Alert archive / Texas / Rip Current Statements in 2018
Rip Current Statement 29, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this rip current statement at Jul 20, 2018, 10:16 AM CDT for Brazoria County, Galveston County, Texas. It was in force for 10 hr.
The area
The counties it named.
The facts
- Issued
- Jul 20, 2018, 10:16 AM CDT (15:16 UTC)
- Expired
- Jul 20, 2018, 8:00 PM CDT
- In force
- 10 hr
- Issued by
- NWS Houston/Galveston, TX
Counties Brazoria County, TX, Galveston County, TX
The radar
The Houston radar (KHGX), 27 km from the middle of the area, began a volume at 15:14 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
Lake Charles Mun, LA (KLCH), launched 12:00Z, 3.3 hours before the alert went out and 210 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
- 1289 J/kg
- Mixed-layer CIN
- -193 J/kg
- Mixed-layer LCL
- 1025 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- -37 m²/s²
- 0-3 km storm-relative helicity
- -4 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
317
WHUS44 KHGX 201516
CFWHGX
Coastal Hazard Message
National Weather Service Houston/Galveston TX
1016 AM CDT Fri Jul 20 2018
...HIGH RIP CURRENT RISK IN EFFECT UNTIL 8 PM CDT THIS EVENING...
.There is high risk of rip currents until 8 PM CDT this evening.
TXZ437-438-210100-
/O.NEW.KHGX.RP.S.0029.180720T1516Z-180721T0100Z/
Brazoria Islands-Galveston Island and Bolivar Peninsula-
1016 AM CDT Fri Jul 20 2018
...HIGH RIP CURRENT RISK IN EFFECT UNTIL 8 PM CDT THIS EVENING...
The National Weather Service in Houston/Galveston has issued a
High Rip Current Risk, which is in effect until 8 PM CDT this
evening.
* TIMING...Today
* IMPACTS...Life threatening rip currents are likely in the surf zone.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Rip currents are powerful channels of water flowing quickly away from
shore...which occur most often at low spots or breaks in the sandbar
and in the vicinity of structures such as groins...jetties and piers.
Heed the advice of lifeguards...beach patrol...flags and signs.
Swim near a lifeguard.
If you become caught in a rip current...yell for help. Remain calm...
do not exhaust yourself and stay afloat while waiting for help. If
you have to swim out of a rip current...swim parallel to shore and
back toward the beach when possible. Do not attempt to swim directly
against a rip current as you will tire quickly.
&&
$$The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 20, 4:27 AM CDT | Heat Advisory | HGX | Austin, Brazoria, Brazos, Burleson, Chambers, Fort Bend and 13 more | 16 hr |
| Jul 20, 3:09 PM CDT | Heat Advisory | HGX | Austin, Brazoria, Brazos, Burleson, Chambers, Colorado and 17 more | 29 hr |
Nearby
Rip Current Statements in Texas, 2018Every rip current statement in 2018
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.