Alert archive / Texas / Rip Current Statements in 2022

Rip Current Statement 56, NWS Houston/Galveston, TX

December 29, 2022Brazoria County, Galveston County, Matagorda County, Texas

NWS Houston/Galveston, TX issued this rip current statement at Dec 29, 2022, 8:47 AM CST for Brazoria County, Galveston County, Matagorda County, Texas. It was in force for 10 hr.

The area

The counties it named.

The facts

Issued
Dec 29, 2022, 8:47 AM CST (14:47 UTC)
Expired
Dec 29, 2022, 7:00 PM CST
In force
10 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 14:47 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, 2.8 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 2022-12-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 451 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 2022-12-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 166 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
451 J/kg
Mixed-layer CIN
-170 J/kg
Mixed-layer LCL
643 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
166 m²/s²
0-3 km storm-relative helicity
110 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

The text

As transmitted.

101 
WHUS44 KHGX 291447
CFWHGX

Coastal Hazard Message
National Weather Service Houston/Galveston TX
847 AM CST Thu Dec 29 2022

TXZ436>439-300030-
/O.NEW.KHGX.RP.S.0056.221229T1447Z-221230T0100Z/
Matagorda Islands-Brazoria Islands-Galveston Island-
Bolivar Peninsula-
847 AM CST Thu Dec 29 2022

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

* WHAT...Dangerous rip currents.

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

* WHEN...Until 7 PM CST 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.

&&

$$
1 follow-up statement
867 
WHUS44 KHGX 292111
CFWHGX

Coastal Hazard Message
National Weather Service Houston/Galveston TX
311 PM CST Thu Dec 29 2022

TXZ436>439-300100-
/O.CON.KHGX.RP.S.0056.000000T0000Z-221230T0100Z/
Matagorda Islands-Brazoria Islands-Galveston Island-
Bolivar Peninsula-
311 PM CST Thu Dec 29 2022

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

* WHAT...Dangerous rip currents.

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

* WHEN...Until 7 PM CST 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
Dec 28, 8:56 PM CSTMarine Dense Fog AdvisoryHGX12 hr
Dec 29, 3:02 PM CSTSpecial Weather StatementHGXLiberty28 min
Dec 29, 3:36 PM CSTSpecial Marine WarningHGX39 min
Dec 29, 3:47 PM CSTSpecial Weather StatementHGXBurleson28 min
Dec 29, 3:52 PM CSTSevere Thunderstorm WarningHGXBurleson38 min
Dec 29, 5:26 PM CSTSpecial Weather StatementHGXBurleson34 min
Dec 29, 5:56 PM CSTSpecial Marine WarningHGX34 min
Dec 29, 5:56 PM CSTMarine Dense Fog AdvisoryHGX6 hr

Nearby

Rip Current Statements in Texas, 2022Every rip current statement in 2022

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.