Alert archive / Texas / Tornado Warnings in 2020

Tornado Warning 1, NWS Austin/San Antonio, TX

January 10, 2020Burnet County, Texas

NWS Austin/San Antonio, TX issued this tornado warning at Jan 10, 2020, 5:18 PM CST for Burnet 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 10, 2020, 5:18 PM CST (23:18 UTC)
Expired: Jan 10, 2020, 5:45 PM CST
In force: 27 min
Issued by: NWS Austin/San Antonio, TX
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

County Burnet County, TX

The radar

The Ft Hood radar (KGRK), 91 km from the middle of the area, began a volume at 23:20 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 10, 3:30 PM CST	Severe Thunderstorm Watch	SPC	68 days

The nearest sounding before it

Fort Worth, TX (KFWD), launched 12:00Z, 11.3 hours before the alert went out and 229 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: 844 J/kg
Mixed-layer CIN: -83 J/kg
Mixed-layer LCL: 727 m above ground
0-6 km bulk shear: 51 kt
0-1 km storm-relative helicity: 305 m²/s²
0-3 km storm-relative helicity: 327 m²/s²
Significant tornado parameter: 1.1
Supercell composite: 10.6

Open this sounding in Storm Lab

The text

As transmitted.

762 
WFUS54 KEWX 102318
TOREWX
TXC053-102345-
/O.NEW.KEWX.TO.W.0001.200110T2318Z-200110T2345Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Austin/San Antonio TX
518 PM CST Fri Jan 10 2020

The National Weather Service in Austin San Antonio has issued a

* Tornado Warning for...
  Northwestern Burnet County in south central Texas...

* Until 545 PM CST.
    
* At 518 PM CST, a severe thunderstorm capable of producing a tornado
  was located 8 miles northeast of Tow, or 12 miles north of Buchanan
  Dam, moving northeast at 40 mph.

  HAZARD...Tornado and quarter size hail.

  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.

* This tornadic thunderstorm will remain over mainly rural areas of
  northwestern Burnet County.

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 3089 9836 3096 9843 3103 9837 3103 9797
TIME...MOT...LOC 2318Z 229DEG 37KT 3096 9836 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

HAMPSHIRE

3 follow-up statements

304 
WWUS54 KEWX 102325
SVSEWX

Severe Weather Statement
National Weather Service Austin/San Antonio TX
525 PM CST Fri Jan 10 2020

TXC053-102345-
/O.CON.KEWX.TO.W.0001.000000T0000Z-200110T2345Z/
Burnet TX-
525 PM CST Fri Jan 10 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 545 PM CST FOR NORTH
CENTRAL BURNET COUNTY...
    
At 525 PM CST, a severe thunderstorm capable of producing a tornado
was located 7 miles northwest of Lake Victor, or 7 miles southwest of
Lampasas, moving northeast at 45 mph.

HAZARD...Tornado and quarter size hail.

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.

This tornadic thunderstorm will remain over mainly rural areas of
north central Burnet County.

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 3091 9830 3095 9834 3103 9837 3103 9797
TIME...MOT...LOC 2325Z 246DEG 39KT 3099 9828 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

HAMPSHIRE

790 
WWUS54 KEWX 102330
SVSEWX

Severe Weather Statement
National Weather Service Austin/San Antonio TX
530 PM CST Fri Jan 10 2020

TXC053-102345-
/O.CON.KEWX.TO.W.0001.000000T0000Z-200110T2345Z/
Burnet TX-
530 PM CST Fri Jan 10 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 545 PM CST FOR NORTH
CENTRAL BURNET COUNTY...
    
At 530 PM CST, a severe thunderstorm capable of producing a tornado
was located near Lampasas, moving east at 45 mph.

HAZARD...Tornado and quarter size hail.

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.

This tornadic thunderstorm will remain over mainly rural areas of
north central Burnet County.

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 3095 9823 3096 9829 3103 9831 3103 9797
      3095 9819
TIME...MOT...LOC 2330Z 251DEG 41KT 3101 9823 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

HAMPSHIRE

677 
WWUS54 KEWX 102341
SVSEWX

Severe Weather Statement
National Weather Service Austin/San Antonio TX
541 PM CST Fri Jan 10 2020

TXC053-102351-
/O.EXP.KEWX.TO.W.0001.000000T0000Z-200110T2345Z/
Burnet TX-
541 PM CST Fri Jan 10 2020

...THE TORNADO WARNING FOR NORTH CENTRAL BURNET COUNTY WILL EXPIRE AT
545 PM CST...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.

A Severe Thunderstorm Watch remains in effect until 1000 PM CST for
south central Texas.

LAT...LON 3095 9823 3096 9829 3103 9831 3103 9797
      3095 9819
TIME...MOT...LOC 2341Z 229DEG 37KT 3108 9814 

$$

HAMPSHIRE

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 10, 3:37 PM CST	Special Weather Statement	EWX	Gillespie, Kerr, Llano	38 min
Jan 10, 4:00 PM CST	Severe Thunderstorm Warning	EWX	Gillespie, Llano	75 min
Jan 10, 5:06 PM CST	Special Weather Statement	EWX	Bandera	54 min
Jan 10, 5:07 PM CST	Severe Thunderstorm Warning	EWX	Burnet, Llano	38 min
Jan 10, 5:14 PM CST	Severe Thunderstorm Warning	EWX	Blanco, Gillespie	61 min
Jan 10, 5:26 PM CST	Severe Thunderstorm Warning	EWX	Kendall, Kerr	49 min
Jan 10, 5:35 PM CST	Special Weather Statement	EWX	Medina	40 min
Jan 10, 5:42 PM CST	Severe Thunderstorm Warning	EWX	Bandera, Medina	63 min
Jan 10, 5:54 PM CST	Severe Thunderstorm Warning	EWX	Kendall, Kerr	51 min

Nearby

Tornado Warnings in Texas, 2020 Every tornado warning in 2020 Tornadoes in 2020

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.