Alert archive / Texas / Rip Current Statements in 2022

Rip Current Statement 55, NWS Houston/Galveston, TX

December 13, 2022Brazoria County, Galveston County, Matagorda County, Texas

NWS Houston/Galveston, TX issued this rip current statement at Dec 13, 2022, 3:50 AM CST for Brazoria County, Galveston County, Matagorda County, Texas. It was in force for 14 hr.

The area

The counties it named.

The facts

Issued
Dec 13, 2022, 3:50 AM CST (09:50 UTC)
Expired
Dec 13, 2022, 6:00 PM CST
In force
14 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 09:53 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, 9.8 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 00:00Z on 2022-12-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 113 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 2022-12-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 105 square meters per square second.1939587897Sfc1 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
113 J/kg
Mixed-layer CIN
-132 J/kg
Mixed-layer LCL
849 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
105 m²/s²
0-3 km storm-relative helicity
218 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.6

Open this sounding in Storm Lab

The text

As transmitted.

381 
WHUS44 KHGX 130950
CFWHGX

Coastal Hazard Message
National Weather Service Houston/Galveston TX
350 AM CST Tue Dec 13 2022

TXZ436>439-131800-
/O.NEW.KHGX.RP.S.0055.221213T0950Z-221214T0000Z/
Matagorda Islands-Brazoria Islands-Galveston Island-
Bolivar Peninsula-
350 AM CST Tue Dec 13 2022

...HIGH RIP CURRENT RISK 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. 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 13, 2:23 PM CSTSevere Thunderstorm WarningHGXHouston37 min
Dec 13, 3:20 PM CSTSpecial Weather StatementHGXSan Jacinto25 min
Dec 13, 3:23 PM CSTSmall Craft AdvisoryHGX24 hr
Dec 13, 3:41 PM CSTSevere Thunderstorm WarningHGXPolk, Trinity34 min
Dec 13, 3:55 PM CSTSevere Thunderstorm WarningHGXChambers, Liberty35 min
Dec 13, 4:50 PM CSTSevere Thunderstorm WarningHGXHouston25 min
Dec 13, 5:14 PM CSTSpecial Weather StatementHGXHouston31 min

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.