Alert archive / Texas / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 2, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Jan 15, 2017, 4:52 PM CST for Val Verde County, Texas. It was in force for 38 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, 4:52 PM CST (22:52 UTC)
- Expired
- Jan 15, 2017, 5:30 PM CST
- In force
- 38 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Val Verde County, TX
The radar
The Laughlin AFB radar (KDFX), 84 km from the middle of the area, began a volume at 22:52 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 |
|---|---|---|---|
| Jan 15, 5:03 PM CST | HAIL 1 | 10 Sw Carta Valley, TX | NICKEL TO QUARTER SIZE HAIL REPORTED BY BORDER PATROL AGENTS ONE MILE SOUTH OF THE 277 AND 377 HIGHWAY INTERSECTION |
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, 10.9 hours before the alert went out and 44 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.
272
WUUS54 KEWX 152252
SVREWX
TXC465-160000-
/O.NEW.KEWX.SV.W.0002.170115T2252Z-170116T0000Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Austin/San Antonio TX
452 PM CST SUN JAN 15 2017
The National Weather Service in Austin San Antonio has issued a
* Severe Thunderstorm Warning for...
East central Val Verde County in south central Texas...
* Until 600 PM CST
* At 452 PM CST, a severe thunderstorm was located 11 miles east of
Comstock, moving northeast at 30 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* Locations impacted include...
Loma Alta, Pafford Crossing and Vinegarone.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 2975 10113 3001 10070 2967 10070 2961 10105
TIME...MOT...LOC 2252Z 234DEG 28KT 2974 10099
TORNADO...POSSIBLE
HAIL...1.00IN
WIND...60MPH
$$4 follow-up statements
787
WWUS54 KEWX 152303
SVSEWX
Severe Weather Statement
National Weather Service Austin/San Antonio TX
503 PM CST SUN JAN 15 2017
TXC465-160000-
/O.CON.KEWX.SV.W.0002.000000T0000Z-170116T0000Z/
Val Verde TX-
503 PM CST SUN JAN 15 2017
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM CST
FOR EAST CENTRAL VAL VERDE COUNTY...
At 502 PM CST, a severe thunderstorm was located 12 miles southwest
of Loma Alta, moving northeast at 30 mph.
HAZARD...Tennis ball size hail and 60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect wind
damage to roofs, siding, and trees.
Locations impacted include...
Loma Alta, Pafford Crossing and Vinegarone.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 2975 10113 3001 10070 2967 10070 2961 10105
TIME...MOT...LOC 2302Z 234DEG 28KT 2978 10092
TORNADO...POSSIBLE
HAIL...2.50IN
WIND...60MPH
$$344
WWUS54 KEWX 152310
SVSEWX
Severe Weather Statement
National Weather Service Austin/San Antonio TX
510 PM CST SUN JAN 15 2017
TXC465-160000-
/O.CON.KEWX.SV.W.0002.000000T0000Z-170116T0000Z/
Val Verde TX-
510 PM CST SUN JAN 15 2017
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM CST
FOR EAST CENTRAL VAL VERDE COUNTY...
At 510 PM CST, a severe thunderstorm was located 7 miles west of
Carta Valley, or 9 miles south of Loma Alta, moving east at 35 mph.
HAZARD...Tennis ball size hail and 60 mph wind gusts.
SOURCE...Radar indicated.
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 east
central Val Verde County.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 2978 10096 2996 10070 2967 10070 2964 10092
TIME...MOT...LOC 2310Z 251DEG 29KT 2978 10081
TORNADO...POSSIBLE
HAIL...2.50IN
WIND...60MPH
$$412
WWUS54 KEWX 152322
SVSEWX
Severe Weather Statement
National Weather Service Austin/San Antonio TX
522 PM CST SUN JAN 15 2017
TXC465-160000-
/O.CON.KEWX.SV.W.0002.000000T0000Z-170116T0000Z/
Val Verde TX-
522 PM CST SUN JAN 15 2017
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM CST
FOR EAST CENTRAL VAL VERDE COUNTY...
At 522 PM CST, a severe thunderstorm was located near Carta Valley,
or 12 miles south of Loma Alta, moving east at 30 mph.
HAZARD...Tennis ball size hail and 60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect wind
damage to roofs, siding, and trees.
This severe thunderstorm will remain over mainly rural areas of east
central Val Verde County.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 2980 10079 2982 10070 2967 10070 2969 10079
TIME...MOT...LOC 2322Z 265DEG 25KT 2975 10070
TORNADO...POSSIBLE
HAIL...2.50IN
WIND...60MPH
$$613
WWUS54 KEWX 152330
SVSEWX
Severe Weather Statement
National Weather Service Austin/San Antonio TX
530 PM CST SUN JAN 15 2017
TXC465-152338-
/O.CAN.KEWX.SV.W.0002.000000T0000Z-170116T0000Z/
Val Verde TX-
530 PM CST SUN JAN 15 2017
...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL VAL VERDE COUNTY
IS CANCELLED...
The storm which prompted the warning has moved out of the area.
Therefore the warning has been cancelled.
A severe thunderstorm watch remains in effect until 1000 PM CST for
south central Texas.
LAT...LON 2980 10079 2982 10070 2967 10070 2969 10079
TIME...MOT...LOC 2328Z 234DEG 28KT 2975 10065
$$The 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, 5:17 PM CST | Severe Thunderstorm Warning | EWX | Edwards | 43 min |
| Jan 15, 5:57 PM CST | Severe Thunderstorm Warning | EWX | Edwards | 33 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.