Alert archive / Texas / Special Weather Statements in 2021

Special Weather Statement, NWS San Angelo, TX

May 31, 2021Throckmorton County, Texas

NWS San Angelo, TX issued this special weather statement at May 31, 2021, 4:49 AM CDT for Throckmorton County, Texas. It was in force for 56 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 31, 2021, 4:49 AM CDT (09:49 UTC)
Expired: May 31, 2021, 5:45 AM CDT
In force: 56 min
Issued by: NWS San Angelo, TX

County Throckmorton County, TX

The radar

The Dyess AFB radar (KDYX), 56 km from the middle of the area, began a volume at 09:53 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

Fort Worth, TX (KFWD), launched 00:00Z, 9.8 hours before the alert went out and 181 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: 4 J/kg
Mixed-layer CIN: -101 J/kg
Mixed-layer LCL: 958 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 25 m²/s²
0-3 km storm-relative helicity: 65 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS San Angelo, TX wrote its last area forecast discussion before this special weather statement went out at May 31, 2:42 AM CDT, 2 hours 7 minutes earlier.

Area forecast discussion, May 31, 2:42 AM CDT, 2 hours 7 minutes before

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Hazardous weather outlook, May 30, 2:41 PM CDT, 14 hours 8 minutes before

Hazardous Weather Outlook
National Weather Service San Angelo TX
241 PM CDT Sun May 30 2021

TXZ049-054-064>066-071>073-076>078-098-099-113-114-127-128-139-
140-154-155-168>170-311945-
Fisher-Nolan-Sterling-Coke-Runnels-Irion-Tom Green-Concho-
Crockett-Schleicher-Sutton-Haskell-Throckmorton-Jones-Shackelford-
Taylor-Callahan-Coleman-Brown-McCulloch-San Saba-Menard-Kimble-
Mason-
241 PM CDT Sun May 30 2021

This Hazardous Weather Outlook is for portions of west central
Texas.

.DAY ONE...This Afternoon and Tonight

May see an isolated strong to severe thunderstorm this evening
but the main threat for strong thunderstorms will be overnight
tonight bringing the potential for localized flooding to much of
the area, especially the Big Country.

.DAYS TWO THROUGH SEVEN...Monday through Saturday

Strong to severe thunderstorms will once again be possible Monday
afternoon and evening across the area. Damaging winds, large
hail, and dangerous lightning will be the main hazards. Heavy
rainfall is also likely with these storms which looks to be a
concern and may lead to localized flooding, especially in areas
where soils are already saturated.

The unsettled pattern continues into Tuesday with chances for rain
and thunderstorms. This will continue to threat of localized
flooding.

.SPOTTER INFORMATION STATEMENT...
Spotter activation may be needed tonight

In the hours before

Special weather statement, May 31, 2:35 AM CDT, 2 hours 14 minutes before

Special Weather Statement
National Weather Service San Angelo TX
235 AM CDT Mon May 31 2021

TXZ049-310830-
Fisher TX-
235 AM CDT Mon May 31 2021

...SIGNIFICANT WEATHER ADVISORY FOR FISHER COUNTY UNTIL 330 AM CDT...

At 234 AM CDT, Doppler radar was tracking a strong thunderstorm over
Hudd, or 12 miles northwest of Hobbs, moving east at 20 mph.

Half inch hail and wind gusts up to 50 mph will be possible with this
storm.

Locations impacted include...
Hamlin, Rotan, Roby, Sylvester, Hobbs, Longworth, Mccaulley, Hitson,
Gannon, Busby and Capitola.

