Alert archive / Texas / Rip Current Statements in 2020
Rip Current Statement 45, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this rip current statement at Sep 23, 2020, 7:14 AM CDT for Brazoria County, Galveston County, Matagorda County, Texas. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Sep 23, 2020, 7:14 AM CDT (12:14 UTC)
- Expired
- Sep 23, 2020, 12:47 PM CDT
- In force
- 6 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 12:16 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, 0.2 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
- 16 J/kg
- Mixed-layer CIN
- -171 J/kg
- Mixed-layer LCL
- 690 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- 6 m²/s²
- 0-3 km storm-relative helicity
- -17 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
531 WHUS44 KHGX 231214 CFWHGX Coastal Hazard Message National Weather Service Houston/Galveston TX 714 AM CDT Wed Sep 23 2020 TXZ436-437-232015- /O.EXP.KHGX.CF.W.0004.000000T0000Z-200923T1200Z/ /O.EXP.KHGX.RP.S.0044.000000T0000Z-200923T1200Z/ /O.NEW.KHGX.CF.Y.0008.200923T1214Z-200924T1200Z/ /O.NEW.KHGX.RP.S.0045.200923T1214Z-200924T0000Z/ Matagorda Islands-Brazoria Islands- 714 AM CDT Wed Sep 23 2020 ...COASTAL FLOOD WARNING HAS EXPIRED AND HAS BEEN REPLACED BY A COASTAL FLOOD ADVISORY WHICH IS IN EFFECT UNTIL 7 AM CDT THURSDAY... ...HIGH RIP CURRENT RISK IN EFFECT UNTIL 7 PM CDT THIS EVENING... * WHAT...For the Coastal Flood Advisory, minor coastal flooding. For the High Rip Current Risk, dangerous rip currents. * WHERE...Matagorda Islands and Brazoria Islands Counties. * WHEN...For the Coastal Flood Advisory, until 7 AM CDT Thursday. For the High Rip Current Risk, until 7 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. * ADDITIONAL DETAILS...Coastal flooding from Post-Tropical Cyclone Beta may result in tides running around 1 to 2 feet above normal through Thursday morning. 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. && $$ TXZ214-313-335>338-231315- /O.EXP.KHGX.CF.W.0004.000000T0000Z-200923T1200Z/ Chambers-Coastal Harris-Coastal Jackson-Coastal Matagorda- Coastal Brazoria-Coastal Galveston- 714 AM CDT Wed Sep 23 2020 ...COASTAL FLOOD WARNING HAS EXPIRED... Coastal flood impacts are no longer expected across these locations. Therefore, the Coastal Flood Warning was allowed to expire. Continue to exercise caution due to possible minor ponding of water along some isolated locations. $$ TXZ438-232015- /O.EXP.KHGX.RP.S.0044.000000T0000Z-200923T1200Z/ /O.NEW.KHGX.RP.S.0045.200923T1214Z-200924T0000Z/ /O.CON.KHGX.CF.W.0004.000000T0000Z-200924T1200Z/ Galveston Island and Bolivar Peninsula- 714 AM CDT Wed Sep 23 2020 ...COASTAL FLOOD WARNING REMAINS IN EFFECT UNTIL 7 AM CDT THURSDAY... ...HIGH RIP CURRENT RISK IN EFFECT UNTIL 7 PM CDT THIS EVENING... * WHAT...For the Coastal Flood Warning, significant ongoing coastal flooding. For the High Rip Current Risk, dangerous rip currents. * WHERE...Galveston Island and Bolivar Peninsula County. * WHEN...For the Coastal Flood Warning, until 7 AM CDT Thursday. For the High Rip Current Risk, until 7 PM CDT this evening. * IMPACTS...Numerous roads may be closed. Low lying property including homes, businesses, and some critical infrastructure will be inundated. Some shoreline erosion will occur. Rip currents can sweep even the best swimmers away from shore into deeper water. * ADDITIONAL DETAILS...Ongoing coastal flooding from Post- Tropical Cyclone Beta will continue to affect these areas and result in tides running around 1 to 3 feet above normal through Thursday morning. Exercise caution along flooded areas. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take the necessary actions to protect flood-prone property. If travel is required, do not drive around barricades or through water of unknown depth. 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. && $$
2 follow-up statements
