Alert archive / Texas / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 49, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Apr 15, 2021, 5:22 PM CDT for Bastrop County, Fayette County, Lee County, Texas. It was in force for 29 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
- Apr 15, 2021, 5:22 PM CDT (22:22 UTC)
- Expired
- Apr 15, 2021, 5:51 PM CDT
- In force
- 29 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 50.0 mph
Counties Bastrop County, TX, Fayette County, TX, Lee County, TX
The radar
The Ft Hood radar (KGRK), 77 km from the middle of the area, began a volume at 22:24 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, 10.4 hours before the alert went out and 286 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
- 3082 J/kg
- Mixed-layer CIN
- -22 J/kg
- Mixed-layer LCL
- 497 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 60 m²/s²
- 0-3 km storm-relative helicity
- 137 m²/s²
- Significant tornado parameter
- 1.6
- Supercell composite
- 7.8
The text
As transmitted.
664
WUUS54 KEWX 152222
SVREWX
TXC021-149-287-152330-
/O.NEW.KEWX.SV.W.0049.210415T2222Z-210415T2330Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Austin/San Antonio TX
522 PM CDT Thu Apr 15 2021
The National Weather Service in Austin San Antonio has issued a
* Severe Thunderstorm Warning for...
East central Bastrop County in south central Texas...
Lee County in south central Texas...
Northeastern Fayette County in south central Texas...
* Until 630 PM CDT.
* At 522 PM CDT, severe thunderstorms were located along a line
extending from near Dime Box to 6 miles east of Fedor to Paige,
moving southeast at 40 mph.
HAZARD...Quarter size hail.
SOURCE...Radar indicated.
IMPACT...Damage to vehicles is expected.
* Locations impacted include...
Giddings, Shelby, Fayetteville, Dime Box, Round Top, Paige, Lake
Somerville State Park & Trailway, Carmine, Northrup, Warrenton,
Ledbetter, Waldeck, Loebau, Hills, Lincoln, Nechanitz, Manheim,
Serbin, Old Dime Box and Warda.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 2989 9664 3022 9725 3030 9700 3055 9694
3054 9693 3049 9690 3047 9691 3043 9687
3039 9679 3032 9674 3032 9669 3029 9665
3025 9669 3024 9674 3020 9674 3016 9679
3014 9676 3016 9669 3014 9665 2996 9657
TIME...MOT...LOC 2222Z 297DEG 33KT 3040 9691 3028 9695 3023 9712
HAIL...1.00IN
WIND...<50MPH
$$
HAMPSHIRE2 follow-up statements
713
WWUS54 KEWX 152233
SVSEWX
Severe Weather Statement
National Weather Service Austin/San Antonio TX
533 PM CDT Thu Apr 15 2021
TXC021-152242-
/O.CAN.KEWX.SV.W.0049.000000T0000Z-210415T2330Z/
Bastrop TX-
533 PM CDT Thu Apr 15 2021
...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL BASTROP COUNTY IS
CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
LAT...LON 2989 9664 3011 9704 3030 9700 3032 9692
3043 9687 3039 9679 3032 9674 3032 9669
3029 9665 3025 9669 3024 9674 3020 9674
3016 9679 3014 9677 3014 9676 3015 9674
3016 9669 3014 9665 3004 9662 2996 9657
TIME...MOT...LOC 2232Z 296DEG 33KT 3036 9682 3024 9686 3021 9700
$$
TXC149-287-152330-
/O.CON.KEWX.SV.W.0049.000000T0000Z-210415T2330Z/
Lee TX-Fayette TX-
533 PM CDT Thu Apr 15 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM CDT
FOR SOUTHEASTERN LEE AND NORTHEASTERN FAYETTE COUNTIES...
At 532 PM CDT, severe thunderstorms were located along a line
extending from Dime Box to near Giddings, moving southeast at 40 mph.
HAZARD...Quarter size hail.
SOURCE...Radar indicated.
IMPACT...Damage to vehicles is expected.
Locations impacted include...
