Alert archive / Texas / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 171, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Jun 15, 2021, 7:53 PM CDT for Bandera County, Medina County, Texas. It was in force for 52 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jun 15, 2021, 7:53 PM CDT (00:53 UTC)
- Expired
- Jun 15, 2021, 8:45 PM CDT
- In force
- 52 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Storm-based polygon
- Hail
- 0.88 in
- Wind
- 60.0 mph
Counties Bandera County, TX, Medina County, TX
The radar
The Austin/San Antonio radar (KEWX), 105 km from the middle of the area, began a volume at 00:52 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 15, 7:55 PM CDT | HAIL 1 | 2 S Bandera, TX | MOSTLY DIME TO NICKEL SIZED HAIL WITH A FEW HAILSTONES UP TO QUARTER SIZED. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Del Rio, TX (KDRT), launched 00:00Z, 0.9 hours before the alert went out and 170 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
- 731 J/kg
- Mixed-layer CIN
- -9 J/kg
- Mixed-layer LCL
- 2539 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- -36 m²/s²
- 0-3 km storm-relative helicity
- 15 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The text
As transmitted.
725 WUUS54 KEWX 160053 SVREWX TXC019-325-160200- /O.NEW.KEWX.SV.W.0171.210616T0053Z-210616T0200Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Austin/San Antonio TX 753 PM CDT Tue Jun 15 2021 The National Weather Service in Austin San Antonio has issued a * Severe Thunderstorm Warning for... Northwestern Medina County in south central Texas... Southeastern Bandera County in south central Texas... * Until 900 PM CDT. * At 752 PM CDT, a severe thunderstorm was located near Bandera, moving southwest at 10 mph. HAZARD...60 mph wind gusts and nickel size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Bandera, Hill Country State Natural Area, Bandera Falls, Lakehills and Lake Medina Shores. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 2976 9912 2968 9894 2941 9905 2954 9932 TIME...MOT...LOC 0052Z 032DEG 10KT 2967 9908 HAIL...0.88IN WIND...60MPH $$ MO
2 follow-up statements
504
WWUS54 KEWX 160126
SVSEWX
Severe Weather Statement
National Weather Service Austin/San Antonio TX
826 PM CDT Tue Jun 15 2021
TXC019-160136-
/O.CAN.KEWX.SV.W.0171.000000T0000Z-210616T0200Z/
Bandera TX-
826 PM CDT Tue Jun 15 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN BANDERA COUNTY IS
CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
Bandera County. Therefore, the warning has been cancelled.
LAT...LON 2954 9932 2963 9920 2962 9898 2941 9905
TIME...MOT...LOC 0126Z 355DEG 13KT 2953 9905
$$
TXC325-160200-
/O.CON.KEWX.SV.W.0171.000000T0000Z-210616T0200Z/
Medina TX-
826 PM CDT Tue Jun 15 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM CDT
FOR NORTHWESTERN MEDINA COUNTY...
At 826 PM CDT, a severe thunderstorm was located near Mico, or 13
miles south of Bandera, moving south at 15 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Hill Country State Natural Area and Lake Medina Shores.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 2954 9932 2963 9920 2962 9898 2941 9905
TIME...MOT...LOC 0126Z 355DEG 13KT 2953 9905
HAIL...0.75IN
WIND...60MPH
$$
MO355
WWUS54 KEWX 160145
SVSEWX
Severe Weather Statement
National Weather Service Austin/San Antonio TX
845 PM CDT Tue Jun 15 2021
TXC325-160155-
/O.CAN.KEWX.SV.W.0171.000000T0000Z-210616T0200Z/
Medina TX-
845 PM CDT Tue Jun 15 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN MEDINA COUNTY IS
CANCELLED...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled. However gusty winds are
still possible with this thunderstorm as it moves toward Hondo.
LAT...LON 2954 9932 2963 9920 2962 9898 2941 9905
TIME...MOT...LOC 0144Z 032DEG 10KT 2948 9908
$$
MOThe office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 15, 7:09 PM CDT | Special Weather Statement | EWX | Bexar | 36 min |
| Jun 15, 7:14 PM CDT | Special Weather Statement | EWX | Edwards | 46 min |
| Jun 15, 7:40 PM CDT | Special Weather Statement | EWX | Bandera | 35 min |
| Jun 15, 8:44 PM CDT | Special Weather Statement | EWX | Medina | 31 min |
| Jun 15, 10:39 PM CDT | Special Weather Statement | EWX | Uvalde | 51 min |
| Jun 15, 10:50 PM CDT | Severe Thunderstorm Warning | EWX | Uvalde | 28 min |
| Jun 15, 10:56 PM CDT | Special Weather Statement | EWX | DeWitt | 64 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.