Alert archive / Texas / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 9, NWS Amarillo, TX

April 10, 1994Donley County, Texas

NWS Amarillo, TX issued this severe thunderstorm warning at Apr 10, 1994, 11:02 PM CDT for Donley County, Texas. It was in force for 58 min.

The area

The counties it named.

The facts

Issued
Apr 10, 1994, 11:02 PM CDT (04:02 UTC)
Expired
Apr 11, 1994, 12:00 AM CDT
In force
58 min
Issued by
NWS Amarillo, TX
Area
Whole counties

County Donley County, TX

The radar

The Amarillo radar (KAMA), 87 km from the middle of the area, began a volume at 04:04 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 00:00Z, 4.0 hours before the alert went out and 86 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 00:00Z on 1994-04-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 00:00Z on 1994-04-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 204 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
606 m above ground
0-6 km bulk shear
90 kt
0-1 km storm-relative helicity
204 m²/s²
0-3 km storm-relative helicity
307 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 10, 9:50 PM CDTSevere Thunderstorm WarningAMAChildress50 min
Apr 10, 10:25 PM CDTSevere Thunderstorm WarningAMABriscoe65 min
Apr 10, 10:29 PM CDTSevere Thunderstorm WarningAMACollingsworth61 min
Apr 10, 11:23 PM CDTSevere Thunderstorm WarningAMACollingsworth67 min

Nearby

Severe Thunderstorm Warnings in Texas, 1994Every severe thunderstorm warning in 1994

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.