Alert archive / Texas / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 230, NWS Lubbock, TX

August 25, 2016Childress County, Hall County, Texas

NWS Lubbock, TX issued this severe thunderstorm warning at Aug 25, 2016, 3:20 PM CDT for Childress County, Hall County, Texas. It was in force for 25 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
Aug 25, 2016, 3:20 PM CDT (20:20 UTC)
Expired
Aug 25, 2016, 3:45 PM CDT
In force
25 min
Issued by
NWS Lubbock, TX
Area
Storm-based polygon
Hail
1.75 in
Wind
70.0 mph

Counties Childress County, TX, Hall County, TX

The radar

The Altus AFB radar (KFDR), 136 km from the middle of the area, began a volume at 20:20 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

Amarillo Airport, TX (KAMA), launched 12:00Z, 8.3 hours before the alert went out and 138 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, Amarillo Airport, TX at 12:00Z on 2016-08-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 165 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, Amarillo Airport, TX at 12:00Z on 2016-08-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 68 square meters per square second.19395878Sfc1 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
165 J/kg
Mixed-layer CIN
-100 J/kg
Mixed-layer LCL
1170 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
68 m²/s²
0-3 km storm-relative helicity
41 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

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 Lubbock, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 25, 12:55 PM CDT, 2 hours 25 minutes earlier.

Area forecast discussion, Aug 25, 12:55 PM CDT, 2 hours 25 minutes before
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Hazardous weather outlook, Aug 25, 11:34 AM CDT, 3 hours 46 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE LUBBOCK TX
1134 AM CDT THU AUG 25 2016

TXZ021>044-261645-
PARMER-CASTRO-SWISHER-BRISCOE-HALL-CHILDRESS-BAILEY-LAMB-HALE-
FLOYD-MOTLEY-COTTLE-COCHRAN-HOCKLEY-LUBBOCK-CROSBY-DICKENS-KING-
YOAKUM-TERRY-LYNN-GARZA-KENT-STONEWALL-
1134 AM CDT THU AUG 25 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE EXTREME SOUTHERN TEXAS
PANHANDLE...SOUTH PLAINS AND ROLLING PLAINS.

.DAY ONE...THIS AFTERNOON AND TONIGHT
SCATTERED THUNDERSTORMS LATER TODAY AND TONIGHT WILL BRING A RISK
FOR VERY HEAVY RAINFALL RESULTING IN LOCALIZED FLOODING. IN
ADDITION...A FEW STORMS ACROSS THE FAR SOUTHERN TEXAS PANHANDLE
AND NORTHERN ROLLING PLAINS MAY BE SEVERE WITH LARGE HAIL TO
GOLFBALL SIZE AND WING GUSTS TO 65 MPH. THIS THREAT WILL BE MAINLY
ALONG AND TO THE NORTH OF HIGHWAY 70.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY
NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...
LIMITED SPOTTER ACTIVATION MAY BE REQUESTED LATER THIS AFTERNOON
AND EVENING.

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 25, 2:59 AM CDTAreal Flood AdvisoryLUBLubbock91 min
Aug 25, 3:44 PM CDTSevere Thunderstorm WarningLUBChildress, Hall31 min
Aug 25, 4:16 PM CDTSevere Thunderstorm WarningLUBChildress29 min
Aug 25, 6:06 PM CDTAreal Flood AdvisoryLUBCastro, Hale, Lamb, Swisher114 min
Aug 25, 6:22 PM CDTAreal Flood AdvisoryLUBBailey113 min
Aug 25, 6:42 PM CDTAreal Flood AdvisoryLUBCochran2 hr

Nearby

Severe Thunderstorm Warnings in Texas, 2016Every severe thunderstorm warning in 2016

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.