Alert archive / Texas / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 107, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at May 9, 2021, 7:08 PM CDT for Blanco County, Gillespie County, Llano County, Texas. It was in force for 67 min. 6 reports 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
- May 9, 2021, 7:08 PM CDT (00:08 UTC)
- Expired
- May 9, 2021, 8:15 PM CDT
- In force
- 67 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Storm-based polygon
- Hail
- 2.0 in
- Wind
- 60.0 mph
Counties Blanco County, TX, Gillespie County, TX, Llano County, TX
The radar
The Austin/San Antonio radar (KEWX), 110 km from the middle of the area, began a volume at 00:07 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 |
|---|---|---|---|
| May 9, 7:15 PM CDT | HAIL 1.75 | 4 Se Crabapple, TX | PING PONG TO GOLFBALL SIZE SIZE HAIL AND WIND SPEEDS ESTIMATED OF AROUND 60 MPH. WIND DRIVEN HAIL LED TO BROKEN WINDOWS AT RESIDENCE. |
| May 9, 7:17 PM CDT | HAIL 1.75 | 2 Ese Crabapple, TX | |
| May 9, 7:25 PM CDT | HAIL 1.5 | 3 E Crabapple, TX | HAIL SIZES RANGING FROM QUARTER TO PING PONG SIZE. |
| May 9, 7:25 PM CDT | HAIL 1.75 | 2 Wsw Willow City, TX | GOLFBALL SIZE HAIL FALLING FOR 15 MINUTES STARTING AROUND 7:25 PM. |
| May 9, 7:25 PM CDT | HAIL 2.5 | 2 Wsw Willow City, TX | UP TO TENNIS BALL SIZE HAIL JUST SOUTHWEST OF WILLOW CITY. |
| May 9, 7:30 PM CDT | HAIL 0.88 | 4 W Willow City, TX | NICKLE SIZE HAIL FELL AROUND 7:30 WITH PEA SIZE HAIL CONTINUING TO FALL. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
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 9, 3:01 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Del Rio, TX (KDRT), launched 00:00Z, 0.1 hours before the alert went out and 228 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 5144 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- -26 m²/s²
- 0-3 km storm-relative helicity
- -34 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
687
WUUS54 KEWX 100008
SVREWX
TXC031-171-299-100115-
/O.NEW.KEWX.SV.W.0107.210510T0008Z-210510T0115Z/
BULLETIN - EAS ACTIVATION REQUESTED
Severe Thunderstorm Warning
National Weather Service Austin/San Antonio TX
708 PM CDT Sun May 9 2021
The National Weather Service in Austin San Antonio has issued a
* Severe Thunderstorm Warning for...
West central Blanco County in south central Texas...
Eastern Gillespie County in south central Texas...
Southwestern Llano County in south central Texas...
* Until 815 PM CDT.
* At 707 PM CDT, a severe thunderstorm was located over Crabapple, or
12 miles north of Fredericksburg, moving southeast at 35 mph.
HAZARD...Two inch hail and 60 mph wind gusts.
SOURCE...Trained weather spotters.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect
wind damage to roofs, siding, and trees.
* Locations impacted include...
Fredericksburg, Stonewall, Cherry Spring, Prairie Mountain,
Blumenthal, Enchanted Rock State Natural Area, Eckert, Cain City,
Crabapple, Willow City, Rocky Hill and LBJ National Historical
Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
This storm is producing large hail. SEEK SHELTER NOW inside a sturdy
structure and stay away from windows!
&&
LAT...LON 3034 9849 3014 9884 3050 9910 3050 9897
3056 9896 3062 9884
TIME...MOT...LOC 0007Z 318DEG 30KT 3045 9883
HAIL...2.00IN
WIND...60MPH
$$
MORRIS/BF3 follow-up statements
343
WWUS54 KEWX 100025
SVSEWX
Severe Weather Statement
National Weather Service Austin/San Antonio TX
725 PM CDT Sun May 9 2021
TXC299-100034-
/O.CAN.KEWX.SV.W.0107.000000T0000Z-210510T0115Z/
Llano TX-
725 PM CDT Sun May 9 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN LLANO COUNTY IS
CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 1000 PM CDT for
south central Texas.
LAT...LON 3034 9849 3014 9884 3050 9910 3050 9869
TIME...MOT...LOC 0024Z 318DEG 30KT 3034 9872
$$
TXC031-171-100115-
/O.CON.KEWX.SV.W.0107.000000T0000Z-210510T0115Z/
Blanco TX-Gillespie TX-
725 PM CDT Sun May 9 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM CDT
FOR WEST CENTRAL BLANCO AND EASTERN GILLESPIE COUNTIES...
