Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 64, NWS Houston/Galveston, TX

June 3, 2021Austin County, Waller County, Washington County, Texas

NWS Houston/Galveston, TX issued this severe thunderstorm warning at Jun 3, 2021, 12:10 AM CDT for Austin County, Waller County, Washington County, Texas. It was in force for 35 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 3, 2021, 12:10 AM CDT (05:10 UTC)
Expired: Jun 3, 2021, 12:45 AM CDT
In force: 35 min
Issued by: NWS Houston/Galveston, TX
Area: Storm-based polygon
Hail: 1.0 in
Wind: 50.0 mph

Counties Austin County, TX, Waller County, TX, Washington County, TX

The radar

The Houston radar (KHGX), 110 km from the middle of the area, began a volume at 05:10 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, 5.2 hours before the alert went out and 275 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: 1982 J/kg
Mixed-layer CIN: -13 J/kg
Mixed-layer LCL: 1004 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 7 m²/s²
0-3 km storm-relative helicity: -2 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 1.0

Open this sounding in Storm Lab

The text

As transmitted.

662 
WUUS54 KHGX 030510
SVRHGX
TXC015-473-477-030545-
/O.NEW.KHGX.SV.W.0064.210603T0510Z-210603T0545Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Houston/Galveston TX
1210 AM CDT Thu Jun 3 2021

The National Weather Service in League City has issued a

* Severe Thunderstorm Warning for...
  Northeastern Austin County in southeastern Texas...
  Southeastern Washington County in southeastern Texas...
  Southern Waller County in southeastern Texas...

* Until 1245 AM CDT.

* At 1210 AM CDT, a severe thunderstorm was located near Bellville,
  moving southeast at 30 mph.

  HAZARD...Quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Damage to vehicles is expected.

* Locations impacted include...
  Sealy, Bellville, San Felipe, Pattison and Monaville. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3007 9619 2996 9589 2990 9587 2970 9606
      2994 9627
TIME...MOT...LOC 0510Z 305DEG 24KT 2998 9619 

HAIL...1.00IN
WIND...<50MPH
 
$$
Cady

2 follow-up statements

321 
WWUS54 KHGX 030535
SVSHGX

Severe Weather Statement
National Weather Service Houston/Galveston TX
1235 AM CDT Thu Jun 3 2021

TXC477-030545-
/O.CAN.KHGX.SV.W.0064.000000T0000Z-210603T0545Z/
Washington TX-
1235 AM CDT Thu Jun 3 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN WASHINGTON COUNTY
IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

LAT...LON 2996 9589 2990 9587 2970 9606 2988 9621
      3003 9608
TIME...MOT...LOC 0535Z 305DEG 24KT 2989 9605 

$$

TXC015-473-030545-
/O.CON.KHGX.SV.W.0064.000000T0000Z-210603T0545Z/
Austin TX-Waller TX-
1235 AM CDT Thu Jun 3 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1245 AM CDT
FOR EAST CENTRAL AUSTIN AND SOUTHERN WALLER COUNTIES...

At 1235 AM CDT, a severe thunderstorm was located near Pattison, or 9
miles northwest of Brookshire, moving southeast at 30 mph.

HAZARD...Quarter size hail.

SOURCE...Radar indicated.

IMPACT...Damage to vehicles is expected.

Locations impacted include...
San Felipe, Pattison and Monaville. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 2996 9589 2990 9587 2970 9606 2988 9621
      3003 9608
TIME...MOT...LOC 0535Z 305DEG 24KT 2989 9605 

HAIL...1.00IN
WIND...<50MPH
 
$$
Cady

658 
WWUS54 KHGX 030542
SVSHGX

Severe Weather Statement
National Weather Service Houston/Galveston TX
1242 AM CDT Thu Jun 3 2021

TXC015-473-030552-
/O.EXP.KHGX.SV.W.0064.000000T0000Z-210603T0545Z/
Austin TX-Waller TX-
1242 AM CDT Thu Jun 3 2021

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL AUSTIN AND
SOUTHERN WALLER COUNTIES WILL EXPIRE AT 1245 AM CDT...
        
