Alert archive / Texas / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 191, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Oct 27, 2021, 4:08 AM CDT for 6 counties in Texas. It was in force for 52 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
- Oct 27, 2021, 4:08 AM CDT (09:08 UTC)
- Expired
- Oct 27, 2021, 5:00 AM CDT
- In force
- 52 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Bandera County, TX, Kendall County, TX, Kerr County, TX, Medina County, TX, Real County, TX, Uvalde County, TX
The radar
The Austin/San Antonio radar (KEWX), 107 km from the middle of the area, began a volume at 09:09 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 |
|---|---|---|---|
| Oct 27, 1:32 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Del Rio, TX (KDRT), launched 00:00Z, 9.1 hours before the alert went out and 168 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
- 815 J/kg
- Mixed-layer CIN
- -156 J/kg
- Mixed-layer LCL
- 2315 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 82 m²/s²
- 0-3 km storm-relative helicity
- 267 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.5
The text
As transmitted.
509
WUUS54 KEWX 270908
SVREWX
TXC019-259-265-325-385-463-271000-
/O.NEW.KEWX.SV.W.0191.211027T0908Z-211027T1000Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Austin/San Antonio TX
408 AM CDT Wed Oct 27 2021
The National Weather Service in Austin San Antonio has issued a
* Severe Thunderstorm Warning for...
Central Medina County in south central Texas...
Bandera County in south central Texas...
Southern Kerr County in south central Texas...
Northeastern Uvalde County in south central Texas...
Southwestern Kendall County in south central Texas...
Southeastern Real County in south central Texas...
* Until 500 AM CDT.
* At 408 AM CDT, severe thunderstorms were located along a line
extending from near Medina to near Sabinal, moving east at 50 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Medina, Boerne, Hondo, Castroville, Bandera, Vanderpool, Tarpley,
Sabinal, Camp Verde, D'Hanis, Bandera Falls, Quihi, Concan, Dunlay,
Mico, Pipe Creek, Welfare, Nelson City, Utopia and Bader.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 2991 9966 2993 9872 2972 9878 2969 9881
2963 9881 2930 9890 2927 9975
TIME...MOT...LOC 0908Z 275DEG 43KT 2987 9923 2928 9941
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
MO3 follow-up statements
225
WWUS54 KEWX 270915
SVSEWX
Severe Weather Statement
National Weather Service Austin/San Antonio TX
415 AM CDT Wed Oct 27 2021
TXC385-270924-
/O.CAN.KEWX.SV.W.0191.000000T0000Z-211027T1000Z/
Real TX-
415 AM CDT Wed Oct 27 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN REAL COUNTY IS
CANCELLED...
The storms which prompted the warning have moved east of the warned
area of Real County. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 800 AM CDT for
south central Texas.
LAT...LON 2990 9954 2993 9872 2972 9878 2969 9881
2963 9881 2930 9890 2929 9959
TIME...MOT...LOC 0914Z 265DEG 43KT 2988 9922 2933 9941
$$
TXC019-259-265-325-463-271000-
/O.CON.KEWX.SV.W.0191.000000T0000Z-211027T1000Z/
Medina TX-Bandera TX-Kerr TX-Uvalde TX-Kendall TX-
415 AM CDT Wed Oct 27 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 AM CDT
FOR CENTRAL MEDINA...BANDERA...SOUTHEASTERN KERR...NORTHEASTERN
UVALDE AND SOUTHWESTERN KENDALL COUNTIES...
At 414 AM CDT, severe thunderstorms were located along a line
extending from near Medina to near Sabinal, moving east at 50 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Medina, Boerne, Hondo, Castroville, Bandera, Tarpley, Sabinal, Camp
Verde, D'Hanis, Bandera Falls, Quihi, Dunlay, Mico, Pipe Creek,
Welfare, Nelson City, Utopia, Bader, Lakehills and New Fountain.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 2990 9954 2993 9872 2972 9878 2969 9881
2963 9881 2930 9890 2929 9959
TIME...MOT...LOC 0914Z 265DEG 43KT 2988 9922 2933 9941
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
MO021
WWUS54 KEWX 270930
SVSEWX
Severe Weather Statement
National Weather Service Austin/San Antonio TX
430 AM CDT Wed Oct 27 2021
TXC463-270940-
/O.CAN.KEWX.SV.W.0191.000000T0000Z-211027T1000Z/
Uvalde TX-
430 AM CDT Wed Oct 27 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN UVALDE COUNTY IS
CANCELLED...
