Alert archive / Colorado / Flash Flood Warnings in 2004
Flash Flood Warning 9, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this flash flood warning at Jun 27, 2004, 5:44 PM MDT for Douglas County, Jefferson 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 27, 2004, 5:44 PM MDT (23:44 UTC)
- Expired
- Jun 27, 2004, 8:45 PM MDT
- In force
- 3 hr
- Issued by
- NWS Denver/Boulder, CO
- Area
- Counties, with a storm outline in the text
Counties Douglas County, CO, Jefferson County, CO
The radar
The Denver radar (KFTG), 92 km from the middle of the area, began a volume at 23:44 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, 11.7 hours before the alert went out and 193 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
- 9 J/kg
- Mixed-layer CIN
- -131 J/kg
- Mixed-layer LCL
- 1188 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- 6 m²/s²
- 0-3 km storm-relative helicity
- 3 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 272347 FFWBOU COC035-059-280245- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE DENVER CO 544 PM MDT SUN JUN 27 2004 THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A * FLASH FLOOD WARNING FOR... SOUTHWESTERN DOUGLAS COUNTY IN NORTHEAST COLORADO SOUTHWESTERN JEFFERSON COUNTY IN NORTHEAST COLORADO * UNTIL 845 PM MDT * AT 544 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN OVER CHEESMAN RESERVOIR...OR ABOUT 26 MILES SOUTHWEST OF CASTLE ROCK. THE STORM PRODUCING THE HEAVY RAIN WAS MOVING SOUTHEAST AT 5 MPH. LOCATIONS IN THE WARNING INCLUDE...BUT ARE NOT LIMITED TO...CHEESMAN RESERVOIR...DECKERS AND WESTCREEK. THIS INCLUDES THE HAYMAN BURN AREA. AUTOMATED RAIN GAUGES INDICATED THAT AN INCH OF RAIN HAD ALREADY FALLEN OVER THE NORTHERN PORTIONS OF THE HAYMAN BURN AREA. ADDITIONAL RAINFALL IS ALSO EXPECTED THROUGH 7 PM...WITH RAINFALL EXPECTED TO BE HEAVY AT TIMES. 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 3913 10540 3913 10512 3930 10518 3928 10540 $$ ENTREKIN
2 follow-up statements
000 WGUS75 KBOU 280112 FFSBOU COC035-059-280245- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE DENVER CO 703 PM MDT SUN JUN 27 2004 A FLASH FLOOD WARNING REMAINS IN EFFECT FOR SOUTHWESTERN DOUGLAS COUNTY SOUTHWESTERN JEFFERSON COUNTY UNTIL 845 PM MDT. AT 703 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN OVER DECKERS...OR ABOUT 22 MILES SOUTHWEST OF CASTLE ROCK. THE STORM PRODUCING THE HEAVY RAIN WAS MOVING EAST AT 5 MPH. THE HEAVIEST RAINFALL IS NOW OCCURRING FROM DECKERS TO WEST CREEK AND MOVING SLOWLY EASTWARD. THERE WILL BE A GENERAL DECREASE IN RAINFALL INTENSITY THROUGH 8 PM. LIGHTER RAINFALL IS STILL OCCURRING IN THE WESTERN PORTIONS OF THE HAYMAN BURN. LOCATIONS REMAINING IN THE WARNING INCLUDE...BUT ARE NOT LIMITED TO...CHEESMAN RESERVOIR...DECKERS AND WESTCREEK. AUTOMATED RAIN GAUGES INDICATED 1.73 INCHES OF RAIN HAD FALLEN ON WIGWAM CREEK IN THE NORTHERN PORTIONS OF THE HAYMAN BURN AREA. A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING. IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY. RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY AUTOMOBILE. IF YOUR VEHICLE STALLS ABANDON IT IMMEDIATELY AND SEEK HIGHER GROUND. HEAVY RAINFALL WILL CAUSE FLASH FLOODING OF SMALL CREEKS...STREAMS... AND DITCHES IN THE HAYMAN FIRE BURN AREA. SOME DRAINAGE BASINS AFFECTED BY EXCESSIVE RUNOFF INCLUDE FOURMILE CREEK...GOOSE CREEK... SIXMILE CREEK...TRAIL CREEK...TURKEY CREEK...WEST CREEK...AND OTHER TRIBUTARIES OF THE SOUTH PLATTE RIVER. MUD AND ASH FLOWS CAN ALSO BE EXPECTED ACROSS RURAL ROADS. LAT...LON 3913 10540 3914 10512 3930 10519 $$ ENTREKIN
000 WGUS75 KBOU 280216 FFSBOU COC035-059-280223- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE DENVER CO 815 PM MDT SUN JUN 27 2004 THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR SOUTHWESTERN DOUGLAS COUNTY SOUTHWESTERN JEFFERSON COUNTY UNTIL 815 PM MDT HAS BEEN CANCELLED. AT 807 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THE HEAVIEST RAIN HAS ENDED ACROSS THE HAYMAN BURN AREA. THERE WILL JUST BE A FEW LIGHT RAIN SHOWERS THROUGH 9 PM. PERSONS IN AND NEAR CHEESMAN RESERVOIR...DECKERS AND WESTCREEK SHOULD REMAIN ALERT TO CHANGING WEATHER CONDITIONS. AUTOMATED RAINFALL GUAGES INDICATED UP TO 1.81 INCHES OF RAIN HAD FALLEN OVER THE NORTHERN PORTIONS OF THE BURN AREA ON WIGWAM CREEK. LAT...LON 3913 10540 3913 10512 3930 10518 3928 10540 $$ ENTREKIN
The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 26, 8:08 PM MDT | Severe Thunderstorm Warning | BOU | Morgan | 52 min |
| Jun 27, 3:55 PM MDT | Flash Flood Warning | BOU | Douglas, Jefferson | 3 hr |
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.