Alert archive / Texas / Rip Current Statements in 2020

Rip Current Statement 28, NWS Houston/Galveston, TX

June 30, 2020Brazoria County, Galveston County, Matagorda County, Texas

NWS Houston/Galveston, TX issued this rip current statement at Jun 30, 2020, 12:28 PM CDT for Brazoria County, Galveston County, Matagorda County, Texas. It was in force for 43 hr.

The area

The counties it named.

The facts

Issued
Jun 30, 2020, 12:28 PM CDT (17:28 UTC)
Expired
Jul 2, 2020, 7:00 AM CDT
In force
43 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 17:31 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, 5.5 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 12:00Z on 2020-06-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2381 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 12:00Z on 2020-06-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -57 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
2381 J/kg
Mixed-layer CIN
-49 J/kg
Mixed-layer LCL
574 m above ground
0-6 km bulk shear
7 kt
0-1 km storm-relative helicity
-57 m²/s²
0-3 km storm-relative helicity
3 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

223 
WHUS44 KHGX 301728
CFWHGX

Coastal Hazard Message
National Weather Service Houston/Galveston TX
1228 PM CDT Tue Jun 30 2020

TXZ436>438-010130-
/O.NEW.KHGX.RP.S.0028.200630T1728Z-200702T0000Z/
Matagorda Islands-Brazoria Islands-
Galveston Island and Bolivar Peninsula-
1228 PM CDT Tue Jun 30 2020

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

* WHAT...Dangerous rip currents.

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

* WHEN...Through Wednesday 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.

&&

$$
4 follow-up statements
965 
WHUS44 KHGX 302031
CFWHGX

Coastal Hazard Message
National Weather Service Houston/Galveston TX
331 PM CDT Tue Jun 30 2020

TXZ436>438-010445-
/O.CON.KHGX.RP.S.0028.000000T0000Z-200702T0000Z/
Matagorda Islands-Brazoria Islands-
Galveston Island and Bolivar Peninsula-
331 PM CDT Tue Jun 30 2020

...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH WEDNESDAY
EVENING...

* WHAT...Dangerous rip currents.

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

* WHEN...Through Wednesday 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.

&&

$$
047 
WHUS44 KHGX 010735
CFWHGX

Coastal Hazard Message
National Weather Service Houston/Galveston TX
235 AM CDT Wed Jul 1 2020

TXZ436>438-011545-
/O.CON.KHGX.RP.S.0028.000000T0000Z-200702T0000Z/
Matagorda Islands-Brazoria Islands-
Galveston Island and Bolivar Peninsula-
235 AM CDT Wed Jul 1 2020

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

* WHAT...Dangerous rip currents.

* WHERE...Gulf-facing beaches in Matagorda and Brazoria counties, 
  Galveston Island, and the Bolivar Peninsula.

* WHEN...Through Wednesday 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.

&&

$$
376 
WHUS44 KHGX 011522
CFWHGX

Coastal Hazard Message
National Weather Service Houston/Galveston TX
1022 AM CDT Wed Jul 1 2020

TXZ436>438-012330-
/O.CON.KHGX.RP.S.0028.000000T0000Z-200702T0000Z/
Matagorda Islands-Brazoria Islands-
Galveston Island and Bolivar Peninsula-
1022 AM CDT Wed Jul 1 2020

...HIGH RIP CURRENT RISK REMAINS IN EFFECT UNTIL 7 PM CDT THIS
EVENING...

* WHAT...Dangerous rip currents.

* WHERE...Gulf-facing beaches in Matagorda and Brazoria 
  counties, Galveston Island, and the Bolivar Peninsula.

* WHEN...Through Wednesday 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.

&&

$$
404 
WHUS44 KHGX 012000
CFWHGX

Coastal Hazard Message
National Weather Service Houston/Galveston TX
300 PM CDT Wed Jul 1 2020

TXZ436>438-020400-
/O.EXT.KHGX.RP.S.0028.000000T0000Z-200702T1200Z/
Matagorda Islands-Brazoria Islands-
Galveston Island and Bolivar Peninsula-
300 PM CDT Wed Jul 1 2020

...HIGH RIP CURRENT RISK NOW IN EFFECT THROUGH THURSDAY MORNING...

* WHAT...Dangerous rip currents.

* WHERE...Gulf-facing beaches in Matagorda and Brazoria 
  counties, Galveston Island, and the Bolivar Peninsula.

* WHEN...Through Thursday morning.

* 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
Jun 30, 9:42 AM CDTSmall Craft AdvisoryHGX4 hr

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.