Alert archive / Colorado / Flash Flood Warnings in 2005
Flash Flood Warning 3, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this flash flood warning at Jun 3, 2005, 4:31 PM MDT for Arapahoe County, Denver County, Colorado. It was in force for 119 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 3, 2005, 4:31 PM MDT (22:31 UTC)
- Expired
- Jun 3, 2005, 6:30 PM MDT
- In force
- 119 min
- Issued by
- NWS Denver/Boulder, CO
- Area
- Counties, with a storm outline in the text
Counties Arapahoe County, CO, Denver County, CO
The radar
The Denver radar (KFTG), 38 km from the middle of the area, began a volume at 22:34 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, 10.5 hours before the alert went out and 149 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
- 17 J/kg
- Mixed-layer CIN
- -149 J/kg
- Mixed-layer LCL
- 1341 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 29 m²/s²
- 0-3 km storm-relative helicity
- 115 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 032233 FFWBOU COC005-031-040030- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE DENVER CO 431 PM MDT FRI JUN 3 2005 THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A * FLASH FLOOD WARNING FOR... WESTERN ARAPAHOE COUNTY IN NORTHEAST COLORADO CENTRAL DENVER COUNTY IN NORTHEAST COLORADO THIS INCLUDES THE CITY OF DENVER * UNTIL 630 PM MDT * AT 429 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN FROM A THUNDERSTORM OVER WESTERN CENTENNIAL... OR ABOUT 9 MILES SOUTH OF DENVER. THIS STORM WAS MOVING NORTHEAST AT 10 MPH. * LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO SHERIDAN... GREENWOOD VILLAGE...NORTHEASTERN LITTLETON...ENGLEWOOD...DENVER WESTERN CENTENNIAL AND WESTERN AURORA. RAINFALL RATES OF UP TO 2 INCHES AN HOUR ARE EXPECTED WITH THIS STORM. THE GREATEST THREAT APPEARS TO BE FROM WESTERN CENTENNIAL INTO SOUTHEAST DENVER. THIS INCLUDES FLOOD PRONE AREAS BETWEEN DOWNTOWN AND THE DENVER TECH CENTER. 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. TURN AROUND...DO NOT DROWN. 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 AS THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. DO NOT UNDERESTIMATE THE POWER OF FLOOD WATERS. ONLY A FEW INCHES OF RAPIDLY FLOWING WATER CAN QUICKLY CARRY AWAY YOUR VEHICLE. TURN AROUND...DO NOT DROWN. LAT...LON 3957 10503 3957 10483 3974 10478 3974 10505 $$
2 follow-up statements
000 WGUS75 KBOU 032300 FFSBOU FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE DENVER CO 456 PM MDT FRI JUN 3 2005 COC005-031-040030- ARAPAHOE CO-DENVER CO- 456 PM MDT FRI JUN 3 2005 ...A FLASH FLOOD WARNING CONTINUES UNTIL 630 PM MDT FOR DENVER AND WESTERN ARAPAHOE COUNTIES... AT 454 PM MDT...AMATEUR RADIO WEATHER SPOTTERS REPORTED FLASH FLOODING FROM A THUNDERSTORM 2 MILES NORTHWEST OF GREENWOOD VILLAGE...OR ABOUT 6 MILES SOUTH OF DENVER. THIS STORM WAS MOVING NORTHEAST AT 10 MPH. LOCATIONS REMAINING IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO SHERIDAN...GREENWOOD VILLAGE...NORTHEASTERN LITTLETON...ENGLEWOOD... DENVER...CENTENNIAL AND AURORA. AUTOMATED RAIN GAUGES INDICATE THAT ONE AND A QUARTER INCHES OF RAIN HAS FALLEN IN CHERRY HILLS VILLAGE IN THE LAST 20 MINUTES. THESE RAINS WERE CAUSING EXTENSIVE FLASH FLOODING IN WESTERN CENTENNIAL... GREENWOOD VILLAGE...AND ENGLEWOOD. THE STORM IS MOVING INTO SOUTHEAST DENVER AND WILL BRING FLASH FLOODING TO THE CONSTRUCTION ZONE ON INTERSTATE 25. EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS BRIDGES...DIPS...OR OTHER LOW SPOTS IF WATER COVERS THE ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT. TO ESCAPE RISING WATER CLIMB TO HIGHER GROUND. LAT...LON 3957 10503 3957 10483 3974 10478 3974 10505 $$ GIMMESTAD
