Alert archive / Texas / Coastal Flood Statements in 2021

Coastal Flood Statement 25, NWS Brownsville, TX

November 6, 2021Kenedy County, Texas

NWS Brownsville, TX issued this coastal flood statement at Nov 6, 2021, 3:42 PM CDT for Kenedy County, Texas. It took effect at Nov 6, 2021, 6:00 PM CDT. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Nov 6, 2021, 3:42 PM CDT (20:42 UTC)
In effect from
Nov 6, 2021, 6:00 PM CDT
Expired
Nov 6, 2021, 10:00 PM CDT
In force
4 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 20:46 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, 8.7 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 12:00Z on 2021-11-06Temperature 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 12:00Z on 2021-11-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 50 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
1098 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
50 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.

538 
WHUS44 KBRO 062042
CFWBRO

Coastal Hazard Message
National Weather Service Brownsville TX
342 PM CDT Sat Nov 6 2021

TXZ256-257-351-070300-
/O.NEW.KBRO.CF.S.0025.211106T2300Z-211107T0300Z/
Coastal Willacy-Coastal Cameron-Coastal Kenedy-
342 PM CDT Sat Nov 6 2021

...COASTAL FLOOD STATEMENT IN EFFECT UNTIL 10 PM CDT THIS
EVENING...

* WHAT...Isolated minor coastal flooding expected.

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

* WHEN...Until 10 PM CDT this evening.

* 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.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Do not drive through flooded roadways.

&&

$$

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.