Alert archive / Texas / Tornado Warnings in 2020

Tornado Warning 4, NWS Austin/San Antonio, TX

January 10, 2020Caldwell County, Gonzales County, Guadalupe County, Texas

NWS Austin/San Antonio, TX issued this tornado warning at Jan 10, 2020, 8:32 PM CST for Caldwell County, Gonzales County, Guadalupe County, Texas. It was in force for 28 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, 8:32 PM CST (02:32 UTC)
Expired
Jan 10, 2020, 9:00 PM CST
In force
28 min
Issued by
NWS Austin/San Antonio, TX
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Caldwell County, TX, Gonzales County, TX, Guadalupe County, TX

The radar

The Austin/San Antonio radar (KEWX), 44 km from the middle of the area, began a volume at 02:35 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.

IssuedProductOfficeLasted
Jan 10, 3:30 PM CSTSevere Thunderstorm WatchSPC68 days

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 00:00Z, 2.5 hours before the alert went out and 210 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-pSkew-T log-p diagram, Corpus Christi, TX at 00:00Z on 2020-01-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1973 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Corpus Christi, TX at 00:00Z on 2020-01-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 365 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
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
1973 J/kg
Mixed-layer CIN
-274 J/kg
Mixed-layer LCL
652 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
365 m²/s²
0-3 km storm-relative helicity
441 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.1

Open this sounding in Storm Lab

The text

As transmitted.

870 
WFUS54 KEWX 110232
TOREWX
TXC055-177-187-110300-
/O.NEW.KEWX.TO.W.0004.200111T0232Z-200111T0300Z/

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

The National Weather Service in Austin San Antonio has issued a

* Tornado Warning for...
  Southeastern Caldwell County in south central Texas...
  East central Guadalupe County in south central Texas...
  Northwestern Gonzales County in south central Texas...

* Until 900 PM CST.
    
* At 831 PM CST, a severe thunderstorm capable of producing a tornado
  was located near Kingsbury, or 8 miles southwest of Luling, moving
  east at 45 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...
  Gonzales, Luling, Kingsbury, Palmeto State Park, Thompsonville,
  Ottine and McNeil.

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 2959 9782 2964 9781 2976 9737 2960 9732
      2948 9738
TIME...MOT...LOC 0231Z 271DEG 39KT 2962 9778 

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

$$

HAMPSHIRE
2 follow-up statements
588 
WWUS54 KEWX 110238
SVSEWX

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

TXC055-177-187-110300-
/O.CON.KEWX.TO.W.0004.000000T0000Z-200111T0300Z/
Caldwell TX-Guadalupe TX-Gonzales TX-
838 PM CST Fri Jan 10 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 900 PM CST FOR
SOUTHEASTERN CALDWELL...EAST CENTRAL GUADALUPE AND NORTH CENTRAL
GONZALES COUNTIES...
    
At 837 PM CST, a severe thunderstorm capable of producing a tornado
was located near Luling, moving east at 45 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...
Gonzales, Luling, Palmeto State Park, Thompsonville and Ottine. 

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 2959 9775 2964 9775 2974 9737 2960 9732
      2949 9738
TIME...MOT...LOC 0237Z 271DEG 39KT 2962 9769 

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

$$

HAMPSHIRE
425 
WWUS54 KEWX 110245
SVSEWX

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

TXC187-110255-
/O.CAN.KEWX.TO.W.0004.000000T0000Z-200111T0300Z/
Guadalupe TX-
845 PM CST Fri Jan 10 2020

...THE TORNADO WARNING FOR EAST CENTRAL GUADALUPE COUNTY IS
CANCELLED...
    
The tornadic 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 CST for
south central Texas.

LAT...LON 2949 9738 2958 9767 2960 9767 2965 9763
      2966 9764 2965 9764 2966 9765 2967 9765
      2974 9737 2960 9732
TIME...MOT...LOC 0245Z 271DEG 39KT 2962 9759 

$$

TXC055-177-110300-
/O.CON.KEWX.TO.W.0004.000000T0000Z-200111T0300Z/
Caldwell TX-Gonzales TX-
845 PM CST Fri Jan 10 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 900 PM CST FOR
SOUTHEASTERN CALDWELL AND NORTH CENTRAL GONZALES COUNTIES...
    
At 845 PM CST, a severe thunderstorm capable of producing a tornado
was located over Palmeto State Park, or near Luling, moving east at
45 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...
Gonzales, Luling, Palmeto State Park, Thompsonville and Ottine. 

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 2949 9738 2958 9767 2960 9767 2965 9763
      2966 9764 2965 9764 2966 9765 2967 9765
      2974 9737 2960 9732
TIME...MOT...LOC 0245Z 271DEG 39KT 2962 9759 

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

$$

HAMPSHIRE

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 10, 6:07 PM CSTSpecial Weather StatementEWXZavala38 min
Jan 10, 6:13 PM CSTSpecial Weather StatementEWXBlanco62 min
Jan 10, 6:23 PM CSTSpecial Weather StatementEWXUvalde37 min
Jan 10, 6:45 PM CSTSpecial Weather StatementEWXKendall, Medina60 min
Jan 10, 6:46 PM CSTSevere Thunderstorm WarningEWXBlanco, Comal, Hays, Kendall38 min
Jan 10, 6:52 PM CSTSevere Thunderstorm WarningEWXFrio, Medina38 min
Jan 10, 6:52 PM CSTTornado WarningEWXKendall23 min
Jan 10, 7:03 PM CSTSevere Thunderstorm WarningEWXBlanco, Kendall42 min
Jan 10, 7:19 PM CSTSevere Thunderstorm WarningEWXAtascosa, Bexar, Medina56 min
Jan 10, 7:34 PM CSTSpecial Weather StatementEWXComal26 min
Jan 10, 7:49 PM CSTSevere Thunderstorm WarningEWXCaldwell, Hays41 min
Jan 10, 7:53 PM CSTSevere Thunderstorm WarningEWXBexar, Comal, Gonzales, Guadalupe, Hays, Wilson37 min
Jan 10, 8:03 PM CSTTornado WarningEWXGuadalupe27 min
Jan 10, 8:08 PM CSTSpecial Weather StatementEWXTravis, Williamson52 min
Jan 10, 8:13 PM CSTAreal Flood AdvisoryEWXTravis, Williamson4 hr
Jan 10, 8:26 PM CSTSevere Thunderstorm WarningEWXBastrop, Caldwell, Gonzales, Guadalupe, Hays, Travis and 1 more49 min
Jan 10, 9:01 PM CSTSevere Thunderstorm WarningEWXBastrop, DeWitt, Fayette, Gonzales, Lavaca, Lee74 min

Nearby

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