Alert archive / Texas / Rip Current Statements in 2021

Rip Current Statement 46, NWS Houston/Galveston, TX

August 8, 2021Brazoria County, Galveston County, Matagorda County, Texas

NWS Houston/Galveston, TX issued this rip current statement at Aug 8, 2021, 7:25 PM CDT for Brazoria County, Galveston County, Matagorda County, Texas. It was in force for 3 days.

The area

The counties it named.

The facts

Issued
Aug 8, 2021, 7:25 PM CDT (00:25 UTC)
Expired
Aug 11, 2021, 8:00 PM CDT
In force
3 days
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 00:26 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, 0.4 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 2021-08-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1173 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 2021-08-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -20 square meters per square second.1939Sfc1 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
1173 J/kg
Mixed-layer CIN
-69 J/kg
Mixed-layer LCL
1271 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
-20 m²/s²
0-3 km storm-relative helicity
18 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

931 
WHUS44 KHGX 090025
CFWHGX

Coastal Hazard Message
National Weather Service Houston/Galveston TX
725 PM CDT Sun Aug 8 2021

TXZ436>439-090830-
/O.NEW.KHGX.RP.S.0046.210809T0025Z-210809T1500Z/
Matagorda Islands-Brazoria Islands-Galveston Island-
Bolivar Peninsula-
725 PM CDT Sun Aug 8 2021

...HIGH RIP CURRENT RISK IN EFFECT THROUGH MONDAY MORNING...

* WHAT...Dangerous rip currents along Gulf facing beaches.

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

* WHEN...Through Monday morning.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Swim near a lifeguard. 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.

&&

$$
7 follow-up statements
969 
WHUS44 KHGX 091451
CFWHGX

Coastal Hazard Message
National Weather Service Houston/Galveston TX
951 AM CDT Mon Aug 9 2021

TXZ436>439-092300-
/O.EXT.KHGX.RP.S.0046.000000T0000Z-210810T0100Z/
Matagorda Islands-Brazoria Islands-Galveston Island-
Bolivar Peninsula-
951 AM CDT Mon Aug 9 2021

...HIGH RIP CURRENT RISK NOW IN EFFECT UNTIL 8 PM CDT THIS
EVENING...

* WHAT...Dangerous rip currents.

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

* WHEN...Until 8 PM CDT this evening.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Swim near a lifeguard. 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.

&&

$$
657 
WHUS44 KHGX 092025
CFWHGX

Coastal Hazard Message
National Weather Service Houston/Galveston TX
325 PM CDT Mon Aug 9 2021

TXZ436>439-100100-
/O.CON.KHGX.RP.S.0046.000000T0000Z-210810T0100Z/
Matagorda Islands-Brazoria Islands-Galveston Island-
Bolivar Peninsula-
325 PM CDT Mon Aug 9 2021

...HIGH RIP CURRENT RISK REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING...

* WHAT...Dangerous rip currents.

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

* WHEN...Until 8 PM CDT this evening.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Swim near a lifeguard. If caught in a rip current, relax and float. 
Do not 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.

&&

$$
676 
WHUS44 KHGX 100037
CFWHGX

Coastal Hazard Message
National Weather Service Houston/Galveston TX
737 PM CDT Mon Aug 9 2021

TXZ436>439-100845-
/O.EXT.KHGX.RP.S.0046.000000T0000Z-210811T0100Z/
Matagorda Islands-Brazoria Islands-Galveston Island-
Bolivar Peninsula-
737 PM CDT Mon Aug 9 2021

...HIGH RIP CURRENT RISK NOW IN EFFECT THROUGH TUESDAY EVENING...

* WHAT...Dangerous rip currents along Gulf facing beaches.

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

* WHEN...Through Tuesday evening.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Swim near a lifeguard. If caught in a rip current, relax and
float. Do not 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.

&&

$$
780 
WHUS44 KHGX 100847
CFWHGX

Coastal Hazard Message
National Weather Service Houston/Galveston TX
347 AM CDT Tue Aug 10 2021

TXZ436>439-101700-
/O.CON.KHGX.RP.S.0046.000000T0000Z-210811T0100Z/
Matagorda Islands-Brazoria Islands-Galveston Island-
Bolivar Peninsula-
347 AM CDT Tue Aug 10 2021

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

* WHAT...Dangerous rip currents along Gulf facing beaches.

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

* WHEN...Through Tuesday evening.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Swim near a lifeguard. 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.

&&

$$
726 
WHUS44 KHGX 101531
CFWHGX

Coastal Hazard Message
National Weather Service Houston/Galveston TX
1031 AM CDT Tue Aug 10 2021

TXZ436>439-110100-
/O.CON.KHGX.RP.S.0046.000000T0000Z-210811T0100Z/
Matagorda Islands-Brazoria Islands-Galveston Island-
Bolivar Peninsula-
1031 AM CDT Tue Aug 10 2021

...HIGH RIP CURRENT RISK REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING...

* WHAT...Dangerous rip currents along Gulf facing beaches.

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

* WHEN...Through Tuesday evening.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Swim near a lifeguard. If caught in a rip current, relax and float. 
Do not 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.

&&

$$
829 
WHUS44 KHGX 102352
CFWHGX

Coastal Hazard Message
National Weather Service Houston/Galveston TX
652 PM CDT Tue Aug 10 2021

TXZ436>439-110800-
/O.EXT.KHGX.RP.S.0046.000000T0000Z-210812T0100Z/
Matagorda Islands-Brazoria Islands-Galveston Island-
Bolivar Peninsula-
652 PM CDT Tue Aug 10 2021

...HIGH RIP CURRENT RISK NOW IN EFFECT THROUGH WEDNESDAY
EVENING...

* WHAT...Dangerous rip currents along Gulf facing beaches.

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

* WHEN...Through Wednesday evening.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Swim near a lifeguard. If caught in a rip current, relax and
float. Do not 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.

&&

$$
223 
WHUS44 KHGX 112058
CFWHGX

Coastal Hazard Message
National Weather Service Houston/Galveston TX
Issued by National Weather Service Corpus Christi TX
358 PM CDT Wed Aug 11 2021

TXZ436>439-120100-
/O.CON.KHGX.RP.S.0046.000000T0000Z-210812T0100Z/
Matagorda Islands-Brazoria Islands-Galveston Island-
Bolivar Peninsula-
358 PM CDT Wed Aug 11 2021

...HIGH RIP CURRENT RISK REMAINS IN EFFECT UNTIL 8 PM CDT THIS
EVENING...

* WHAT...Dangerous rip currents.

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

* WHEN...Until 8 PM CDT this evening.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Swim near a lifeguard. 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.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 9, 9:29 AM CDTHeat AdvisoryHGXAustin, Brazoria, Brazos, Burleson, Chambers, Colorado and 17 more10 hr

Nearby

Rip Current Statements in Texas, 2021Every rip current 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.