Alert archive / Colorado / Flash Flood Warnings in 2004
Flash Flood Warning 5, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this flash flood warning at Jun 9, 2004, 6:18 PM MDT for Washington County, Colorado. It was in force for 117 min. 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, 6:18 PM MDT (00:18 UTC)
- Expired
- Jun 9, 2004, 8:15 PM MDT
- In force
- 117 min
- Issued by
- NWS Denver/Boulder, CO
- Area
- Counties, with a storm outline in the text
County Washington County, CO
The radar
The Denver radar (KFTG), 124 km from the middle of the area, began a volume at 00:19 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, 0.3 hours before the alert went out and 21 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
- 484 J/kg
- Mixed-layer CIN
- -150 J/kg
- Mixed-layer LCL
- 1212 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 116 m²/s²
- 0-3 km storm-relative helicity
- 380 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 6.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS55 KBOU 100019 FFWBOU COC121-100215- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE DENVER CO 618 PM MDT WED JUN 9 2004 THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A * FLASH FLOOD WARNING FOR... SOUTHEASTERN WASHINGTON COUNTY IN NORTHEAST COLORADO * UNTIL 815 PM MDT * AT 618 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN 7 MILES SOUTH OF ARICKAREE SCHOOL...OR ABOUT 37 MILES SOUTH OF AKRON. THE STORM PRODUCING THE HEAVY RAIN WAS MOVING NORTH AT 10 MPH. LOCATIONS IN THE WARNING INCLUDE...BUT ARE NOT LIMITED TO...ANTON... ARICKAREE SCHOOL...COPE AND THURMAN. 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. DOPPLER RADAR ESTIMATES THAT AROUND 3 INCHES OF RAIN HAS FALLEN OVER SOUTHEAST WASHINGTON COUNTY DURING THE PAST 90 MINUTES. EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL CREEKS AND STREAMS...COUNTRY ROADS...NORMALLY DRY WASHES AND ARROYOS...AS WELL AS FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS. LAT...LON 3981 10328 3957 10329 3958 10282 3980 10283 $$ RPK
1 follow-up statement
000 WGUS75 KBOU 100216 FFSBOU COC121-100230- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE DENVER CO 813 PM MDT WED JUN 9 2004 THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR SOUTHEASTERN WASHINGTON COUNTY UNTIL 815 PM MDT HAS EXPIRED. AT 813 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED RAIN HAD ENDED OVER SOUTHEAST WASHINGTON COUNTY. DOPPLER RADAR ESTIMATES THAT AROUND 3 INCHES OF RAIN FELL EARLIER THIS EVENING OVER SOUTHEAST WASHINGTON COUNTY. NO REPORTS OF FLOODING HAVE BEEN RECEIVED. LAT...LON 3981 10328 3957 10329 3958 10282 3980 10283 $$ RPK
The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 9, 6:17 PM MDT | Flash Flood Warning | BOU | Morgan, Weld | 3 hr |
| Jun 9, 6:58 PM MDT | Tornado Warning | BOU | Logan | 47 min |
| Jun 9, 7:08 PM MDT | Flash Flood Warning | BOU | Logan | 3 hr |
| Jun 10, 1:36 PM MDT | Severe Thunderstorm Warning | BOU | Logan, Sedgwick | 54 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.