Alert archive / Colorado / Flash Flood Warnings in 1997
Flash Flood Warning 3, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this flash flood warning at Jun 13, 1997, 6:30 PM MDT for Weld County, Colorado. It was in force for 16 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 13, 1997, 6:30 PM MDT (00:30 UTC)
- Expired
- Jun 14, 1997, 10:00 AM MDT
- In force
- 16 hr
- Issued by
- NWS Denver/Boulder, CO
- Area
- Whole counties
County Weld County, CO
The radar
The Cheyenne radar (KCYS), 75 km from the middle of the area, began a volume at 00:34 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, 0.5 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.
- Mixed-layer CAPE
- 42 J/kg
- Mixed-layer CIN
- -47 J/kg
- Mixed-layer LCL
- 1375 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 81 m²/s²
- 0-3 km storm-relative helicity
- 119 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 140028
FFWDEN
COC123-141600-
BULLETIN - EAS ACTIVATION REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE DENVER CO
630 PM MDT FRI JUN 13 1997
THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A FLOOD WARNING
EFFECTIVE UNTIL 1000 AM MDT FOR PEOPLE IN THE FOLLOWING COUNTIES
IN NORTHEAST COLORADO
CENTRAL WELD
INCLUDING THE FOLLOWING LOCATIONS
KERSEY...HARDIN...DEARFIELD AND MASTERS
A FLOOD WARNING HAS BEEN ISSUED ALONG THE SOUTH PLATTE RIVER FROM
KERSEY EAST TO THE WELD-MORGAN COUNTY LINE.
HOMES IN KERSEY HAVE BEEN FLOODED AND HIGHWAY 34 EAST OF KERSEY HAS
ALSO BEEN FLOODED.
A FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR HAS BEEN REPORTED.
ALL INTERESTED PARTIES FROM KERSEY E$AST TO THE WELD-MORGAN COUNTY
LINE ALONG THE SOUTH PLATTE RIVER SHOULD TAKE NECESSARY PRECAUTIONS
IMMEDIATELY.
KLEYLA...WSFO DENVERThe office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 13, 6:12 PM MDT | Severe Thunderstorm Warning | BOU | Elbert | 48 min |
| Jun 13, 6:12 PM MDT | Severe Thunderstorm Warning | BOU | Elbert, Lincoln | 33 min |
| Jun 13, 6:57 PM MDT | Severe Thunderstorm Warning | BOU | Lincoln | 43 min |
| Jun 13, 7:07 PM MDT | Tornado Warning | BOU | Elbert | 23 min |
| Jun 13, 7:30 PM MDT | Severe Thunderstorm Warning | BOU | Elbert | 45 min |
| Jun 13, 8:15 PM MDT | Tornado Warning | BOU | Elbert | 30 min |
| Jun 13, 8:47 PM MDT | Tornado Warning | BOU | Elbert, Lincoln | 43 min |
| Jun 13, 9:31 PM MDT | Severe Thunderstorm Warning | BOU | Lincoln | 44 min |
| Jun 14, 3:53 PM MDT | Severe Thunderstorm Warning | BOU | Elbert | 42 min |
| Jun 14, 3:55 PM MDT | Severe Thunderstorm Warning | BOU | Boulder, Larimer | 35 min |
| Jun 14, 4:22 PM MDT | Severe Thunderstorm Warning | BOU | Larimer, Weld | 23 min |
| Jun 14, 4:26 PM MDT | Severe Thunderstorm Warning | BOU | Arapahoe, Elbert | 29 min |
| Jun 14, 4:26 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Washington | 29 min |
| Jun 14, 4:39 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Arapahoe, Denver | 51 min |
| Jun 14, 4:45 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 30 min |
| Jun 14, 5:00 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Arapahoe, Washington | 35 min |
| Jun 14, 5:00 PM MDT | Severe Thunderstorm Warning | BOU | Elbert | 35 min |
| Jun 14, 5:23 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Arapahoe, Denver | 52 min |
| Jun 14, 5:51 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 29 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.