Alert archive / Colorado / Flash Flood Warnings in 2003
Flash Flood Warning 21, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this flash flood warning at Aug 10, 2003, 8:16 PM MDT for Park County, Colorado. It was in force for 2 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
- Aug 10, 2003, 8:16 PM MDT (02:16 UTC)
- Expired
- Aug 10, 2003, 10:45 PM MDT
- In force
- 2 hr
- Issued by
- NWS Denver/Boulder, CO
- Area
- Counties, with a storm outline in the text
County Park County, CO
The radar
The Denver radar (KFTG), 109 km from the middle of the area, began a volume at 02:20 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, 2.3 hours before the alert went out and 205 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
- 60 J/kg
- Mixed-layer CIN
- -31 J/kg
- Mixed-layer LCL
- 3256 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- -44 m²/s²
- 0-3 km storm-relative helicity
- 3 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS55 KBOU 110220 FFWBOU COC093-110445- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE DENVER CO 816 PM MDT SUN AUG 10 2003 THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A * FLASH FLOOD WARNING FOR... THE HAYMAN BURN AREA IN EXTREME EAST CENTRAL PARK COUNTY IN CENTRAL COLORADO * UNTIL 1045 PM MDT * AT 816 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN OVER THE HAYMAN BURN AREA IN EXTREME EAST CENTRAL PARK COUNTY...OR ABOUT 31 MILES NORTHWEST OF COLORADO SPRINGS. THE STORM PRODUCING THE HEAVY RAIN WAS NEARLY STATIONARY. 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 A HALF INCH OF RAIN HAS ALREADY FALLEN IN THE PARK COUNTY PORTION OF THE HAYMAN BURN AREA...AND ANOTHER INCH OF RAIN MAY FALL IN THE NEXT 30 MINUTES. HEAVY RAINFALL WILL CAUSE FLASH FLOODING OF SMALL CREEKS...STREAMS... AND DITCHES IN THE HAYMAN FIRE BURN AREA. SOME DRAINAGE BASINS AFFECTED BY EXCESSIVE RUNOFF INCLUDE TARRYALL CREEK...VERMILLION CREEK...AND OTHER SMALL DRY STREAMS AND TRIBUTARIES OF THE SOUTH PLATTE RIVER. MUD AND ASH FLOWS CAN ALSO BE EXPECTED ACROSS RURAL ROADS. DO NOT DRIVE THROUGH FLOODED AREAS. LAT...LON 3898 10538 3898 10533 3914 10530 3913 10543 $$ BARJENBRUCH
3 follow-up statements
000 WGUS75 KBOU 110257 FFSBOU COC093-110445- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE DENVER CO 855 PM MDT SUN AUG 10 2003 ...A FLASH FLOOD WARNING REMAINS IN EFFECT FOR THE HAYMAN BURN AREA IN EXTREME EAST CENTRAL PARK COUNTY UNTIL 1045 PM MDT... AT 855 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE TORRENTIAL RAIN HAD MOVED INTO THE TELLER COUNTY PORTION OF THE FIRE. HOWEVER...THE STORM HAD PRODUCED ABOUT ONE HALF TO ONE AND A HALF INCHES OF RAIN IN LESS THAN 40 MINUTES IN THE PARK COUNTY PORTION OF THE HAYMAN BURN AREA. THE HEAVIEST RAIN HAD FALLEN ALONG THE BEAVER CREEK AND TRAIL CREEK DRAINAGE BASINS. FLASH FLOODING WILL CONTINUE THROUGH 10 PM ALONG THOSE CREEKS AS WELL AS NORMALLY DRY DITCHES THAT FLOW INTO THOSE STREAMS. MUD AND ASH FLOWS CAN ALSO BE EXPECTED ACROSS RURAL ROADS. DO NOT DRIVE THROUGH FLOODED AREAS. IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY. RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY AUTOMOBILE. IF YOUR VEHICLE STALLS ABANDON IT IMMEDIATELY AND SEEK HIGHER GROUND. LAT...LON 3898 10538 3898 10533 3914 10530 3913 10543 $$ BARJENBRUCH
000 WGUS75 KBOU 110406 FFSBOU COC093-110445- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE DENVER CO 1005 PM MDT SUN AUG 10 2003 ...A FLASH FLOOD WARNING REMAINS IN EFFECT FOR THE HAYMAN BURN AREA IN EXTREME EAST CENTRAL PARK COUNTY UNTIL 1045 PM MDT... AT 1000 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED ANOTHER STORM WITH HEAVY RAIN HAD DEVELOPED ALONG THE SOUTH PLATTE RIVER NEAR THE INTERSECTION OF THE PARK...JEFFERSON...DOUGLAS... AND TELLER COUNTY LINES. THIS STORM WILL PRODUCE ANOTHER QUARTER TO HALF INCH OF RAIN BEFORE WEAKENING BY 1030 PM. THE HEAVIEST RAIN FELL EARLIER THIS EVENING ALONG THE BEAVER CREEK AND CRYSTAL CREEK DRAINAGE BASINS. FLASH FLOODING MAY CONTINUE UNTIL 1045 PM ALONG THOSE CREEKS AS WELL AS NORMALLY DRY DITCHES THAT FLOW INTO THOSE STREAMS. MUD AND ASH FLOWS CAN ALSO BE EXPECTED ACROSS RURAL ROADS. DO NOT DRIVE THROUGH FLOODED AREAS. 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 3898 10538 3898 10533 3914 10530 3913 10543 $$ BARJENBRUCH
000 WGUS75 KBOU 110446 FFSBOU COC093-110500- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE DENVER CO 1045 PM MDT SUN AUG 10 2003 ...THE FLASH FLOOD WARNING FOR THE HAYMAN BURN AREA IN EXTREME EAST CENTRAL PARK COUNTY HAS EXPIRED... AT 1045 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT ONLY LIGHT RAIN REMAINED OVER THE HAYMAN BURN AREA IN EAST CENTRAL PARK COUNTY. ADDITIONAL RAINFALL AMOUNTS WILL BE A TENTH OF AN INCH OR LESS...SO NO FURTHER FLOODING PROBLEMS ARE ANTICIPATED. MOTORISTS SHOULD STILL BE ALERT FOR ROADWAYS WHICH MAY HAVE WASHED OUT DURING THE HEAVY RAINFALL. LAT...LON 3898 10538 3898 10533 3914 10530 3913 10543 $$ BARJENBRUCH
The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 11, 5:31 PM MDT | Severe Thunderstorm Warning | BOU | Arapahoe | 59 min |
Nearby
Flash Flood Warnings in Colorado, 2003Every flash flood warning in 2003
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.