Alert archive / Texas / Rip Current Statements in 2020
Rip Current Statement 53, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this rip current statement at Nov 20, 2020, 6:30 AM CST for Brazoria County, Galveston County, Matagorda County, Texas. It was in force for 15 hr.
The area
The counties it named.
The facts
- Issued
- Nov 20, 2020, 6:30 AM CST (12:30 UTC)
- Expired
- Nov 20, 2020, 9:00 PM CST
- In force
- 15 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 12:29 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, 0.5 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
- 4 J/kg
- Mixed-layer CIN
- -381 J/kg
- Mixed-layer LCL
- 829 m above ground
- 0-6 km bulk shear
- 7 kt
- 0-1 km storm-relative helicity
- -83 m²/s²
- 0-3 km storm-relative helicity
- 11 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
504 WHUS44 KHGX 201230 CFWHGX Coastal Hazard Message National Weather Service Houston/Galveston TX 630 AM CST Fri Nov 20 2020 TXZ436>438-202030- /O.NEW.KHGX.RP.S.0053.201120T1230Z-201121T0300Z/ Matagorda Islands-Brazoria Islands- Galveston Island and Bolivar Peninsula- 630 AM CST Fri Nov 20 2020 ...HIGH RIP CURRENT RISK IN EFFECT THROUGH THIS EVENING... * WHAT...Strong rip currents along Gulf-facing beaches. * WHERE...Matagorda Islands, Brazoria Islands and Galveston Island, and Bolivar Peninsula. * WHEN...Through 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 |
|---|---|---|---|---|
| Nov 20, 3:03 AM CST | Dense Fog Advisory | HGX | Austin, Brazoria, Chambers, Colorado, Fort Bend, Galveston and 6 more | 6 hr |
| Nov 20, 3:12 AM CST | Marine Dense Fog Advisory | HGX | 6 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.