Alert archive / Colorado / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 10, NWS Denver/Boulder, CO

May 22, 1993Douglas County, Colorado

NWS Denver/Boulder, CO issued this severe thunderstorm warning at May 22, 1993, 12:43 PM MDT for Douglas County, Colorado. It was in force for 17 min.

The area

The counties it named.

The facts

Issued
May 22, 1993, 12:43 PM MDT (18:43 UTC)
Expired
May 22, 1993, 1:00 PM MDT
In force
17 min
Issued by
NWS Denver/Boulder, CO
Area
Whole counties

County Douglas County, CO

The nearest sounding before it

Denver, CO (KDEN), launched 12:00Z, 6.7 hours before the alert went out and 158 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 1993-05-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 157 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 1993-05-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 33 square meters per square second.193958Sfc1 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
157 J/kg
Mixed-layer CIN
-238 J/kg
Mixed-layer LCL
1411 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
33 m²/s²
0-3 km storm-relative helicity
29 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, May 22, 11:43 AM MDT, 1 hour before
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Special weather statement, May 22, 11:43 AM MDT, 1 hour before
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Special weather statement, May 22, 12:15 PM MDT, 28 minutes before
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Special weather statement, May 22, 12:17 PM MDT, 26 minutes before
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Special weather statement, May 22, 12:39 PM MDT, 4 minutes before
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Special weather statement, May 22, 12:40 PM MDT, 3 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
May 21, 6:44 PM MDTSevere Thunderstorm WarningBOUYuma16 min
May 22, 2:35 PM MDTSevere Thunderstorm WarningBOUAdams, Denver, Jefferson25 min
May 22, 2:35 PM MDTSevere Thunderstorm WarningBOUBoulder25 min
May 22, 3:30 PM MDTSevere Thunderstorm WarningBOUWashington, Yuma45 min
May 22, 4:12 PM MDTSevere Thunderstorm WarningBOUWashington, Yuma48 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.