Alert archive / Texas / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 33, NWS San Angelo, TX

April 21, 2014McCulloch County, Mason County, Texas

NWS San Angelo, TX issued this severe thunderstorm warning at Apr 21, 2014, 8:13 PM CDT for McCulloch County, Mason County, Texas. It was in force for 62 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 21, 2014, 8:13 PM CDT (01:13 UTC)
Expired: Apr 21, 2014, 9:15 PM CDT
In force: 62 min
Issued by: NWS San Angelo, TX
Area: Storm-based polygon
Hail: 1.25 in
Wind: 60.0 mph

Counties Mason County, TX, McCulloch County, TX

The radar

The San Angelo radar (KSJT), 124 km from the middle of the area, began a volume at 01:14 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 21, 2:52 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Del Rio, TX (KDLF), launched 00:00Z, 1.2 hours before the alert went out and 231 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: 1322 J/kg
Mixed-layer CIN: -165 J/kg
Mixed-layer LCL: 1604 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 76 m²/s²
0-3 km storm-relative helicity: 54 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.9

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 21, 6:00 PM CDT, 2 hours 13 minutes earlier.

Area forecast discussion, Apr 21, 6:00 PM CDT, 2 hours 13 minutes before

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Hazardous weather outlook, Apr 21, 2:38 PM CDT, 5 hours 35 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SAN ANGELO TX
238 PM CDT MON APR 21 2014

TXZ049-054-064>066-071>073-076>078-098-099-113-114-127-128-139-
140-154-155-168>170-221945-
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-
238 PM CDT MON APR 21 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF WEST CENTRAL
TEXAS.

.DAY ONE...THIS AFTERNOON AND TONIGHT

SCATTERED SHOWERS AND THUNDERSTORMS WILL BE POSSIBLE MAINLY SOUTH
OF A BARNHART...TO SAN SABA LINE THIS AFTERNOON AND EVENING. A FEW
STORMS MAY BECOME STRONG TO SEVERE WITH LARGE HAIL...DAMAGING
WINDS AND DANGEROUS LIGHTNING BEING THE MAIN HAZARDS

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

SHOWERS AND THUNDERSTORMS WILL BE POSSIBLE ACROSS MUCH OF WEST
CENTRAL TEXAS WEDNESDAY AFTERNOON AND EVENING. A FEW STORMS MAY
BECOME STRONG TO SEVERE WITH LARGE HAIL...DAMAGING WINDS AND
DANGEROUS LIGHTNING BEING THE MAIN HAZARDS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE REQUIRED LATER THIS AFTERNOON OR EVENING.

In the hours before

Special weather statement, Apr 21, 7:02 PM CDT, 1 hour 11 minutes before

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Special weather statement, Apr 21, 7:10 PM CDT, 1 hour 3 minutes before

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Special weather statement, Apr 21, 7:36 PM CDT, 37 minutes before

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Special weather statement, Apr 21, 7:57 PM CDT, 16 minutes before

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Local storm report, Apr 21, 8:07 PM CDT, 6 minutes before

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Local storm report, Apr 21, 8:11 PM CDT, 2 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
Apr 21, 7:02 PM CDT	Special Weather Statement	SJT	Schleicher	28 min
Apr 21, 7:10 PM CDT	Special Weather Statement	SJT	Kimble	35 min
Apr 21, 7:15 PM CDT	Severe Thunderstorm Warning	SJT	McCulloch, Mason	60 min
Apr 21, 7:36 PM CDT	Special Weather Statement	SJT	Menard	24 min
Apr 21, 7:56 PM CDT	Areal Flood Advisory	SJT	Kimble	2 hr
Apr 21, 7:57 PM CDT	Special Weather Statement	SJT	Kimble	63 min
Apr 21, 8:07 PM CDT	Severe Thunderstorm Warning	SJT	Kimble	53 min
Apr 21, 8:15 PM CDT	Special Weather Statement	SJT	Schleicher	60 min
Apr 21, 8:50 PM CDT	Special Weather Statement	SJT	Menard	25 min
Apr 21, 9:07 PM CDT	Special Weather Statement	SJT	Kerr	23 min
Apr 21, 9:11 PM CDT	Special Weather Statement	SJT	Kimble	34 min
Apr 21, 9:14 PM CDT	Special Weather Statement	SJT	Menard	31 min
Apr 21, 9:36 PM CDT	Areal Flood Advisory	SJT	Kimble, Mason, Menard	114 min
Apr 21, 9:41 PM CDT	Special Weather Statement	SJT	Kimble	34 min
Apr 21, 9:42 PM CDT	Special Weather Statement	SJT	Menard	33 min
Apr 21, 9:45 PM CDT	Special Weather Statement	SJT	Schleicher	30 min
Apr 21, 10:09 PM CDT	Special Weather Statement	SJT	Schleicher	36 min
Apr 21, 10:13 PM CDT	Special Weather Statement	SJT	Kimble	32 min
Apr 21, 10:18 PM CDT	Special Weather Statement	SJT	Sutton	42 min
Apr 21, 10:26 PM CDT	Severe Thunderstorm Warning	SJT	Kimble	64 min
Apr 21, 10:41 PM CDT	Special Weather Statement	SJT	Mason	34 min
Apr 21, 10:59 PM CDT	Special Weather Statement	SJT	Menard	31 min
Apr 21, 11:08 PM CDT	Special Weather Statement	SJT	Mason	52 min
Apr 21, 11:14 PM CDT	Special Weather Statement	SJT	Sutton	31 min

Nearby

Severe Thunderstorm Warnings in Texas, 2014 Every severe thunderstorm warning in 2014

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.