Alert archive / Texas / Rip Current Statements in 2023

Rip Current Statement 29, NWS Houston/Galveston, TX

May 10, 2023Brazoria County, Galveston County, Matagorda County, Texas

NWS Houston/Galveston, TX issued this rip current statement at May 10, 2023, 1:38 PM CDT for Brazoria County, Galveston County, Matagorda County, Texas. It was in force for 13 hr.

The area

The counties it named.

The facts

Issued
May 10, 2023, 1:38 PM CDT (18:38 UTC)
Expired
May 11, 2023, 2:51 AM CDT
In force
13 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 18:37 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, 6.6 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 2023-05-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2118 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 2023-05-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 68 square meters per square second.193958Sfc1 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
2118 J/kg
Mixed-layer CIN
-18 J/kg
Mixed-layer LCL
662 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
68 m²/s²
0-3 km storm-relative helicity
59 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.7

Open this sounding in Storm Lab

The text

As transmitted.

458 
WHUS44 KHGX 101838
CFWHGX

Coastal Hazard Message
National Weather Service Houston/Galveston TX
138 PM CDT Wed May 10 2023

TXZ436>439-110245-
/O.NEW.KHGX.RP.S.0029.230510T1838Z-230511T1600Z/
Matagorda Islands-Brazoria Islands-Galveston Island-
Bolivar Peninsula-
138 PM CDT Wed May 10 2023

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

* WHAT...Dangerous rip currents.

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

* WHEN...Through Thursday 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.

&&

$$
1 follow-up statement
372 
WHUS44 KHGX 110751
CFWHGX

Coastal Hazard Message
National Weather Service Houston/Galveston TX
251 AM CDT Thu May 11 2023

TXZ436>439-111600-
/O.CAN.KHGX.RP.S.0029.000000T0000Z-230511T1600Z/
/O.NEW.KHGX.BH.S.0002.230511T0751Z-230512T0200Z/
Matagorda Islands-Brazoria Islands-Galveston Island-
Bolivar Peninsula-
251 AM CDT Thu May 11 2023

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

* WHAT...High risk of rip currents and elevated seas and surf.

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

* WHEN...Through this evening.

* IMPACTS...Hazardous swimming conditions along area beaches.
  Water levels peak around or just over 3 feet MLLW this 
  afternoon during high tide along Gulf facing beaches. 
  Minor coastal flooding will be possible at the lowest and
  more susceptible roadways during high tide today.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Swim near a lifeguard and away from rocks, jetties, and piers.
Remain alert to potential overwash on low lying coastal roadways.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 10, 1:04 AM CDTSpecial Marine WarningHGX41 min
May 10, 1:16 AM CDTSpecial Weather StatementHGXJackson44 min
May 10, 2:22 AM CDTSpecial Weather StatementHGXMatagorda38 min
May 10, 4:39 AM CDTAreal Flood AdvisoryHGXJackson, Matagorda, Wharton3 hr
May 10, 5:46 AM CDTSpecial Weather StatementHGXBrazoria, Fort Bend44 min
May 10, 5:52 AM CDTSpecial Marine WarningHGX113 min
May 10, 5:54 AM CDTSevere Thunderstorm WarningHGXBrazoria, Fort Bend, Matagorda36 min
May 10, 6:12 AM CDTFlash Flood WarningHGXJackson, Matagorda101 min
May 10, 6:29 AM CDTSevere Thunderstorm WarningHGXBrazoria, Fort Bend, Galveston, Harris46 min
May 10, 7:13 AM CDTSpecial Weather StatementHGXGalveston47 min
May 10, 7:39 AM CDTAreal Flood AdvisoryHGXBrazoria, Fort Bend, Galveston, Harris2 hr
May 10, 7:45 AM CDTSpecial Weather StatementHGXChambers60 min
May 10, 7:55 AM CDTAreal Flood WarningHGXJackson, Matagorda2 hr
May 10, 8:54 AM CDTSpecial Marine WarningHGX75 min
May 10, 10:11 AM CDTSpecial Marine WarningHGX64 min
May 10, 11:05 AM CDTRiver Flood WarningHGXJackson7 days
May 10, 11:06 AM CDTRiver Flood WarningHGXJackson45 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.