Alert archive / Texas / Severe Thunderstorm Warnings in 2020
Severe Thunderstorm Warning 223, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Sep 3, 2020, 6:22 PM CDT for Kinney County, Maverick County, Texas. It was in force for 53 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Sep 3, 2020, 6:22 PM CDT (23:22 UTC)
- Expired
- Sep 3, 2020, 7:15 PM CDT
- In force
- 53 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Storm-based polygon
- Hail
- 0.88 in
- Wind
- 60.0 mph
Counties Kinney County, TX, Maverick County, TX
The radar
The Laughlin AFB radar (KDFX), 26 km from the middle of the area, began a volume at 23:22 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
Del Rio, TX (KDRT), launched 12:00Z, 11.4 hours before the alert went out and 58 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.
- Mixed-layer CAPE
- 1520 J/kg
- Mixed-layer CIN
- -127 J/kg
- Mixed-layer LCL
- 999 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 44 m²/s²
- 0-3 km storm-relative helicity
- 67 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.2
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Austin/San Antonio, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Sep 3, 6:20 PM CDT, 2 minutes earlier.
Area forecast discussion, Sep 3, 6:20 PM CDT, 2 minutes before
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</html>Hazardous weather outlook, Sep 3, 3:45 AM CDT, 14 hours 37 minutes before
Hazardous Weather Outlook National Weather Service Austin/San Antonio TX 345 AM CDT Thu Sep 3 2020 TXZ171>173-183>194-202>209-217>225-228-041200- Llano-Burnet-Williamson-Val Verde-Edwards-Real-Kerr-Bandera- Gillespie-Kendall-Blanco-Hays-Travis-Bastrop-Lee-Kinney-Uvalde- Medina-Bexar-Comal-Guadalupe-Caldwell-Fayette-Maverick-Zavala- Frio-Atascosa-Wilson-Karnes-Gonzales-De Witt-Lavaca-Dimmit- 345 AM CDT Thu Sep 3 2020 This Hazardous Weather Outlook is for South-Central Texas.. .DAY ONE...Today And Tonight. Scattered to numerous showers and thunderstorms are expected today and this evening across much of the area. The strongest storms will bring locally heavy rainfall and gusty winds. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. Additional rainfall is likely across the region Friday through Sunday and at times could pose a heavy rainfall threat. The location and timing of the heaviest rain is still uncertain, so continue to check forecasts and outlooks for updated information. .SPOTTER INFORMATION STATEMENT... Spotter activation is not anticipated.
In the hours before
Special weather statement, Sep 3, 1:27 PM CDT, 4 hours 55 minutes before
Special Weather Statement National Weather Service Austin/San Antonio TX 127 PM CDT Thu Sep 3 2020 TXZ192-031915- Travis TX- 127 PM CDT Thu Sep 3 2020 ...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL TRAVIS COUNTY UNTIL 215 PM CDT... At 126 PM CDT, Doppler radar was tracking a strong thunderstorm over West Lake Hills, or near Austin, moving northeast at 5 mph. Wind gusts up to 50 mph will be possible with this storm. Locations impacted include... Austin, Bee Cave, West Lake Hills, Hudson Bend, Rollingwood, Barton Creek, Mansfield Dam, Sunset Valley, Camp Mabry, and Lost Creek. PRECAUTIONARY/PREPAREDNESS ACTIONS... Torrential rainfall is also occurring with this storm, and may lead to localized flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 3018 9780 3030 9795 3047 9787 3029 9761 TIME...MOT...LOC 1826Z 223DEG 5KT 3030 9782 BF
Special weather statement, Sep 3, 3:16 PM CDT, 3 hours 6 minutes before
Special Weather Statement
National Weather Service Austin/San Antonio TX
316 PM CDT Thu Sep 3 2020
TXZ184>187-032115-
Kerr TX-Edwards TX-Real TX-Bandera TX-
316 PM CDT Thu Sep 3 2020
...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN BANDERA...
NORTHWESTERN KERR...EASTERN EDWARDS AND REAL COUNTIES UNTIL 415 PM
CDT...
At 316 PM CDT, Doppler radar was tracking a strong thunderstorm 13
miles south of Telegraph, or 19 miles northeast of Rocksprings,
moving south at 10 mph.
Nickel size hail and wind gusts up to 50 mph will be possible with
this storm.
Locations impacted include...
Leakey, Vanderpool, Hunt, Barksdale, Tuff, Vance, Kerr Wildlife
Management Area, Mountain Home, Lost Maples State Natural Area, I-
10 Near The Kimble-Kerr County Line, Us-377 Near The Kimble-
Edwards County Line, Us-83 Near The Kerr-
Kimble County Line, The Intersection Of I-
10 And Us 290 and Prade Ranch.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
&&
LAT...LON 3029 9931 2991 9933 2969 9958 2969 10006
3029 10005
TIME...MOT...LOC 2016Z 344DEG 10KT 3013 9991
AATSpecial weather statement, Sep 3, 4:27 PM CDT, 1 hour 55 minutes before
Special Weather Statement
National Weather Service Austin/San Antonio TX
427 PM CDT Thu Sep 3 2020
TXZ187-204-032215-
Medina TX-Bandera TX-
427 PM CDT Thu Sep 3 2020
...SIGNIFICANT WEATHER ADVISORY FOR NORTHERN MEDINA AND CENTRAL
BANDERA COUNTIES UNTIL 515 PM CDT...