The storms which prompted the warning have moved out of the warned
area of Uvalde County. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 800 AM CDT for
south central Texas.
LAT...LON 2972 9878 2969 9881 2962 9881 2943 9886
2940 9940 2963 9941 2963 9944 2964 9944
2990 9937 2993 9872
TIME...MOT...LOC 0930Z 266DEG 39KT 2987 9901 2942 9927
$$
TXC019-259-265-325-271000-
/O.CON.KEWX.SV.W.0191.000000T0000Z-211027T1000Z/
Medina TX-Bandera TX-Kerr TX-Kendall TX-
430 AM CDT Wed Oct 27 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 AM CDT
FOR NORTHERN MEDINA...BANDERA...SOUTHEASTERN KERR AND SOUTHWESTERN
KENDALL COUNTIES...
At 430 AM CDT, severe thunderstorms were located along a line
extending from near Center Point to 6 miles north of D'Hanis, moving
east at 45 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Medina, Boerne, Bandera, Tarpley, Lakehills, Camp Verde, Bandera
Falls, Mico, Pipe Creek, Welfare, Nelson City, Kronkosky State
Natural Area, Hill Country State Natural Area, Rio Medina, Walnut
Grove and Lake Medina Shores.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 2972 9878 2969 9881 2962 9881 2943 9886
2940 9940 2963 9941 2963 9944 2964 9944
2990 9937 2993 9872
TIME...MOT...LOC 0930Z 266DEG 39KT 2987 9901 2942 9927
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
MO674
WWUS54 KEWX 270953
SVSEWX
Severe Weather Statement
National Weather Service Austin/San Antonio TX
453 AM CDT Wed Oct 27 2021
TXC019-259-265-325-271002-
/O.EXP.KEWX.SV.W.0191.000000T0000Z-211027T1000Z/
Medina TX-Bandera TX-Kerr TX-Kendall TX-
453 AM CDT Wed Oct 27 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN MEDINA...BANDERA...
SOUTHEASTERN KERR AND SOUTHWESTERN KENDALL COUNTIES WILL EXPIRE AT
500 AM CDT...
The storms which prompted the warning have moved out of the area.
Therefore, the warning will be allowed to expire. However gusty
winds up to 50 mph are still possible on the backside of these
thunderstorms, since a strong cold front is moving into the area.
A Severe Thunderstorm Watch remains in effect until 800 AM CDT for
south central Texas.
LAT...LON 2972 9878 2969 9881 2962 9881 2943 9886
2940 9940 2963 9941 2963 9944 2964 9944
2990 9937 2993 9872
TIME...MOT...LOC 0952Z 275DEG 43KT 2985 9873 2940 9900
$$
MOThe office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 27, 3:41 AM CDT | Special Weather Statement | EWX | Bandera | 64 min |
| Oct 27, 4:03 AM CDT | Special Weather Statement | EWX | Burnet | 57 min |
| Oct 27, 4:05 AM CDT | Severe Thunderstorm Warning | EWX | Bandera, Kendall, Kerr, Medina, Uvalde | 40 min |
| Oct 27, 4:22 AM CDT | Special Weather Statement | EWX | Blanco, Comal, Hays, Travis | 53 min |
| Oct 27, 4:41 AM CDT | Special Weather Statement | EWX | Williamson | 49 min |
| Oct 27, 4:50 AM CDT | Severe Thunderstorm Warning | EWX | Bexar, Blanco, Comal, Hays, Kendall | 55 min |
| Oct 27, 5:00 AM CDT | Special Weather Statement | EWX | Bexar | 45 min |
| Oct 27, 5:08 AM CDT | Special Weather Statement | EWX | Bastrop, Caldwell, Guadalupe, Travis | 52 min |
| Oct 27, 5:31 AM CDT | Special Weather Statement | EWX | Bastrop, Lee | 59 min |
| Oct 27, 5:49 AM CDT | Special Weather Statement | EWX | Bexar, Guadalupe | 41 min |
| Oct 27, 6:02 AM CDT | Special Weather Statement | EWX | Bastrop, Caldwell | 58 min |
| Oct 27, 6:18 AM CDT | Special Weather Statement | EWX | Gonzales, Guadalupe, Wilson | 57 min |
| Oct 27, 6:43 AM CDT | Special Weather Statement | EWX | Fayette, Gonzales, Lavaca | 62 min |
| Oct 27, 7:45 AM CDT | Special Weather Statement | EWX | DeWitt, Karnes, Lavaca | 30 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.