Alert archive / Texas / Rip Current Statements in 2021
Rip Current Statement 40, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this rip current statement at Jul 6, 2021, 11:16 PM CDT for Brazoria County, Galveston County, Matagorda County, Texas. It took effect at Jul 7, 2021, 12:00 AM CDT. It was in force for 19 hr.
The area
The counties it named.
The facts
- Issued
- Jul 6, 2021, 11:16 PM CDT (04:16 UTC)
- In effect from
- Jul 7, 2021, 12:00 AM CDT
- Expired
- Jul 7, 2021, 7:00 PM CDT
- In force
- 19 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 04:17 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 00:00Z, 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
- 194 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 631 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- -42 m²/s²
- 0-3 km storm-relative helicity
- -37 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
993 WHUS44 KHGX 070416 CFWHGX Coastal Hazard Message National Weather Service Houston/Galveston TX 1116 PM CDT Tue Jul 6 2021 TXZ436>439-071230- /O.NEW.KHGX.RP.S.0040.210707T0500Z-210708T0000Z/ Matagorda Islands-Brazoria Islands-Galveston Island- Bolivar Peninsula- 1116 PM CDT Tue Jul 6 2021 ...HIGH RIP CURRENT RISK IN EFFECT THROUGH WEDNESDAY EVENING... * WHAT...Dangerous rip currents expected. * WHERE...Matagorda Islands, Brazoria Islands, Galveston Island and Bolivar Peninsula. * WHEN...Through Wednesday 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 |
|---|---|---|---|---|
| Jul 7, 6:53 AM CDT | Small Craft Advisory | HGX | 15 hr | |
| Jul 7, 7:37 AM CDT | Areal Flood Advisory | HGX | Jackson, Matagorda | 3 hr |
| Jul 7, 9:32 AM CDT | Areal Flood Advisory | HGX | Jackson | 73 min |
| Jul 7, 10:15 AM CDT | Areal Flood Advisory | HGX | Jackson, Matagorda | 3 hr |
| Jul 7, 10:40 AM CDT | Areal Flood Advisory | HGX | Jackson | 3 hr |
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.