Alert archive / Colorado / Flash Flood Warnings in 2000
Flash Flood Warning 7, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this flash flood warning at Aug 16, 2000, 1:45 PM MDT for Larimer 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
- Aug 16, 2000, 1:45 PM MDT (19:45 UTC)
- Expired
- Aug 16, 2000, 3:45 PM MDT
- In force
- 2 hr
- Issued by
- NWS Denver/Boulder, CO
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Larimer County, CO
The nearest sounding before it
Denver, CO (KDNR), launched 12:00Z, 7.8 hours before the alert went out and 184 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
- 110 J/kg
- Mixed-layer CIN
- -216 J/kg
- Mixed-layer LCL
- 1743 m above ground
- 0-6 km bulk shear
- 4 kt
- 0-1 km storm-relative helicity
- -1 m²/s²
- 0-3 km storm-relative helicity
- 86 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WGUS55 KBOU 161948 COR
FFWDEN
COC069-162145-
BULLETIN - EAS ACTIVATION REQUESTED...CORRECTION...
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE DENVER CO
145 PM MDT WED AUG 16 2000
THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTH CENTRAL LARIMER COUNTY IN NORTH CENTRAL COLORADO
* UNTIL 345 PM MDT
* AT 141 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
VERY HEAVY RAIN OVER THE BOBCAT BURN AREA JUST NORTH OF DRAKE...OR
ABOUT 20 MILES SOUTHWEST OF FORT COLLINS. THE STORMS PRODUCING THE
HEAVY RAIN WERE MOVING SLOWLY EAST AT 5 MPH. OTHER STORMS WERE WEST
OF THE AREA...AND WILL BE MOVING OVER THE AREA BY 3PM.
LOCATIONS IN THE WARNING INCLUDE...BUT ARE NOT LIMITED
TO...MASONVILLE AND DRAKE.
AUTOMATED RAIN GAGES IN THE BURN AREA RECORDED 1.14 INCHES OF RAIN
HAD FALLEN SINCE 1230 PM.
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE. IF YOUR VEHICLE STALLS, ABANDON IT IMMEDIATELY AND SEEK
HIGHER GROUND.
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY.
MOVE TO HIGHER GROUND.
LAT...LON 4047 10519 4040 10515 4041 10530 4044 10540
4048 10534
LESZCYNSKIThe office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 15, 6:00 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 30 min |
| Aug 16, 3:55 PM MDT | Flash Flood Warning | BOU | Larimer | 65 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.