000 WGUS75 KBOU 032333 FFSBOU FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE DENVER CO 528 PM MDT FRI JUN 3 2005 COC005-031-040030- ARAPAHOE CO-DENVER CO- 528 PM MDT FRI JUN 3 2005 ...A FLASH FLOOD WARNING CONTINUES UNTIL 630 PM MDT FOR CENTRAL DENVER AND WESTERN ARAPAHOE COUNTIES... ...THIS IS AN EXTREMELY DANGEROUS FLASH FLOOD FOR THE SOUTHEAST DENVER METRO AREA... AT 524 PM MDT...SPOTTERS REPORTED FLASH FLOODING FROM A THUNDERSTORM OVER CENTRAL AURORA...OR ABOUT 9 MILES EAST OF DENVER. THIS STORM WAS MOVING NORTHEAST AT 10 MPH. LOCATIONS REMAINING IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO SHERIDAN...GREENWOOD VILLAGE...NORTHEASTERN LITTLETON...ENGLEWOOD... CENTRAL DENVER...CENTRAL CENTENNIAL AND AURORA. RAIN GAUGE AND SPOTTER REPORTS INDICATE THAT UP TO ONE AND THREE QUARTER INCHES OF RAIN HAS FALLEN IN CENTRAL AND SOUTHERN AURORA IN THE LAST 20 MINUTES. OVER TWO INCHES OF RAIN HAS FALLEN IN SOUTHEAST DENVER AND CHERRY HILLS VILLAGE. WIDESPREAD STREET AND STREAM FLOODING WAS OCCURRING FROM GREENWOOD VILLAGE ACROSS SOUTHEAST DENVER INTO CENTRAL AND SOUTHERN AURORA. SOME OF THE STREAMS AFFECTED INCLUDE TOLLGATE CREEK IN AURORA AND GOLDSMITH GULCH FROM THE DENVER TECH CENTER INTO SOUTHEAST DENVER. INTERESTS ALONG CHERRY CREEK SHOULD ALSO BE READY FOR RAPID RISES. IF YOU ARE IN AN AREA EXPERIENCING FLOODING...MOVE TO HIGHER GROUND IMMEDIATELY IF YOU ENTER FLOOD WATERS...YOUR LIFE WILL BE IN GREAT DANGER 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 UNDERESTIMATE THE POWER OF FLOOD WATERS. ONLY A FEW INCHES OF RAPIDLY FLOWING WATER CAN QUICKLY CARRY AWAY YOUR VEHICLE. LAT...LON 3957 10503 3957 10483 3974 10478 3974 10505 $$ GIMMESTAD
The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 2, 6:16 PM MDT | Tornado Warning | BOU | Lincoln | 44 min |
| Jun 2, 6:59 PM MDT | Tornado Warning | BOU | Lincoln | 20 min |
| Jun 2, 7:00 PM MDT | Severe Thunderstorm Warning | BOU | Elbert | 60 min |
| Jun 2, 7:06 PM MDT | Tornado Warning | BOU | Lincoln | 39 min |
| Jun 2, 7:43 PM MDT | Tornado Warning | BOU | Lincoln | 32 min |
| Jun 2, 7:57 PM MDT | Severe Thunderstorm Warning | BOU | Elbert | 33 min |
| Jun 2, 8:08 PM MDT | Tornado Warning | BOU | Elbert, Lincoln | 52 min |
| Jun 2, 9:03 PM MDT | Severe Thunderstorm Warning | BOU | Lincoln | 37 min |
| Jun 3, 2:48 PM MDT | Flash Flood Warning | BOU | Larimer | 3 hr |
| Jun 3, 2:49 PM MDT | Severe Thunderstorm Warning | BOU | Larimer, Weld | 41 min |
| Jun 3, 4:22 PM MDT | Severe Thunderstorm Warning | BOU | Arapahoe, Denver | 53 min |
| Jun 3, 4:36 PM MDT | Tornado Warning | BOU | Arapahoe, Denver | 39 min |
| Jun 3, 5:12 PM MDT | Tornado Warning | BOU | Adams, Arapahoe | 48 min |
| Jun 3, 5:21 PM MDT | Flash Flood Warning | BOU | Douglas | 3 hr |
| Jun 3, 5:59 PM MDT | Severe Thunderstorm Warning | BOU | Arapahoe | 61 min |
Nearby
Flash Flood Warnings in Colorado, 2005Every flash flood warning in 2005
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.