Alert archive / Texas / Rip Current Statements in 2020

Rip Current Statement 18, NWS Corpus Christi, TX

November 23, 20204 counties in Texas

NWS Corpus Christi, TX issued this rip current statement at Nov 23, 2020, 4:47 AM CST for 4 counties in Texas. It took effect at Nov 23, 2020, 9:00 AM CST. It was in force for 11 hr.

The area

The counties it named.

The facts

Issued
Nov 23, 2020, 4:47 AM CST (10:47 UTC)
In effect from
Nov 23, 2020, 9:00 AM CST
Expired
Nov 23, 2020, 8:00 PM CST
In force
11 hr
Issued by
NWS Corpus Christi, TX

Counties Aransas County, TX, Calhoun County, TX, Kleberg County, TX, Nueces County, TX

The radar

The Corpus Christi radar (KCRP), 32 km from the middle of the area, began a volume at 10:47 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, 10.8 hours before the alert went out and 23 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 2020-11-23Temperature 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, Corpus Christi, TX at 00:00Z on 2020-11-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -49 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
1437 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
-49 m²/s²
0-3 km storm-relative helicity
-1 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

850 
WHUS44 KCRP 231047
CFWCRP

Coastal Hazard Message
National Weather Service Corpus Christi TX
447 AM CST Mon Nov 23 2020

TXZ345-442-443-447-231900-
/O.NEW.KCRP.RP.S.0018.201123T1500Z-201124T0200Z/
Aransas Islands-Kleberg Islands-Nueces Islands-Calhoun Islands-
447 AM CST Mon Nov 23 2020

...HIGH RIP CURRENT RISK IN EFFECT FROM 9 AM CST THIS MORNING
THROUGH THIS EVENING...

* WHAT...Dangerous rip currents expected.

* WHERE...Aransas Islands, Kleberg Islands, Nueces Islands and 
  Calhoun Islands Counties.

* WHEN...From 9 AM CST this morning through this evening.

* IMPACTS...Rip currents can sweep even the most experienced 
  swimmers away from shore into deeper water. These rip currents 
  can become life-threatening to anyone entering the surf.

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.

&&

$$

JCP
1 follow-up statement
124 
WHUS44 KCRP 232032
CFWCRP

Coastal Hazard Message
National Weather Service Corpus Christi TX
232 PM CST Mon Nov 23 2020

TXZ345-442-443-447-240200-
/O.CON.KCRP.RP.S.0018.000000T0000Z-201124T0200Z/
Aransas Islands-Kleberg Islands-Nueces Islands-Calhoun Islands-
232 PM CST Mon Nov 23 2020

...HIGH RIP CURRENT RISK REMAINS IN EFFECT UNTIL 8 PM CST THIS
EVENING...

* WHAT...Dangerous rip currents expected.

* WHERE...Islands Of Aransas, Kleberg, Nueces, and Calhoun 
  Counties.

* WHEN...Through early this evening.

* IMPACTS...Rip currents can sweep even the most experienced 
  swimmers away from shore into deeper water. These rip currents 
  can become life-threatening to anyone entering the surf.

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.

&&

$$

JCP/TMT

The office that day

Everything else NWS Corpus Christi, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Nov 23, 2:34 PM CSTSmall Craft AdvisoryCRP31 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.