday evening.

* IMPACTS...Minor beach and coastal flooding around times of 
  high tide the next couple days. A high risk of rip currents 
  along area beaches.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain out of the water to avoid hazardous swimming conditions.

&&

$$

607 
WHUS44 KHGX 211551
CFWHGX

Coastal Hazard Message
National Weather Service Houston/Galveston TX
1051 AM CDT Fri May 21 2021

TXZ436>439-220000-
/O.CON.KHGX.BH.S.0004.000000T0000Z-210523T0100Z/
Matagorda Islands-Brazoria Islands-Galveston Island-
Bolivar Peninsula-
1051 AM CDT Fri May 21 2021

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

* WHAT...Unsettled weather with moderate onshore winds, elevated seas 
  and tides.

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

* WHEN...Through Saturday evening.

* IMPACTS...Minor beach and coastal flooding around times of 
  high tide the next couple days. A high risk of rip currents 
  along area beaches.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain out of the water to avoid hazardous swimming conditions.

&&

$$

533 
WHUS44 KHGX 212048
CFWHGX

Coastal Hazard Message
National Weather Service Houston/Galveston TX
348 PM CDT Fri May 21 2021

TXZ436>439-222100-
/O.CAN.KHGX.BH.S.0004.000000T0000Z-210523T0100Z/
/O.NEW.KHGX.CF.Y.0008.210521T2048Z-210523T1200Z/
Matagorda Islands-Brazoria Islands-Galveston Island-
Bolivar Peninsula-
348 PM CDT Fri May 21 2021

...COASTAL FLOOD ADVISORY IN EFFECT UNTIL 7 AM CDT SUNDAY...

* WHAT...Minor coastal flooding...especially around high tide
  times. High risk of rip currents along area beaches.

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

* WHEN...Until 7 AM CDT Sunday.

* IMPACTS...Flooding of lots, parks, and roads with only isolated
  road closures expected. Dangerous swimming conditions along area
  beaches. Stay near a lifeguard and away from rocks, jetties and
  piers.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If travel is required, allow extra time as some roads may be
closed. Do not drive around barricades or through water of
unknown depth. Take the necessary actions to protect flood-prone
property.

&&

$$

TXZ214-313-337-338-222100-
/O.NEW.KHGX.CF.Y.0008.210521T2048Z-210523T1200Z/
Chambers-Coastal Harris-Coastal Brazoria-Coastal Galveston-
348 PM CDT Fri May 21 2021

...COASTAL FLOOD ADVISORY IN EFFECT UNTIL 7 AM CDT SUNDAY...

* WHAT...Minor coastal flooding. High risk of rip currents along
  area beaches.

* WHERE...Chambers, Coastal Harris, Coastal Brazoria and Coastal 
  Galveston Counties.

* WHEN...Until 7 AM CDT Sunday.

* IMPACTS...Flooding of lots, parks, and roads with only isolated
  road closures expected. Dangerous swimming conditions along area
  beaches. Stay near a lifeguard and away from rocks, jetties and
  piers.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If travel is required, allow extra time as some roads may be
closed. Do not drive around barricades or through water of
unknown depth. Take the necessary actions to protect flood-prone
property.

&&

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
May 19, 9:43 PM CDT	Areal Flood Warning	HGX	Montgomery, Waller	6 hr
May 19, 10:19 PM CDT	Small Craft Advisory	HGX		6 hr
May 20, 4:26 AM CDT	River Flood Warning	HGX	Austin, Colorado, Fort Bend, Wharton	21 days

Nearby

Beach Hazards Statements in Texas, 2021 Every 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.