Alert archive / Texas / Beach Hazards Statements in 2017

Beach Hazards Statement 4, NWS Houston/Galveston, TX

May 17, 2017Brazoria County, Chambers County, Galveston County, Texas

NWS Houston/Galveston, TX issued this beach hazards statement at May 17, 2017, 4:14 AM CDT for Brazoria County, Chambers County, Galveston County, Texas. It was in force for 13 hr.

The area

The counties it named.

The facts

Issued
May 17, 2017, 4:14 AM CDT (09:14 UTC)
Expired
May 17, 2017, 5:00 PM CDT
In force
13 hr
Issued by
NWS Houston/Galveston, TX

Counties Brazoria County, TX, Chambers County, TX, Galveston County, TX

The radar

The Houston radar (KHGX), 14 km from the middle of the area, began a volume at 09:17 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

Lake Charles Mun, LA (KLCH), launched 00:00Z, 9.2 hours before the alert went out and 189 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 00:00Z on 2017-05-17Temperature 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 00:00Z on 2017-05-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 4 square meters per square second.19395878Sfc1 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
1161 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
4 m²/s²
0-3 km storm-relative helicity
91 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

154 
WHUS44 KHGX 170914
CFWHGX

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
414 AM CDT WED MAY 17 2017

...HIGH RIP CURRENT RISK AND ELEVATED TIDES...

.STRONG ONSHORE WINDS HAVE CAUSED AN INCREASE IN WATER LEVELS 
AND SURF ALONG AREA BEACHES. THE COMBINATION OF THE TWO WILL 
PRODUCE A HIGH RIP CURRENT RISK. SWIM NEAR A LIFEGUARD AND AWAY 
FROM STRUCTURES SUCH AS JETTIES AND PIERS. WAVE RUN UP MAY ALSO
PUSH WATER TO THE HIGHWAY 87 AND 124 INTERSECTION ON THE BOLIVAR
PENINSULA AROUND THE TIME OF HIGH TIDE THIS MORNING WHICH OCCURS 
AT 1018 AM.

TXZ214-237-238-171800-
/O.NEW.KHGX.BH.S.0004.170517T0914Z-170517T1800Z/
BRAZORIA-CHAMBERS-GALVESTON-
414 AM CDT WED MAY 17 2017

...BEACH HAZARDS STATEMENT IN EFFECT UNTIL 1 PM CDT THIS
AFTERNOON...

THE NATIONAL WEATHER SERVICE IN HOUSTON/GALVESTON HAS ISSUED A
BEACH HAZARDS STATEMENT FOR ELEVATED TIDES, SURF AND A HIGH RIP 
CURRENT RISK, WHICH IS IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON. 

* HAZARDS...STRONG RIP CURRENTS, ELEVATED TIDE LEVELS AND SURF.

* TIMING...THROUGH EARLY AFTERNOON.

* LOCATION...UPPER TEXAS COASTLINE.

* POTENTIAL IMPACTS...HAZARDOUS SWIMMING CONDITIONS AT AREA
  BEACHES. WATER MAY APPROACH THE HIGHWAY 87 AND 124 INTERSECTION
  AROUND HIGH TIDE LATER THIS MORNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BEACH HAZARDS STATEMENT IS ISSUED WHEN THREATS SUCH AS RIP
CURRENTS...LONGSHORE CURRENTS...SNEAKER WAVES AND OTHER HAZARDS
CREATE LIFE-THREATENING CONDITIONS IN THE SURF ZONE. CAUTION
SHOULD BE USED WHEN IN OR NEAR THE WATER.

&&

$$
1 follow-up statement
880 
WHUS44 KHGX 171445
CFWHGX

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
945 AM CDT WED MAY 17 2017

...HIGH RIP CURRENT RISK AND ELEVATED TIDES...

.STRONG ONSHORE WINDS HAVE CAUSED AN INCREASE IN WATER LEVELS AND
SURF ALONG AREA BEACHES. THE COMBINATION OF THE TWO WILL PRODUCE
A HIGH RIP CURRENT RISK. SWIM NEAR A LIFEGUARD AND AWAY FROM
STRUCTURES SUCH AS JETTIES AND PIERS. WAVE RUN UP MAY ALSO PUSH
WATER TO THE HIGHWAY 87 AND 124 INTERSECTION ON THE BOLIVAR
PENINSULA AROUND THE TIME OF HIGH TIDE EARLY THIS AFTERNOON.

TXZ214-237-238-172200-
/O.EXT.KHGX.BH.S.0004.000000T0000Z-170517T2200Z/
BRAZORIA-CHAMBERS-GALVESTON-
945 AM CDT WED MAY 17 2017

...BEACH HAZARDS STATEMENT NOW IN EFFECT UNTIL 5 PM CDT THIS
AFTERNOON...

* HAZARDS...STRONG RIP CURRENTS, ELEVATED TIDE LEVELS AND SURF.

* TIMING...THROUGH MID AFTERNOON GRADUALLY IMPROVING IN THE LATE AFTERNOON HOURS. 

* LOCATION...UPPER TEXAS COASTLINE.

* POTENTIAL IMPACTS...HAZARDOUS SWIMMING CONDITIONS AT AREA 
  BEACHES. WATER MAY APPROACH THE HIGHWAY 87 AND 124 
  INTERSECTION AROUND HIGH TIDE EARLY THIS AFTERNOON. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BEACH HAZARDS STATEMENT IS ISSUED WHEN THREATS SUCH AS RIP
CURRENTS...LONGSHORE CURRENTS...SNEAKER WAVES AND OTHER HAZARDS
CREATE LIFE-THREATENING CONDITIONS IN THE SURF ZONE. CAUTION
SHOULD BE USED WHEN IN OR NEAR THE WATER.

&&

$$

The office that day

Everything else NWS Houston/Galveston, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 17, 2:56 AM CDTWind AdvisoryHGXBrazoria, Chambers, Galveston, Jackson, Matagorda5 hr
May 17, 3:15 PM CDTSmall Craft Advisory for Hazardous SeasHGX7 hr

Nearby

Beach Hazards Statements in Texas, 2017Every beach hazards 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.