Alert archive / Colorado / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 80, NWS Denver/Boulder, CO

July 14, 1993Arapahoe County, Denver County, Jefferson County, Colorado

NWS Denver/Boulder, CO issued this severe thunderstorm warning at Jul 14, 1993, 1:49 PM MDT for Arapahoe County, Denver County, Jefferson County, Colorado. It was in force for 26 min.

The area

The counties it named.

The facts

Issued
Jul 14, 1993, 1:49 PM MDT (19:49 UTC)
Expired
Jul 14, 1993, 2:15 PM MDT
In force
26 min
Issued by
NWS Denver/Boulder, CO
Area
Whole counties

Counties Arapahoe County, CO, Denver County, CO, Jefferson County, CO

The nearest sounding before it

Fort Carson/Butt, CO (KFCS), launched 12:00Z, 7.8 hours before the alert went out and 110 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, Fort Carson/Butt, CO at 12:00Z on 1993-07-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 366 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Fort Carson/Butt, CO at 12:00Z on 1993-07-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 24 square meters per square second.1939Sfc1 km3 km6 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
366 J/kg
Mixed-layer CIN
-69 J/kg
Mixed-layer LCL
613 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
24 m²/s²
0-3 km storm-relative helicity
84 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.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Jul 14, 11:53 AM MDT, 1 hour 56 minutes before
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Special weather statement, Jul 14, 11:54 AM MDT, 1 hour 55 minutes before
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Special weather statement, Jul 14, 12:45 PM MDT, 1 hour 4 minutes before
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Special weather statement, Jul 14, 1:23 PM MDT, 26 minutes before
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Special weather statement, Jul 14, 1:25 PM MDT, 24 minutes before
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The office that day

Everything else NWS Denver/Boulder, CO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 13, 6:32 PM MDTSevere Thunderstorm WarningBOUAdams, Arapahoe43 min
Jul 14, 2:25 PM MDTTornado WarningBOUArapahoe, Denver, Douglas25 min
Jul 14, 5:34 PM MDTSevere Thunderstorm WarningBOUClear Creek26 min
Jul 14, 5:34 PM MDTSevere Thunderstorm WarningBOUJefferson41 min

Nearby

Severe Thunderstorm Warnings in Colorado, 1993Every severe thunderstorm warning in 1993

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.