Alert archive / Texas / Rip Current Statements in 2021
Rip Current Statement 13, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this rip current statement at Apr 14, 2021, 9:36 AM 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
- Apr 14, 2021, 9:36 AM CDT (14:36 UTC)
- Expired
- Apr 14, 2021, 8:00 PM 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 14:39 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, 2.6 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
- 2595 J/kg
- Mixed-layer CIN
- -17 J/kg
- Mixed-layer LCL
- 477 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 16 m²/s²
- 0-3 km storm-relative helicity
- 152 m²/s²
- Significant tornado parameter
- 1.1
- Supercell composite
- 6.0
The text
As transmitted.
711 WHUS44 KHGX 141436 CFWHGX Coastal Hazard Message National Weather Service Houston/Galveston TX 936 AM CDT Wed Apr 14 2021 TXZ438-439-142245- /O.NEW.KHGX.RP.S.0013.210414T1436Z-210415T0100Z/ /O.CON.KHGX.CF.Y.0003.000000T0000Z-210414T1800Z/ Galveston Island-Bolivar Peninsula- 936 AM CDT Wed Apr 14 2021 ...HIGH RIP CURRENT RISK IN EFFECT UNTIL 8 PM CDT THIS EVENING... ...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON... * WHAT...For the Coastal Flood Advisory, minor coastal flooding. For the High Rip Current Risk, dangerous rip currents. * WHERE...Galveston Island and Bolivar Peninsula Counties. * WHEN...For the Coastal Flood Advisory, until 1 PM CDT this afternoon. For the High Rip Current Risk, until 8 PM CDT 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. && $$ TXZ214-313-338-141800- /O.CON.KHGX.CF.Y.0003.000000T0000Z-210414T1800Z/ Chambers-Coastal Harris-Coastal Galveston- 936 AM CDT Wed Apr 14 2021 ...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON... * WHAT...Minor coastal flooding. * WHERE...Chambers, Coastal Harris, Coastal Galveston, Galveston Island and Bolivar Peninsula Counties. * WHEN...Until 1 PM CDT this afternoon. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected. Elevated tide levels are expected to slowly come down. Localized flooding along Highway 87 will be possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property. && $$ TXZ436-437-142245- /O.NEW.KHGX.RP.S.0013.210414T1436Z-210415T0100Z/ Matagorda Islands-Brazoria Islands- 936 AM CDT Wed Apr 14 2021 ...HIGH RIP CURRENT RISK IN EFFECT UNTIL 8 PM CDT THIS EVENING... * WHAT...Dangerous rip currents. * WHERE...Matagorda Islands and Brazoria Islands Counties. * WHEN...Until 8 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. && $$
1 follow-up statement
316 WHUS44 KHGX 141739 CFWHGX Coastal Hazard Message National Weather Service Houston/Galveston TX 1239 PM CDT Wed Apr 14 2021 TXZ438-439-150100- /O.EXT.KHGX.CF.Y.0003.000000T0000Z-210415T0000Z/ /O.CON.KHGX.RP.S.0013.000000T0000Z-210415T0100Z/ Galveston Island-Bolivar Peninsula- 1239 PM CDT Wed Apr 14 2021 ...COASTAL FLOOD ADVISORY NOW IN EFFECT UNTIL 7 PM CDT THIS EVENING... ...HIGH RIP CURRENT RISK REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... * WHAT...For the Coastal Flood Advisory, minor coastal flooding. For the High Rip Current Risk, dangerous rip currents. * WHERE...Galveston Island and Bolivar Peninsula Counties. * WHEN...For the Coastal Flood Advisory, until 7 PM CDT this evening. For the High Rip Current Risk, until 8 PM CDT this evening. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected. Rip currents can sweep even the best swimmers away from shore into deeper water. PRECAUTIONARY/PREPAREDNESS ACTIONS... If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property. Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help. && $$ TXZ214-313-338-150000- /O.EXT.KHGX.CF.Y.0003.000000T0000Z-210415T0000Z/ Chambers-Coastal Harris-Coastal Galveston- 1239 PM CDT Wed Apr 14 2021 ...COASTAL FLOOD ADVISORY NOW IN EFFECT UNTIL 7 PM CDT THIS EVENING... * WHAT...Minor coastal flooding. * WHERE...Chambers, Coastal Harris, Coastal Galveston, Galveston Island and Bolivar Peninsula Counties. * WHEN...Until 7 PM CDT this evening. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected. Elevated tide levels are expected to slowly come down. Localized flooding along Highway 87 will be possible. 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. && $$ TXZ436-437-150100- /O.CON.KHGX.RP.S.0013.000000T0000Z-210415T0100Z/ Matagorda Islands-Brazoria Islands- 1239 PM CDT Wed Apr 14 2021 ...HIGH RIP CURRENT RISK REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... * WHAT...Dangerous rip currents. * WHERE...Matagorda Islands and Brazoria Islands Counties. * WHEN...Until 8 PM CDT this evening. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water. PRECAUTIONARY/PREPAREDNESS ACTIONS... Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help. && $$
The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 13, 8:17 PM CDT | Small Craft Advisory | HGX | 7 hr | |
| Apr 13, 10:20 PM CDT | Wind Advisory | HGX | Brazoria, Chambers, Galveston, Harris, Jackson, Matagorda | 5 hr |
| Apr 14, 3:19 AM CDT | Small Craft Advisory | HGX | 13 hr | |
| Apr 14, 7:58 AM CDT | Coastal Flood Advisory | HGX | Chambers, Galveston, Harris | 11 hr |
| Apr 14, 4:20 PM CDT | Special Weather Statement | HGX | Fort Bend | 25 min |
| Apr 14, 6:34 PM CDT | Special Weather Statement | HGX | Fort Bend | 26 min |
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.