Alert archive / Texas / Coastal Flood Statements in 2021

Coastal Flood Statement 2, NWS Brownsville, TX

April 3, 2021Kenedy County, Texas

NWS Brownsville, TX issued this coastal flood statement at Apr 3, 2021, 3:42 AM CDT for Kenedy County, Texas. It took effect at Apr 3, 2021, 9:00 AM CDT. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
Apr 3, 2021, 3:42 AM CDT (08:42 UTC)
In effect from
Apr 3, 2021, 9:00 AM CDT
Expired
Apr 3, 2021, 3:00 PM CDT
In force
6 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 08:41 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, 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 00:00Z on 2021-04-03Temperature 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 2021-04-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 27 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
1166 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
27 m²/s²
0-3 km storm-relative helicity
175 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

323 
WHUS44 KBRO 030842
CFWBRO

Coastal Hazard Message
National Weather Service Brownsville TX
342 AM CDT Sat Apr 3 2021

TXZ256-257-351-032000-
/O.NEW.KBRO.CF.S.0002.210403T1400Z-210403T2000Z/
Coastal Willacy-Coastal Cameron-Coastal Kenedy-
342 AM CDT Sat Apr 3 2021

...COASTAL FLOOD STATEMENT IN EFFECT FROM 9 AM TO 3 PM TODAY... 

* WHAT...Isolated minor coastal flooding expected.

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

* WHEN...From 9 AM this morning to 3 PM CDT this afternoon.

* 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...Coastal flooding will be most likely around
  high tide, which will occur at 12:23 PM this afternoon. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Do not drive through flooded roadways.

&&

$$
1 follow-up statement
972 
WHUS44 KBRO 032004
CFWBRO

Coastal Hazard Message
National Weather Service Brownsville TX
304 PM CDT Sat Apr 3 2021

TXZ256-257-351-032115-
/O.EXP.KBRO.CF.S.0002.000000T0000Z-210403T2000Z/
Coastal Willacy-Coastal Cameron-Coastal Kenedy-
304 PM CDT Sat Apr 3 2021

...COASTAL FLOOD STATEMENT HAS EXPIRED...

Water levels along the local beaches are beginning to fall after
high tide, so will let the Coastal Flood Statement expire.

$$

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.