Alert archive / Texas / Coastal Flood Statements in 2021

Coastal Flood Statement 21, NWS Brownsville, TX

October 26, 2021Kenedy County, Texas

NWS Brownsville, TX issued this coastal flood statement at Oct 26, 2021, 11:47 PM CDT for Kenedy County, Texas. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued
Oct 26, 2021, 11:47 PM CDT (04:47 UTC)
Expired
Oct 27, 2021, 5:00 AM CDT
In force
5 hr
Issued by
NWS Brownsville, TX

County Kenedy County, TX

The radar

The Corpus Christi radar (KCRP), 96 km from the middle of the area, began a volume at 04:50 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, 4.8 hours before the alert went out and 94 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 2021-10-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1406 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 2021-10-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 61 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
1406 J/kg
Mixed-layer CIN
-50 J/kg
Mixed-layer LCL
845 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
61 m²/s²
0-3 km storm-relative helicity
68 m²/s²
Significant tornado parameter
0.5
Supercell composite
7.2

Open this sounding in Storm Lab

The text

As transmitted.

550 
WHUS44 KBRO 270447
CFWBRO

Coastal Hazard Message
National Weather Service Brownsville TX
1147 PM CDT Tue Oct 26 2021

TXZ256-257-351-271000-
/O.NEW.KBRO.CF.S.0021.211027T0447Z-211027T1000Z/
Coastal Willacy-Coastal Cameron-Coastal Kenedy-
1147 PM CDT Tue Oct 26 2021

...COASTAL FLOOD STATEMENT IN EFFECT UNTIL 5 AM CDT WEDNESDAY...

* WHAT...Isolated minor coastal flooding.

* WHERE...Coastal Kenedy, Coastal Cameron and Coastal Willacy 
  Counties.

* WHEN...Until 5 AM CDT Wednesday.

* IMPACTS...Wave run-up may approach the dunes along narrow 
  beaches. Beach equipment, such as umbrellas and chairs, could 
  be moved by waves. Vehicles driving along narrow beaches may 
  experience higher water levels. Elevated water levels may also 
  occur across the Laguna Madre and South Bay, and along State 
  Highway 4 west of Boca Chica State Park.

* ADDITIONAL DETAILS...Isolated minor coastal flooding will be 
  most likely around high tide, which will occur at 12:37 PM 
  tonight.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Do not drive through flooded roadways.

&&

$$
1 follow-up statement
952 
WHUS44 KBRO 270740
CFWBRO

Coastal Hazard Message
National Weather Service Brownsville TX
240 AM CDT Wed Oct 27 2021

TXZ256-257-351-271300-
/O.NEW.KBRO.RP.S.0054.211027T1200Z-211028T0600Z/
/O.CON.KBRO.CF.S.0021.000000T0000Z-211027T1000Z/
Coastal Willacy-Coastal Cameron-Coastal Kenedy-
240 AM CDT Wed Oct 27 2021

...COASTAL FLOOD STATEMENT REMAINS IN EFFECT UNTIL 5 AM CDT EARLY
THIS MORNING...
...HIGH RIP CURRENT RISK IN EFFECT FROM 7 AM CDT THIS MORNING
THROUGH LATE TONIGHT...

* WHAT...For the High Rip Current Risk, dangerous rip currents 
  expected. For the Coastal Flood Statement, isolated minor 
  coastal flooding.

* WHERE...Coastal Willacy, Coastal Cameron and Coastal Kenedy 
  Counties.

* WHEN...For the High Rip Current Risk, from 7 AM CDT this 
  morning through late tonight. For the Coastal Flood Statement, 
  until 5 AM CDT early this morning.

* IMPACTS...Wave run-up may approach the dunes along narrow 
  beaches. Beach equipment, such as umbrellas and chairs, could 
  be moved by waves. Vehicles driving along narrow beaches may 
  experience higher water levels. Elevated water levels may also 
  occur across the Laguna Madre and South Bay, and along State 
  Highway 4 west of Boca Chica State Park. Rip currents can 
  sweep even the best swimmers away from shore into deeper water.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Do not drive through flooded roadways.

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 Brownsville, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Oct 27, 2:40 AM CDTRip Current StatementBROKenedy22 hr
Oct 27, 2:45 AM CDTWind AdvisoryBROBrooks, Jim Hogg, Zapata13 hr
Oct 27, 3:19 PM CDTCoastal Flood StatementBROKenedy17 hr

Nearby

Coastal Flood Statements in Texas, 2021Every coastal flood statement in 2021

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.