Alert archive / Texas / Rip Current Statements in 2021
Rip Current Statement 6, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this rip current statement at Mar 24, 2021, 10:21 PM CDT for Brazoria County, Galveston County, Matagorda County, Texas. It was in force for 10 hr.
The area
The counties it named.
The facts
- Issued
- Mar 24, 2021, 10:21 PM CDT (03:21 UTC)
- Expired
- Mar 25, 2021, 8:29 AM CDT
- In force
- 10 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 03:23 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, 3.4 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
- 963 J/kg
- Mixed-layer CIN
- -100 J/kg
- Mixed-layer LCL
- 808 m above ground
- 0-6 km bulk shear
- 66 kt
- 0-1 km storm-relative helicity
- -36 m²/s²
- 0-3 km storm-relative helicity
- 34 m²/s²
- Significant tornado parameter
- -0.2
- Supercell composite
- -2.8
The text
As transmitted.
060 WHUS44 KHGX 250321 CFWHGX Coastal Hazard Message National Weather Service Houston/Galveston TX 1021 PM CDT Wed Mar 24 2021 TXZ438-251130- /O.EXP.KHGX.CF.Y.0001.000000T0000Z-210325T0300Z/ /O.EXP.KHGX.RP.S.0005.000000T0000Z-210325T0300Z/ /O.NEW.KHGX.CF.Y.0002.210325T0321Z-210325T1500Z/ /O.NEW.KHGX.RP.S.0006.210325T0321Z-210325T1500Z/ Galveston Island and Bolivar Peninsula- 1021 PM CDT Wed Mar 24 2021 ...COASTAL FLOOD ADVISORY IN EFFECT UNTIL 10 AM CDT THURSDAY... ...HIGH RIP CURRENT RISK IN EFFECT UNTIL 10 AM CDT THURSDAY... * WHAT...For the Coastal Flood Advisory, minor coastal flooding. For the High Rip Current Risk, dangerous rip currents. * WHERE...Galveston Island and Bolivar Peninsula. * WHEN...Until 10 AM CDT Thursday. * 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. && $$ TXZ436-437-251130- /O.EXP.KHGX.RP.S.0005.000000T0000Z-210325T0300Z/ /O.NEW.KHGX.RP.S.0006.210325T0321Z-210325T1500Z/ Matagorda Islands-Brazoria Islands- 1021 PM CDT Wed Mar 24 2021 ...HIGH RIP CURRENT RISK IN EFFECT UNTIL 10 AM CDT THURSDAY... * WHAT...Dangerous rip currents. * WHERE...Matagorda Islands and Brazoria Islands Counties. * WHEN...Until 10 AM CDT Thursday. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water. PRECAUTIONARY/PREPAREDNESS ACTIONS... Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help. && $$
2 follow-up statements
190 WHUS44 KHGX 251003 CFWHGX Coastal Hazard Message National Weather Service Houston/Galveston TX 503 AM CDT Thu Mar 25 2021 TXZ438-251600- /O.EXT.KHGX.CF.Y.0002.000000T0000Z-210325T1600Z/ /O.EXT.KHGX.RP.S.0006.000000T0000Z-210325T1600Z/ Galveston Island and Bolivar Peninsula- 503 AM CDT Thu Mar 25 2021 ...COASTAL FLOOD ADVISORY NOW IN EFFECT UNTIL 11 AM CDT THIS MORNING... ...HIGH RIP CURRENT RISK NOW IN EFFECT UNTIL 11 AM CDT THIS MORNING... * WHAT...For the Coastal Flood Advisory, minor coastal flooding. For the High Rip Current Risk, dangerous rip currents. * WHERE...Galveston Island and Bolivar Peninsula County. * WHEN...Until 11 AM CDT this morning. * 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. && $$ TXZ436-437-251600- /O.EXT.KHGX.RP.S.0006.000000T0000Z-210325T1600Z/ Matagorda Islands-Brazoria Islands- 503 AM CDT Thu Mar 25 2021 ...HIGH RIP CURRENT RISK NOW IN EFFECT UNTIL 11 AM CDT THIS MORNING... * WHAT...Dangerous rip currents. * WHERE...Brazoria Islands and Matagorda Islands Counties. * WHEN...Until 11 AM CDT this morning. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water. PRECAUTIONARY/PREPAREDNESS ACTIONS... Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help. && $$
534 WHUS44 KHGX 251329 CFWHGX Coastal Hazard Message National Weather Service Houston/Galveston TX 829 AM CDT Thu Mar 25 2021 TXZ438-251430- /O.CAN.KHGX.CF.Y.0002.000000T0000Z-210325T1600Z/ /O.CAN.KHGX.RP.S.0006.000000T0000Z-210325T1600Z/ Galveston Island and Bolivar Peninsula- 829 AM CDT Thu Mar 25 2021 ...COASTAL FLOOD ADVISORY IS CANCELLED... ...HIGH RIP CURRENT RISK IS CANCELLED... A wind shift to the west has helped to lower water levels to below 3.0 feet. Offshore winds will persist for the rest of the day and water levels will continue to drop. The Coastal Flood Advisory previously in effect has been canceled. The offshore wind has also reduced the risk for rip currents. Swimmers are still urged to use caution and swim near lifeguards as the surf may remain rough as swells propagate toward the coast this morning. $$ TXZ436-437-251430- /O.CAN.KHGX.RP.S.0006.000000T0000Z-210325T1600Z/ Matagorda Islands-Brazoria Islands- 829 AM CDT Thu Mar 25 2021 ...HIGH RIP CURRENT RISK IS CANCELLED... A moderate offshore wind has reduced the risk for rip currents. Swimmers are still urged to use caution and swim near lifeguards as the surf may remain rough as swells propagate toward the coast this morning. $$
The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 24, 7:37 PM CDT | Marine Dense Fog Advisory | HGX | 14 hr | |
| Mar 24, 10:21 PM CDT | Coastal Flood Advisory | HGX | Galveston | 10 hr |
| Mar 24, 10:25 PM CDT | Small Craft Advisory | HGX | 18 hr | |
| Mar 25, 1:15 AM CDT | Dense Fog Advisory | HGX | Brazoria, Chambers, Galveston, Harris, Jackson, Liberty and 1 more | 4 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.