Alert archive / Texas / Rip Current Statements in 2023

Rip Current Statement 23, NWS Houston/Galveston, TX

April 22, 2023Brazoria County, Galveston County, Matagorda County, Texas

NWS Houston/Galveston, TX issued this rip current statement at Apr 22, 2023, 10:47 AM CDT for Brazoria County, Galveston County, Matagorda County, Texas. It was in force for 29 hr.

The area

The counties it named.

The facts

Issued
Apr 22, 2023, 10:47 AM CDT (15:47 UTC)
Expired
Apr 23, 2023, 4:00 PM CDT
In force
29 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 15:46 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, 3.8 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 12:00Z on 2023-04-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 152 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 12:00Z on 2023-04-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 14 square meters per square second.19395878Sfc1 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
152 J/kg
Mixed-layer CIN
-403 J/kg
Mixed-layer LCL
835 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
14 m²/s²
0-3 km storm-relative helicity
210 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.4

Open this sounding in Storm Lab

The text

As transmitted.

183 
WHUS44 KHGX 221547
CFWHGX

Coastal Hazard Message
National Weather Service Houston/Galveston TX
1047 AM CDT Sat Apr 22 2023

TXZ436>439-230000-
/O.NEW.KHGX.RP.S.0023.230422T1547Z-230423T0300Z/
Matagorda Islands-Brazoria Islands-Galveston Island-
Bolivar Peninsula-
1047 AM CDT Sat Apr 22 2023

...HIGH RIP CURRENT RISK IN EFFECT UNTIL 10 PM CDT THIS EVENING...

* WHAT...Dangerous rip currents.

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

* WHEN...Until 10 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.

&&

$$
5 follow-up statements
021 
WHUS44 KHGX 222043
CFWHGX

Coastal Hazard Message
National Weather Service Houston/Galveston TX
343 PM CDT Sat Apr 22 2023

TXZ436>439-230300-
/O.CON.KHGX.RP.S.0023.000000T0000Z-230423T0300Z/
Matagorda Islands-Brazoria Islands-Galveston Island-
Bolivar Peninsula-
343 PM CDT Sat Apr 22 2023

...HIGH RIP CURRENT RISK REMAINS IN EFFECT UNTIL 10 PM CDT THIS
EVENING...

* WHAT...Dangerous rip currents.

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

* WHEN...Until 10 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.

&&

$$
287 
WHUS44 KHGX 230229
CFWHGX

Coastal Hazard Message
National Weather Service Houston/Galveston TX
929 PM CDT Sat Apr 22 2023

TXZ436>439-231030-
/O.EXT.KHGX.RP.S.0023.000000T0000Z-230423T2100Z/
Matagorda Islands-Brazoria Islands-Galveston Island-
Bolivar Peninsula-
929 PM CDT Sat Apr 22 2023

...HIGH RIP CURRENT RISK NOW IN EFFECT THROUGH SUNDAY AFTERNOON...

* WHAT...Dangerous rip currents.

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

* WHEN...Through Sunday afternoon.

* 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.

&&

$$
612 
WHUS44 KHGX 230826
CFWHGX

Coastal Hazard Message
National Weather Service Houston/Galveston TX
326 AM CDT Sun Apr 23 2023

TXZ436>439-231630-
/O.CON.KHGX.RP.S.0023.000000T0000Z-230423T2100Z/
Matagorda Islands-Brazoria Islands-Galveston Island-
Bolivar Peninsula-
326 AM CDT Sun Apr 23 2023

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

* WHAT...Dangerous rip currents.

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

* WHEN...Through this afternoon.

* 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.

&&

$$
502 
WHUS44 KHGX 231406
CFWHGX

Coastal Hazard Message
National Weather Service Houston/Galveston TX
906 AM CDT Sun Apr 23 2023

TXZ436>439-232100-
/O.CON.KHGX.RP.S.0023.000000T0000Z-230423T2100Z/
Matagorda Islands-Brazoria Islands-Galveston Island-
Bolivar Peninsula-
906 AM CDT Sun Apr 23 2023

...HIGH RIP CURRENT RISK REMAINS IN EFFECT UNTIL 4 PM CDT THIS
AFTERNOON...

* WHAT...Dangerous rip currents.

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

* WHEN...Until 4 PM CDT this afternoon.

* 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.

&&

$$
499 
WHUS44 KHGX 232015
CFWHGX

Coastal Hazard Message
National Weather Service Houston/Galveston TX
315 PM CDT Sun Apr 23 2023

TXZ436>439-232115-
/O.CON.KHGX.RP.S.0023.000000T0000Z-230423T2100Z/
Matagorda Islands-Brazoria Islands-Galveston Island-
Bolivar Peninsula-
315 PM CDT Sun Apr 23 2023

...HIGH RIP CURRENT RISK REMAINS IN EFFECT UNTIL 4 PM CDT THIS
AFTERNOON...

* WHAT...Dangerous rip currents.

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

* WHEN...Until 4 PM CDT this afternoon.

* 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
Apr 22, 4:15 AM CDTSmall Craft AdvisoryHGX9 hr

Nearby

Rip Current Statements in Texas, 2023Every rip current statement in 2023

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.