LAT...LON 3296 10014 3277 10014 3252 10047 3253 10066
      3296 10065
TIME...MOT...LOC 0734Z 277DEG 19KT 3293 10071

sn

Special weather statement, May 31, 3:29 AM CDT, 1 hour 20 minutes before

Special Weather Statement
National Weather Service San Angelo TX
329 AM CDT Mon May 31 2021

TXZ049-054-113-127-310930-
Fisher TX-Nolan TX-Jones TX-Taylor TX-
329 AM CDT Mon May 31 2021

...SIGNIFICANT WEATHER ADVISORY FOR JONES...NORTHERN NOLAN...FISHER
AND NORTHWESTERN TAYLOR COUNTIES UNTIL 430 AM CDT...

At 327 AM CDT, Doppler radar was tracking a strong thunderstorm near
Roby, moving east at 30 mph.

Half inch hail and wind gusts of 50 to 55 mph will be possible with
this storm.

Locations impacted include...
Sweetwater, Stamford, Anson, Hamlin, Roscoe, Merkel, Rotan, Roby,
Trent, Sylvester, Noodle, Hobbs, Mccaulley, Avoca, Longworth, and
Wastella.

LAT...LON 3296 9965 3242 9984 3240 10054 3246 10066
      3273 10066 3278 10064 3297 10036
TIME...MOT...LOC 0827Z 274DEG 27KT 3284 10034

sn

Special weather statement, May 31, 4:30 AM CDT, 19 minutes before

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Special weather statement, May 31, 4:49 AM CDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
May 31, 2:35 AM CDT	Special Weather Statement	SJT	Fisher	55 min
May 31, 3:29 AM CDT	Special Weather Statement	SJT	Fisher, Jones	61 min
May 31, 3:42 AM CDT	Severe Thunderstorm Warning	SJT	Haskell, Jones	63 min
May 31, 4:02 AM CDT	Areal Flood Advisory	SJT	Fisher, Jones	103 min
May 31, 4:30 AM CDT	Special Weather Statement	SJT	Jones, Shackelford	45 min
May 31, 5:04 AM CDT	Areal Flood Advisory	SJT	Callahan, Fisher, Jones, Nolan, Shackelford, Taylor	3 hr
May 31, 5:19 AM CDT	Special Weather Statement	SJT	Nolan, Shackelford	26 min
May 31, 5:45 AM CDT	Special Weather Statement	SJT	Callahan, Nolan, Taylor	45 min
May 31, 10:13 AM CDT	Areal Flood Advisory	SJT	Fisher, Haskell, Jones	3 hr
May 31, 10:35 AM CDT	Flash Flood Warning	SJT	Fisher, Haskell, Jones	3 hr
May 31, 12:17 PM CDT	Areal Flood Advisory	SJT	Fisher, Jones, Nolan, Taylor	3 hr
May 31, 12:25 PM CDT	Flash Flood Warning	SJT	Shackelford	3 hr
May 31, 12:51 PM CDT	Special Weather Statement	SJT	Runnels	39 min
May 31, 1:26 PM CDT	Special Weather Statement	SJT	Callahan	49 min
May 31, 1:29 PM CDT	Areal Flood Advisory	SJT	Callahan	3 hr
May 31, 1:59 PM CDT	Severe Thunderstorm Warning	SJT	Brown, Callahan, Coleman	61 min
May 31, 2:14 PM CDT	Flash Flood Warning	SJT	Callahan	3 hr
May 31, 2:27 PM CDT	Areal Flood Advisory	SJT	Fisher, Haskell, Jones	3 hr
May 31, 3:00 PM CDT	Special Weather Statement	SJT	Brown	45 min
May 31, 3:04 PM CDT	Areal Flood Advisory	SJT	Brown, Callahan, Coleman	116 min
May 31, 3:51 PM CDT	River Flood Warning	SJT	Jones	54 hr
May 31, 4:21 PM CDT	Special Weather Statement	SJT	Sterling	39 min
May 31, 5:07 PM CDT	Flash Flood Warning Considerable damage threat	SJT	Fisher, Jones, Shackelford	3 hr
May 31, 6:19 PM CDT	River Flood Warning	SJT	Jones	67 hr

Nearby

Special Weather Statements in Texas, 2021 Every special weather statement 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.