Alert archive / Texas / Rip Current Statements in 2017
Rip Current Statement 12, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this rip current statement at Aug 10, 2017, 3:03 PM CDT for 4 counties in Texas. It was in force for 30 hr.
The area
The counties it named.
The facts
- Issued
- Aug 10, 2017, 3:03 PM CDT (20:03 UTC)
- Expired
- Aug 11, 2017, 9:00 PM CDT
- In force
- 30 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 20:07 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, 8.1 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
- 2579 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 646 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 74 m²/s²
- 0-3 km storm-relative helicity
- 123 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
544
WHUS44 KHGX 102003
CFWHGX
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
303 PM CDT THU AUG 10 2017
...COASTAL FLOODING AND HIGH RISK OF RIP CURRENTS FOR
UPPER TEXAS COAST TONIGHT...
.LONG PERIOD SWELLS GENERATED BY FRANKLIN TRAVERSING THE WESTERN
GULF OF MEXICO WATERS WILL CONTINUE TO IMPACT THE TEXAS COAST THROUGH
TONIGHT. THESE SWELLS WILL HELP TO GENERATE STRONG AND DANGEROUS
RIP CURRENTS ALONG THE GULF FACING BEACHES AND ALLOW STRONGER
WAVE RUN-UP WITH WATER REACHING THE DUNES.
TXZ214-236>238-110415-
/O.NEW.KHGX.CF.Y.0008.170810T2003Z-170811T1000Z/
/O.NEW.KHGX.RP.S.0012.170810T2003Z-170811T1000Z/
BRAZORIA-CHAMBERS-GALVESTON-MATAGORDA-
303 PM CDT THU AUG 10 2017
...COASTAL FLOOD ADVISORY IN EFFECT UNTIL 5 AM CDT FRIDAY...
...HIGH RIP CURRENT RISK IN EFFECT THROUGH LATE TONIGHT...
THE NATIONAL WEATHER SERVICE IN HOUSTON/GALVESTON HAS ISSUED A
COASTAL FLOOD ADVISORY, WHICH IS IN EFFECT UNTIL 5 AM CDT FRIDAY.
A HIGH RIP CURRENT RISK HAS ALSO BEEN ISSUED. THIS HIGH RIP
CURRENT RISK IS IN EFFECT THROUGH LATE TONIGHT.
* COASTAL FLOODING...PRIMARILY ALONG THE GULF FACING BEACHES.
* TIMING...THROUGH TONIGHT.
* IMPACTS...WAVE RUN UP INTO THE DUNES RESULTING IN LIMITED TO
IMPOSSIBLE BEACH DRIVING CONDITIONS IS EXPECTED TODAY AND TONIGHT.
STRONG AND POTENTIALLY LIFE THREATENING RIP CURRENTS ARE ALSO
EXPECTED ALONG GULF FACING BEACHES OF THE UPPER TEXAS COAST.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A COASTAL FLOOD ADVISORY INDICATES THAT ONSHORE WINDS AND TIDES
WILL COMBINE TO GENERATE FLOODING OF LOW AREAS ALONG THE SHORE.
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.
&&
$$3 follow-up statements
172 WHUS44 KHGX 110845 CFWHGX COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 345 AM CDT FRI AUG 11 2017 ...COASTAL FLOODING AND HIGH RISK OF RIP CURRENTS FOR UPPER TEXAS COAST TONIGHT... .LONG PERIODS SWELLS ARE EXPECTED TO SLOWLY DIMINISH THIS MORNING. THE SWELLS WILL HELP GENERATE STRONG AND DANGEROUS RIP CURRENTS ALONG THE GULF-FACING BEACHES AND ALLOW STRONGER WAVE RUN-UP TO HELP WATER REACH THE DUNES. TXZ214-236>238-111215- /O.EXT.KHGX.CF.Y.0008.000000T0000Z-170811T1200Z/ /O.EXT.KHGX.RP.S.0012.000000T0000Z-170811T2100Z/ BRAZORIA-CHAMBERS-GALVESTON-MATAGORDA- 345 AM CDT FRI AUG 11 2017 ...COASTAL FLOOD ADVISORY NOW IN EFFECT UNTIL 7 AM CDT THIS MORNING... ...HIGH RIP CURRENT RISK NOW IN EFFECT THROUGH THIS AFTERNOON... * COASTAL FLOODING...PRIMARILY ALONG THE GULF-FACING BEACHES. * TIMING...THROUGH EARLY THIS MORNING. * IMPACTS...WAVE RUN-UP INTO THE DUNES RESULTING IN LIMITED TO IMPOSSIBLE BEACH DRIVING CONDITIONS. STRONG AND POTENTIALLY LIFE THREATENING RIP CURRENTS ARE ALSO EXPECTED ALONG GULF-FACING BEACHES OF THE UPPER TEXAS COAST. PRECAUTIONARY/PREPAREDNESS