Alert archive / Texas / Special Weather Statements in 2021

Special Weather Statement, NWS Austin/San Antonio, TX

July 13, 2021Lee County, Texas

NWS Austin/San Antonio, TX issued this special weather statement at Jul 13, 2021, 3:16 PM CDT for Lee County, Texas. It was in force for 44 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
Jul 13, 2021, 3:16 PM CDT (20:16 UTC)
Expired
Jul 13, 2021, 4:00 PM CDT
In force
44 min
Issued by
NWS Austin/San Antonio, TX

County Lee County, TX

The radar

The Ft Hood radar (KGRK), 73 km from the middle of the area, began a volume at 20:17 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, 8.3 hours before the alert went out and 287 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 2021-07-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2924 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 12:00Z on 2021-07-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -64 square meters per square second.1939Sfc1 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
2924 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
736 m above ground
0-6 km bulk shear
7 kt
0-1 km storm-relative helicity
-64 m²/s²
0-3 km storm-relative helicity
-58 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

635 
WWUS84 KEWX 132016
SPSEWX

Special Weather Statement
National Weather Service Austin/San Antonio TX
316 PM CDT Tue Jul 13 2021
 
TXZ193-194-209-132100-
Bastrop TX-Fayette TX-Lee TX-
316 PM CDT Tue Jul 13 2021

...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN BASTROP...LEE AND
NORTHEASTERN FAYETTE COUNTIES UNTIL 400 PM CDT...

At 315 PM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Round Top to Circle D-KC Estates. Movement
was north at 20 mph.

Half inch hail and wind gusts up to 50 mph will be possible with
these storms.

Locations impacted include...
Giddings, Smithville, Lexington, Dime Box, Round Top, Fedor, Paige,
Tanglewood, Lake Somerville State Park & Trailway, Carmine, Northrup,
Warrenton, Ledbetter, Waldeck, Loebau, Buescher State Park, Hills,
Lincoln, Nechanitz and Manheim.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with these storms, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

&&

LAT...LON 2994 9664 3001 9718 3044 9720 3053 9700
      3050 9690 3046 9690 3046 9688 3043 9687
      3043 9685 3039 9679 3032 9674 3032 9670
      3025 9669 3024 9674 3020 9674 3016 9679
      3014 9677 3017 9669 3015 9667
TIME...MOT...LOC 2015Z 169DEG 17KT 3003 9676 3016 9722 

$$

MO

The office that day

Everything else NWS Austin/San Antonio, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 13, 1:32 PM CDTSpecial Weather StatementEWXComal, Guadalupe43 min
Jul 13, 3:11 PM CDTSpecial Weather StatementEWXBastrop, Blanco, Hays, Travis64 min
Jul 13, 3:19 PM CDTSpecial Weather StatementEWXDimmit, Zavala56 min
Jul 13, 4:05 PM CDTSpecial Weather StatementEWXWilliamson55 min

Nearby

Special Weather Statements in Texas, 2021Every special weather 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.