Alert archive / Texas / Rip Current Statements in 2021
Rip Current Statement 23, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this rip current statement at May 2, 2021, 3:42 AM CDT for Brazoria County, Galveston County, Matagorda County, Texas. It was in force for 5 hr.
The area
The counties it named.
The facts
- Issued
- May 2, 2021, 3:42 AM CDT (08:42 UTC)
- Expired
- May 2, 2021, 8:22 AM CDT
- In force
- 5 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 08:41 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, 8.7 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
- 340 J/kg
- Mixed-layer CIN
- -107 J/kg
- Mixed-layer LCL
- 782 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 72 m²/s²
- 0-3 km storm-relative helicity
- 105 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The text
As transmitted.
514 WHUS44 KHGX 020842 CFWHGX Coastal Hazard Message National Weather Service Houston/Galveston TX 342 AM CDT Sun May 2 2021 TXZ436>439-021645- /O.NEW.KHGX.RP.S.0023.210502T0842Z-210503T0200Z/ Matagorda Islands-Brazoria Islands-Galveston Island- Bolivar Peninsula- 342 AM CDT Sun May 2 2021 ...HIGH RIP CURRENT RISK IN EFFECT THROUGH THIS EVENING... * WHAT...Dangerous rip currents. * WHERE...Matagorda Islands, 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. 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. && $$
1 follow-up statement
395 WHUS44 KHGX 021322 CFWHGX Coastal Hazard Message National Weather Service Houston/Galveston TX 822 AM CDT Sun May 2 2021 TXZ436>439-022130- /O.CAN.KHGX.RP.S.0023.000000T0000Z-210503T0200Z/ /O.NEW.KHGX.BH.S.0003.210502T1322Z-210503T0200Z/ Matagorda Islands-Brazoria Islands-Galveston Island- Bolivar Peninsula- 822 AM CDT Sun May 2 2021 ...BEACH HAZARDS STATEMENT IN EFFECT THROUGH THIS EVENING... * WHAT...Dangerous rip currents and elevated water levels during high tide that can lead to minor coastal flooding. * WHERE...Matagorda Islands, Brazoria Islands, Galveston Island and Bolivar Peninsula Counties. * WHEN...Through this evening. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected. Rip currents can sweep even the best swimmers away from shore into deeper water.. PRECAUTIONARY/PREPAREDNESS ACTIONS... If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property. Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help. && $$
The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 1, 9:42 PM CDT | River Flood Warning | HGX | Montgomery | 53 hr |
| May 1, 9:42 PM CDT | River Flood Warning | HGX | Harris, Liberty, Montgomery | 5 days |
| May 1, 9:51 PM CDT | Areal Flood Advisory | HGX | Montgomery | 12 hr |
| May 2, 3:39 AM CDT | River Flood Warning | HGX | Jackson, Wharton | 29 hr |
| May 2, 3:42 AM CDT | Small Craft Advisory | HGX | 8 hr | |
| May 2, 8:22 AM CDT | Beach Hazards Statement | HGX | Brazoria, Galveston, Matagorda | 13 hr |
| May 2, 11:08 AM CDT | Areal Flood Advisory | HGX | Waller | 7 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.