The storm which prompted the warning has weakened below severe 
limits. Therefore, the warning will be allowed to expire.  However 
small hail is still possible with this thunderstorm.

LAT...LON 2996 9589 2990 9587 2970 9606 2988 9621
      3003 9608
TIME...MOT...LOC 0542Z 305DEG 24KT 2987 9602 

$$
Cady

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 2, 7:01 PM CDT	Severe Thunderstorm Warning	HGX	Burleson	29 min
Jun 2, 7:23 PM CDT	Areal Flood Advisory	HGX	Harris, Montgomery	3 hr
Jun 2, 7:29 PM CDT	Special Weather Statement	HGX	Burleson	46 min
Jun 2, 7:45 PM CDT	Areal Flood Advisory	HGX	Harris	3 hr
Jun 2, 8:09 PM CDT	Special Weather Statement	HGX	Harris	36 min
Jun 2, 8:43 PM CDT	Special Weather Statement	HGX	Harris	47 min
Jun 2, 8:57 PM CDT	Special Marine Warning	HGX		63 min
Jun 2, 9:01 PM CDT	Severe Thunderstorm Warning	HGX	Chambers, Galveston, Harris	29 min
Jun 2, 9:29 PM CDT	Special Weather Statement	HGX	Chambers	46 min
Jun 2, 9:32 PM CDT	Special Marine Warning	HGX		19 min
Jun 2, 10:16 PM CDT	Special Weather Statement	HGX	Washington	44 min
Jun 2, 10:53 PM CDT	Special Weather Statement	HGX	Waller	52 min
Jun 2, 11:08 PM CDT	Special Weather Statement	HGX	Washington	37 min
Jun 2, 11:23 PM CDT	Areal Flood Advisory	HGX	Harris, Waller	3 hr
Jun 2, 11:38 PM CDT	Severe Thunderstorm Warning	HGX	Austin, Washington	52 min
Jun 2, 11:43 PM CDT	Special Weather Statement	HGX	Austin, Colorado, Waller, Washington	62 min
Jun 3, 12:01 AM CDT	Areal Flood Advisory	HGX	Washington	3 hr
Jun 3, 12:41 AM CDT	Areal Flood Advisory	HGX	Austin, Waller, Washington	3 hr
Jun 3, 12:45 AM CDT	Special Weather Statement	HGX	Fort Bend	45 min
Jun 3, 1:41 AM CDT	River Flood Warning	HGX	Burleson, Lee	55 hr
Jun 3, 2:18 AM CDT	Special Weather Statement	HGX	Harris	27 min
Jun 3, 2:00 PM CDT	Special Weather Statement	HGX	Harris, Liberty	45 min
Jun 3, 2:20 PM CDT	Special Weather Statement	HGX	Washington	40 min
Jun 3, 2:32 PM CDT	Areal Flood Advisory	HGX	Colorado	118 min
Jun 3, 2:45 PM CDT	Areal Flood Advisory	HGX	Harris, Montgomery	4 hr
Jun 3, 3:36 PM CDT	Areal Flood Advisory	HGX	Harris, Liberty, Montgomery	3 hr
Jun 3, 4:19 PM CDT	Areal Flood Advisory	HGX	Austin, Harris, Waller, Washington	116 min
Jun 3, 5:02 PM CDT	Areal Flood Advisory	HGX	Brazos, Grimes, Harris, Montgomery, Walker, Waller and 1 more	3 hr
Jun 3, 5:50 PM CDT	Special Weather Statement	HGX	Walker	25 min
Jun 3, 6:06 PM CDT	Special Weather Statement	HGX	Harris	39 min
Jun 3, 6:15 PM CDT	Areal Flood Advisory	HGX	Fort Bend, Harris, Waller	3 hr
Jun 3, 6:21 PM CDT	River Flood Warning	HGX	Harris	27 hr
Jun 3, 6:27 PM CDT	Special Weather Statement	HGX	Walker	33 min
Jun 3, 6:36 PM CDT	Special Marine Warning	HGX		39 min
Jun 3, 6:45 PM CDT	Special Weather Statement	HGX	Walker	60 min

Nearby

Severe Thunderstorm Warnings in Texas, 2021 Every severe thunderstorm warning 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.