Alert archive / Colorado / Flash Flood Warnings in 1997

Flash Flood Warning 1, NWS Denver/Boulder, CO

May 24, 1997Weld County, Colorado

NWS Denver/Boulder, CO issued this flash flood warning at May 24, 1997, 11:00 PM MDT for Weld County, Colorado. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
May 24, 1997, 11:00 PM MDT (05:00 UTC)
Expired
May 25, 1997, 2:00 AM MDT
In force
3 hr
Issued by
NWS Denver/Boulder, CO
Area
Whole counties

County Weld County, CO

The nearest sounding before it

Denver, CO (KDNR), launched 00:00Z, 5.0 hours before the alert went out and 125 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 00:00Z on 1997-05-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 72 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 00:00Z on 1997-05-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 181 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
72 J/kg
Mixed-layer CIN
-79 J/kg
Mixed-layer LCL
2164 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
181 m²/s²
0-3 km storm-relative helicity
211 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.0

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.

The office that day

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

IssuedProductOfficeCountiesLasted
May 25, 5:00 PM MDTSevere Thunderstorm WarningBOUAdams, Arapahoe, Denver, Weld30 min
May 25, 5:11 PM MDTTornado WarningBOUAdams, Arapahoe29 min
May 25, 5:21 PM MDTSevere Thunderstorm WarningBOUAdams, Arapahoe, Denver, Morgan, Weld24 min
May 25, 5:43 PM MDTSevere Thunderstorm WarningBOUAdams, Arapahoe, Denver, Morgan, Weld32 min

Nearby

Flash Flood Warnings in Colorado, 1997Every flash flood warning in 1997

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.