Alert archive / Texas / Rip Current Statements in 2021
Rip Current Statement 14, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this rip current statement at Apr 16, 2021, 10:23 AM CDT for Brazoria County, Galveston County, Matagorda County, Texas. It was in force for 9 hr.
The area
The counties it named.
The facts
- Issued
- Apr 16, 2021, 10:23 AM CDT (15:23 UTC)
- Expired
- Apr 16, 2021, 7:00 PM CDT
- In force
- 9 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 15:27 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
Corpus Christi, TX (KCRP), launched 12:00Z, 3.4 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.
- Mixed-layer CAPE
- 1799 J/kg
- Mixed-layer CIN
- -75 J/kg
- Mixed-layer LCL
- 471 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 174 m²/s²
- 0-3 km storm-relative helicity
- 156 m²/s²
- Significant tornado parameter
- 1.7
- Supercell composite
- 10.1
The text
As transmitted.
344 WHUS44 KHGX 161523 CFWHGX Coastal Hazard Message National Weather Service Houston/Galveston TX 1023 AM CDT Fri Apr 16 2021 TXZ436>439-162330- /O.NEW.KHGX.RP.S.0014.210416T1523Z-210417T0000Z/ Matagorda Islands-Brazoria Islands-Galveston Island- Bolivar Peninsula- 1023 AM CDT Fri Apr 16 2021 ...HIGH RIP CURRENT RISK 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. && $$
The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 15, 7:09 PM CDT | Special Weather Statement | HGX | Liberty, Montgomery | 51 min |
| Apr 15, 7:24 PM CDT | Special Weather Statement | HGX | Harris | 36 min |
| Apr 15, 7:53 PM CDT | Special Weather Statement | HGX | Liberty | 37 min |
| Apr 16, 3:19 PM CDT | Small Craft Advisory | HGX | 49 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; radar from the NEXRAD Level II archive.