Alert archive / Colorado / Flash Flood Warnings in 2003
Flash Flood Warning 4, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this flash flood warning at May 30, 2003, 1:52 PM MDT for Douglas County, Jefferson County, Park 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
- May 30, 2003, 1:52 PM MDT (19:52 UTC)
- Expired
- May 30, 2003, 4:50 PM MDT
- In force
- 3 hr
- Issued by
- NWS Denver/Boulder, CO
- Area
- Counties, with a storm outline in the text
Counties Douglas County, CO, Jefferson County, CO, Park County, CO
The radar
The Denver radar (KFTG), 99 km from the middle of the area, began a volume at 19:54 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 12:00Z, 7.9 hours before the alert went out and 197 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
- 2 J/kg
- Mixed-layer CIN
- -397 J/kg
- Mixed-layer LCL
- 2902 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 2 m²/s²
- 0-3 km storm-relative helicity
- 11 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 301953 FFWBOU COC035-059-093-302245- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE DENVER CO 152 PM MDT FRI MAY 30 2003 THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A * FLASH FLOOD WARNING FOR... THE HAYMAN BURN AREA IN EAST CENTRAL PARK COUNTY IN CENTRAL COLORADO SOUTHWESTERN DOUGLAS COUNTY IN NORTHEAST COLORADO SOUTHWESTERN JEFFERSON COUNTY IN NORTHEAST COLORADO * UNTIL 450 PM MDT * AT 150 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN IN THE CHEESMAN RESERVOIR AREA...OR ABOUT 27 MILES SOUTHWEST OF CASTLE ROCK. THE STORM PRODUCING THE HEAVY RAIN WAS NEARLY STATIONARY. LOCATIONS IN THE WARNING INCLUDE...BUT ARE NOT LIMITED TO...CHEESMAN RESERVOIR...DECKERS...DEVILS HEAD...LAKE GEORGE...WELLINGTON LAKE AND WESTCREEK. 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 FOURMILE CREEK...GOOSE CREEK... SIXMILE CREEK...TRAIL CREEK...TURKEY CREEK...WEST CREEK...AND OTHER TRIBUTARIES OF THE SOUTH PLATTE RIVER. MUD AND ASH FLOWS CAN ALSO BE EXPECTED ACROSS RURAL ROADS. 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 3892 10546 3914 10503 3934 10510 3931 10555 $$ BAKER
2 follow-up statements
000 WGUS75 KBOU 302113 FFSBOU COC035-059-093-302220- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE DENVER CO 310 PM MDT FRI MAY 30 2003 A FLASH FLOOD WARNING REMAINS IN EFFECT FOR EAST CENTRAL PARK COUNTY SOUTHWESTERN DOUGLAS COUNTY SOUTHWESTERN JEFFERSON COUNTY INCLUDING THE HAYMAN FIRE BURN AREA UNTIL 420 PM MDT. AT 255 PM MDT...THE PUBLIC REPORTED FLASH FLOODING IN THE HAYMAN BURN AREA IN EXTREME SOUTHWEST DOUGLAS COUNTY. THE THUNDERSTORMS PRODUCING THE HEAVY RAINFALL WAS NEARLY STATIONARY OVER WEST CREEK...OR ABOUT 27 MILES SOUTHWEST OF CASTLE ROCK. ADDITIONAL THUNDERSTORMS WERE FORMING JUST TO THE SOUTH OF THE BURN AREA. LOCATIONS REMAINING IN THE WARNING INCLUDE...BUT ARE NOT LIMITED TO...CHEESMAN RESERVOIR...DECKERS...DEVILS HEAD...LAKE GEORGE... WELLINGTON LAKE AND WESTCREEK. WEATHER SPOTTERS REPORTED THAT HIGHWAY 67 BETWEEN DECKERS AND WEST CREEK WAS UNDER FLOOD WATERS...BUT APPARENTLY HAS NOT BEEN WASHED OUT. FURTHERMORE...THE PUBLIC ALSO REPORTED THAT COUNTY ROAD 330 IN THE BURN AREA WAS WASHED OUT AND STUMP ROAD ALONG STUMP CREEK WAS CLOSED DUE TO HIGH WATERS. NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATES THAT AS MUCH AS TWO INCHES OF RAIN HAS FALLEN OVER THE WEST CREEK BASIN SINCE 2 PM MDT. ALTHOUGH RAINFALL HAS DECREASED IN THE AREA FOR THE TIME BEING...HEAVY RUNOFF WILL LIKELY CONTINUE IN THE HAYMAN BURN AREA AT LEAST THROUGH 4 PM. A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING. IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY. RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY AUTOMOBILE. IF YOUR VEHICLE STALLS ABANDON IT IMMEDIATELY AND SEEK HIGHER GROUND. BAKER LAT...LON 3892 10546 3914 10503 3934 10510 3931 10555 $$
000 WGUS75 KBOU 302352 FFSBOU COC035-059-093-302310- FLASH FLOOD STATEMENT...RETRANSMISSION NATIONAL WEATHER SERVICE DENVER CO 450 PM MDT FRI MAY 30 2003 THE FLASH FLOOD WARNING IN EFFECT FOR EAST CENTRAL PARK COUNTY SOUTHWESTERN DOUGLAS COUNTY JEFFERSON COUNTY INCLUDING THE HAYMAN BURN AREA HAS EXPIRED AS OF 450 PM MDT. AT 445 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED ONLY SCATTERED LIGHT RAIN SHOWERS PASSING OVER THE HAYMAN WILDFIRE BURN AREA. THEREFORE HEAVY RAINFALL HAS ENDED AND ANY ADDITIONAL FLASH FLOODING IN THE WARNING AREA IS NOT ANTICIPATED. AREAS EXPERIENCING HIGH WATERS AND FLASH FLOODING EARLIER THIS AFTERNOON SHOULD SEE WATER LEVELS FALLING DURING THE NEXT HOUR. PERSONS IN AND NEAR THE HAYMAN BURN AREA IN SOUTHERN JEFFERSON AND SOUTHWEST DOUGLAS COUNTIES SHOULD STILL ANTICIPATE HIGH WATER LEVELS IN THE SMALL STREAMS AND CREEKS IN THE WEST CREEK DRAINAGE AREA FOR THE NEXT 1 TO 2 HOURS. EVEN SO MANY ROADS IN THE AREA WILL REMAIN CLOSED BECOME OF THE EARLIER FLOODING. PEOPLE SHOULD AVOID TRAVEL INTO THIS AREA FOR AT LEAST THE NEXT SEVERAL HOURS. SHOULD ADDITIONAL RAINFALL OCCUR IN THIS AREA FURTHER WARNINGS MAY BE NECESSARY. LAT...LON 3892 10546 3914 10503 3934 10510 3931 10555 $$ BAKER
The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 30, 3:19 PM MDT | Severe Thunderstorm Warning | BOU | Boulder | 56 min |
| May 30, 3:19 PM MDT | Tornado Warning | BOU | Larimer, Weld | 46 min |
| May 30, 4:05 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 60 min |
| May 30, 5:13 PM MDT | Severe Thunderstorm Warning | BOU | Morgan, Weld | 52 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.