Alert archive / Texas / Tornado Warnings in 2021

Tornado Warning 19, NWS Houston/Galveston, TX

June 5, 2021Austin County, Colorado County, Texas

NWS Houston/Galveston, TX issued this tornado warning at Jun 5, 2021, 8:48 PM CDT for Austin County, Colorado 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
Jun 5, 2021, 8:48 PM CDT (01:48 UTC)
Expired
Jun 5, 2021, 9:15 PM CDT
In force
27 min
Issued by
NWS Houston/Galveston, TX
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Austin County, TX, Colorado County, TX

The radar

The Ft Hood radar (KGRK), 131 km from the middle of the area, began a volume at 01:50 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 nearest sounding before it

Corpus Christi, TX (KCRP), launched 00:00Z, 1.8 hours before the alert went out and 249 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 2021-06-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1246 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 2021-06-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -11 square meters per square second.19395878Sfc1 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
1246 J/kg
Mixed-layer CIN
-22 J/kg
Mixed-layer LCL
1083 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
-11 m²/s²
0-3 km storm-relative helicity
45 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.1

Open this sounding in Storm Lab

The text

As transmitted.

306 
WFUS54 KHGX 060148
TORHGX
TXC015-089-060215-
/O.NEW.KHGX.TO.W.0019.210606T0148Z-210606T0215Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Houston/Galveston TX
848 PM CDT Sat Jun 5 2021

The National Weather Service in League City has issued a

* Tornado Warning for...
  North central Colorado County in southeastern Texas...
  Northwestern Austin County in southeastern Texas...

* Until 915 PM CDT.
    
* At 848 PM CDT, a severe thunderstorm capable of producing a tornado
  was located 9 miles north of Columbus, moving northeast at 10 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.

* This tornadic thunderstorm will remain over mainly rural areas of
  north central Colorado and northwestern Austin Counties, including
  the following locations... New Ulm, Frelsburg and Cat Spring.

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.

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 2975 9653 2985 9661 3000 9643 2984 9629
TIME...MOT...LOC 0148Z 234DEG 9KT 2984 9653 

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

$$
1 follow-up statement
670 
WWUS54 KHGX 060202
SVSHGX

Severe Weather Statement
National Weather Service Houston/Galveston TX
902 PM CDT Sat Jun 5 2021

TXC015-089-060215-
/O.CON.KHGX.TO.W.0019.000000T0000Z-210606T0215Z/
Colorado TX-Austin TX-
902 PM CDT Sat Jun 5 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 915 PM CDT FOR NORTH
CENTRAL COLORADO AND CENTRAL AUSTIN COUNTIES...
    
At 901 PM CDT, a severe thunderstorm capable of producing a tornado
was located 7 miles south of Industry, or 11 miles north of Columbus,
moving northeast at 10 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...
Cat Spring.

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.

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 2977 9647 2985 9652 2994 9638 2984 9629
TIME...MOT...LOC 0201Z 234DEG 9KT 2986 9650 

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

$$

The office that day

Everything else NWS Houston/Galveston, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 5, 7:58 PM CDTAreal Flood AdvisoryHGXHarris, Montgomery2 hr
Jun 5, 8:36 PM CDTSpecial Weather StatementHGXAustin39 min
Jun 5, 9:11 PM CDTTornado WarningHGXAustin, Colorado16 min
Jun 5, 9:24 PM CDTTornado WarningHGXAustin, Colorado, Waller36 min
Jun 5, 9:51 PM CDTSpecial Weather StatementHGXWaller39 min
Jun 5, 10:30 PM CDTSpecial Weather StatementHGXFort Bend30 min
Jun 5, 11:07 PM CDTAreal Flood AdvisoryHGXAustin, Colorado, Fort Bend, Waller3 hr
Jun 6, 5:30 PM CDTSpecial Weather StatementHGXLiberty45 min

Nearby

Tornado Warnings in Texas, 2021Every tornado warning in 2021Tornadoes in 2021

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.