Alert archive / Texas / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 309, NWS Amarillo, TX

June 25, 2019Armstrong County, Randall County, Texas

NWS Amarillo, TX issued this severe thunderstorm warning at Jun 25, 2019, 7:31 PM CDT for Armstrong County, Randall County, Texas. It was in force for 59 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
Jun 25, 2019, 7:31 PM CDT (00:31 UTC)
Expired
Jun 25, 2019, 8:30 PM CDT
In force
59 min
Issued by
NWS Amarillo, TX
Area
Storm-based polygon
Hail
1.25 in
Wind
60.0 mph

Counties Armstrong County, TX, Randall County, TX

The radar

The Amarillo radar (KAMA), 31 km from the middle of the area, began a volume at 00:31 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

Dodge City, (KDDC), launched 00:00Z, 0.5 hours before the alert went out and 348 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, Dodge City, at 00:00Z on 2019-06-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2470 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, Dodge City, at 00:00Z on 2019-06-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 10 square meters per square second.1939Sfc1 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
2470 J/kg
Mixed-layer CIN
-25 J/kg
Mixed-layer LCL
1924 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
10 m²/s²
0-3 km storm-relative helicity
142 m²/s²
Significant tornado parameter
0.0
Supercell composite
6.5

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 25, 7:23 PM CDTSpecial Weather StatementAMARandall37 min
Jun 25, 7:43 PM CDTSpecial Weather StatementAMADonley32 min
Jun 25, 9:34 PM CDTSpecial Weather StatementAMAPotter26 min
Jun 25, 9:43 PM CDTSevere Thunderstorm WarningAMAArmstrong, Carson, Potter44 min
Jun 25, 10:28 PM CDTSpecial Weather StatementAMACarson32 min
Jun 25, 10:53 PM CDTSpecial Weather StatementAMACarson22 min
Jun 26, 5:49 PM CDTSpecial Weather StatementAMADallam26 min
Jun 26, 6:09 PM CDTSevere Thunderstorm WarningAMADallam, Hartley66 min
Jun 26, 6:14 PM CDTSpecial Weather StatementAMAOldham31 min
Jun 25, 7:02 PM CDTSpecial Weather StatementAMATexas28 min
Jun 26, 6:59 PM CDTSpecial Weather StatementAMACimarron31 min

Nearby

Severe Thunderstorm Warnings in Texas, 2019Every 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.