At 426 PM CDT, Doppler radar was tracking a strong thunderstorm near
Bandera, moving southeast at 20 mph.
Wind gusts up to 50 mph will be possible with this storm.
Locations impacted include...
Bandera, Tarpley, Lakehills, Pipe Creek, Bandera Falls, Hill Country
State Natural Area, and Lake Medina Shores.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.
Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
&&
LAT...LON 2981 9897 2959 9881 2940 9927 2975 9934
2984 9906
TIME...MOT...LOC 2126Z 328DEG 16KT 2974 9915
BFSpecial weather statement, Sep 3, 5:18 PM CDT, 1 hour 4 minutes before
Special Weather Statement National Weather Service Austin/San Antonio TX 518 PM CDT Thu Sep 3 2020 TXZ203-218-032300- Uvalde TX-Zavala TX- 518 PM CDT Thu Sep 3 2020 ...SIGNIFICANT WEATHER ADVISORY FOR UVALDE AND NORTHERN ZAVALA COUNTIES UNTIL 600 PM CDT... At 518 PM CDT, Doppler radar was tracking strong thunderstorms along a line extending from near Cline to Sabinal. Movement was south at 30 mph. Wind gusts up to 50 mph will be possible with these storms. Locations impacted include... Uvalde, La Pryor, Batesville, Sabinal, Laguna, Knippa, Blewett, Concan, Washer, Uvalde Estates, Montell, Dabney, Cline, Garner State Park, Reagan Wells and Utopia. 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. 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. && LAT...LON 2888 10011 2962 10011 2963 9941 2886 9941 TIME...MOT...LOC 2218Z 000DEG 25KT 2932 10010 2930 9945 RUNYEN
Special weather statement, Sep 3, 5:33 PM CDT, 49 minutes before
Special Weather Statement National Weather Service Austin/San Antonio TX 533 PM CDT Thu Sep 3 2020 TXZ205-032315- Bexar TX- 533 PM CDT Thu Sep 3 2020 ...SIGNIFICANT WEATHER ADVISORY FOR BEXAR COUNTY UNTIL 615 PM CDT... At 533 PM CDT, Doppler radar was tracking a strong thunderstorm over Leon Valley, or near San Antonio, moving southeast at 25 mph. Half inch hail and winds in excess of 40 mph will be possible with this storm. Locations impacted include... San Antonio, San Antonio Int Airport, Stinson Municipal Airport, Leon Valley, Helotes, Kirby, Alamo Heights, Windcrest, Terrell Hills, Shavano Park, Hollywood Park, Cross Mountain, Olmos Park, Somerset, China Grove, The Dominion, Government Canyon State Natural Area, Sea World, Lackland AFB and Leon Springs. LAT...LON 2961 9880 2971 9854 2934 9827 2920 9864 TIME...MOT...LOC 2233Z 332DEG 21KT 2952 9861 RUNYEN
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 3, 9:00 AM CDT | Areal Flood Advisory | EWX | Burnet | 4 hr |
| Sep 3, 1:02 PM CDT | Areal Flood Advisory | EWX | Burnet | 58 min |
| Sep 3, 1:27 PM CDT | Special Weather Statement | EWX | Travis | 48 min |
| Sep 3, 1:40 PM CDT | Areal Flood Advisory | EWX | Travis | 3 hr |
| Sep 3, 3:16 PM CDT | Special Weather Statement | EWX | Kerr, Real | 59 min |
| Sep 3, 3:29 PM CDT | Areal Flood Advisory | EWX | Blanco, Gillespie | 3 hr |
| Sep 3, 4:27 PM CDT | Special Weather Statement | EWX | Bandera | 48 min |
| Sep 3, 5:01 PM CDT | Severe Thunderstorm Warning | EWX | Kinney | 44 min |
| Sep 3, 5:06 PM CDT | Areal Flood Advisory | EWX | Comal | 114 min |
| Sep 3, 5:14 PM CDT | Areal Flood Advisory | EWX | Bandera, Medina, Real, Uvalde | 2 hr |
| Sep 3, 5:18 PM CDT | Special Weather Statement | EWX | Uvalde | 42 min |
| Sep 3, 5:26 PM CDT | Areal Flood Advisory | EWX | Comal, Kendall | 2 hr |
| Sep 3, 5:33 PM CDT | Special Weather Statement | EWX | Bexar | 42 min |
| Sep 3, 5:40 PM CDT | Severe Thunderstorm Warning | EWX | Kinney, Maverick, Uvalde, Zavala | 65 min |
| Sep 3, 6:15 PM CDT | Areal Flood Advisory | EWX | Bexar | 2 hr |
| Sep 3, 6:38 PM CDT | Special Weather Statement | EWX | Val Verde | 22 min |
Nearby
Severe Thunderstorm Warnings in Texas, 2020Every severe thunderstorm warning 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.