Alert archive / Colorado / Flash Flood Warnings in 2004
Flash Flood Warning 4, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this flash flood warning at Jun 9, 2004, 6:17 PM MDT for Morgan County, Weld 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, 6:17 PM MDT (00:17 UTC)
- Expired
- Jun 9, 2004, 9:15 PM MDT
- In force
- 3 hr
- Issued by
- NWS Denver/Boulder, CO
- Area
- Counties, with a storm outline in the text
Counties Morgan County, CO, Weld County, CO
The radar
The Denver radar (KFTG), 76 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 71 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 RRA
FFWBOU
COC087-123-100315-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE DENVER CO
617 PM MDT WED JUN 9 2004
THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A
* FLASH FLOOD WARNING FOR...
MORGAN COUNTY IN NORTHEAST COLORADO
THIS INCLUDES THE CITY OF FORT MORGAN
SOUTH CENTRAL WELD COUNTY IN NORTHEAST COLORADO
* UNTIL 915 PM MDT
* AT 617 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
TORRENTIAL RAIN OVER MUCH OF MORGAN COUNTY. THE STORMS PRODUCING
THE HEAVY RAIN WERE MOVING NORTHEAST AT 10 MPH.
LOCATIONS IN THE WARNING INCLUDE...BUT ARE NOT LIMITED TO...ADENA...
ADENA SCHOOL...ANTELOPE SPRINGS...BRUSH...FORT MORGAN...GARY...
HILLROSE...HOYT...LOG LANE VILLAGE...SNYDER...TWELVE-MILE CORNER...
WELDONA AND WIGGINS.
NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATES THAT RAINFALL RATES
OF 2 TO 3 INCHES PER HOUR WERE OCCURRING WITH THESE STORMS. HIGHWAY
52 WAS UNDER 6 TO 12 INCHES OF WATER 7 MILES EAST OF PROSPECT VALLEY.
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.
EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS AND STREAMS AND OTHER
LOW LYING AREAS ARE SUBJECT TO FLASH FLOODING.
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 4023 10416 4000 10428 4001 10347 4053 10348
4051 10382
$$
BARJENBRUCH2 follow-up statements
000
WGUS75 KBOU 100141
FFSBOU
COC087-123-100315-
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
740 PM MDT WED JUN 9 2004
...FLASH FLOOD WARNING REMAINS IN EFFECT FOR MORGAN COUNTY AND SOUTH
CENTRAL WELD COUNTY UNTIL 915 PM MDT...
AT 735 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THAT RAIN WAS SLOWLY DECREASING ACROSS MORGAN COUNTY. THIS TREND
WILL CONTINUE THROUGH THE EVENING. RADAR INDICATED BETWEEN 2 AND 4
INCHES OF RAIN FELL IN A SHORT TIME BETWEEN WIGGINS...PROSPECT
VALLEY...AND HOYT EARLIER THIS EVENING. ANOTHER AREA OF 2 TO 4 INCH
RAINFALL WAS OBSERVED BETWEEN FORT MORGAN AND ANTELOPE SPRINGS.
THE MORGAN COUNTY SHERIFF REPORTED FLOODING ALONG COUNTY ROAD Y
BETWEEN COUNTY ROADS 21 AND 23. THESE ROADS HAVE BEEN WASHED OUT.
THE INTERSECTION OF MAIN AND SHERMAN IN THE TOWN OF FORT MORGAN WAS
ALSO CLOSED DUE TO HIGH WATER BUT HAS SINCE BEEN REOPENED.
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE. IF YOUR VEHICLE STALLS ABANDON IT IMMEDIATELY AND SEEK
HIGHER GROUND.
LAT...LON 4023 10416 4000 10428 4001 10347 4053 10348
4051 10382
$$
BARJENBRUCH000
WGUS75 KBOU 100317
FFSBOU
COC087-123-100330-
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
915 PM MDT WED JUN 9 2004
...FLASH FLOOD WARNING FOR MORGAN COUNTY AND SOUTH CENTRAL WELD
COUNTY HAS EXPIRED...
AT 915 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THAT THE RAIN HAD ENDED IN THE WARNING AREA. THE MORGAN COUNTY
SHERIFF REPORTED NO ADDITIONAL FLOODING PROBLEMS.
LAT...LON 4023 10416 4000 10428 4001 10347 4053 10348
4051 10382
$$
BARJENBRUCHThe office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 9, 6:18 PM MDT | Flash Flood Warning | BOU | Washington | 117 min |
| 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.