Alert archive / Kansas / Severe Thunderstorm Warnings in 1991

Severe Thunderstorm Warning 76, NWS Goodland, KS

June 20, 1991Trego County, Kansas

NWS Goodland, KS issued this severe thunderstorm warning at Jun 20, 1991, 9:28 PM CDT for Trego County, Kansas. It was in force for 62 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jun 20, 1991, 9:28 PM CDT (02:28 UTC)
Expired
Jun 20, 1991, 10:30 PM CDT
In force
62 min
Issued by
NWS Goodland, KS
Area
Whole counties

County Trego County, KS

What was reported inside it

TimeReportWhereRemark
Jun 20, 10:00 PM CDTHail 0.75Trego, KS

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 2.5 hours before the alert went out and 254 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, N. Platte/Lee Bi, NE at 00:00Z on 1991-06-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1618 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, N. Platte/Lee Bi, NE at 00:00Z on 1991-06-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 3 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
1618 J/kg
Mixed-layer CIN
-189 J/kg
Mixed-layer LCL
2050 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
3 m²/s²
0-3 km storm-relative helicity
14 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

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 Goodland, KS issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 20, 8:45 PM CDTSevere Thunderstorm WarningGLDGove60 min
Jun 21, 4:30 PM CDTSevere Thunderstorm WarningGLDElbert60 min
Jun 21, 5:16 PM CDTTornado WarningGLDElbert59 min
Jun 21, 6:13 PM CDTTornado WarningGLDElbert62 min
Jun 21, 6:13 PM CDTTornado WarningGLDEl Paso62 min

Nearby

Severe Thunderstorm Warnings in Kansas, 1991Every severe thunderstorm warning in 1991

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.