Alert archive / Colorado / Flash Flood Warnings in 1997
Flash Flood Warning 5, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this flash flood warning at Jun 15, 1997, 3:25 AM MDT for Phillips 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 outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.
The facts
- Issued
- Jun 15, 1997, 3:25 AM MDT (09:25 UTC)
- Expired
- Jun 15, 1997, 5:30 AM MDT
- In force
- 2 hr
- Issued by
- NWS Denver/Boulder, CO
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Phillips County, CO
The radar
The Goodland radar (KGLD), 149 km from the middle of the area, began a volume at 09:25 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, 9.4 hours before the alert went out and 115 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.
- 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
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KDEN 150928
FFWDEN
COC095-151130-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE DENVER CO
325 AM MDT SUN JUN 15 1997
THE NATIONAL WEATHER SERVICE IN DENVER HAS EXTENDED THE FLASH FLOOD
WARNING EFFECTIVE UNTIL 530 AM MDT FOR PEOPLE IN THE FOLLOWING
COUNTIES
IN NORTHEAST COLORADO
PHILLIPS
INCLUDING THE FOLLOWING LOCATIONS
AMHERST...FAIRFIELD...HAXTUN...HIGHLAND CENTER...HOLYOKE...
PAOLI...PLEASANT VALLEY AND WAGES
THE PHILLIPS COUNTY SHERIFF REPORTED THAT FLASH FLOODING WAS STILL
OCCURRING OVER MUCH OF THE COUNTY. AUTOMOBILES HAVE BEEN WASHED OFF
THE ROAD AND MANY MOTORISTS WERE STRANDED IN THEIR CARS. THIS IS A
DANGEROUS SITUATION! MANY HIGHWAYS HAVE BEEN CLOSED...INCLUDING
HIGHWAY 385 NORTH OF HOLYOKE...HIGHWAY 6 WEST OF HOLYOKE...AND
HIGHWAY 23 IN THE AMHERST AREA.
THE HEAVY RAIN HAS ENDED FOR THE MOST PART OVER PHILLIPS COUNTY...
BUT STREAMS WILL CONTINUE TO RISE DURING THE NEXT HOUR FROM
EXCESSIVE RUNOFF FROM EARLIER STORMS. NATIONAL WEATHER SERVICE
DOPPLER RADAR INDICATES OVER 4 INCHES OF RAIN HAS FALLEN IN AREAS
FROM PAOLI THROUGH AMHERST. LINGERING SHOWERS AND THUNDERSTORMS
WILL CONTINUE THROUGH 5 AM...BUT ADDITIONAL RAINFALL AMOUNTS SHOULD
BE LESS THAN 1/2 OF AN INCH.
A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING. IF YOU ARE
IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY. RESIDENTS
LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE PRECAUTIONS.
DO NOT DRIVE ACROSS FLOODED AREAS. YOU NEVER KNOW HOW DEEP THE
WATER REALLY IS!!!
BARJENBRUCH
LAT...LON 4074 10207 4046 10208 4046 10269 4074 10263The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 14, 6:05 PM MDT | Severe Thunderstorm Warning | BOU | Morgan, Weld | 35 min |
| Jun 14, 7:35 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Washington | 25 min |
| Jun 14, 7:55 PM MDT | Severe Thunderstorm Warning | BOU | Logan, Phillips, Sedgwick | 45 min |
| Jun 14, 8:52 PM MDT | Severe Thunderstorm Warning | BOU | Logan, Phillips, Sedgwick | 38 min |
| Jun 14, 9:38 PM MDT | Severe Thunderstorm Warning | BOU | Phillips | 27 min |
| Jun 15, 12:33 AM MDT | Flash Flood Warning | BOU | Phillips | 3 hr |
| Jun 15, 5:23 AM MDT | Flash Flood Warning | BOU | Phillips | 3 hr |
| Jun 15, 1:41 PM MDT | Severe Thunderstorm Warning | BOU | Larimer, Weld | 34 min |
| Jun 15, 3:11 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Boulder, Weld | 34 min |
| Jun 15, 3:20 PM MDT | Tornado Warning | BOU | Adams, Weld | 25 min |
| Jun 15, 3:20 PM MDT | Tornado Warning | BOU | Boulder | 25 min |
| Jun 15, 3:53 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Weld | 32 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.