Alert archive / Texas / Rip Current Statements in 2021

Rip Current Statement 2, NWS Houston/Galveston, TX

January 30, 2021Brazoria County, Galveston County, Texas

NWS Houston/Galveston, TX issued this rip current statement at Jan 30, 2021, 8:49 AM CST for Brazoria County, Galveston County, Texas. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued
Jan 30, 2021, 8:49 AM CST (14:49 UTC)
Expired
Jan 30, 2021, 9:00 PM CST
In force
12 hr
Issued by
NWS Houston/Galveston, TX

Counties Brazoria County, TX, Galveston County, TX

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 12:00Z, 2.8 hours before the alert went out and 210 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, Lake Charles Mun, LA at 12:00Z on 2021-01-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Lake Charles Mun, LA at 12:00Z on 2021-01-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 282 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
662 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
282 m²/s²
0-3 km storm-relative helicity
332 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

299 
WHUS44 KHGX 301449
CFWHGX

Coastal Hazard Message
National Weather Service Houston/Galveston TX
849 AM CST Sat Jan 30 2021

TXZ437-438-302300-
/O.NEW.KHGX.RP.S.0002.210130T1449Z-210130T2300Z/
Brazoria Islands-Galveston Island and Bolivar Peninsula-
849 AM CST Sat Jan 30 2021

...HIGH RIP CURRENT RISK IN EFFECT UNTIL 5 PM CST THIS
AFTERNOON...

* WHAT...Dangerous rip currents.

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

* WHEN...Until 5 PM CST 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.

&&

$$
1 follow-up statement
023 
WHUS44 KHGX 302110
CFWHGX

Coastal Hazard Message
National Weather Service Houston/Galveston TX
310 PM CST Sat Jan 30 2021

TXZ437-438-310300-
/O.EXT.KHGX.RP.S.0002.000000T0000Z-210131T0300Z/
Brazoria Islands-Galveston Island and Bolivar Peninsula-
310 PM CST Sat Jan 30 2021

...HIGH RIP CURRENT RISK NOW IN EFFECT UNTIL 9 PM CST THIS
EVENING...

* WHAT...Dangerous rip currents.

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

* WHEN...Until 9 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
Jan 30, 12:29 PM CSTSmall Craft AdvisoryHGX34 hr

Nearby

Rip Current Statements in Texas, 2021Every rip current statement in 2021

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.