Alert archive / Colorado / Flash Flood Warnings in 2004
Flash Flood Warning 2, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this flash flood warning at Jun 8, 2004, 8:51 PM MDT for Adams County, Denver 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 8, 2004, 8:51 PM MDT (02:51 UTC)
- Expired
- Jun 8, 2004, 11:45 PM MDT
- In force
- 3 hr
- Issued by
- NWS Denver/Boulder, CO
- Area
- Counties, with a storm outline in the text
Counties Adams County, CO, Denver County, CO, Jefferson County, CO
The radar
The Denver radar (KFTG), 50 km from the middle of the area, began a volume at 02:54 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, 2.9 hours before the alert went out and 163 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
- 1269 J/kg
- Mixed-layer CIN
- -49 J/kg
- Mixed-layer LCL
- 2105 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- -28 m²/s²
- 0-3 km storm-relative helicity
- 182 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS55 KBOU 090252 FFWBOU COC001-031-059-090545- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE DENVER CO 851 PM MDT TUE JUN 8 2004 THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A * FLASH FLOOD WARNING FOR... WEST CENTRAL ADAMS COUNTY IN NORTHEAST COLORADO DENVER COUNTY IN NORTHEAST COLORADO THIS INCLUDES THE CITY OF DENVER NORTHEASTERN JEFFERSON COUNTY IN NORTHEAST COLORADO * UNTIL 1145 PM MDT * AT 851 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN OVER GOLDEN...OR ABOUT 12 MILES WEST OF DENVER. THE STORM PRODUCING THE HEAVY RAIN WAS MOVING NORTHEAST AT 20 MPH. THE STORM MOVING SLOWLY EASTWARD THROUGH WARNED AREA WAS PRODUCING RAINFALL AT THE RATE OF 2 INCHES PER HOUR. LOCATIONS IN THE WARNING INCLUDE...BUT ARE NOT LIMITED TO...ARVADA... SOUTHWESTERN COMMERCE CITY...DENVER...GOLDEN...NORTHERN LAKEWOOD... SOUTHWESTERN NORTHGLENN...SOUTHWESTERN THORNTON...SOUTHERN WESTMINSTER...WHEAT RIDGE AND FEDERAL HEIGHTS. 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...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS. 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 3984 10528 3969 10523 3971 10494 3989 10494 $$ BARJENBRUCH
4 follow-up statements
000 WGUS75 KBOU 090308 FFSBOU COC001-031-059-090545- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE DENVER CO 905 PM MDT TUE JUN 8 2004 ...A FLASH FLOOD WARNING REMAINS IN EFFECT FOR NORTHEASTERN JEFFERSON COUNTY...WEST CENTRAL ADAMS COUNTY...AND DENVER COUNTY UNTIL 1145 PM MDT... THIS IS A LIFE THREATENING SITUATION. MOVE TO HIGHER GROUND IMMEDIATELY. DO NOT DRIVE THROUGH FLOODED ROADS OR INTERSECTIONS. AT 905 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED TORRENTIAL RAIN EXTENDING BETWEEN GOLDEN...ARVADA...AND WHEAT RIDGE. THE STORMS PRODUCING THE TORRENTIAL RAIN WERE MOVING VERY SLOWLY NORTHEAST AT 5 TO 10 MPH. AUTOMATED RAIN GAGES INDICATED THAT BETWEEN 2 AND 3 INCHES OF RAIN HAS FALLEN IN THE AREA BETWEEN GOLDEN AND WHEAT RIDGE. RAINFALL RATES OF OVER 2 INCHES IN 45 MINUTES HAS BEEN OBSERVED FROM THE STORMS. LOCATIONS IN THE WARNING INCLUDE...BUT ARE NOT LIMITED TO...ARVADA... SOUTHWESTERN COMMERCE CITY...DENVER...GOLDEN...NORTHERN LAKEWOOD... SOUTHWESTERN NORTHGLENN...SOUTHWESTERN THORNTON...SOUTHERN WESTMINSTER...WHEAT RIDGE AND FEDERAL HEIGHTS. A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING. IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY. RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. FLASH FLOODING OF SMALL CREAKS AND STREAMS....URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS CAN ALSO BE EXPECTED. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND. LAT...LON 3984 10528 3969 10523 3971 10494 3989 10494 $$ BARJENBRUCH
