Alert archive / Texas / Special Weather Statements in 2021

Special Weather Statement, NWS Austin/San Antonio, TX

March 23, 2021Lee County, Texas

NWS Austin/San Antonio, TX issued this special weather statement at Mar 23, 2021, 12:25 AM CDT for Lee County, Texas. It was in force for 65 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: Mar 23, 2021, 12:25 AM CDT (05:25 UTC)
Expired: Mar 23, 2021, 1:30 AM CDT
In force: 65 min
Issued by: NWS Austin/San Antonio, TX

County Lee County, TX

The radar

The Ft Hood radar (KGRK), 69 km from the middle of the area, began a volume at 05:28 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

Fort Worth, TX (KFWD), launched 00:00Z, 5.4 hours before the alert went out and 285 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 679 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 404 m²/s²
0-3 km storm-relative helicity: 672 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

As transmitted.

967 
WWUS84 KEWX 230525
SPSEWX

Special Weather Statement
National Weather Service Austin/San Antonio TX
1225 AM CDT Tue Mar 23 2021
 
TXZ173-194-209-230630-
Williamson TX-Fayette TX-Lee TX-
1225 AM CDT Tue Mar 23 2021

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN WILLIAMSON...LEE AND
NORTHEASTERN FAYETTE COUNTIES UNTIL 130 AM CDT...

At 1225 AM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from 9 miles west of Lexington to near Camp Swift.
Movement was east at 40 mph.

Half inch hail and winds in excess of 40 mph will be possible with
these storms.

Locations impacted include...
Giddings, Lexington, Dime Box, Fedor, Lake Somerville State Park &
Trailway, Tanglewood, Carmine, Knobb Springs, Serbin, Northrup, Blue,
Old Dime Box, Ledbetter, Loebau, Hills, Leo, Lincoln and Manheim.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Frequent cloud to ground lightning is occurring with these storms.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

A Severe Thunderstorm Watch remains in effect until 200 AM CDT for
south central Texas. A Severe Thunderstorm Watch also remains in
effect until 400 AM CDT for south central Texas.

LAT...LON 3025 9669 3024 9674 3020 9674 3016 9679
      3014 9677 3017 9669 3015 9666 3008 9668
      3010 9704 3026 9708 3037 9727 3057 9721
      3046 9715 3056 9697 3054 9692 3046 9690
      3039 9679 3032 9674 3032 9669 3029 9664
TIME...MOT...LOC 0525Z 267DEG 33KT 3041 9717 3019 9726 

$$

RUNYEN

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 22, 8:32 PM CDT	Severe Thunderstorm Warning	EWX	Burnet, Llano	58 min
Mar 22, 9:02 PM CDT	Special Weather Statement	EWX	Blanco, Gillespie, Llano	43 min
Mar 22, 9:14 PM CDT	Severe Thunderstorm Warning	EWX	Burnet, Llano, Williamson	61 min
Mar 22, 9:16 PM CDT	Severe Thunderstorm Warning	EWX	Blanco, Burnet, Gillespie, Llano	59 min
Mar 22, 9:58 PM CDT	Severe Thunderstorm Warning	EWX	Burnet, Williamson	62 min
Mar 22, 10:05 PM CDT	Severe Thunderstorm Warning	EWX	Bandera, Blanco, Comal, Kendall, Kerr	55 min
Mar 22, 10:11 PM CDT	Severe Thunderstorm Warning	EWX	Blanco, Burnet, Gillespie, Hays, Travis	64 min
Mar 22, 10:26 PM CDT	Tornado Warning	EWX	Williamson	27 min
Mar 22, 10:34 PM CDT	Special Weather Statement	EWX	Gillespie	41 min
Mar 22, 10:56 PM CDT	Severe Thunderstorm Warning	EWX	Williamson	41 min
Mar 22, 10:57 PM CDT	Special Weather Statement	EWX	Comal, Hays, Kendall	48 min
Mar 22, 11:02 PM CDT	Special Weather Statement	EWX	Travis	58 min
Mar 22, 11:31 PM CDT	Severe Thunderstorm Warning	EWX	Bandera, Edwards, Medina, Real, Uvalde	59 min
Mar 22, 11:34 PM CDT	Special Weather Statement	EWX	Bandera, Kendall, Kerr	41 min
Mar 22, 11:44 PM CDT	Severe Thunderstorm Warning	EWX	Bandera, Gillespie, Kendall, Kerr, Medina	61 min
Mar 22, 11:55 PM CDT	Special Weather Statement	EWX	Bastrop	65 min
Mar 23, 12:25 AM CDT	Severe Thunderstorm Warning	EWX	Bandera, Medina, Uvalde	65 min
Mar 23, 12:35 AM CDT	Severe Thunderstorm Warning	EWX	Bandera, Bexar, Blanco, Comal, Hays, Kendall and 1 more	55 min
Mar 23, 1:06 AM CDT	Tornado Warning	EWX	Comal, Guadalupe, Hays	24 min
Mar 23, 1:13 AM CDT	Severe Thunderstorm Warning	EWX	Bandera, Bexar, Comal, Guadalupe, Kendall, Medina and 1 more	62 min
Mar 23, 1:19 AM CDT	Special Weather Statement	EWX	Medina	41 min
Mar 23, 1:26 AM CDT	Severe Thunderstorm Warning	EWX	Bastrop, Caldwell, Comal, Gonzales, Guadalupe, Hays and 1 more	64 min
Mar 23, 1:48 AM CDT	Severe Thunderstorm Warning	EWX	Atascosa, Bexar, Frio, Medina	34 min
Mar 23, 1:58 AM CDT	Severe Thunderstorm Warning	EWX	Gonzales, Guadalupe	32 min
Mar 23, 2:13 AM CDT	Severe Thunderstorm Warning	EWX	Bexar, Gonzales, Guadalupe, Karnes, Wilson	26 min
Mar 23, 2:16 AM CDT	Severe Thunderstorm Warning	EWX	Bastrop, Caldwell, Fayette, Gonzales, Guadalupe, Lavaca and 1 more	59 min
Mar 23, 3:03 AM CDT	Severe Thunderstorm Warning	EWX	Fayette, Lavaca	33 min
Mar 23, 3:43 AM CDT	Special Weather Statement	EWX	DeWitt, Lavaca	47 min
Mar 23, 4:07 AM CDT	Severe Thunderstorm Warning	EWX	Lavaca	38 min

Nearby

Special Weather Statements in Texas, 2021 Every 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.