Alert archive / Texas / Rip Current Statements in 2020

Rip Current Statement 17, NWS Houston/Galveston, TX

May 24, 2020Brazoria County, Galveston County, Matagorda County, Texas

NWS Houston/Galveston, TX issued this rip current statement at May 24, 2020, 3:16 AM CDT for Brazoria County, Galveston County, Matagorda County, Texas. It was in force for 21 hr.

The area

The counties it named.

The facts

Issued
May 24, 2020, 3:16 AM CDT (08:16 UTC)
Expired
May 25, 2020, 12:00 AM CDT
In force
21 hr
Issued by
NWS Houston/Galveston, TX

Counties Brazoria County, TX, Galveston County, TX, Matagorda County, TX

The radar

The Houston radar (KHGX), 54 km from the middle of the area, began a volume at 08:16 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

Corpus Christi, TX (KCRP), launched 00:00Z, 8.3 hours before the alert went out and 241 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, Corpus Christi, TX at 00:00Z on 2020-05-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2505 joules per kilogram.LCLLFCEL10008507005003002001001 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, Corpus Christi, TX at 00:00Z on 2020-05-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -17 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
2505 J/kg
Mixed-layer CIN
-35 J/kg
Mixed-layer LCL
890 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
-17 m²/s²
0-3 km storm-relative helicity
43 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

658 
WHUS44 KHGX 240816
CFWHGX

Coastal Hazard Message
National Weather Service Houston/Galveston TX
316 AM CDT Sun May 24 2020

TXZ436>438-241630-
/O.NEW.KHGX.RP.S.0017.200524T0816Z-200525T0500Z/
Matagorda Islands-Brazoria Islands-
Galveston Island and Bolivar Peninsula-
316 AM CDT Sun May 24 2020

...HIGH RIP CURRENT RISK IN EFFECT THROUGH THIS EVENING...

* WHAT...Dangerous rip currents, particularly on Gulf-facing beaches.

* WHERE...Matagorda Islands, Brazoria Islands and Galveston 
  Island and Bolivar Peninsula Counties.

* WHEN...Through this evening.

* IMPACTS...Rip currents can sweep even the best swimmers away 
  from shore into deeper water.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Swim near a lifeguard. If caught in a rip current, relax and
float. Don't swim against the current. If able, swim in a
direction following the shoreline. If unable to escape, face the
shore and call or wave for help.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 24, 1:11 PM CDTSpecial Weather StatementHGXBrazos, Grimes, Madison, Montgomery, Walker64 min
May 24, 1:29 PM CDTAreal Flood AdvisoryHGXBrazos, Grimes, Madison2 hr
May 24, 2:09 PM CDTSpecial Weather StatementHGXMontgomery66 min
May 24, 2:13 PM CDTSpecial Weather StatementHGXBrazos62 min
May 24, 2:31 PM CDTSpecial Weather StatementHGXHouston, Trinity59 min
May 24, 2:36 PM CDTSpecial Weather StatementHGXAustin, Washington54 min
May 24, 2:40 PM CDTSpecial Weather StatementHGXPolk, San Jacinto65 min
May 24, 3:39 PM CDTSpecial Weather StatementHGXGrimes51 min
May 24, 3:42 PM CDTSpecial Weather StatementHGXHouston, Trinity48 min
May 24, 3:55 PM CDTAreal Flood AdvisoryHGXGrimes, Waller, Washington110 min
May 24, 4:23 PM CDTSpecial Weather StatementHGXMontgomery37 min
May 24, 4:30 PM CDTTornado WarningHGXHarris, Montgomery, Waller30 min
May 24, 4:40 PM CDTSpecial Weather StatementHGXAustin50 min
May 24, 4:57 PM CDTSevere Thunderstorm WarningHGXAustin, Waller, Washington33 min
May 24, 5:15 PM CDTAreal Flood AdvisoryHGXHarris, Montgomery, Waller60 min
May 24, 5:22 PM CDTAreal Flood AdvisoryHGXAustin, Colorado, Washington53 min
May 24, 5:56 PM CDTAreal Flood AdvisoryHGXHarris, Montgomery2 hr
May 24, 6:03 PM CDTAreal Flood AdvisoryHGXHarris, Liberty, Montgomery117 min
May 24, 6:24 PM CDTAreal Flood AdvisoryHGXAustin, Fort Bend, Harris, Liberty, Waller111 min

Nearby

Rip Current Statements in Texas, 2020Every rip current statement in 2020

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.