At 724 PM CDT, a severe thunderstorm was located near Willow City, or
10 miles northeast of Fredericksburg, moving southeast at 35 mph.
HAZARD...Two inch hail and 60 mph wind gusts.
SOURCE...Trained weather spotters.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect wind
damage to roofs, siding, and trees.
Locations impacted include...
Fredericksburg, Stonewall, Cherry Spring, Blumenthal, Eckert, Cain
City, Crabapple, Willow City, Rocky Hill, Enchanted Rock State
Natural Area and LBJ National Historical Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
This storm is producing large hail. SEEK SHELTER NOW inside a sturdy
structure and stay away from windows.
&&
LAT...LON 3034 9849 3014 9884 3050 9910 3050 9869
TIME...MOT...LOC 0024Z 318DEG 30KT 3034 9872
HAIL...2.00IN
WIND...60MPH
$$
MORRIS/BF788
WWUS54 KEWX 100038
SVSEWX
Severe Weather Statement
National Weather Service Austin/San Antonio TX
738 PM CDT Sun May 9 2021
TXC031-171-100115-
/O.CON.KEWX.SV.W.0107.000000T0000Z-210510T0115Z/
Blanco TX-Gillespie TX-
738 PM CDT Sun May 9 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM CDT
FOR WEST CENTRAL BLANCO AND EASTERN GILLESPIE COUNTIES...
At 736 PM CDT, a severe thunderstorm was located over Stonewall, or
13 miles east of Fredericksburg, moving southeast at 35 mph.
HAZARD...Two inch hail and 60 mph wind gusts.
SOURCE...Trained weather spotters. At 7:25pm, golf ball size hail
was reported in Crabapple.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect wind
damage to roofs, siding, and trees.
Locations impacted include...
Fredericksburg, Stonewall, Blumenthal, Eckert, Cain City, Crabapple,
Willow City, Rocky Hill and LBJ National Historical Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
This storm is producing large hail. SEEK SHELTER NOW inside a sturdy
structure and stay away from windows.
&&
LAT...LON 3034 9849 3014 9884 3038 9901 3050 9869
TIME...MOT...LOC 0036Z 318DEG 30KT 3027 9864
HAIL...2.00IN
WIND...60MPH
$$
MORRIS/BF990
WWUS54 KEWX 100058
SVSEWX
Severe Weather Statement
National Weather Service Austin/San Antonio TX
758 PM CDT Sun May 9 2021
TXC031-171-100115-
/O.CON.KEWX.SV.W.0107.000000T0000Z-210510T0115Z/
Blanco TX-Gillespie TX-
758 PM CDT Sun May 9 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM CDT
FOR WEST CENTRAL BLANCO AND SOUTHEASTERN GILLESPIE COUNTIES...
At 757 PM CDT, a severe thunderstorm was located over Flugrath, or
near Blanco, moving southeast at 25 mph.
HAZARD...Golf ball size hail and 60 mph wind gusts.
SOURCE...Trained weather spotters.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect wind
damage to roofs, siding, and trees.
Locations impacted include...
Stonewall, Rocky Hill, Blumenthal and LBJ National Historical Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
This storm is producing large hail. SEEK SHELTER NOW inside a sturdy
structure and stay away from windows.
&&
LAT...LON 3018 9877 3026 9882 3044 9861 3034 9849
TIME...MOT...LOC 0057Z 318DEG 30KT 3014 9850
HAIL...1.75IN
WIND...60MPH
$$
MORRIS/BFThe office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 9, 7:47 PM CDT | Severe Thunderstorm Warning | EWX | Blanco, Gillespie, Kendall | 58 min |
| May 9, 9:53 PM CDT | Special Weather Statement | EWX | Gillespie | 52 min |
| May 10, 3:19 PM CDT | Special Weather Statement | EWX | Real | 41 min |
| May 10, 3:44 PM CDT | Severe Thunderstorm Warning | EWX | Edwards, Real | 46 min |
| May 10, 4:21 PM CDT | Severe Thunderstorm Warning | EWX | Bandera, Kerr, Real | 37 min |
| May 10, 5:56 PM CDT | Special Weather Statement | EWX | Edwards | 49 min |
| May 10, 6:00 PM CDT | Severe Thunderstorm Warning | EWX | Edwards, Val Verde | 60 min |
| May 10, 6:17 PM CDT | Severe Thunderstorm Warning | EWX | Edwards, Val Verde | 58 min |
| May 10, 6:49 PM CDT | Special Weather Statement | EWX | Dimmit, Maverick | 41 min |
| May 10, 6:59 PM CDT | Severe Thunderstorm Warning | EWX | Dimmit, Maverick, Zavala | 61 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.