Alert archive / Texas / Tornado Warnings in 2021

Tornado Warning 10, NWS San Angelo, TX

May 17, 2021Haskell County, Texas

NWS San Angelo, TX issued this tornado warning at May 17, 2021, 6:45 PM CDT for Haskell County, Texas. It was in force for 30 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 17, 2021, 6:45 PM CDT (23:45 UTC)
Expired: May 17, 2021, 7:15 PM CDT
In force: 30 min
Issued by: NWS San Angelo, TX
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 2.75 in

County Haskell County, TX

The radar

The Dyess AFB radar (KDYX), 97 km from the middle of the area, began a volume at 23:46 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 17, 4:44 PM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 12:00Z, 11.8 hours before the alert went out and 235 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: 2 J/kg
Mixed-layer CIN: -203 J/kg
Mixed-layer LCL: 1295 m above ground
0-6 km bulk shear: 17 kt
0-1 km storm-relative helicity: -30 m²/s²
0-3 km storm-relative helicity: 2 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

643 
WFUS54 KSJT 172345
TORSJT
TXC207-180015-
/O.NEW.KSJT.TO.W.0010.210517T2345Z-210518T0015Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service San Angelo TX
645 PM CDT Mon May 17 2021

The National Weather Service in San Angelo has issued a

* Tornado Warning for...
  North central Haskell County in west central Texas...

* Until 715 PM CDT.
    
* At 644 PM CDT, a severe thunderstorm capable of producing a tornado
  was located near Rochester, moving east at 30 mph.

  HAZARD...Tornado and baseball size hail.

  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...
  Weinert around 700 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 3327 9985 3336 9984 3337 9959 3325 9960
TIME...MOT...LOC 2344Z 273DEG 27KT 3331 9979 

TORNADO...RADAR INDICATED
HAIL...2.75IN

$$

1 follow-up statement

160 
WWUS54 KSJT 180000
SVSSJT

Severe Weather Statement
National Weather Service San Angelo TX
700 PM CDT Mon May 17 2021

TXC207-180015-
/O.CON.KSJT.TO.W.0010.000000T0000Z-210518T0015Z/
Haskell TX-
700 PM CDT Mon May 17 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 715 PM CDT FOR NORTH
CENTRAL HASKELL COUNTY...
    
At 659 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Weinert, moving east at 20 mph.

HAZARD...Tornado and ping pong ball size hail.

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...
  Weinert around 705 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 3327 9977 3336 9976 3337 9959 3325 9960
TIME...MOT...LOC 2359Z 269DEG 17KT 3331 9971 

TORNADO...RADAR INDICATED
HAIL...1.50IN

$$

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 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

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.