Alert archive / Texas / Rip Current Statements in 2023

Rip Current Statement 25, NWS Houston/Galveston, TX

April 27, 2023Brazoria County, Galveston County, Matagorda County, Texas

NWS Houston/Galveston, TX issued this rip current statement at Apr 27, 2023, 12:04 PM CDT for Brazoria County, Galveston County, Matagorda County, Texas. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued
Apr 27, 2023, 12:04 PM CDT (17:04 UTC)
Expired
Apr 27, 2023, 7:00 PM CDT
In force
7 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 17:07 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, 5.1 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 12:00Z on 2023-04-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2401 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Corpus Christi, TX at 12:00Z on 2023-04-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 55 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
2401 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
680 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
55 m²/s²
0-3 km storm-relative helicity
19 m²/s²
Significant tornado parameter
-0.5
Supercell composite
-3.3

Open this sounding in Storm Lab

The text

As transmitted.

913 
WHUS44 KHGX 271704
CFWHGX

Coastal Hazard Message
National Weather Service Houston/Galveston TX
1204 PM CDT Thu Apr 27 2023

TXZ436>439-280000-
/O.NEW.KHGX.RP.S.0025.230427T1704Z-230428T0000Z/
Matagorda Islands-Brazoria Islands-Galveston Island-
Bolivar Peninsula-
1204 PM CDT Thu Apr 27 2023

...HIGH RIP CURRENT RISK IN EFFECT UNTIL 7 PM CDT THIS EVENING...

* WHAT...Dangerous rip currents.

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

* WHEN...Until 7 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
Apr 26, 7:12 PM CDTSpecial Weather StatementHGXTrinity33 min
Apr 26, 8:33 PM CDTSevere Thunderstorm WarningHGXHouston27 min
Apr 26, 8:58 PM CDTSevere Thunderstorm WarningHGXHouston, Trinity47 min
Apr 26, 9:37 PM CDTSpecial Weather StatementHGXMadison23 min
Apr 26, 9:44 PM CDTSevere Thunderstorm WarningHGXHouston, Trinity46 min
Apr 26, 9:47 PM CDTSevere Thunderstorm WarningHGXHouston, Madison, Trinity, Walker28 min
Apr 26, 10:14 PM CDTSevere Thunderstorm WarningHGXHouston, Madison, Polk, San Jacinto, Trinity, Walker46 min
Apr 26, 10:28 PM CDTSevere Thunderstorm Warning Considerable damage threatHGXHouston, Polk, Trinity32 min
Apr 26, 10:39 PM CDTSpecial Weather StatementHGXBrazos, Burleson, Grimes, Walker51 min
Apr 26, 10:49 PM CDTAreal Flood AdvisoryHGXHouston3 hr
Apr 26, 10:55 PM CDTSevere Thunderstorm WarningHGXPolk, San Jacinto, Trinity35 min
Apr 26, 11:16 PM CDTSevere Thunderstorm WarningHGXPolk29 min
Apr 26, 11:26 PM CDTSpecial Weather StatementHGXSan Jacinto34 min
Apr 26, 11:29 PM CDTSevere Thunderstorm WarningHGXPolk31 min
Apr 26, 11:54 PM CDTSpecial Weather StatementHGXLiberty51 min
Apr 27, 2:44 AM CDTSpecial Weather StatementHGXChambers31 min
Apr 27, 3:09 AM CDTSpecial Weather StatementHGXAustin36 min
Apr 27, 4:06 AM CDTSpecial Marine WarningHGX84 min
Apr 27, 4:14 AM CDTSpecial Weather StatementHGXHarris31 min
Apr 27, 4:16 AM CDTSpecial Weather StatementHGXColorado, Wharton29 min
Apr 27, 4:17 AM CDTAreal Flood AdvisoryHGXBrazoria, Fort Bend, Harris58 min
Apr 27, 4:41 AM CDTSevere Thunderstorm WarningHGXBrazoria, Galveston, Harris21 min
Apr 27, 4:55 AM CDTSpecial Marine WarningHGX65 min
Apr 27, 5:01 AM CDTSpecial Weather StatementHGXChambers29 min
Apr 27, 5:09 AM CDTSpecial Weather StatementHGXWharton36 min
Apr 27, 5:35 AM CDTSmall Craft AdvisoryHGX6 hr
Apr 27, 5:38 AM CDTSpecial Marine WarningHGX82 min
Apr 27, 5:46 AM CDTSpecial Weather StatementHGXBrazoria29 min
Apr 27, 6:09 AM CDTSpecial Weather StatementHGXJackson36 min
Apr 27, 6:34 AM CDTSpecial Weather StatementHGXWharton26 min
Apr 27, 6:45 AM CDTSevere Thunderstorm WarningHGXBrazoria, Fort Bend, Matagorda, Wharton15 min
Apr 27, 7:38 AM CDTSpecial Marine WarningHGX67 min
Apr 27, 9:16 AM CDTSpecial Marine WarningHGX29 min

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.