Alert archive / Colorado / Flash Flood Warnings in 2004
Flash Flood Warning 7, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this flash flood warning at Jun 17, 2004, 1:19 PM MDT for Douglas 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 as issued.
The facts
- Issued
- Jun 17, 2004, 1:19 PM MDT (19:19 UTC)
- Expired
- Jun 17, 2004, 3:45 PM MDT
- In force
- 2 hr
- Issued by
- NWS Denver/Boulder, CO
- Area
- Counties, with a storm outline in the text
County Douglas County, CO
The radar
The Denver radar (KFTG), 85 km from the middle of the area, began a volume at 19:21 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 12:00Z, 7.3 hours before the alert went out and 183 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
- 68 J/kg
- Mixed-layer CIN
- -278 J/kg
- Mixed-layer LCL
- 656 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 170 m²/s²
- 0-3 km storm-relative helicity
- 226 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
000
WGUS55 KBOU 171922
FFWBOU
COC035-172145-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE DENVER CO
119 PM MDT THU JUN 17 2004
THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A
* FLASH FLOOD WARNING FOR...
THE HAYMAN BURN AREA OF SOUTHWESTERN DOUGLAS COUNTY IN NORTHEAST
COLORADO
* UNTIL 345 PM MDT
* AT 119 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
VERY HEAVY RAIN 6 MILES SOUTHWEST OF WESTCREEK...OR ABOUT 29 MILES
NORTHWEST OF COLORADO SPRINGS. THE STORM PRODUCING THE HEAVY RAIN
WAS MOVING NORTHEAST AT 15 MPH.
LOCATIONS IN THE WARNING INCLUDE...BUT ARE NOT LIMITED TO...
WESTCREEK.
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.
RADAR ESTIMATES INDICATED THAT UP TO THREE QUARTERS OF AN INCH OF
RAIN HAS FALLEN WITH THESE STORMS JUST UPSTREAM FROM THE WARNING
AREA.
HEAVY RAINFALL WILL CAUSE FLASH FLOODING OF SMALL CREEKS...STREAMS...
AND DITCHES IN THE HAYMAN FIRE BURN AREA. SOME DRAINAGE BASINS
AFFECTED BY EXCESSIVE RUNOFF INCLUDE FOURMILE CREEK...GOOSE CREEK...
SIXMILE CREEK...TRAIL CREEK...TURKEY CREEK...WEST CREEK...AND OTHER
TRIBUTARIES OF THE SOUTH PLATTE RIVER. MUD AND ASH FLOWS CAN ALSO BE
EXPECTED ACROSS RURAL ROADS.
LAT...LON 3923 10523 3927 10519 3922 10513 3917 10511
3914 10509 3914 10531
$$
RJK2 follow-up statements
000
WGUS75 KBOU 172017
FFSBOU
COC035-172145-
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
215 PM MDT THU JUN 17 2004
A FLASH FLOOD WARNING REMAINS IN EFFECT FOR
EXTREME SOUTHWESTERN DOUGLAS COUNTY
UNTIL 345 PM MDT.
AT 210 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
THUNDERSTORM WITH HEAVY RAIN MOVING INTO SOUTHWEST DOUGLAS COUNTY.
THE STORM WAS MOVING NORTHEAST AT 15 MPH. RADAR AND RAIN GAGES
INDICATE UP TO A HALF INCH OF RAIN HAS FALLEN IN SOUTHWEST DOUGLAS
COUNTY IN THE HAYMAN BURN AREA.
LOCATIONS REMAINING IN THE WARNING INCLUDE...BUT ARE NOT LIMITED
TO...WESTCREEK.
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE. IF YOUR VEHICLE STALLS ABANDON IT IMMEDIATELY AND SEEK
HIGHER GROUND.
LAT...LON 3923 10523 3927 10519 3922 10513 3917 10511
3914 10509 3914 10531
$$
TH000
WGUS75 KBOU 172051
FFSBOU
COC035-172056-
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
251 PM MDT THU JUN 17 2004
A FLASH FLOOD WARNING THAT WAS IN EFFECT FOR
EXTREME SOUTHWESTERN DOUGLAS COUNTY
UNTIL 345 PM MDT HAS BEEN CANCELLED.
AT 250 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THAT HEAVY RAIN HAD MOVED OUT OF THE HAYMAN BURN AREA. THUNDERSTORMS
WITH LIGHT RAIN ARE POSSIBLE THROUGH THIS EVENING.
RADAR AND RAIN GAGES INDICATE THAT UP TO A HALF INCH OF RAIN FELL IN
SOUTHWEST DOUGLAS COUNTY IN THE HAYMAN BURN AREA. NO REPORTS OF
FLOODING HAVE BEEN RECEIVED SO THE WARNING HAS BEEN CANCELLED.
LAT...LON 3923 10523 3927 10519 3922 10513 3917 10511
3914 10509 3914 10531
$$
THThe office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 16, 6:17 PM MDT | Severe Thunderstorm Warning | BOU | Washington | 43 min |
| Jun 16, 7:30 PM MDT | Tornado Warning | BOU | Arapahoe, Elbert | 45 min |
| Jun 17, 2:02 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Arapahoe, Douglas | 58 min |
| Jun 17, 5:08 PM MDT | Severe Thunderstorm Warning | BOU | Lincoln | 67 min |
| Jun 17, 5:12 PM MDT | Tornado Warning | BOU | Lincoln | 48 min |
| Jun 17, 5:45 PM MDT | Tornado Warning | BOU | Lincoln | 30 min |
Nearby
Flash Flood Warnings in Colorado, 2004Every flash flood warning in 2004
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.