ACTIONS... A COASTAL FLOOD ADVISORY INDICATES THAT ONSHORE WINDS AND TIDES WILL COMBINE TO GENERATE FLOODING OF LOW AREAS ALONG THE SHORE. THERE IS A HIGH RISK OF RIP CURRENTS. LIFE THREATENING RIP CURRENTS ARE LIKELY IN THE SURF ZONE. RIP CURRENTS ARE POWERFUL CHANNELS OF WATER FLOWING QUICKLY AWAY FROM SHORE...WHICH OCCUR MOST OFTEN AT LOW SPOTS OR BREAKS IN THE SANDBAR AND IN THE VICINITY OF STRUCTURES SUCH AS GROINS... JETTIES AND PIERS. HEED THE ADVICE OF LIFEGUARDS...BEACH PATROL... FLAGS AND SIGNS. SWIM NEAR A LIFEGUARD. IF YOU BECOME CAUGHT IN A RIP CURRENT...YELL FOR HELP. REMAIN CALM...DO NOT EXHAUST YOURSELF AND STAY AFLOAT WHILE WAITING FOR HELP. IF YOU HAVE TO SWIM OUT OF A RIP CURRENT...SWIM PARALLEL TO SHORE AND BACK TOWARD THE BEACH WHEN POSSIBLE. DO NOT ATTEMPT TO SWIM DIRECTLY AGAINST A RIP CURRENT AS YOU WILL TIRE QUICKLY. && $$
936 WHUS44 KHGX 112041 CFWHGX COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX ISSUED BY NATIONAL WEATHER SERVICE CORPUS CHRISTI TX 341 PM CDT FRI AUG 11 2017 ...HIGH RISK OF RIP CURRENTS FOR UPPER TEXAS COAST THROUGH EARLY THIS EVENING... .LINGERING LONG PERIOD SWELLS AND ELEVATED SWELL HEIGHTS WILL CONTINUE TO HELP GENERATE STRONG AND DANGEROUS RIP CURRENTS ALONG THE GULF FACING BEACHES THROUGH EARLY THIS EVENING. TXZ214-236>238-120000- /O.EXT.KHGX.RP.S.0012.000000T0000Z-170812T0000Z/ BRAZORIA-CHAMBERS-GALVESTON-MATAGORDA- 341 PM CDT FRI AUG 11 2017 ...HIGH RIP CURRENT RISK NOW IN EFFECT UNTIL 7 PM CDT THIS EVENING... * TIMING...THROUGH EARLY THIS EVENING. * IMPACTS...STRONG AND POTENTIALLY LIFE THREATENING RIP CURRENTS ARE EXPECTED ALONG GULF-FACING BEACHES OF THE UPPER TEXAS COAST. 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. && $$ LB
257 WHUS44 KHGX 112351 CFWHGX COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 651 PM CDT FRI AUG 11 2017 ...HIGH RISK OF RIP CURRENTS FOR UPPER TEXAS COAST THROUGH EARLY THIS EVENING... .LINGERING LONG PERIOD SWELLS AND ELEVATED SWELL HEIGHTS WILL CONTINUE TO HELP GENERATE STRONG AND DANGEROUS RIP CURRENTS ALONG THE GULF FACING BEACHES THROUGH EARLY THIS EVENING. TXZ214-236>238-120200- /O.EXT.KHGX.RP.S.0012.000000T0000Z-170812T0200Z/ BRAZORIA-CHAMBERS-GALVESTON-MATAGORDA- 651 PM CDT FRI AUG 11 2017 ...HIGH RIP CURRENT RISK NOW IN EFFECT UNTIL 9 PM CDT THIS EVENING... * TIMING...THROUGH EARLY THIS EVENING. * IMPACTS...STRONG AND POTENTIALLY LIFE THREATENING RIP CURRENTS ARE EXPECTED ALONG GULF-FACING BEACHES OF THE UPPER TEXAS COAST. PRECAUTIONARY/PREPAREDNESS ACTIONS... THERE IS A HIGH RISK OF RIP CURRENTS. LIFE THREATENING RIP CURRENTS ARE LIKELY IN THE SURF ZONE. RIP CURRENTS ARE POWERFUL CHANNELS OF WATER FLOWING QUICKLY AWAY FROM SHORE...WHICH OCCUR MOST OFTEN AT LOW SPOTS OR BREAKS IN THE SANDBAR AND IN THE VICINITY OF STRUCTURES SUCH AS GROINS... JETTIES AND PIERS. HEED THE ADVICE OF LIFEGUARDS...BEACH PATROL... FLAGS AND SIGNS. SWIM NEAR A LIFEGUARD. IF YOU BECOME CAUGHT IN A RIP CURRENT...YELL FOR HELP. REMAIN CALM...DO NOT EXHAUST YOURSELF AND STAY AFLOAT WHILE WAITING FOR HELP. IF YOU HAVE TO SWIM OUT OF A RIP CURRENT...SWIM PARALLEL TO SHORE AND BACK TOWARD THE BEACH WHEN POSSIBLE. DO NOT ATTEMPT TO SWIM DIRECTLY AGAINST A RIP CURRENT AS YOU WILL TIRE QUICKLY. && $$
The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 10, 7:43 AM CDT | Small Craft Advisory for Hazardous Seas | HGX | 23 hr | |
| Aug 10, 3:03 PM CDT | Coastal Flood Advisory | HGX | Brazoria, Chambers, Galveston, Matagorda | 16 hr |
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.