Alert archive / Texas / Beach Hazards Statements in 2021

Beach Hazards Statement 1, NWS Houston/Galveston, TX

March 1, 2021Brazoria County, Galveston County, Matagorda County, Texas

NWS Houston/Galveston, TX issued this beach hazards statement at Mar 1, 2021, 10:26 AM CST for Brazoria County, Galveston County, Matagorda County, Texas. It was in force for 20 hr.

The area

The counties it named.

The facts

Issued
Mar 1, 2021, 10:26 AM CST (16:26 UTC)
Expired
Mar 2, 2021, 6:00 AM CST
In force
20 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 16:29 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, 4.4 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 2021-03-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 378 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 2021-03-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 83 square meters per square second.1939587897117Sfc1 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
378 J/kg
Mixed-layer CIN
-155 J/kg
Mixed-layer LCL
616 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
83 m²/s²
0-3 km storm-relative helicity
70 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.1

Open this sounding in Storm Lab

The text

As transmitted.

268 
WHUS44 KHGX 011626
CFWHGX

Coastal Hazard Message
National Weather Service Houston/Galveston TX
1026 AM CST Mon Mar 1 2021

TXZ436>438-020730-
/O.NEW.KHGX.BH.S.0001.210301T1626Z-210302T1200Z/
Matagorda Islands-Brazoria Islands-
Galveston Island and Bolivar Peninsula-
1026 AM CST Mon Mar 1 2021

...BEACH HAZARDS STATEMENT IN EFFECT THROUGH LATE TONIGHT...

* WHAT...Strong rip currents expected. 

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

* WHEN...Through late tonight.

* IMPACTS...Strong rip currents will make swimming on Gulf facing 
  beaches hazardous. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain out of the water to avoid hazardous swimming conditions.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 1, 3:30 AM CSTSmall Craft AdvisoryHGX36 hr

Nearby

Beach Hazards Statements in Texas, 2021Every beach hazards 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; radar from the NEXRAD Level II archive.