Alert archive / Colorado / Flash Flood Warnings in 2005
Flash Flood Warning 7, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this flash flood warning at Jun 16, 2005, 4:08 PM MDT for Arapahoe 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 16, 2005, 4:08 PM MDT (22:08 UTC)
- Expired
- Jun 16, 2005, 7:15 PM MDT
- In force
- 3 hr
- Issued by
- NWS Denver/Boulder, CO
- Area
- Counties, with a storm outline in the text
County Arapahoe County, CO
The radar
The Denver radar (KFTG), 28 km from the middle of the area, began a volume at 22:09 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, 10.1 hours before the alert went out and 91 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
- 82 J/kg
- Mixed-layer CIN
- -383 J/kg
- Mixed-layer LCL
- 2252 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 24 m²/s²
- 0-3 km storm-relative helicity
- 41 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 162208 FFWBOU COC005-170115- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE DENVER CO 408 PM MDT THU JUN 16 2005 THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A * FLASH FLOOD WARNING FOR... EASTERN ARAPAHOE COUNTY IN NORTHEAST COLORADO * UNTIL 715 PM MDT * AT 404 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED TORRENTIAL RAIN FROM A THUNDERSTORM 16 MILES EAST OF DEER TRAIL... OR ABOUT 26 MILES NORTH OF LIMON. THIS STORM WAS MOVING NORTHEAST AT 5 MPH. OTHER STORMS PRODUCING TORRENTIAL RAIN WERE LOCATED ABOUT 5 MILES SOUTH OF WATKINS AND NEAR BYERS. * LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO STRASBURG...DEER TRAIL...COUNTRY GARDENS AND BYERS. DOPPLER RADAR ESTIMATES RAINFALL RATES OF 2 TO 4 INCHES PER HOUR WITH THESE STORMS. 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...COUNTRY ROADS...NORMALLY DRY WASHES AND ARROYOS...AS WELL AS FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS. LAT...LON 3964 10464 3973 10459 3974 10371 3958 10371 $$ BARJENBRUCH
2 follow-up statements
000 WGUS75 KBOU 162257 FFSBOU FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE DENVER CO 453 PM MDT THU JUN 16 2005 COC005-170115- ARAPAHOE CO- 453 PM MDT THU JUN 16 2005 ...A FLASH FLOOD WARNING CONTINUES UNTIL 715 PM MDT FOR EASTERN ARAPAHOE COUNTY... AT 449 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN FROM A THUNDERSTORM 12 MILES WEST OF COUNTRY GARDENS...OR ABOUT 22 MILES EAST OF DENVER. THIS STORM WAS MOVING NORTHEAST AT 5 MPH. LOCATIONS REMAINING IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO STRASBURG...DEER TRAIL...COUNTRY GARDENS AND BYERS. DOPPLER RADAR ESTIMATES THAT 2 TO 4 INCHES OF RAIN HAS FALLEN IN TWO SEPARATE AREAS DURING THE LAST HOUR. ONE LOCATION OF HEAVY RAIN WAS CENTERED ABOUT 6 MILES SOUTHEAST OF WATKINS. ANOTHER AREA OF HEAVY RAIN WAS OVER THE RURAL PORTIONS OF EXTREME EASTERN ARAPAHOE COUNTY. EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL CREEKS AND STREAMS...COUNTRY ROADS...NORMALLY DRY WASHES AND ARROYOS...AS WELL AS FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS. THE STORMS PRODUCING THE VERY HEAVY RAIN IN ARAPAHOE COUNTY ARE EXPECTED TO WEAKEN THROUGH 545 PM. THIS SHOULD ALLOW FLOOD WATERS TO RECEDE BY 715 PM. LAT...LON 3964 10464 3973 10459 3974 10371 3958 10371 $$ BARJENBRUCH
000 WGUS75 KBOU 162354 FFSBOU FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE DENVER CO 554 PM MDT THU JUN 16 2005 COC005-170004- ARAPAHOE CO- 554 PM MDT THU JUN 16 2005 ...THE FLASH FLOOD WARNING FOR EASTERN ARAPAHOE COUNTY IS CANCELLED... THE STORMS THAT PROMPTED THE WARNING HAVE EXITED THE AREA. LAT...LON 3964 10464 3973 10459 3974 10371 3958 10371 $$ BARJENBRUCH
The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 15, 6:54 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 20 min |
| Jun 16, 3:29 PM MDT | Severe Thunderstorm Warning | BOU | Arapahoe, Washington | 52 min |
| Jun 16, 4:02 PM MDT | Severe Thunderstorm Warning | BOU | Arapahoe | 59 min |
| Jun 16, 4:46 PM MDT | Severe Thunderstorm Warning | BOU | Washington | 59 min |
| Jun 16, 5:09 PM MDT | Severe Thunderstorm Warning | BOU | Lincoln | 55 min |
| Jun 16, 5:27 PM MDT | Severe Thunderstorm Warning | BOU | Washington | 42 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.