162 WHUS44 KHGX 231632 CFWHGX Coastal Hazard Message National Weather Service Houston/Galveston TX 1132 AM CDT Wed Sep 23 2020 TXZ438-240045- /O.CON.KHGX.CF.W.0004.000000T0000Z-200924T1200Z/ /O.CON.KHGX.RP.S.0045.000000T0000Z-200924T0000Z/ Galveston Island and Bolivar Peninsula- 1132 AM CDT Wed Sep 23 2020 ...COASTAL FLOOD WARNING REMAINS IN EFFECT UNTIL 7 AM CDT THURSDAY... ...HIGH RIP CURRENT RISK REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... * WHAT...For the Coastal Flood Warning, significant ongoing coastal flooding. For the High Rip Current Risk, dangerous rip currents. * WHERE...Galveston Island and Bolivar Peninsula County. * WHEN...For the Coastal Flood Warning, until 7 AM CDT Thursday. For the High Rip Current Risk, until 7 PM CDT this evening. * IMPACTS...Numerous roads may be closed. Low lying property including homes, businesses, and some critical infrastructure will be inundated. Some shoreline erosion will occur. Rip currents can sweep even the best swimmers away from shore into deeper water. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take the necessary actions to protect flood-prone property. If travel is required, do not drive around barricades or through water of unknown depth. Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help. && $$ TXZ436-437-240045- /O.CON.KHGX.CF.Y.0008.000000T0000Z-200924T1200Z/ /O.CON.KHGX.RP.S.0045.000000T0000Z-200924T0000Z/ Matagorda Islands-Brazoria Islands- 1132 AM CDT Wed Sep 23 2020 ...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 7 AM CDT THURSDAY... ...HIGH RIP CURRENT RISK REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... * WHAT...For the Coastal Flood Advisory, minor coastal flooding. For the High Rip Current Risk, dangerous rip currents. * WHERE...Matagorda Islands and Brazoria Islands Counties. * WHEN...For the Coastal Flood Advisory, until 7 AM CDT Thursday. For the High Rip Current Risk, until 7 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. && $$
752
WHUS44 KHGX 231747
CFWHGX
Coastal Hazard Message
National Weather Service Houston/Galveston TX
1247 PM CDT Wed Sep 23 2020
TXZ438-240200-
/O.CAN.KHGX.CF.W.0004.000000T0000Z-200924T1200Z/
/O.CAN.KHGX.RP.S.0045.000000T0000Z-200924T0000Z/
/O.EXA.KHGX.CF.Y.0008.000000T0000Z-200924T1200Z/
Galveston Island and Bolivar Peninsula-
1247 PM CDT Wed Sep 23 2020
...COASTAL FLOOD ADVISORY IN EFFECT UNTIL 7 AM CDT THURSDAY...
...COASTAL FLOOD WARNING IS CANCELLED...
...HIGH RIP CURRENT RISK IS CANCELLED...
* WHAT...Minor coastal flooding.
* WHERE...Galveston Island and Bolivar Peninsula County.
* WHEN...Until 7 AM CDT Thursday.
* IMPACTS...Some roads or beach access roads may be closed.
Poor driving conditions are expected mainly during
times of high tide tonight.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If travel is required, allow extra time as some roads may be
closed. Do not drive around barricades or through water of
unknown depth. Take the necessary actions to protect flood-prone
property.
&&
$$
TXZ436-437-240200-
/O.CAN.KHGX.RP.S.0045.000000T0000Z-200924T0000Z/
/O.CON.KHGX.CF.Y.0008.000000T0000Z-200924T1200Z/
Matagorda Islands-Brazoria Islands-
1247 PM CDT Wed Sep 23 2020
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 7 AM CDT
THURSDAY...
...HIGH RIP CURRENT RISK IS CANCELLED...
* WHAT...Minor coastal flooding.
* WHERE...Brazoria Islands and Matagorda Islands Counties.
* WHEN...Until 7 AM CDT Thursday.
* IMPACTS...Some roads or beach access roads may be closed.
Poor driving conditions are expected mainly during
times of high tide tonight.
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.
&&
$$The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 22, 7:01 PM CDT | Areal Flood Advisory | HGX | Brazoria, Galveston, Harris | 4 hr |
| Sep 22, 7:49 PM CDT | Flash Flood Warning | HGX | Harris, Waller | 3 hr |
| Sep 22, 8:18 PM CDT | River Flood Warning | HGX | Harris | 6 hr |
| Sep 22, 8:57 PM CDT | Flash Flood Warning | HGX | Chambers, Harris, Liberty, Montgomery | 2 hr |
| Sep 22, 9:05 PM CDT | River Flood Warning | HGX | Austin, Colorado, Fort Bend, Wharton | 60 hr |
| Sep 22, 9:18 PM CDT | River Flood Warning | HGX | Brazoria | 13 hr |
| Sep 22, 9:23 PM CDT | River Flood Warning | HGX | Harris | 5 hr |
| Sep 22, 10:51 PM CDT | Areal Flood Warning | HGX | Fort Bend, Harris, Waller | 3 hr |
| Sep 22, 10:53 PM CDT | River Flood Warning | HGX | Harris | 9 hr |
| Sep 23, 12:19 AM CDT | Areal Flood Advisory | HGX | Chambers, Harris, Liberty | 116 min |
| Sep 23, 7:14 AM CDT | Coastal Flood Advisory | HGX | Brazoria, Galveston, Matagorda | 21 hr |
Nearby
Rip Current Statements in Texas, 2020Every rip current statement in 2020
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.