Alert archive / Colorado / Flash Flood Warnings in 2004
Flash Flood Warning 3, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this flash flood warning at Jun 9, 2004, 4:39 PM MDT for Douglas County, Colorado. It was in force for 3 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 9, 2004, 4:39 PM MDT (22:39 UTC)
- Expired
- Jun 9, 2004, 7:45 PM MDT
- In force
- 3 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), 86 km from the middle of the area, began a volume at 22:38 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, 10.7 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
- 25 J/kg
- Mixed-layer CIN
- -342 J/kg
- Mixed-layer LCL
- 1625 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 52 m²/s²
- 0-3 km storm-relative helicity
- 105 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 092241 FFWBOU COC035-100145- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE DENVER CO 439 PM MDT WED JUN 9 2004 THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A * FLASH FLOOD WARNING FOR... SOUTHWESTERN DOUGLAS COUNTY IN NORTHEAST COLORADO * UNTIL 745 PM MDT * AT 439 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN OVER WESTCREEK IN THE HAYMAN BURN AREA...OR ABOUT 28 MILES NORTHWEST OF COLORADO SPRINGS. THE STORM PRODUCING THE HEAVY RAIN WAS MOVING NORTHEAST AT 10 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. 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 3914 10528 3914 10511 3922 10499 3927 10520 $$ LESZCYNSKI
2 follow-up statements
000 WGUS75 KBOU 092337 FFSBOU COC035-100145- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE DENVER CO 537 PM MDT WED JUN 9 2004 A FLASH FLOOD WARNING REMAINS IN EFFECT FOR THE HAYMAN BURN AREA IN SOUTHWEST DOUGLAS COUNTY UNTIL 745 PM MDT. AT 535 PM MDT...NATIONAL WEATHER DOPPLER RADAR INDICATED HEAVY RAINFALL HAD MOVED OUT OF THE HAYMAN BURN AREA IN SOUTHWEST DOUGLAS COUNTY. HOWEVER...THE STORM HAD PRODUCED ABOUT ONE HALF INCH TO 1 INCH OF RAIN. THE HEAVIEST RAIN HAD FALLEN ALONG THE TRAIL CREEK AND WEST CREEK DRAINAGE BASINS. FLASH FLOODING IS POSSIBLE THROUGH 7 PM ALONG THOSE CREEKS AS WELL AS NORMALLY DRY DITCHES THAT FLOW INTO THOSE STREAMS. MUD AND ASH FLOWS ARE ALSO POSSIBLE ACROSS RURAL ROADS. DO NOT DRIVE THROUGH FLOODED AREAS. IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY. RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY AUTOMOBILE. IF YOUR VEHICLE STALLS ABANDON IT IMMEDIATELY AND SEEK HIGHER GROUND. LAT...LON 3914 10528 3914 10511 3922 10499 3927 10520 $$ HUSE
000 WGUS75 KBOU 100015 FFSBOU COC035-100030- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE DENVER CO 615 PM MDT WED JUN 9 2004 THE FLASH FLOOD WARNING FOR THE HAYMAN BURN AREA IN SOUTHWEST DOUGLAS COUNTY UNTIL 745 PM HAS BEEN CANCELLED. AT 610 PM MDT...NATIONAL WEATHER DOPPLER RADAR INDICATED HEAVY RAINFALL HAD MOVED OUT OF THE HAYMAN BURN AREA...AND WATER OVER ROADS HAD RECEDED. PERSONS IN AND AROUND THE WESTCREEK AREA SHOULD REMAIN ALERT TO CHANGING WEATHER CONDITIONS. MOTORISTS SHOULD BE ON THE LOOKOUT FOR POSSIBLE DEBRIS REMAINING ON ROADS. ADDITIONAL THUNDERSTORMS MAY MOVE OVER THE HAYMAN BURN AREA THROUGH 8 PM THIS EVENING WITH AN ADDITIONAL TENTH TO A QUARTER INCH OF RAIN POSSIBLE. LAT...LON 3914 10528 3914 10511 3922 10499 3927 10520 $$ HUSE
The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 8, 6:07 PM MDT | Flash Flood Warning | BOU | Douglas, Jefferson | 113 min |
| Jun 8, 7:58 PM MDT | Severe Thunderstorm Warning | BOU | Jefferson | 47 min |
| Jun 8, 8:40 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Denver, Jefferson | 65 min |
| Jun 8, 8:51 PM MDT | Flash Flood Warning | BOU | Adams, Denver, Jefferson | 3 hr |
| Jun 8, 9:19 PM MDT | Severe Thunderstorm Warning | BOU | Boulder, Larimer | 56 min |
| Jun 9, 1:55 PM MDT | Severe Thunderstorm Warning | BOU | Douglas, Jefferson | 50 min |
| Jun 9, 2:34 PM MDT | Severe Thunderstorm Warning | BOU | Arapahoe, Denver, Douglas, Jefferson | 56 min |
| Jun 9, 2:48 PM MDT | Tornado Warning | BOU | Arapahoe, Denver, Jefferson | 42 min |
| Jun 9, 2:49 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Arapahoe | 56 min |
| Jun 9, 2:51 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 54 min |
| Jun 9, 3:32 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Arapahoe, Denver, Jefferson | 58 min |
| Jun 9, 3:46 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Arapahoe | 59 min |
| Jun 9, 4:18 PM MDT | Tornado Warning | BOU | Adams | 42 min |
| Jun 9, 4:43 PM MDT | Severe Thunderstorm Warning | BOU | Morgan, Weld | 62 min |
| Jun 9, 4:57 PM MDT | Tornado Warning | BOU | Adams | 63 min |
| Jun 9, 5:08 PM MDT | Severe Thunderstorm Warning | BOU | Douglas | 52 min |
| Jun 9, 5:46 PM MDT | Severe Thunderstorm Warning | BOU | Morgan | 59 min |
| Jun 9, 5:52 PM MDT | Severe Thunderstorm Warning | BOU | Washington | 53 min |
| Jun 9, 5:59 PM MDT | Tornado Warning | BOU | Morgan | 46 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.