Alert archive / Texas / Rip Current Statements in 2021
Rip Current Statement 57, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this rip current statement at Oct 26, 2021, 10:39 PM CDT for Brazoria County, Galveston County, Matagorda County, Texas. It took effect at Oct 27, 2021, 1:00 AM CDT. It was in force for 19 hr.
The area
The counties it named.
The facts
- Issued
- Oct 26, 2021, 10:39 PM CDT (03:39 UTC)
- In effect from
- Oct 27, 2021, 1:00 AM CDT
- Expired
- Oct 27, 2021, 8:00 PM CDT
- In force
- 19 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 03:40 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, 3.7 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
- 1406 J/kg
- Mixed-layer CIN
- -50 J/kg
- Mixed-layer LCL
- 845 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 61 m²/s²
- 0-3 km storm-relative helicity
- 68 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 7.2
The text
As transmitted.
605 WHUS44 KHGX 270339 CFWHGX Coastal Hazard Message National Weather Service Houston/Galveston TX 1039 PM CDT Tue Oct 26 2021 TXZ436>439-280100- /O.NEW.KHGX.RP.S.0057.211027T0600Z-211028T0100Z/ Matagorda Islands-Brazoria Islands-Galveston Island- Bolivar Peninsula- 1039 PM CDT Tue Oct 26 2021 ...HIGH RIP CURRENT RISK IN EFFECT THROUGH WEDNESDAY EVENING... * WHAT...Dangerous rip currents expected. * WHERE...Matagorda Islands, Brazoria Islands, Galveston Island and Bolivar Peninsula Counties. * WHEN...Through Wednesday 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. && $$
1 follow-up statement
520 WHUS44 KHGX 270824 CFWHGX Coastal Hazard Message National Weather Service Houston/Galveston TX 324 AM CDT Wed Oct 27 2021 TXZ436>439-271630- /O.CON.KHGX.RP.S.0057.000000T0000Z-211028T0100Z/ Matagorda Islands-Brazoria Islands-Galveston Island- Bolivar Peninsula- 324 AM CDT Wed Oct 27 2021 ...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH THIS EVENING... * WHAT...Dangerous rip currents. * WHERE...Brazoria Islands, Matagorda Islands, Bolivar Peninsula and Galveston Island Counties. * WHEN...Through this evening. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water. PRECAUTIONARY/PREPAREDNESS ACTIONS... Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help. && $$
The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 27, 6:10 AM CDT | Special Marine Warning | HGX | 50 min | |
| Oct 27, 6:44 AM CDT | Special Weather Statement | HGX | Austin, Brazos, Grimes, Madison, Washington | 46 min |
| Oct 27, 6:56 AM CDT | Special Marine Warning | HGX | 34 min | |
| Oct 27, 6:58 AM CDT | Special Marine Warning | HGX | 32 min | |
| Oct 27, 7:23 AM CDT | Special Marine Warning | HGX | 37 min | |
| Oct 27, 7:31 AM CDT | Special Weather Statement | HGX | Austin, Colorado, Grimes, Jackson, Montgomery, Walker and 3 more | 44 min |
| Oct 27, 8:06 AM CDT | Tornado Warning | HGX | Harris, Montgomery | 24 min |
| Oct 27, 8:09 AM CDT | Special Marine Warning | HGX | 66 min | |
| Oct 27, 8:09 AM CDT | Special Marine Warning | HGX | 66 min | |
| Oct 27, 8:16 AM CDT | Tornado Warning | HGX | Harris | 29 min |
| Oct 27, 8:28 AM CDT | Special Weather Statement | HGX | Brazoria, Fort Bend, Harris, Liberty, Matagorda, Montgomery and 4 more | 92 min |
| Oct 27, 8:38 AM CDT | Severe Thunderstorm Warning | HGX | Harris | 37 min |
| Oct 27, 8:48 AM CDT | Tornado Warning | HGX | Harris, Liberty, Montgomery | 27 min |
| Oct 27, 8:55 AM CDT | Tornado Warning | HGX | Harris, Liberty | 35 min |
| Oct 27, 8:57 AM CDT | Special Marine Warning | HGX | 93 min | |
| Oct 27, 9:16 AM CDT | Severe Thunderstorm Warning | HGX | Harris | 29 min |
| Oct 27, 9:23 AM CDT | Severe Thunderstorm Warning | HGX | Chambers, Harris, Liberty | 37 min |
| Oct 27, 9:31 AM CDT | Special Marine Warning | HGX | 119 min | |
| Oct 27, 9:52 AM CDT | Special Weather Statement | HGX | Chambers, Galveston | 53 min |
| Oct 27, 9:58 AM CDT | Severe Thunderstorm Warning | HGX | Chambers, Liberty | 32 min |
| Oct 27, 11:31 AM CDT | Special Marine Warning | HGX | 29 min | |
| Oct 27, 11:51 AM CDT | Special Marine Warning | HGX | 84 min | |
| Oct 27, 3:05 PM CDT | Wind Advisory | HGX | Austin, Brazoria, Brazos, Burleson, Chambers, Colorado and 17 more | 28 hr |
| Oct 27, 3:26 PM CDT | Gale Warning | HGX | 36 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.