000 WGUS75 KBOU 090354 FFSBOU COC001-031-059-090545- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE DENVER CO 952 PM MDT TUE JUN 8 2004 ...A FLASH FLOOD WARNING REMAINS IN EFFECT FOR NORTHEASTERN JEFFERSON COUNTY UNTIL 1145 PM MDT... THIS IS A LIFE THREATENING SITUATION. MOVE TO HIGHER GROUND IMMEDIATELY. DO NOT DRIVE THROUGH FLOODED ROADS OR INTERSECTIONS. ...THE FLASH FLOOD WARNING FOR WEST CENTRAL ADAMS COUNTY AND DENVER COUNTY HAS BEEN CANCELLED... AT 945 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE TORRENTIAL RAIN WAS FINALLY DECREASING AND MOVING NORTH OUT OF THE GOLDEN...ARVADA...AND WHEAT RIDGE AREAS. THERE HAVE BEEN SEVERAL REPORTS OF PEOPLE BEING RESCUED OUT OF FLOODED CARS ON WEST COLFAX BETWEEN KIPLING AND MILLER. WATER SEVERAL FEET DEEP HAS BEEN REPORTED ON MANY ROADS AS WELL. NATIONAL WEATHER SERVICE DOPPLER RADAR AND RAIN GAGES INDICATE THAT AROUND 3 INCHES OF RAIN FELL IN THE AREA BETWEEN GOLDEN...ARVADA... AND WHEAT RIDGE. LOCATIONS REMAINING IN THE WARNING INCLUDE...BUT ARE NOT LIMITED TO...ARVADA...GOLDEN...NORTHERN LAKEWOOD...AND WHEAT RIDGE. 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. FLASH FLOODING OF SMALL CREAKS AND STREAMS....URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES...AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS CAN ALSO BE EXPECTED. 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. IT IS ESPECIALLY DIFFICULT AT NIGHT TO DETERMINE THE DEPTH OF THE WATER. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND. LAT...LON 3984 10528 3969 10523 3971 10494 3989 10494 $$ BARJENBRUCH
000 WGUS75 KBOU 090448 FFSBOU COC059-090545- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE DENVER CO 1047 PM MDT TUE JUN 8 2004 ...A FLASH FLOOD WARNING REMAINS IN EFFECT FOR NORTHEASTERN JEFFERSON COUNTY UNTIL 1145 PM MDT... AT 1045 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE RAIN IN THE WARNED AREA HAD ENDED. THE JEFFERSON COUNTY SHERIFF AND WEST METRO FIRE DEPARTMENT REPORTED CONSIDERABLE FLOODING IN THE LENA GULCH AREA. SPECIFICALLY... FLOODING WAS REPORTED IN 30 HOMES AROUND THE 1300 BLOCK OF ISABELLE. HOME FLOODING WAS ALSO REPORTED NEAR 30TH AND INDIANA. LOCATIONS REMAINING IN THE WARNING INCLUDE...BUT ARE NOT LIMITED TO...ARVADA...GOLDEN...NORTHERN LAKEWOOD...AND WHEAT RIDGE. A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING. IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY. RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. FLASH FLOODING OF SMALL CREAKS AND STREAMS....URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES...AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS CAN BE EXPECTED. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. IT IS ESPECIALLY DIFFICULT AT NIGHT TO DETERMINE THE DEPTH OF THE WATER. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND. LAT...LON 3984 10528 3969 10523 3971 10494 3989 10494 $$ BARJENBRUCH
000 WGUS75 KBOU 090545 FFSBOU COC059-090600- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE DENVER CO 1145 PM MDT TUE JUN 8 2004 ...THE FLASH FLOOD WARNING FOR NORTHEASTERN JEFFERSON COUNTY HAS EXPIRED... THE JEFFERSON COUNTY SHERIFF AND WEST METRO FIRE DEPARTMENT REPORTED THAT FLOODING HAD DIMINISHED SIGNIFICANTLY. AUTOMATED STREAM GAGES ALSO SHOWED THAT STREAM LEVELS HAVE DECREASED. CONSIDERABLE HAIL REMAINED ON THE ROADS IN THE COLORADO MILLS SHOPPING DISTRICT. THE HAIL WAS REPORTED AS BEING KNEE DEEP OVER A WIDESPREAD AREA. MOTORISTS SHOULD BE ON THE LOOKOUT FOR WATER COVERED OR WASHED OUT ROADS. IT IS ESPECIALLY DIFFICULT AT NIGHT TO DETERMINE THE DEPTH OF THE WATER ON ROADS. DO NOT DRIVE THROUGH FLOODED STREETS. LAT...LON 3984 10528 3969 10523 3971 10494 3989 10494 $$ BARJENBRUCH
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, 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, 4:39 PM MDT | Flash Flood Warning | BOU | Douglas | 3 hr |
| 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.