Alert archive / Texas / Rip Current Statements in 2021
Rip Current Statement 49, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this rip current statement at Aug 30, 2021, 4:24 AM CDT for Brazoria County, Galveston County, Matagorda County, Texas. It took effect at Aug 30, 2021, 7:00 AM CDT. It was in force for 12 hr.
The area
The counties it named.
The facts
- Issued
- Aug 30, 2021, 4:24 AM CDT (09:24 UTC)
- In effect from
- Aug 30, 2021, 7:00 AM CDT
- Expired
- Aug 30, 2021, 7:00 PM CDT
- In force
- 12 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 09:27 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
Lake Charles Mun, LA (KLCH), launched 00:00Z, 9.4 hours before the alert went out and 243 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.
- Mixed-layer CAPE
- 502 J/kg
- Mixed-layer CIN
- -26 J/kg
- Mixed-layer LCL
- 1083 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 116 m²/s²
- 0-3 km storm-relative helicity
- 142 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
734 WHUS44 KHGX 300924 CFWHGX Coastal Hazard Message National Weather Service Houston/Galveston TX 424 AM CDT Mon Aug 30 2021 TXZ436>439-301800- /O.NEW.KHGX.RP.S.0049.210830T1200Z-210831T0000Z/ /O.CON.KHGX.BH.S.0008.000000T0000Z-210830T1200Z/ Matagorda Islands-Brazoria Islands-Galveston Island- Bolivar Peninsula- 424 AM CDT Mon Aug 30 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 7 AM CDT THIS MORNING... ...HIGH RIP CURRENT RISK IN EFFECT THROUGH THIS EVENING... * WHAT...For the Beach Hazards Statement, strong rip currents and minor coastal flooding due to elevated tides and moderate wave run-up along area beaches around times of high tide are expected. For the High Rip Current Risk, dangerous rip currents expected through this evening. * WHERE...Matagorda Islands, Brazoria Islands, Galveston Island and Bolivar Peninsula Counties. * WHEN...For the Beach Hazards Statement, until 7 AM CDT this morning. For the High Rip Current Risk, through 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. Remain out of the water to avoid hazardous swimming conditions. && $$
1 follow-up statement
715 WHUS44 KHGX 301206 CFWHGX Coastal Hazard Message National Weather Service Houston/Galveston TX 706 AM CDT Mon Aug 30 2021 TXZ436>439-302015- /O.EXP.KHGX.BH.S.0008.000000T0000Z-210830T1200Z/ /O.CON.KHGX.RP.S.0049.000000T0000Z-210831T0000Z/ Matagorda Islands-Brazoria Islands-Galveston Island- Bolivar Peninsula- 706 AM CDT Mon Aug 30 2021 ...HIGH RIP CURRENT RISK REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... ...BEACH HAZARDS STATEMENT HAS EXPIRED... * WHAT...Dangerous rip currents. * WHERE...Matagorda Islands, Brazoria Islands, Galveston Island and Bolivar Peninsula Counties. * WHEN...For the Beach Hazards Statement, until 7 AM CDT this morning. For the High Rip Current Risk, through this evening. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water. PRECAUTIONARY/PREPAREDNESS ACTIONS... Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help. && $$
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; radar from the NEXRAD Level II archive.