Alert archive / Colorado / Flash Flood Warnings in 2000

Flash Flood Warning 1, NWS Goodland, KS

July 19, 2000Yuma County, Colorado

NWS Goodland, KS issued this flash flood warning at Jul 19, 2000, 9:28 PM MDT for Yuma County, Colorado. It was in force for 2 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
Jul 19, 2000, 9:28 PM MDT (03:28 UTC)
Expired
Jul 19, 2000, 11:30 PM MDT
In force
2 hr
Issued by
NWS Goodland, KS
Area
Whole counties

County Yuma County, CO

The radar

The Goodland radar (KGLD), 94 km from the middle of the area, began a volume at 03:29 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, 3.5 hours before the alert went out and 70 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 2000-07-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 323 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Denver, CO at 00:00Z on 2000-07-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -37 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
323 J/kg
Mixed-layer CIN
-40 J/kg
Mixed-layer LCL
3539 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
-37 m²/s²
0-3 km storm-relative helicity
-15 m²/s²
Significant tornado parameter
0.0
Supercell composite
-1.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WGUS53 KGLD 200328
FFWGLD
COC125-200530-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GOODLAND KS
928 PM MDT WED JUL 19 2000

THE NATIONAL WEATHER SERVICE IN GOODLAND HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHERN YUMA COUNTY IN NORTHEAST COLORADO

* UNTIL 1130 PM MDT

* AT 928 PM MDT...NATIONAL WEATHER SERVICE RADAR INDICATED
  THUNDERSTORMS PRODUCING VERY HEAVY RAINFALL 6 MILES NORTHWEST OF
  ECKLEY...OR ABOUT 8 MILES EAST OF YUMA...MOVING EAST AT 20 MPH.

* SOME LOCATIONS INCLUDED IN THIS WARNING ARE...YUMA...WRAY...
  WAUNETA...VERNON...LAIRD...HEARTSTRONG...ECKLEY...CLARKVILLE AND
  ALVIN.

MOST FLASH FLOOD DEATHS OCCUR AT NIGHT. BE EXPECIALLY CAUTIOUS AT
NIGHT SINCE IT IS HARDER TO RECOGNIZE THE DANGERS OF FLASH FLOODS.
USE CAUTION IN AND AROUND STREAMS...CREEKS...OR DRAINAGE DITCHES.
TAKE THE SHORTEST PATH TO REACH HIGHER GROUND...BUT DO NOT DRIVE
THROUGH RISING WATER.

$$t

VPAPOL

LAT...LON 4043 10277 3987 10279 3990 10206 4042 10205

The office that day

Everything else NWS Goodland, KS issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 19, 6:53 PM MDTSevere Thunderstorm WarningGLDYuma67 min
Jul 19, 8:35 PM MDTSevere Thunderstorm WarningGLDYuma55 min
Jul 19, 9:33 PM MDTSevere Thunderstorm WarningGLDYuma57 min
Jul 19, 9:51 PM MDTTornado WarningGLDYuma39 min
Jul 19, 10:23 PM MDTTornado WarningGLDYuma52 min
Jul 20, 4:50 PM MDTSevere Thunderstorm WarningGLDYuma55 min
Jul 20, 5:45 PM MDTSevere Thunderstorm WarningGLDYuma60 min

Nearby

Flash Flood Warnings in Colorado, 2000Every flash flood warning in 2000

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.