Alert archive / Texas / Rip Current Statements in 2020
Rip Current Statement 59, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this rip current statement at Dec 29, 2020, 9:16 AM CST for Brazoria County, Galveston County, Matagorda County, Texas. It was in force for 51 hr.
The area
The counties it named.
The facts
- Issued
- Dec 29, 2020, 9:16 AM CST (15:16 UTC)
- Expired
- Dec 31, 2020, 12:00 PM CST
- In force
- 51 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 15:17 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, 3.3 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
- 67 J/kg
- Mixed-layer CIN
- -440 J/kg
- Mixed-layer LCL
- 737 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 76 m²/s²
- 0-3 km storm-relative helicity
- 130 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
741 WHUS44 KHGX 291516 CFWHGX Coastal Hazard Message National Weather Service Houston/Galveston TX 916 AM CST Tue Dec 29 2020 TXZ436>438-300000- /O.NEW.KHGX.RP.S.0059.201229T1516Z-201230T0000Z/ Matagorda Islands-Brazoria Islands- Galveston Island and Bolivar Peninsula- 916 AM CST Tue Dec 29 2020 ...HIGH RIP CURRENT RISK IN EFFECT UNTIL 6 PM CST THIS EVENING... * WHAT...Dangerous rip currents. * WHERE...Matagorda Islands, Brazoria Islands and Galveston Island and Bolivar Peninsula Counties. * WHEN...Until 6 PM CST 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. && $$
7 follow-up statements
668 WHUS44 KHGX 292117 CFWHGX Coastal Hazard Message National Weather Service Houston/Galveston TX 317 PM CST Tue Dec 29 2020 TXZ436>438-301000- /O.EXT.KHGX.RP.S.0059.000000T0000Z-201231T0000Z/ Matagorda Islands-Brazoria Islands- Galveston Island and Bolivar Peninsula- 317 PM CST Tue Dec 29 2020 ...HIGH RIP CURRENT RISK NOW IN EFFECT THROUGH WEDNESDAY AFTERNOON... * WHAT...Dangerous rip currents. * WHERE...Matagorda Islands, Brazoria Islands and Galveston Island and Bolivar Peninsula Counties. * WHEN...Through Wednesday afternoon. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water. PRECAUTIONARY/PREPAREDNESS ACTIONS... Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help. && $$
015 WHUS44 KHGX 300457 CFWHGX Coastal Hazard Message National Weather Service Houston/Galveston TX 1057 PM CST Tue Dec 29 2020 TXZ436>438-301300- /O.CON.KHGX.RP.S.0059.000000T0000Z-201231T0000Z/ Matagorda Islands-Brazoria Islands- Galveston Island and Bolivar Peninsula- 1057 PM CST Tue Dec 29 2020 ...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH WEDNESDAY AFTERNOON... * WHAT...Dangerous rip currents. * WHERE...Matagorda Islands, Brazoria Islands and Galveston Island and Bolivar Peninsula Counties. * WHEN...Through Wednesday afternoon. * 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. && $$
834 WHUS44 KHGX 300942 CFWHGX Coastal Hazard Message National Weather Service Houston/Galveston TX 342 AM CST Wed Dec 30 2020 TXZ436>438-311800- /O.EXT.KHGX.RP.S.0059.000000T0000Z-201231T1800Z/ Matagorda Islands-Brazoria Islands- Galveston Island and Bolivar Peninsula- 342 AM CST Wed Dec 30 2020 ...HIGH RIP CURRENT RISK NOW IN EFFECT THROUGH THURSDAY MORNING... * WHAT...Dangerous rip currents. * WHERE...Matagorda Islands, Brazoria Islands and Galveston Island and Bolivar Peninsula Counties. * WHEN...Through Thursday morning. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water. PRECAUTIONARY/PREPAREDNESS ACTIONS... Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help. && $$
040 WHUS44 KHGX 301630 CFWHGX Coastal Hazard Message National Weather Service Houston/Galveston TX 1030 AM CST Wed Dec 30 2020 TXZ436>438-310030- /O.CON.KHGX.RP.S.0059.000000T0000Z-201231T1800Z/ Matagorda Islands-Brazoria Islands- Galveston Island and Bolivar Peninsula- 1030 AM CST Wed Dec 30 2020 ...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH THURSDAY MORNING... * WHAT...Dangerous rip currents. * WHERE...Matagorda Islands, Brazoria Islands and Galveston Island and Bolivar Peninsula Counties. * WHEN...Through Thursday 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. && $$
729 WHUS44 KHGX 302106 CFWHGX Coastal Hazard Message National Weather Service Houston/Galveston TX 306 PM CST Wed Dec 30 2020 TXZ436>438-310515- /O.CON.KHGX.RP.S.0059.000000T0000Z-201231T1800Z/ Matagorda Islands-Brazoria Islands- Galveston Island and Bolivar Peninsula- 306 PM CST Wed Dec 30 2020 ...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH THURSDAY MORNING... * WHAT...Dangerous rip currents. * WHERE...Matagorda Islands, Brazoria Islands and Galveston Island and Bolivar Peninsula Counties. * WHEN...Through Thursday morning. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water. PRECAUTIONARY/PREPAREDNESS ACTIONS... Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help. && $$
024 WHUS44 KHGX 310929 CFWHGX Coastal Hazard Message National Weather Service Houston/Galveston TX 329 AM CST Thu Dec 31 2020 TXZ436>438-311730- /O.CON.KHGX.RP.S.0059.000000T0000Z-201231T1800Z/ Matagorda Islands-Brazoria Islands- Galveston Island and Bolivar Peninsula- 329 AM CST Thu Dec 31 2020 ...HIGH RIP CURRENT RISK REMAINS IN EFFECT UNTIL NOON CST TODAY... * WHAT...Dangerous rip currents. * WHERE...Matagorda Islands, Brazoria Islands and Galveston Island and Bolivar Peninsula Counties. * WHEN...Through 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. && $$
520 WHUS44 KHGX 311542 CFWHGX Coastal Hazard Message National Weather Service Houston/Galveston TX 942 AM CST Thu Dec 31 2020 TXZ436>438-311800- /O.CON.KHGX.RP.S.0059.000000T0000Z-201231T1800Z/ Matagorda Islands-Brazoria Islands- Galveston Island and Bolivar Peninsula- 942 AM CST Thu Dec 31 2020 ...HIGH RIP CURRENT RISK REMAINS IN EFFECT UNTIL NOON CST TODAY... * WHAT...Dangerous rip currents. * WHERE...Matagorda Islands, Brazoria Islands and Galveston Island and Bolivar Peninsula Counties. * WHEN...Through this morning. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water. * ADDITIONAL DETAILS...A tornado watch is also in effect for this area until 3 pm CST. Keep the potential for severe weather in mind when planning activity outdoors today. PRECAUTIONARY/PREPAREDNESS ACTIONS... Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help. && $$
The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 29, 6:32 AM CST | Small Craft Advisory | HGX | 53 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.