Alert archive / Texas / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 4, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Jan 15, 2017, 5:57 PM CST for Edwards County, Texas. It was in force for 33 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
- Jan 15, 2017, 5:57 PM CST (23:57 UTC)
- Expired
- Jan 15, 2017, 6:30 PM CST
- In force
- 33 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 2.5 in
- Wind
- 60.0 mph
County Edwards County, TX
The radar
The Laughlin AFB radar (KDFX), 63 km from the middle of the area, began a volume at 23:55 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 |
|---|---|---|---|
| Jan 15, 6:25 PM CST | HAIL 1 | 2 Nw Vance, TX | PUBLIC REPORT OF A LARGE AMOUNT OF HAIL. MOST THE SIZE OF PEAS TO MARBLES...BUT LARGEST HAIL STONES WERE QUARTER SIZE. |
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 |
|---|---|---|---|
| Jan 15, 2:54 PM CST | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Del Rio, TX (KDLF), launched 12:00Z, 12.0 hours before the alert went out and 89 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
- 48 J/kg
- Mixed-layer CIN
- -160 J/kg
- Mixed-layer LCL
- 686 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 299 m²/s²
- 0-3 km storm-relative helicity
- 400 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted.
077
WUUS54 KEWX 152357
SVREWX
TXC137-160030-
/O.NEW.KEWX.SV.W.0004.170115T2357Z-170116T0030Z/
BULLETIN - EAS ACTIVATION REQUESTED
Severe Thunderstorm Warning
National Weather Service Austin/San Antonio TX
557 PM CST SUN JAN 15 2017
The National Weather Service in Austin San Antonio has issued a
* Severe Thunderstorm Warning for...
South central Edwards County in south central Texas...
* Until 630 PM CST
* At 556 PM CST, a severe thunderstorm was located 17 miles west of
Barksdale, or 17 miles south of Rocksprings, moving east at 40 mph.
HAZARD...Tennis 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.
* This severe thunderstorm will remain over mainly rural areas of
south central Edwards County.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 2993 10000 2990 10000 2989 10002 2985 10002
2985 10003 2980 10001 2978 10003 2975 10002
2974 10003 2972 10002 2971 10006 2969 10004
2969 10038 2987 10040
TIME...MOT...LOC 2356Z 262DEG 36KT 2978 10031
TORNADO...POSSIBLE
HAIL...2.50IN
WIND...60MPH
$$
BMW1 follow-up statement
341
WWUS54 KEWX 160016
SVSEWX
Severe Weather Statement
National Weather Service Austin/San Antonio TX
616 PM CST SUN JAN 15 2017
TXC137-160030-
/O.CON.KEWX.SV.W.0004.000000T0000Z-170116T0030Z/
Edwards TX-
616 PM CST SUN JAN 15 2017
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM CST
FOR SOUTH CENTRAL EDWARDS COUNTY...
At 615 PM CST, a severe thunderstorm was located near Vance, or 16
miles south of Rocksprings, moving east at 35 mph.
HAZARD...Tennis ball size hail and 60 mph wind gusts.
SOURCE...Trained weather spotters.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect wind
damage to roofs, siding, and trees.
This severe thunderstorm will remain over mainly rural areas of south
central Edwards County.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.
For your protection move to an interior room on the lowest floor of a
building.
&&
A tornado watch remains in effect until midnight CST for south
central Texas.
LAT...LON 2993 10000 2990 10000 2989 10002 2985 10002
2985 10003 2980 10001 2978 10003 2975 10002
2974 10003 2972 10002 2971 10006 2969 10004
2969 10024 2989 10025
TIME...MOT...LOC 0015Z 262DEG 32KT 2980 10012
TORNADO...POSSIBLE
HAIL...2.50IN
WIND...60MPH
$$
BMWThe office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 15, 2:57 PM CST | Special Weather Statement | EWX | Val Verde | 48 min |
| Jan 15, 4:22 PM CST | Special Weather Statement | EWX | Val Verde | 38 min |
| Jan 15, 4:42 PM CST | Special Weather Statement | EWX | Val Verde | 48 min |
| Jan 15, 4:52 PM CST | Severe Thunderstorm Warning | EWX | Val Verde | 38 min |
| Jan 15, 5:17 PM CST | Severe Thunderstorm Warning | EWX | Edwards | 43 min |
Nearby
Severe Thunderstorm Warnings in Texas, 2017Every severe thunderstorm warning in 2017
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.