Alert archive / Texas / Tornado Warnings in 2017

Tornado Warning 1, NWS Austin/San Antonio, TX

January 15, 2017Kerr County, Texas

NWS Austin/San Antonio, TX issued this tornado warning at Jan 15, 2017, 7:48 PM CST for Kerr County, Texas. It was in force for 27 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: Jan 15, 2017, 7:48 PM CST (01:48 UTC)
Expired: Jan 15, 2017, 8:15 PM CST
In force: 27 min
Issued by: NWS Austin/San Antonio, TX
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

County Kerr County, TX

The radar

The Laughlin AFB radar (KDFX), 123 km from the middle of the area, began a volume at 01:52 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.

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
Jan 15, 6:00 PM CST	Tornado Watch	SPC	6 hr

The nearest sounding before it

Del Rio, TX (KDLF), launched 00:00Z, 1.8 hours before the alert went out and 162 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 540 J/kg
Mixed-layer CIN: -21 J/kg
Mixed-layer LCL: 1460 m above ground
0-6 km bulk shear: 0 kt
0-1 km storm-relative helicity: 0 m²/s²
0-3 km storm-relative helicity: 0 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

146 
WFUS54 KEWX 160148
TOREWX
TXC265-160215-
/O.NEW.KEWX.TO.W.0001.170116T0148Z-170116T0215Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Austin/San Antonio TX
748 PM CST SUN JAN 15 2017

The National Weather Service in Austin San Antonio has issued a

* Tornado Warning for...
  Central Kerr County in south central Texas...

* Until 815 PM CST
    
* At 748 PM CST, a severe thunderstorm capable of producing a tornado
  was located near Hunt, or 14 miles northwest of Medina, moving
  northeast at 20 mph.

  HAZARD...Tornado. 

  SOURCE...Radar indicated rotation. 

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely. 

* Locations impacted include...
  Hunt, Ingram and Waltonia. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 2994 9935 2999 9944 3013 9933 3004 9919
TIME...MOT...LOC 0148Z 222DEG 17KT 2999 9938 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

BMW

1 follow-up statement

910 
WWUS54 KEWX 160208
SVSEWX

Severe Weather Statement
National Weather Service Austin/San Antonio TX
808 PM CST SUN JAN 15 2017

TXC265-160217-
/O.EXP.KEWX.TO.W.0001.000000T0000Z-170116T0215Z/
Kerr TX-
808 PM CST SUN JAN 15 2017

...THE TORNADO WARNING FOR CENTRAL KERR COUNTY WILL EXPIRE AT 815 PM
CST...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore the warning will be allowed to expire.

A tornado watch remains in effect until midnight CST for south
central Texas.

LAT...LON 2994 9935 2999 9944 3013 9933 3004 9919
TIME...MOT...LOC 0207Z 222DEG 17KT 3005 9932 

$$

BW

The office that day

Everything else NWS Austin/San Antonio, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jan 15, 6:12 PM CST	Special Weather Statement	EWX	Edwards	48 min
Jan 15, 6:21 PM CST	Special Weather Statement	EWX	Kinney	39 min
Jan 15, 6:24 PM CST	Severe Thunderstorm Warning	EWX	Edwards, Real	66 min
Jan 15, 6:30 PM CST	Special Weather Statement	EWX	Edwards	60 min
Jan 15, 6:42 PM CST	Severe Thunderstorm Warning	EWX	Edwards, Kerr, Real	48 min
Jan 15, 6:43 PM CST	Special Weather Statement	EWX	Kimble	32 min
Jan 15, 6:48 PM CST	Special Weather Statement	EWX	Kinney	42 min
Jan 15, 7:00 PM CST	Severe Thunderstorm Warning	EWX	Kinney	28 min
Jan 15, 7:08 PM CST	Severe Thunderstorm Warning	EWX	Bandera	67 min
Jan 15, 7:13 PM CST	Severe Thunderstorm Warning	EWX	Kinney	47 min
Jan 15, 7:17 PM CST	Special Weather Statement	EWX	Edwards	43 min
Jan 15, 7:33 PM CST	Special Weather Statement	EWX	Kerr	42 min
Jan 15, 7:46 PM CST	Severe Thunderstorm Warning	EWX	Kinney	29 min
Jan 15, 7:59 PM CST	Severe Thunderstorm Warning	EWX	Kinney, Uvalde	46 min
Jan 15, 8:14 PM CST	Severe Thunderstorm Warning	EWX	Bandera, Kendall, Kerr	46 min
Jan 15, 8:16 PM CST	Special Weather Statement	EWX	Kerr, Real, Uvalde	44 min
Jan 15, 8:19 PM CST	Special Weather Statement	EWX	Kendall	41 min
Jan 15, 8:36 PM CST	Areal Flood Advisory	EWX	Bandera, Kerr, Real	3 hr
Jan 15, 8:56 PM CST	Special Weather Statement	EWX	Bandera, Gillespie, Kendall, Kerr, Medina, Uvalde	49 min
Jan 15, 8:59 PM CST	Severe Thunderstorm Warning	EWX	Kendall	46 min
Jan 15, 9:11 PM CST	Areal Flood Advisory	EWX	Kinney, Uvalde	3 hr
Jan 15, 9:27 PM CST	Tornado Warning	EWX	Kendall	33 min
Jan 15, 9:43 PM CST	Special Weather Statement	EWX	Bandera, Medina, Uvalde	62 min
Jan 15, 9:44 PM CST	Severe Thunderstorm Warning	EWX	Blanco, Comal, Kendall	46 min
Jan 15, 9:52 PM CST	Areal Flood Advisory	EWX	Bandera, Kendall, Kerr	3 hr
Jan 15, 10:22 PM CST	Special Weather Statement	EWX	Hays	38 min
Jan 15, 10:25 PM CST	Special Weather Statement	EWX	Bexar	50 min
Jan 15, 11:07 PM CST	Special Weather Statement	EWX	Hays, Travis	53 min
Jan 15, 11:16 PM CST	Special Weather Statement	EWX	Bexar, Comal	29 min
Jan 15, 11:21 PM CST	Areal Flood Advisory	EWX	Bexar	3 hr
Jan 15, 11:30 PM CST	Special Weather Statement	EWX	Bexar	45 min
Jan 15, 11:45 PM CST	Special Weather Statement	EWX	Bexar, Comal	30 min
Jan 16, 12:07 AM CST	Special Weather Statement	EWX	Williamson	38 min
Jan 16, 12:32 AM CST	Areal Flood Advisory	EWX	Comal, Hays	3 hr
Jan 16, 1:04 AM CST	Areal Flood Advisory	EWX	Bexar, Guadalupe	3 hr

Nearby

Tornado Warnings in Texas, 2017 Every tornado warning in 2017 Tornadoes 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.