Alert archive / Colorado / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 87, NWS Goodland, KS

August 3, 1986Elbert County, Colorado

NWS Goodland, KS issued this severe thunderstorm warning at Aug 3, 1986, 4:08 PM MDT for Elbert County, Colorado. It was in force for 52 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
Aug 3, 1986, 4:08 PM MDT (22:08 UTC)
Expired
Aug 3, 1986, 5:00 PM MDT
In force
52 min
Issued by
NWS Goodland, KS
Area
Whole counties

County Elbert County, CO

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

What was reported inside it

TimeReportWhereRemark
Aug 3, 4:30 PM MDTHail 1Elbert, CO

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

Denver, CO (KDEN), launched 12:00Z, 10.1 hours before the alert went out and 101 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, Denver, CO at 12:00Z on 1986-08-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 440 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Denver, CO at 12:00Z on 1986-08-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 109 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
440 J/kg
Mixed-layer CIN
-303 J/kg
Mixed-layer LCL
1851 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
109 m²/s²
0-3 km storm-relative helicity
115 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.3

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
Aug 2, 6:38 PM MDTSevere Thunderstorm WarningGLDElbert67 min
Aug 2, 6:44 PM MDTSevere Thunderstorm WarningGLDElbert61 min
Aug 2, 6:44 PM MDTSevere Thunderstorm WarningGLDLincoln26 min
Aug 3, 3:20 PM MDTSevere Thunderstorm WarningGLDEl Paso40 min
Aug 3, 4:34 PM MDTTornado WarningGLDEl Paso41 min
Aug 3, 4:58 PM MDTSevere Thunderstorm WarningGLDLincoln92 min
Aug 3, 4:58 PM MDTSevere Thunderstorm WarningGLDElbert47 min
Aug 3, 5:55 PM MDTSevere Thunderstorm WarningGLDKit Carson35 min

Nearby

Severe Thunderstorm Warnings in Colorado, 1986Every severe thunderstorm warning in 1986

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.