Alert archive / Texas / Rip Current Statements in 2021
Rip Current Statement 50, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this rip current statement at Sep 11, 2021, 1:14 PM CDT for Brazoria County, Galveston County, Matagorda County, Texas. It was in force for 63 hr.
The area
The counties it named.
The facts
- Issued
- Sep 11, 2021, 1:14 PM CDT (18:14 UTC)
- Expired
- Sep 14, 2021, 4:04 AM CDT
- In force
- 63 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 18:16 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, 6.2 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1257 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 29 m²/s²
- 0-3 km storm-relative helicity
- 0 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
912 WHUS44 KHGX 111814 CFWHGX Coastal Hazard Message National Weather Service Houston/Galveston TX 114 PM CDT Sat Sep 11 2021 TXZ436>439-121500- /O.NEW.KHGX.RP.S.0050.210911T1814Z-210912T1500Z/ Matagorda Islands-Brazoria Islands-Galveston Island- Bolivar Peninsula- 114 PM CDT Sat Sep 11 2021 ...HIGH RIP CURRENT RISK IN EFFECT THROUGH SUNDAY MORNING... * WHAT...Dangerous rip currents. * WHERE...Matagorda Islands, Brazoria Islands, Galveston Island and Bolivar Peninsula Counties. * WHEN...Through Sunday morning. * 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. && $$
2 follow-up statements
646 WHUS44 KHGX 121029 CFWHGX Coastal Hazard Message National Weather Service Houston/Galveston TX 529 AM CDT Sun Sep 12 2021 TXZ436>439-121830- /O.EXT.KHGX.RP.S.0050.000000T0000Z-210915T1200Z/ Matagorda Islands-Brazoria Islands-Galveston Island- Bolivar Peninsula- 529 AM CDT Sun Sep 12 2021 ...HIGH RIP CURRENT RISK NOW IN EFFECT THROUGH WEDNESDAY MORNING... * WHAT...Dangerous rip currents. * WHERE...Brazoria Islands, Matagorda Islands, Bolivar Peninsula and Galveston Island Counties. * WHEN...Through Wednesday morning. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water. PRECAUTIONARY/PREPAREDNESS ACTIONS... Swim near a lifeguard and away from rocks, jetties and piers. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help. && $$
236 WHUS44 KHGX 140904 CFWHGX Coastal Hazard Message National Weather Service Houston/Galveston TX 404 AM CDT Tue Sep 14 2021 TXZ436-141715- /O.CAN.KHGX.RP.S.0050.000000T0000Z-210915T1200Z/ /O.NEW.KHGX.CF.Y.0010.210914T0904Z-210914T1800Z/ Matagorda Islands- 404 AM CDT Tue Sep 14 2021 ...COASTAL FLOOD ADVISORY IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON... * WHAT...Minor coastal flooding, particularly on the bay side of the Matagorda Peninsula. * WHERE...Matagorda Islands. * WHEN...Until 1 PM CDT this afternoon. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected. * ADDITIONAL DETAILS...Offshore flow in the wake of now-Tropical Storm Nicholas will pile up water on bay-facing shores. 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. && $$ TXZ437>439-141015- /O.CAN.KHGX.RP.S.0050.000000T0000Z-210915T1200Z/ Brazoria Islands-Galveston Island-Bolivar Peninsula- 404 AM CDT Tue Sep 14 2021 ...HIGH RIP CURRENT RISK IS CANCELLED... $$
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.