Alert archive / Texas / Tornado Warnings in 2021

Tornado Warning 9, NWS San Angelo, TX

May 16, 2021Haskell County, Jones County, Texas

NWS San Angelo, TX issued this tornado warning at May 16, 2021, 10:46 PM CDT for Haskell County, Jones County, Texas. It was in force for 44 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, 10:46 PM CDT (03:46 UTC)
Expired: May 16, 2021, 11:30 PM CDT
In force: 44 min
Issued by: NWS San Angelo, TX
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

Counties Haskell County, TX, Jones County, TX

The radar

The Dyess AFB radar (KDYX), 67 km from the middle of the area, began a volume at 03:46 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, 3.8 hours before the alert went out and 233 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.

908 
WFUS54 KSJT 170346
TORSJT
TXC207-253-170430-
/O.NEW.KSJT.TO.W.0009.210517T0346Z-210517T0430Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service San Angelo TX
1046 PM CDT Sun May 16 2021

The National Weather Service in San Angelo has issued a

* Tornado Warning for...
  South central Haskell County in west central Texas...
  Northeastern Jones County in west central Texas...

* Until 1130 PM CDT.
    
* At 1045 PM CDT, a severe thunderstorm capable of producing a
  tornado was located over Stamford, moving east at 15 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 dangerous storm will be near...
  Stamford around 1130 PM CDT.

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 3291 9987 3299 9989 3302 9965 3288 9966
TIME...MOT...LOC 0345Z 266DEG 13KT 3295 9981 

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

$$

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, 10:03 PM CDT	Severe Thunderstorm Warning	SJT	Haskell, Jones, Shackelford	42 min
May 16, 10:29 PM CDT	Severe Thunderstorm Warning	SJT	Haskell	36 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

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