Alert archive / Colorado / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 193, NWS Denver/Boulder, CO

July 27, 1996Logan County, Colorado

NWS Denver/Boulder, CO issued this severe thunderstorm warning at Jul 27, 1996, 8:13 PM MDT for Logan County, Colorado. It was in force for 47 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
Jul 27, 1996, 8:13 PM MDT (02:13 UTC)
Expired
Jul 27, 1996, 9:00 PM MDT
In force
47 min
Issued by
NWS Denver/Boulder, CO
Area
Whole counties

County Logan County, CO

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 2.2 hours before the alert went out and 216 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 1996-07-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 663 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 1996-07-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -25 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
663 J/kg
Mixed-layer CIN
-66 J/kg
Mixed-layer LCL
1928 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
-25 m²/s²
0-3 km storm-relative helicity
111 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 Denver/Boulder, CO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 28, 3:45 PM MDTSevere Thunderstorm WarningBOUWeld45 min
Jul 28, 4:36 PM MDTSevere Thunderstorm WarningBOUWeld39 min
Jul 28, 5:05 PM MDTSevere Thunderstorm WarningBOULarimer, Weld40 min
Jul 28, 5:18 PM MDTSevere Thunderstorm WarningBOUWeld27 min
Jul 28, 5:45 PM MDTSevere Thunderstorm WarningBOUWeld45 min
Jul 28, 5:53 PM MDTSevere Thunderstorm WarningBOULarimer, Weld52 min

Nearby

Severe Thunderstorm Warnings in Colorado, 1996Every severe thunderstorm warning in 1996

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.