Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 114, NWS Austin/San Antonio, TX

May 10, 2021Edwards County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at May 10, 2021, 7:14 PM CDT for Edwards County, Texas. It was in force for 16 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: May 10, 2021, 7:14 PM CDT (00:14 UTC)
Expired: May 10, 2021, 7:30 PM CDT
In force: 16 min
Issued by: NWS Austin/San Antonio, TX
Area: Storm-based polygon
Hail: 1.25 in
Wind: 50.0 mph

County Edwards County, TX

The radar

The Laughlin AFB radar (KDFX), 109 km from the middle of the area, began a volume at 00:17 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
May 10, 1:48 PM CDT	Severe Thunderstorm Watch	SPC	10 hr

The nearest sounding before it

Del Rio, TX (KDRT), launched 00:00Z, 0.2 hours before the alert went out and 100 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: 3006 J/kg
Mixed-layer CIN: -10 J/kg
Mixed-layer LCL: 1131 m above ground
0-6 km bulk shear: 49 kt
0-1 km storm-relative helicity: 5 m²/s²
0-3 km storm-relative helicity: 81 m²/s²
Significant tornado parameter: 0.9
Supercell composite: 4.1

Open this sounding in Storm Lab

The text

As transmitted.

933 
WUUS54 KEWX 110014
SVREWX
TXC137-110045-
/O.NEW.KEWX.SV.W.0114.210511T0014Z-210511T0045Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Austin/San Antonio TX
714 PM CDT Mon May 10 2021

The National Weather Service in Austin San Antonio has issued a

* Severe Thunderstorm Warning for...
  Northwestern Edwards County in south central Texas...

* Until 745 PM CDT.

* At 713 PM CDT, a severe thunderstorm was located 22 miles south of
  Sonora, moving northeast at 30 mph.

  HAZARD...Half dollar size hail.

  SOURCE...Radar indicated.

  IMPACT...Damage to vehicles is expected.

* Locations impacted include...
  Us-277 Near The Sutton-Edwards County Line.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3029 10036 3013 10048 3014 10070 3029 10070
TIME...MOT...LOC 0013Z 213DEG 24KT 3025 10061 

HAIL...1.25IN
WIND...<50MPH
 
$$

BRADY

1 follow-up statement

022 
WWUS54 KEWX 110030
SVSEWX

Severe Weather Statement
National Weather Service Austin/San Antonio TX
730 PM CDT Mon May 10 2021

TXC137-110040-
/O.CAN.KEWX.SV.W.0114.000000T0000Z-210511T0045Z/
Edwards TX-
730 PM CDT Mon May 10 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN EDWARDS COUNTY IS
CANCELLED...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 1000 PM CDT for
south central Texas.

LAT...LON 3029 10036 3013 10048 3014 10070 3029 10070
TIME...MOT...LOC 0029Z 213DEG 24KT 3035 10054 

$$

BRADY

The office that day

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

Issued	Product	Office	Counties	Lasted
May 10, 7:49 PM CDT	Areal Flood Advisory	EWX	Dimmit, Maverick	3 hr
May 10, 7:55 PM CDT	Special Weather Statement	EWX	Kinney	50 min
May 10, 8:00 PM CDT	Special Weather Statement	EWX	Dimmit, Maverick, Zavala	45 min
May 10, 8:06 PM CDT	Severe Thunderstorm Warning	EWX	Edwards, Kinney, Maverick, Real, Uvalde, Zavala	54 min
May 10, 8:31 PM CDT	Tornado Warning	EWX	Kinney, Uvalde	16 min
May 10, 8:52 PM CDT	Special Weather Statement	EWX	Frio, Zavala	38 min
May 10, 8:58 PM CDT	Severe Thunderstorm Warning	EWX	Bandera, Edwards, Kerr, Kinney, Medina, Real and 1 more	62 min
May 10, 9:09 PM CDT	Areal Flood Advisory	EWX	Dimmit, Zavala	3 hr
May 10, 9:20 PM CDT	Areal Flood Advisory	EWX	Kinney, Maverick, Uvalde, Zavala	3 hr
May 10, 9:30 PM CDT	Special Weather Statement	EWX	Frio, Medina	60 min
May 10, 9:52 PM CDT	Severe Thunderstorm Warning	EWX	Bandera, Medina, Uvalde	53 min
May 10, 10:42 PM CDT	Areal Flood Advisory	EWX	Medina, Uvalde	3 hr
May 10, 10:45 PM CDT	Special Weather Statement	EWX	Bexar	45 min
May 10, 11:17 PM CDT	Special Weather Statement	EWX	Bexar	43 min
May 11, 3:51 PM CDT	Areal Flood Advisory	EWX	Kendall	2 hr
May 11, 4:03 PM CDT	Special Weather Statement	EWX	Atascosa	42 min
May 11, 4:23 PM CDT	Special Weather Statement	EWX	Caldwell	52 min
May 11, 4:24 PM CDT	Special Weather Statement	EWX	Guadalupe	51 min
May 11, 4:45 PM CDT	Special Weather Statement	EWX	Atascosa	45 min
May 11, 4:59 PM CDT	Severe Thunderstorm Warning	EWX	Atascosa, Bexar, Wilson	61 min
May 11, 5:20 PM CDT	Severe Thunderstorm Warning	EWX	Atascosa, Bexar	25 min
May 11, 5:30 PM CDT	Areal Flood Advisory	EWX	Atascosa, Bexar, Frio, Medina	3 hr
May 11, 5:46 PM CDT	Severe Thunderstorm Warning	EWX	Bexar, Medina	44 min
May 11, 5:47 PM CDT	Special Weather Statement	EWX	Guadalupe	43 min
May 11, 6:13 PM CDT	Special Weather Statement	EWX	Wilson	47 min
May 11, 6:31 PM CDT	Special Weather Statement	EWX	Dimmit	44 min
May 11, 6:36 PM CDT	Special Weather Statement	EWX	Frio, Medina	39 min
May 11, 6:46 PM CDT	Severe Thunderstorm Warning	EWX	DeWitt, Gonzales, Karnes, Wilson	38 min

Nearby

Severe Thunderstorm Warnings in Texas, 2021 Every severe thunderstorm warning 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.