Giddings, Fayetteville, Dime Box, Round Top, Lake Somerville State
Park & Trailway, Carmine, Serbin, Northrup, Warrenton, Old Dime Box,
Ledbetter, Waldeck, Loebau, Warda, Walhalla, Willow Springs,
Winedale, Rek Hill, Lincoln and Nechanitz.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 2989 9664 3011 9704 3030 9700 3032 9692
3043 9687 3039 9679 3032 9674 3032 9669
3029 9665 3025 9669 3024 9674 3020 9674
3016 9679 3014 9677 3014 9676 3015 9674
3016 9669 3014 9665 3004 9662 2996 9657
TIME...MOT...LOC 2232Z 296DEG 33KT 3036 9682 3024 9686 3021 9700
HAIL...1.00IN
WIND...<50MPH
$$
HAMPSHIRE840
WWUS54 KEWX 152251
SVSEWX
Severe Weather Statement
National Weather Service Austin/San Antonio TX
551 PM CDT Thu Apr 15 2021
TXC149-287-152300-
/O.CAN.KEWX.SV.W.0049.000000T0000Z-210415T2330Z/
Lee TX-Fayette TX-
551 PM CDT Thu Apr 15 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN LEE AND
NORTHEASTERN FAYETTE COUNTIES IS CANCELLED...
The storms which prompted the warning have moved out of the area.
Therefore, the warning has been cancelled.
LAT...LON 2989 9664 3011 9704 3030 9700 3032 9692
3043 9687 3039 9679 3032 9674 3032 9669
3029 9665 3025 9669 3024 9674 3020 9674
3016 9679 3014 9677 3014 9676 3015 9674
3016 9669 3014 9665 3004 9662 2996 9657
TIME...MOT...LOC 2250Z 297DEG 33KT 3028 9665 3016 9669 3013 9683
$$
HAMPSHIREThe office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 15, 7:34 AM CDT | Special Weather Statement | EWX | Kinney | 41 min |
| Apr 15, 8:12 AM CDT | Special Weather Statement | EWX | Edwards | 48 min |
| Apr 15, 8:14 AM CDT | Special Weather Statement | EWX | Kinney | 46 min |
| Apr 15, 8:31 AM CDT | Severe Thunderstorm Warning | EWX | Edwards, Val Verde | 59 min |
| Apr 15, 8:40 AM CDT | Severe Thunderstorm Warning | EWX | Kinney | 65 min |
| Apr 15, 8:55 AM CDT | Special Weather Statement | EWX | Edwards | 50 min |
| Apr 15, 9:04 AM CDT | Severe Thunderstorm Warning | EWX | Edwards | 24 min |
| Apr 15, 9:32 AM CDT | Severe Thunderstorm Warning | EWX | Edwards | 17 min |
| Apr 15, 9:42 AM CDT | Severe Thunderstorm Warning | EWX | Kinney, Uvalde | 63 min |
| Apr 15, 10:42 AM CDT | Severe Thunderstorm Warning | EWX | Uvalde | 45 min |
| Apr 15, 12:15 PM CDT | Severe Thunderstorm Warning | EWX | Gillespie, Llano | 60 min |
| Apr 15, 1:07 PM CDT | Severe Thunderstorm Warning | EWX | Blanco, Burnet, Llano, Travis | 53 min |
| Apr 15, 1:52 PM CDT | Severe Thunderstorm Warning | EWX | Burnet, Williamson | 36 min |
| Apr 15, 2:07 PM CDT | Severe Thunderstorm Warning | EWX | Burnet, Williamson | 40 min |
| Apr 15, 2:57 PM CDT | Severe Thunderstorm Warning | EWX | Burnet, Llano | 63 min |
| Apr 15, 3:21 PM CDT | Severe Thunderstorm Warning | EWX | Burnet, Williamson | 54 min |
| Apr 15, 3:56 PM CDT | Severe Thunderstorm Warning | EWX | Travis, Williamson | 49 min |
| Apr 15, 4:11 PM CDT | Special Weather Statement | EWX | Williamson | 49 min |
| Apr 15, 4:36 PM CDT | Severe Thunderstorm Warning | EWX | Bastrop, Lee, Travis, Williamson | 54 min |
Nearby
Severe Thunderstorm Warnings in Texas, 2021Every 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.