Alert archive / Texas / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 28, NWS San Angelo, TX

April 16, 2015Haskell County, Throckmorton County, Texas

NWS San Angelo, TX issued this severe thunderstorm warning at Apr 16, 2015, 6:19 PM CDT for Haskell County, Throckmorton County, Texas. It was in force for 41 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 16, 2015, 6:19 PM CDT (23:19 UTC)
Expired
Apr 16, 2015, 7:00 PM CDT
In force
41 min
Issued by
NWS San Angelo, TX
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Haskell County, TX, Throckmorton County, TX

The radar

The Dyess AFB radar (KDYX), 74 km from the middle of the area, began a volume at 23:18 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.

IssuedProductOfficeLasted
Apr 16, 4:40 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 12:00Z, 11.3 hours before the alert went out and 207 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-pSkew-T log-p diagram, Fort Worth, TX at 12:00Z on 2015-04-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 521 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Fort Worth, TX at 12:00Z on 2015-04-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 87 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
521 J/kg
Mixed-layer CIN
-142 J/kg
Mixed-layer LCL
884 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
87 m²/s²
0-3 km storm-relative helicity
98 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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 16, 5:06 PM CDT, 1 hour 13 minutes earlier.

Area forecast discussion, Apr 16, 5:06 PM CDT, 1 hour 13 minutes before
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Hazardous weather outlook, Apr 16, 2:19 PM CDT, 4 hours before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SAN ANGELO TX
219 PM CDT THU APR 16 2015

TXZ049-054-064>066-071>073-076>078-098-099-113-114-127-128-139-
140-154-155-168>170-171930-
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-
219 PM CDT THU APR 16 2015

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

.DAY ONE...THIS AFTERNOON AND TONIGHT

SCATTERED THUNDERSTORMS ARE EXPECTED THIS AFTERNOON AND TONIGHT
ACROSS ALL OF WEST CENTRAL TEXAS. A FEW OF THESE STORMS COULD
BECOME SEVERE WITH THE MAIN HAZARDS BEING LARGE HAIL...DAMAGING
WINDS AND DEADLY LIGHTNING.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

ADDITIONAL THUNDERSTORMS ARE POSSIBLE FRIDAY AND SATURDAY ACROSS
MOST OF THE AREA. SOME OF THESE STORMS MAY ALSO BECOME SEVERE WITH
THE MAIN HAZARDS BEING LARGE HAIL...DAMAGING WINDS...AND DEADLY
LIGHTNING.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON THROUGH LATE
EVENING...AND AGAIN ON FRIDAY.

In the hours before

Local storm report, Apr 16, 5:40 PM CDT, 39 minutes before
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Local storm report, Apr 16, 5:43 PM CDT, 36 minutes before
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Local storm report, Apr 16, 5:49 PM CDT, 30 minutes before
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Local storm report, Apr 16, 5:56 PM CDT, 23 minutes before
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Local storm report, Apr 16, 6:06 PM CDT, 13 minutes before
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Local storm report, Apr 16, 6:10 PM CDT, 9 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Apr 16, 7:01 AM CDTSpecial Weather StatementSJTTom Green44 min
Apr 16, 11:36 AM CDTSpecial Weather StatementSJTMason39 min
Apr 16, 12:24 PM CDTSpecial Weather StatementSJTSan Saba36 min
Apr 16, 1:02 PM CDTSevere Thunderstorm WarningSJTSan Saba43 min
Apr 16, 2:33 PM CDTSpecial Weather StatementSJTKimble27 min
Apr 16, 2:57 PM CDTSevere Thunderstorm WarningSJTKimble, Sutton48 min
Apr 16, 3:05 PM CDTSpecial Weather StatementSJTRunnels25 min
Apr 16, 3:07 PM CDTSpecial Weather StatementSJTNolan23 min
Apr 16, 3:12 PM CDTSpecial Weather StatementSJTKimble33 min
Apr 16, 3:27 PM CDTSpecial Weather StatementSJTNolan48 min
Apr 16, 3:35 PM CDTSpecial Weather StatementSJTMenard25 min
Apr 16, 3:39 PM CDTSpecial Weather StatementSJTRunnels36 min
Apr 16, 3:43 PM CDTSevere Thunderstorm WarningSJTKimble, Menard47 min
Apr 16, 3:45 PM CDTSevere Thunderstorm WarningSJTCoke, Nolan, Runnels, Taylor45 min
Apr 16, 3:54 PM CDTSpecial Weather StatementSJTFisher36 min
Apr 16, 3:57 PM CDTSevere Thunderstorm WarningSJTNolan48 min
Apr 16, 4:13 PM CDTSevere Thunderstorm WarningSJTFisher47 min
Apr 16, 4:15 PM CDTSpecial Weather StatementSJTJones45 min
Apr 16, 4:29 PM CDTSpecial Weather StatementSJTMenard31 min
Apr 16, 4:30 PM CDTSpecial Weather StatementSJTRunnels30 min
Apr 16, 4:31 PM CDTSpecial Weather StatementSJTConcho29 min
Apr 16, 4:34 PM CDTSevere Thunderstorm WarningSJTConcho, Menard, Schleicher, Tom Green41 min
Apr 16, 4:45 PM CDTSpecial Weather StatementSJTNolan30 min
Apr 16, 4:54 PM CDTSevere Thunderstorm WarningSJTFisher, Nolan51 min
Apr 16, 4:55 PM CDTSevere Thunderstorm WarningSJTFisher50 min
Apr 16, 5:04 PM CDTSpecial Weather StatementSJTMenard56 min
Apr 16, 5:11 PM CDTSevere Thunderstorm WarningSJTColeman, Concho, Runnels, Tom Green49 min
Apr 16, 5:18 PM CDTSpecial Weather StatementSJTHaskell42 min
Apr 16, 5:34 PM CDTSevere Thunderstorm WarningSJTHaskell, Jones41 min
Apr 16, 5:37 PM CDTSevere Thunderstorm WarningSJTColeman, Runnels38 min
Apr 16, 5:42 PM CDTSevere Thunderstorm WarningSJTFisher, Nolan48 min
Apr 16, 5:58 PM CDTSevere Thunderstorm WarningSJTColeman, Concho, Runnels, Tom Green47 min
Apr 16, 6:12 PM CDTSevere Thunderstorm WarningSJTCallahan, Coleman, Runnels, Taylor48 min
Apr 16, 6:12 PM CDTSevere Thunderstorm WarningSJTHaskell48 min
Apr 16, 6:18 PM CDTAreal Flood AdvisorySJTColeman, Concho, Runnels, Tom Green117 min
Apr 16, 6:29 PM CDTSpecial Weather StatementSJTFisher31 min
Apr 16, 6:32 PM CDTAreal Flood AdvisorySJTFisher, Nolan118 min
Apr 16, 6:48 PM CDTSpecial Weather StatementSJTConcho27 min
Apr 16, 6:49 PM CDTSpecial Weather StatementSJTConcho26 min
Apr 16, 6:54 PM CDTSpecial Weather StatementSJTTaylor36 min
Apr 16, 6:56 PM CDTSpecial Weather StatementSJTTaylor34 min
Apr 16, 6:56 PM CDTSevere Thunderstorm WarningSJTFisher49 min
Apr 16, 6:58 PM CDTSevere Thunderstorm WarningSJTHaskell, Shackelford, Throckmorton47 min

Nearby

Severe Thunderstorm Warnings in Texas, 2015Every severe thunderstorm warning in 2015

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.