Alert archive / Texas / Rip Current Statements in 2017
Rip Current Statement 21, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this rip current statement at Nov 2, 2017, 10:46 AM CDT for 4 counties in Texas. It was in force for 8 hr.
The area
The counties it named.
The facts
- Issued
- Nov 2, 2017, 10:46 AM CDT (15:46 UTC)
- Expired
- Nov 2, 2017, 7:00 PM CDT
- In force
- 8 hr
- Issued by
- NWS Houston/Galveston, TX
Counties Brazoria County, TX, Chambers County, TX, Galveston County, TX, Matagorda County, TX
The radar
The Houston radar (KHGX), 30 km from the middle of the area, began a volume at 15:48 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, 3.8 hours before the alert went out and 219 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
- 2051 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 525 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 103 m²/s²
- 0-3 km storm-relative helicity
- 139 m²/s²
- Significant tornado parameter
- 0.8
- Supercell composite
- 4.3
The text
As transmitted.
165
WHUS44 KHGX 021546
CFWHGX
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
1046 AM CDT THU NOV 2 2017
...STRONG RIP CURRENTS EXPECTED TODAY ALONG THE UPPER TEXAS COAST...
.MODERATE ONSHORE FLOW AND ELEVATED SEAS WILL CREATE AN ELEVATED
RIP CURRENT RISK TODAY.
TXZ214-236>238-030000-
/O.NEW.KHGX.RP.S.0021.171102T1546Z-171103T0000Z/
BRAZORIA-CHAMBERS-GALVESTON-MATAGORDA-
1046 AM CDT THU NOV 2 2017
...HIGH RIP CURRENT RISK IN EFFECT UNTIL 7 PM CDT THIS EVENING...
THE NATIONAL WEATHER SERVICE IN HOUSTON/GALVESTON HAS ISSUED A
HIGH RIP CURRENT RISK, WHICH IS IN EFFECT UNTIL 7 PM CDT THIS
EVENING.
* TIMING...THROUGH THIS EVENING.
* IMPACTS...STRONG RIP CURRENTS WILL CAUSE HAZARDOUS SWIMMING
CONDITIONS AT AREA BEACHES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THERE IS A HIGH RISK OF RIP CURRENTS. LIFE THREATENING RIP
CURRENTS ARE LIKELY IN THE SURF ZONE.
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.
&&
$$Nearby
Rip Current Statements in Texas, 2017Every rip current statement in 2017
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.