Alert archive / Texas / Rip Current Statements in 2020
Rip Current Statement 56, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this rip current statement at Dec 23, 2020, 10:20 AM CST for Brazoria County, Galveston County, Matagorda County, Texas. It was in force for 8 hr.
The area
The counties it named.
The facts
- Issued
- Dec 23, 2020, 10:20 AM CST (16:20 UTC)
- Expired
- Dec 23, 2020, 6:00 PM CST
- In force
- 8 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 16:21 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, 4.3 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
- 119 J/kg
- Mixed-layer CIN
- -167 J/kg
- Mixed-layer LCL
- 665 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 197 m²/s²
- 0-3 km storm-relative helicity
- 188 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted.
253 WHUS44 KHGX 231620 CFWHGX Coastal Hazard Message National Weather Service Houston/Galveston TX 1020 AM CST Wed Dec 23 2020 TXZ436>438-240000- /O.NEW.KHGX.RP.S.0056.201223T1620Z-201224T0000Z/ Matagorda Islands-Brazoria Islands- Galveston Island and Bolivar Peninsula- 1020 AM CST Wed Dec 23 2020 ...HIGH RIP CURRENT RISK IN EFFECT UNTIL 6 PM CST THIS EVENING... * WHAT...Dangerous rip currents. * WHERE...Gulf facing beaches along the Matagorda Islands, Brazoria Islands and Galveston Island and Bolivar Peninsula. * 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. && $$
1 follow-up statement
943 WHUS44 KHGX 232156 CFWHGX Coastal Hazard Message National Weather Service Houston/Galveston TX 356 PM CST Wed Dec 23 2020 TXZ436>438-240000- /O.CON.KHGX.RP.S.0056.000000T0000Z-201224T0000Z/ Matagorda Islands-Brazoria Islands- Galveston Island and Bolivar Peninsula- 356 PM CST Wed Dec 23 2020 ...HIGH RIP CURRENT RISK REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING... * WHAT...Dangerous rip currents. * WHERE...Gulf facing beaches along the Matagorda Islands, Brazoria Islands and Galveston Island and Bolivar Peninsula. * WHEN...Until 6 PM CST this evening. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water. PRECAUTIONARY/PREPAREDNESS ACTIONS... Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help. && $$
The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 23, 2:50 AM CST | Gale Warning | HGX | 33 hr | |
| Dec 23, 3:00 AM CST | Wind Advisory | HGX | Austin, Brazoria, Brazos, Burleson, Chambers, Colorado and 17 more | 33 hr |
| Dec 23, 2:57 PM CST | Special Weather Statement | HGX | Harris | 33 min |
| Dec 23, 3:35 PM CST | Special Weather Statement | HGX | Liberty | 40 min |
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.