Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 95, NWS San Angelo, TX

May 16, 2021Haskell County, Jones County, Shackelford County, Texas

NWS San Angelo, TX issued this severe thunderstorm warning at May 16, 2021, 10:03 PM CDT for Haskell County, Jones County, Shackelford County, Texas. It was in force for 42 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: May 16, 2021, 10:03 PM CDT (03:03 UTC)
Expired: May 16, 2021, 10:45 PM CDT
In force: 42 min
Issued by: NWS San Angelo, TX
Area: Storm-based polygon
Hail: 1.25 in
Wind: 60.0 mph

Counties Haskell County, TX, Jones County, TX, Shackelford County, TX

The radar

The Dyess AFB radar (KDYX), 69 km from the middle of the area, began a volume at 03:03 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
May 16, 9:38 PM CDT	Severe Thunderstorm Watch	SPC	4 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 3.1 hours before the alert went out and 225 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: 496 J/kg
Mixed-layer CIN: -83 J/kg
Mixed-layer LCL: 815 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 58 m²/s²
0-3 km storm-relative helicity: 137 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.8

Open this sounding in Storm Lab

The text

As transmitted.

882 
WUUS54 KSJT 170303
SVRSJT
TXC207-253-417-170345-
/O.NEW.KSJT.SV.W.0095.210517T0303Z-210517T0345Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service San Angelo TX
1003 PM CDT Sun May 16 2021

The National Weather Service in San Angelo has issued a

* Severe Thunderstorm Warning for...
  Southeastern Haskell County in west central Texas...
  Northeastern Jones County in west central Texas...
  Northwestern Shackelford County in west central Texas...

* Until 1045 PM CDT.

* At 1002 PM CDT, a severe thunderstorm was located near Sagerton,
  moving northeast at 35 mph.

  HAZARD...60 mph wind gusts and half dollar size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* Locations impacted include...
  Haskell, Stamford, Irby, Lake Stamford Marina, Paint Creek,
  Sagerton and Tuxedo.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3335 9958 3305 9947 3296 9947 3296 9944
      3295 9943 3281 9993 3296 10001 3296 9999
      3309 9999
TIME...MOT...LOC 0302Z 237DEG 34KT 3301 9993 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.25 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

JW

1 follow-up statement

108 
WWUS54 KSJT 170327
SVSSJT

Severe Weather Statement
National Weather Service San Angelo TX
1027 PM CDT Sun May 16 2021

TXC207-253-417-170345-
/O.CON.KSJT.SV.W.0095.000000T0000Z-210517T0345Z/
Haskell TX-Jones TX-Shackelford TX-
1027 PM CDT Sun May 16 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1045 PM CDT
FOR SOUTHEASTERN HASKELL...NORTHEASTERN JONES AND NORTHWESTERN
SHACKELFORD COUNTIES...

At 1026 PM CDT, a severe thunderstorm was located near Sagerton,
moving northeast at 30 mph.

HAZARD...60 mph wind gusts and half dollar size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
Haskell, Stamford, Irby, Lake Stamford Marina, Paint Creek, Sagerton
and Tuxedo.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3335 9958 3305 9947 3296 9947 3296 9944
      3295 9943 3281 9993 3296 10001 3296 9999
      3309 9999
TIME...MOT...LOC 0326Z 238DEG 14KT 3301 9989 

TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.25 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

JW

The office that day

Everything else NWS San Angelo, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 16, 7:58 PM CDT	Special Weather Statement	SJT	Sterling	17 min
May 16, 8:33 PM CDT	Severe Thunderstorm Warning	SJT	Fisher, Nolan	42 min
May 16, 9:12 PM CDT	Severe Thunderstorm Warning Considerable damage threat	SJT	Fisher	48 min
May 16, 9:16 PM CDT	Severe Thunderstorm Warning	SJT	Fisher, Jones	44 min
May 16, 10:29 PM CDT	Severe Thunderstorm Warning	SJT	Haskell	36 min
May 16, 10:46 PM CDT	Tornado Warning	SJT	Haskell, Jones	44 min
May 17, 2:02 AM CDT	Severe Thunderstorm Warning	SJT	Fisher	45 min
May 17, 2:38 AM CDT	Special Weather Statement	SJT	Shackelford	52 min
May 17, 4:34 AM CDT	Special Weather Statement	SJT	Callahan	41 min
May 17, 6:28 AM CDT	Special Weather Statement	SJT	Runnels	47 min
May 17, 7:01 AM CDT	Areal Flood Advisory	SJT	Runnels	119 min
May 17, 7:19 AM CDT	Areal Flood Advisory	SJT	Callahan, Jones, Shackelford, Taylor	116 min
May 17, 8:22 AM CDT	Areal Flood Advisory	SJT	Brown, Callahan, Coleman, Runnels	113 min
May 17, 8:30 AM CDT	Special Weather Statement	SJT	Coleman	45 min
May 17, 9:37 AM CDT	Areal Flood Advisory	SJT	Brown, Coleman, McCulloch, San Saba	113 min
May 17, 10:17 AM CDT	Special Weather Statement	SJT	San Saba	43 min
May 17, 10:22 AM CDT	Special Weather Statement	SJT	San Saba	53 min
May 17, 10:50 AM CDT	Areal Flood Advisory	SJT	San Saba	115 min
May 17, 1:50 PM CDT	Flash Flood Watch	SJT	Brown, Callahan, Coke, Coleman, Concho, Fisher and 16 more	20 hr
May 17, 5:47 PM CDT	Special Weather Statement	SJT	Fisher	43 min
May 17, 5:59 PM CDT	Severe Thunderstorm Warning	SJT	Fisher, Nolan	61 min
May 17, 6:12 PM CDT	Severe Thunderstorm Warning	SJT	Sterling	33 min
May 17, 6:23 PM CDT	Severe Thunderstorm Warning	SJT	Haskell	52 min
May 17, 6:45 PM CDT	Tornado Warning	SJT	Haskell	30 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.