Alert archive / Colorado / Flash Flood Warnings in 1997

Flash Flood Warning 6, NWS Denver/Boulder, CO

June 15, 1997Phillips County, Colorado

NWS Denver/Boulder, CO issued this flash flood warning at Jun 15, 1997, 5:23 AM MDT for Phillips 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
Jun 15, 1997, 5:23 AM MDT (11:23 UTC)
Expired
Jun 15, 1997, 8:00 AM MDT
In force
3 hr
Issued by
NWS Denver/Boulder, CO
Area
Whole counties

County Phillips County, CO

The radar

The Goodland radar (KGLD), 148 km from the middle of the area, began a volume at 11:24 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Denver, CO (KDNR), launched 00:00Z, 11.4 hours before the alert went out and 109 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 1997-06-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 70 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 1997-06-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -71 square meters per square second.1939587897Sfc1 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
70 J/kg
Mixed-layer CIN
-106 J/kg
Mixed-layer LCL
2413 m above ground
0-6 km bulk shear
3 kt
0-1 km storm-relative helicity
-71 m²/s²
0-3 km storm-relative helicity
-39 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.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 14, 6:05 PM MDTSevere Thunderstorm WarningBOUMorgan, Weld35 min
Jun 14, 7:35 PM MDTSevere Thunderstorm WarningBOUAdams, Washington25 min
Jun 14, 7:55 PM MDTSevere Thunderstorm WarningBOULogan, Phillips, Sedgwick45 min
Jun 14, 8:52 PM MDTSevere Thunderstorm WarningBOULogan, Phillips, Sedgwick38 min
Jun 14, 9:38 PM MDTSevere Thunderstorm WarningBOUPhillips27 min
Jun 15, 12:33 AM MDTFlash Flood WarningBOUPhillips3 hr
Jun 15, 3:25 AM MDTFlash Flood WarningBOUPhillips2 hr
Jun 15, 1:41 PM MDTSevere Thunderstorm WarningBOULarimer, Weld34 min
Jun 15, 3:11 PM MDTSevere Thunderstorm WarningBOUAdams, Boulder, Weld34 min
Jun 15, 3:20 PM MDTTornado WarningBOUAdams, Weld25 min
Jun 15, 3:20 PM MDTTornado WarningBOUBoulder25 min
Jun 15, 3:53 PM MDTSevere Thunderstorm WarningBOUAdams, 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; radar from the NEXRAD Level II archive.