Alert archive / Texas / Rip Current Statements in 2016

Rip Current Statement 6, NWS Houston/Galveston, TX

November 7, 20164 counties in Texas

NWS Houston/Galveston, TX issued this rip current statement at Nov 7, 2016, 8:54 AM CST for 4 counties in Texas. It took effect at Nov 7, 2016, 9:00 AM CST. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Nov 7, 2016, 8:54 AM CST (14:54 UTC)
In effect from
Nov 7, 2016, 9:00 AM CST
Expired
Nov 7, 2016, 6:00 PM CST
In force
9 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 14:55 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, 2.9 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.

Skew-T log-pSkew-T log-p diagram, Lake Charles Mun, LA at 12:00Z on 2016-11-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lake Charles Mun, LA at 12:00Z on 2016-11-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 33 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
723 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
33 m²/s²
0-3 km storm-relative helicity
57 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

062 
WHUS44 KHGX 071454
CFWHGX

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
854 AM CST MON NOV 7 2016

...STRONG RIP CURRENTS ALONG GULF BEACHES TODAY...

.GUSTY EASTERLY WINDS HAVE PROMOTED THE DEVELOPMENT OF STRONG
RIP CURRENTS TODAY...REPORTED BY THE GALVESTON BEACH PATROL. THESE
CONDITIONS ARE EXPECTED UNTIL WINDS BECOME LIGHTER AND TURN MORE
NORTHEASTERLY TONIGHT. ADDITIONALLY...TIDE LEVELS ARE STILL
EXPECTED TO BE ELEVATED TODAY...BUT HAVE FALLEN LOW ENOUGH TO
ALLOW THE COASTAL FLOOD ADVISORY TO EXPIRE.

TXZ214-238-072300-
/O.EXP.KHGX.CF.Y.0007.000000T0000Z-161107T1500Z/
/O.NEW.KHGX.RP.S.0006.161107T1500Z-161108T0000Z/
CHAMBERS-GALVESTON-
854 AM CST MON NOV 7 2016

...HIGH RIP CURRENT RISK IN EFFECT UNTIL 6 PM CST THIS EVENING...
...COASTAL FLOOD ADVISORY WILL EXPIRE AT 9 AM CST THIS MORNING...

THE NATIONAL WEATHER SERVICE IN HOUSTON/GALVESTON HAS ISSUED A
HIGH RIP CURRENT RISK...WHICH IS IN EFFECT UNTIL 6 PM CST THIS
EVENING. 

* TIMING...THROUGH THIS EVENING.

* OTHER IMPACTS...HIGH RISK OF RIP CURRENTS ALONG AREA BEACHES 
  WHICH WOULD MAKE SWIMMING HAZARDOUS. 

* IMPACTS...INCREASING RISK OF RIP CURRENTS ALONG AREA 
  BEACHES WHICH WOULD MAKE SWIMMING HAZARDOUS...AND ELEVATED 
  TIDE LEVELS THAT COULD LEAD TO WATER AND DEBRIS ON LOW ROADS 
  THAT COULD IMPACT TRAVEL...ESPECIALLY NEAR THE HIGHWAY 87/124 
  INTERSECTION OF THE BOLIVAR PENINSULA A FEW HOURS BEFORE AND A 
  FEW HOURS AFTER HIGH TIDE.

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.

&&

$$

TXZ236-237-072300-
/O.NEW.KHGX.RP.S.0006.161107T1500Z-161108T0000Z/
BRAZORIA-MATAGORDA-
854 AM CST MON NOV 7 2016

...HIGH RIP CURRENT RISK IN EFFECT UNTIL 6 PM CST THIS EVENING...

THE NATIONAL WEATHER SERVICE IN HOUSTON/GALVESTON HAS ISSUED A
HIGH RIP CURRENT RISK...WHICH IS IN EFFECT UNTIL 6 PM CST THIS
EVENING. 

* TIMING...THROUGH THIS EVENING

* IMPACTS...INCREASING RISK OF RIP CURRENTS ALONG AREA 
  BEACHES WHICH WOULD MAKE SWIMMING HAZARDOUS...AND ELEVATED 
  TIDE LEVELS THAT COULD LEAD TO WATER AND DEBRIS ON LOW ROADS 
  THAT COULD IMPACT TRAVEL ON SUSCEPTIBLE ROADS VERY NEAR THE WATER.

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.

IssuedProductOfficeCountiesLasted
Nov 6, 6:26 PM CSTAreal Flood AdvisoryHGXBrazos, Grimes, Madison2 hr
Nov 6, 8:58 PM CSTAreal Flood AdvisoryHGXHarris62 min
Nov 6, 9:02 PM CSTSpecial Weather StatementHGXHarris43 min
Nov 6, 10:04 PM CSTSpecial Weather StatementHGXHarris56 min
Nov 6, 10:13 PM CSTAreal Flood AdvisoryHGXHarris62 min
Nov 6, 11:34 PM CSTSpecial Weather StatementHGXBrazoria, Chambers, Galveston, Liberty86 min
Nov 6, 11:48 PM CSTSmall Craft AdvisoryHGX3 hr
Nov 7, 12:05 AM CSTCoastal Flood AdvisoryHGXChambers, Galveston9 hr
Nov 7, 12:55 AM CSTAreal Flood AdvisoryHGXBrazoria, Chambers, Galveston, Harris, Liberty65 min
Nov 7, 1:57 AM CSTSpecial Marine WarningHGX33 min
Nov 7, 2:42 AM CSTSpecial Marine WarningHGX33 min

Nearby

Rip Current Statements in Texas, 2016Every rip current statement in 2016

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.