Alert archive / Texas / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 69, NWS San Angelo, TX

April 30, 2019Crockett County, Texas

NWS San Angelo, TX issued this severe thunderstorm warning at Apr 30, 2019, 5:43 PM CDT for Crockett County, Texas. It was in force for 47 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Apr 30, 2019, 5:43 PM CDT (22:43 UTC)
Expired: Apr 30, 2019, 6:30 PM CDT
In force: 47 min
Issued by: NWS San Angelo, TX
Area: Storm-based polygon
Tornado: Possible
Hail: 2.0 in
Wind: 60.0 mph

County Crockett County, TX

The radar

The San Angelo radar (KSJT), 113 km from the middle of the area, began a volume at 22:42 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
Apr 30, 4:26 PM CDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Midland Regional, TX (KMAF), launched 12:00Z, 10.7 hours before the alert went out and 156 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: 1772 J/kg
Mixed-layer CIN: -33 J/kg
Mixed-layer LCL: 772 m above ground
0-6 km bulk shear: 53 kt
0-1 km storm-relative helicity: 184 m²/s²
0-3 km storm-relative helicity: 234 m²/s²
Significant tornado parameter: 2.0
Supercell composite: 10.3

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Apr 30, 2:36 PM CDT, 3 hours 7 minutes earlier.

Area forecast discussion, Apr 30, 2:36 PM CDT, 3 hours 7 minutes before

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Hazardous weather outlook, Apr 30, 2:30 PM CDT, 3 hours 13 minutes before

Hazardous Weather Outlook
National Weather Service San Angelo TX
230 PM CDT Tue Apr 30 2019

TXZ049-054-064>066-071>073-076>078-098-099-113-114-127-128-139-
140-154-155-168>170-011930-
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-
230 PM CDT Tue Apr 30 2019

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

.DAY ONE...This Afternoon and Tonight

A few strong to severe thunderstorms are possible this afternoon
and evening. Large hail, damaging winds, and cloud to ground
lightning will be the main hazards with these storms. However, an
isolated tornado cannot be ruled out.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

Thunderstorms are possible through the remainder of the week,
mainly during the afternoon and evening hours. A few storms may be
strong to severe. Large hail and damaging winds are the primary hazards.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated at this time.

In the hours before

Special weather statement, Apr 30, 2:43 PM CDT, 3 hours before

Special Weather Statement
National Weather Service San Angelo TX
243 PM CDT Tue Apr 30 2019

TXZ128-139-140-302030-
Callahan TX-Coleman TX-Brown TX-
243 PM CDT Tue Apr 30 2019

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN CALLAHAN...
NORTHWESTERN BROWN AND NORTHERN COLEMAN COUNTIES UNTIL 330 PM CDT...

At 241 PM CDT, Doppler radar was tracking a strong thunderstorm near
Coleman, moving northeast at 45 mph.

Nickel size hail and winds in excess of 40 mph will be possible with
this storm.

This strong thunderstorm will be near...
  Burkett around 255 PM CDT.
  Cross Plains around 305 PM CDT.
  Atwell around 310 PM CDT.

Other locations impacted by this storm include Us-
283 Near The Coleman-
Callahan County Line, Echo, Admiral and Hords Creek Reservoir.

LAT...LON 3175 9948 3187 9964 3237 9926 3224 9911
      3208 9912 3208 9894 3204 9889 3196 9884
TIME...MOT...LOC 1941Z 221DEG 56KT 3189 9949

Special weather statement, Apr 30, 2:56 PM CDT, 2 hours 47 minutes before

Special Weather Statement
National Weather Service San Angelo TX
256 PM CDT Tue Apr 30 2019

TXZ066-073-127-128-139-140-302045-
Runnels TX-Callahan TX-Coleman TX-Taylor TX-Brown TX-Concho TX-
256 PM CDT Tue Apr 30 2019

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN CALLAHAN...WEST
CENTRAL BROWN...COLEMAN...SOUTHEASTERN TAYLOR...EASTERN RUNNELS AND
NORTHEASTERN CONCHO COUNTIES UNTIL 345 PM CDT...

At 255 PM CDT, Doppler radar was tracking a strong thunderstorm near
Talpa, or 12 miles west of Coleman, moving northeast at 45 mph.

Nickel size hail and winds in excess of 40 mph will be possible with
this storm.

This strong thunderstorm will be near...
  Coleman around 305 PM CDT.
  Silver Valley around 310 PM CDT.

Other locations impacted by this storm include The Intersection Of
Ranch Road 1929 And Ranch Road 2134, The Intersection Of Us-
83 And Ranch Road 1929, Echo, Mozelle, Goldsboro, Fisk, Us-
83 Near The Concho-Runnels County Line, Us-283 Near The Coleman-
Callahan County Line, Lake Coleman and Hords Creek Reservoir.

LAT...LON 3193 9910 3140 9969 3153 9996 3225 9968
TIME...MOT...LOC 1955Z 215DEG 54KT 3179 9963

Local storm report, Apr 30, 5:26 PM CDT, 17 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SAN ANGELO TX
526 PM CDT TUE APR 30 2019

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0525 PM     HAIL             18 E SHEFFIELD          30.74N 101.78W
04/30/2019  E1.00 INCH       CROCKETT           TX   PUBLIC

&&

AW

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 30, 2:43 PM CDT	Special Weather Statement	SJT	Coleman	47 min
Apr 30, 2:56 PM CDT	Special Weather Statement	SJT	Coleman	49 min
Apr 30, 4:58 PM CDT	Severe Thunderstorm Warning	SJT	Crockett	47 min
Apr 30, 5:15 PM CDT	Severe Thunderstorm Warning	SJT	Fisher	34 min
Apr 30, 6:15 PM CDT	Severe Thunderstorm Warning	SJT	Haskell	45 min
Apr 30, 6:29 PM CDT	Severe Thunderstorm Warning	SJT	Crockett	46 min
Apr 30, 6:44 PM CDT	Tornado Warning	SJT	Crockett	31 min
Apr 30, 6:53 PM CDT	Special Weather Statement	SJT	Haskell, Throckmorton	52 min

Nearby

Severe Thunderstorm Warnings in Texas, 2019 Every severe thunderstorm warning in 2019

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.