Alert archive / Texas / Rip Current Statements in 2021
Rip Current Statement 17, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this rip current statement at Apr 24, 2021, 3:32 AM CDT for Brazoria County, Galveston County, Texas. It was in force for 17 hr.
The area
The counties it named.
The facts
- Issued
- Apr 24, 2021, 3:32 AM CDT (08:32 UTC)
- Expired
- Apr 24, 2021, 9:00 PM CDT
- In force
- 17 hr
- Issued by
- NWS Houston/Galveston, TX
Counties Brazoria County, TX, Galveston County, TX
The radar
The Houston radar (KHGX), 27 km from the middle of the area, began a volume at 08:34 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, 8.5 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.
- Mixed-layer CAPE
- 865 J/kg
- Mixed-layer CIN
- -14 J/kg
- Mixed-layer LCL
- 546 m above ground
- 0-6 km bulk shear
- 87 kt
- 0-1 km storm-relative helicity
- 383 m²/s²
- 0-3 km storm-relative helicity
- 442 m²/s²
- Significant tornado parameter
- 2.4
- Supercell composite
- 10.3
The text
As transmitted.
273 WHUS44 KHGX 240832 CFWHGX Coastal Hazard Message National Weather Service Houston/Galveston TX 332 AM CDT Sat Apr 24 2021 TXZ437>439-250200- /O.CAN.KHGX.BH.S.0002.000000T0000Z-210424T2100Z/ /O.NEW.KHGX.RP.S.0017.210424T0832Z-210425T0200Z/ Brazoria Islands-Galveston Island-Bolivar Peninsula- 332 AM CDT Sat Apr 24 2021 ...HIGH RIP CURRENT RISK IN EFFECT THROUGH THIS EVENING... * WHAT...Dangerous rip currents. * WHERE...Brazoria Islands, Galveston Island and Bolivar Peninsula Counties. * WHEN...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 and away from rocks, jetties and piers. 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. && $$ TXZ436-240945- /O.CAN.KHGX.BH.S.0002.000000T0000Z-210424T2100Z/ Matagorda Islands- 332 AM CDT Sat Apr 24 2021 ...BEACH HAZARDS STATEMENT IS CANCELLED... Marine conditions have improved. That said, there are always hazardous rip currents along the beach. Caution is advised if planning to be at the beach and swim near a lifeguard. $$
The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 23, 11:31 PM CDT | River Flood Warning | HGX | Polk, San Jacinto | 9 hr |
| Apr 23, 11:53 PM CDT | Special Marine Warning | HGX | 37 min | |
| Apr 24, 12:15 AM CDT | Special Marine Warning | HGX | 15 min | |
| Apr 24, 12:24 AM CDT | Special Marine Warning | HGX | 36 min | |
| Apr 24, 12:29 AM CDT | Special Weather Statement | HGX | Chambers | 16 min |
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.