Alert archive / Texas / Rip Current Statements in 2021
Rip Current Statement 35, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this rip current statement at Jun 21, 2021, 3:46 AM CDT for Brazoria County, Galveston County, Matagorda County, Texas. It was in force for 15 hr.
The area
The counties it named.
The facts
- Issued
- Jun 21, 2021, 3:46 AM CDT (08:46 UTC)
- Expired
- Jun 21, 2021, 7:00 PM CDT
- In force
- 15 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 08:49 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, 8.8 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.
- Mixed-layer CAPE
- 3029 J/kg
- Mixed-layer CIN
- -12 J/kg
- Mixed-layer LCL
- 815 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 21 m²/s²
- 0-3 km storm-relative helicity
- 50 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 3.1
The text
As transmitted.
623 WHUS44 KHGX 210846 CFWHGX Coastal Hazard Message National Weather Service Houston/Galveston TX 346 AM CDT Mon Jun 21 2021 TXZ436>439-211700- /O.NEW.KHGX.RP.S.0035.210621T0846Z-210621T1800Z/ Matagorda Islands-Brazoria Islands-Galveston Island- Bolivar Peninsula- 346 AM CDT Mon Jun 21 2021 ...HIGH RIP CURRENT RISK IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON... * WHAT...Dangerous rip currents. * WHERE...Matagorda Islands, Brazoria Islands, Galveston Island and Bolivar Peninsula Counties. * WHEN...Until 1 PM CDT this afternoon. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water. * ADDITIONAL DETAILS...This hazard may need to be extended through this evening. 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. && $$
3 follow-up statements
315 WHUS44 KHGX 211318 CFWHGX Coastal Hazard Message National Weather Service Houston/Galveston TX 818 AM CDT Mon Jun 21 2021 TXZ436>439-220000- /O.EXT.KHGX.RP.S.0035.000000T0000Z-210622T0000Z/ Matagorda Islands-Brazoria Islands-Galveston Island- Bolivar Peninsula- 818 AM CDT Mon Jun 21 2021 ...HIGH RIP CURRENT RISK NOW IN EFFECT UNTIL 7 PM CDT THIS EVENING... * WHAT...Dangerous rip currents. * WHERE...Matagorda Islands, Brazoria Islands, Galveston Island and Bolivar Peninsula Counties. * WHEN...Until 7 PM CDT this evening. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water. PRECAUTIONARY/PREPAREDNESS ACTIONS... Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help. && $$
847 WHUS44 KHGX 211501 CFWHGX Coastal Hazard Message National Weather Service Houston/Galveston TX 1001 AM CDT Mon Jun 21 2021 TXZ436>439-212315- /O.CON.KHGX.RP.S.0035.000000T0000Z-210622T0000Z/ Matagorda Islands-Brazoria Islands-Galveston Island- Bolivar Peninsula- 1001 AM CDT Mon Jun 21 2021 ...HIGH RIP CURRENT RISK REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... * WHAT...Dangerous rip currents. * WHERE...Brazoria Islands, Matagorda Islands, Bolivar Peninsula and Galveston Island. * WHEN...Until 7 PM CDT 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. && $$
233 WHUS44 KHGX 212010 CFWHGX Coastal Hazard Message National Weather Service Houston/Galveston TX 310 PM CDT Mon Jun 21 2021 TXZ436>439-220000- /O.CON.KHGX.RP.S.0035.000000T0000Z-210622T0000Z/ Matagorda Islands-Brazoria Islands-Galveston Island- Bolivar Peninsula- 310 PM CDT Mon Jun 21 2021 ...HIGH RIP CURRENT RISK REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... * WHAT...Dangerous rip currents. * WHERE...Brazoria Islands, Matagorda Islands, Bolivar Peninsula and Galveston Island. * WHEN...Until 7 PM CDT this evening. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water. PRECAUTIONARY/PREPAREDNESS ACTIONS... Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help. && $$
The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 20, 7:37 PM CDT | Special Marine Warning | HGX | 53 min | |
| Jun 20, 9:22 PM CDT | Special Marine Warning | HGX | 38 min | |
| Jun 21, 1:08 AM CDT | Special Marine Warning | HGX | 67 min | |
| Jun 21, 4:37 PM CDT | Special Weather Statement | HGX | Liberty | 38 min |
| Jun 21, 4:58 PM CDT | Areal Flood Advisory | HGX | Harris | 3 hr |
| Jun 21, 5:07 PM CDT | Special Weather Statement | HGX | Harris | 38 min |
| Jun 21, 5:34 PM CDT | Flash Flood Warning | HGX | Harris | 116 min |
| Jun 21, 5:42 PM CDT | Special Weather Statement | HGX | Harris | 48 min |
| Jun 21, 5:49 PM CDT | Areal Flood Advisory | HGX | Chambers, Harris, Liberty, Montgomery | 116 min |
| Jun 21, 5:59 PM CDT | Areal Flood Advisory | HGX | Austin, Waller, Washington | 2 hr |
| Jun 21, 6:51 PM CDT | Flash Flood Warning | HGX | Harris | 114 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.