Alert archive / Texas / Rip Current Statements in 2020

Rip Current Statement 18, NWS Houston/Galveston, TX

May 25, 2020Brazoria County, Galveston County, Matagorda County, Texas

NWS Houston/Galveston, TX issued this rip current statement at May 25, 2020, 3:47 PM CDT for Brazoria County, Galveston County, Matagorda County, Texas. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued: May 25, 2020, 3:47 PM CDT (20:47 UTC)
Expired: May 26, 2020, 12:00 AM CDT
In force: 8 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 20:48 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

Corpus Christi, TX (KCRP), launched 12:00Z, 8.8 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1246 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: -90 m²/s²
0-3 km storm-relative helicity: 147 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

As transmitted.

695 
WHUS44 KHGX 252047
CFWHGX

Coastal Hazard Message
National Weather Service Houston/Galveston TX
347 PM CDT Mon May 25 2020

TXZ436>438-260500-
/O.NEW.KHGX.RP.S.0018.200525T2047Z-200526T0500Z/
Matagorda Islands-Brazoria Islands-
Galveston Island and Bolivar Peninsula-
347 PM CDT Mon May 25 2020

...HIGH RIP CURRENT RISK IN EFFECT UNTIL MIDNIGHT CDT TONIGHT...

* WHAT...Dangerous rip currents.

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

* WHEN...Until midnight CDT tonight.

* 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.

Issued	Product	Office	Counties	Lasted
May 24, 7:12 PM CDT	Areal Flood Advisory	HGX	Chambers, Harris, Liberty	2 hr
May 24, 7:28 PM CDT	Areal Flood Advisory	HGX	Brazoria, Chambers, Fort Bend, Harris	2 hr
May 24, 8:10 PM CDT	Flash Flood Warning	HGX	Harris	65 min
May 24, 8:29 PM CDT	Special Marine Warning	HGX		91 min
May 24, 8:50 PM CDT	Areal Flood Advisory	HGX	Brazoria, Galveston, Harris	90 min
May 24, 10:47 PM CDT	Small Craft Advisory	HGX		8 hr
May 25, 12:35 AM CDT	Special Marine Warning	HGX		115 min
May 25, 12:48 AM CDT	Special Weather Statement	HGX	Colorado, Jackson	42 min
May 25, 1:19 AM CDT	Special Weather Statement	HGX	Matagorda	41 min
May 25, 1:34 AM CDT	Special Weather Statement	HGX	Wharton	41 min
May 25, 2:05 AM CDT	Special Marine Warning	HGX		25 min
May 25, 2:05 AM CDT	Special Weather Statement	HGX	Matagorda	40 min
May 25, 2:27 AM CDT	Special Marine Warning	HGX		2 hr
May 25, 2:36 AM CDT	Special Weather Statement	HGX	Wharton	24 min
May 25, 2:50 AM CDT	Special Weather Statement	HGX	Matagorda	10 min
May 25, 2:59 AM CDT	Special Weather Statement	HGX	Brazoria	31 min
May 25, 3:35 AM CDT	Special Weather Statement	HGX	Brazoria	25 min
May 25, 3:53 AM CDT	Special Marine Warning	HGX		67 min
May 25, 4:03 AM CDT	Special Weather Statement	HGX	Brazoria	27 min
May 25, 4:16 AM CDT	Severe Thunderstorm Warning	HGX	Brazoria, Galveston, Harris	18 min
May 25, 4:23 AM CDT	Special Marine Warning	HGX		67 min
May 25, 6:14 AM CDT	River Flood Warning	HGX	Polk, San Jacinto, Trinity, Walker	18 hr
May 25, 3:34 PM CDT	Small Craft Advisory	HGX		18 hr

Nearby

Rip Current Statements in Texas, 2020 Every 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.