Alert archive / Texas / Special Weather Statements in 2020

Special Weather Statement, NWS Brownsville, TX

October 23, 2020Brooks County, Jim Hogg County, Texas

NWS Brownsville, TX issued this special weather statement at Oct 23, 2020, 10:50 PM CDT for Brooks County, Jim Hogg County, Texas. It was in force for 85 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Oct 23, 2020, 10:50 PM CDT (03:50 UTC)
Expired
Oct 24, 2020, 12:15 AM CDT
In force
85 min
Issued by
NWS Brownsville, TX

Counties Brooks County, TX, Jim Hogg County, TX

The radar

The Corpus Christi radar (KCRP), 94 km from the middle of the area, began a volume at 03:54 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, 3.8 hours before the alert went out and 103 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 2020-10-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1939 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 2020-10-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -24 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
1939 J/kg
Mixed-layer CIN
-49 J/kg
Mixed-layer LCL
1187 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
-24 m²/s²
0-3 km storm-relative helicity
10 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-0.4

Open this sounding in Storm Lab

The text

As transmitted.

165 
WWUS84 KBRO 240350
SPSBRO

Special Weather Statement
National Weather Service Brownsville TX
1050 PM CDT Fri Oct 23 2020
 
TXZ248>251-351-240515-
Brooks TX-Jim Hogg TX-Zapata TX-Coastal Kenedy TX-Inland Kenedy TX-
1050 PM CDT Fri Oct 23 2020

...SPECIAL WEATHER STATEMENT...

At 1046 PM CDT, Doppler radar and satellite was tracking a cold 
front with strong winds along a line extending from near Aguilares 
to 11 miles east of Malaquite Beach. The movement of the front was 
south at 20 mph.

Sustained winds of 30 mph with gusts to near 40 mph have been 
experienced with frontal passage in the Corpus Christi area. These 
winds can be expected across portions of the northern ranchlands as 
the cold front moves into the northern portions of deep South Texas 
late tonight into early Saturday morning. 

Locations impacted include...
Falfurrias, Hebbronville, Sarita, Bustamante, Randado, Airport Road
Addition, South Fork Estates, Pleasant Park, Thompsonville and Jim
Hogg County Airport.

LAT...LON 2727 9852 2726 9799 2721 9798 2728 9779
      2723 9755 2728 9735 2708 9738 2707 9739
      2714 9739 2714 9744 2700 9746 2700 9756
      2692 9755 2701 9944 2706 9945 2727 9945
      2732 9937 2727 9880 2735 9880 2736 9855
TIME...MOT...LOC 0346Z 047DEG 23KT 2752 9910 2743 9711 

$$

CASTILLO

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 24, 12:12 AM CDTSpecial Weather StatementBROBrooks, Jim Hogg, Kenedy, Zapata48 min
Oct 24, 2:50 PM CDTCoastal Flood StatementBROKenedy20 hr

Nearby

Special Weather Statements in Texas, 2020Every special weather 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.