1 flash flood, as filed by the National Weather Service.
Every event with a place to put it; 1 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Denver/Boulder, CO wrote its last area forecast discussion before the first event at Aug 14, 2:03 PM MST, 42 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE DENVER CO 303 PM MDT MON AUG 14 2006 .SHORT TERM DISCUSSION...SCATTERED CONVECTION FIRING OVER MOUNTAINS AND FOOTHILLS...BEGINNING TO MOVE ONTO PLAINS. STILL A BIT OF CIN ON THE PLAINS...AS SHOWN BY ACARS SOUNDINGS. BUT AIRMASS BECOMING MORE UNSTABLE...WHICH SHOULD ERODE REMAINING CIN. THUS...STORMS EXPECTED TO HOLD TOGETHER AS THEY TREK EAST. SOME STORMS COULD REACH SEVERE LIMITS AS THERE IS ADEQUATE SHEAR WITH LOW LEVEL SOUTHEAST FLOW AND WESTERLY ALOFT. SEVERE WATCH BOX ALREADY ISSUED...ENDING AT 02Z. PRECIPITABLE WATER VALUES HAVE INCREASED TO OVER AN INCH...SO STORMS COULD PRODUCE HEAVY RAIN. BUT SLOW MOVING STORMS NOT A CONCERN AS RADAR INDICATING MOVEMENT AROUND 15 KNOTS. COULD STILL BE SOME MINOR FLOODING. MODELS INDICATE QG DESCENT OVER AREA BY 06Z...SHOULD SEE AN END OF THE ACTIVITY AT THAT TIME. ON TUESDAY...RIDGE REMAINS OVER AREA...WITH THETA-E AXIS OVER MOUNTAINS. AS AIRMASS BECOMES UNSTABLE BY THE AFTERNOON...STORMS TO DEVELOP OVER MOUNTAINS AND FOOTHILLS. PLAINS WILL INITIALLY BE CAPPED...WHICH WILL LIMIT STORMS MOVING ONTO PLAINS. LOW POPS SEEM REASONABLE FOR THE PLAINS. TEMPERATURE AND THICKNESS GUIDANCE INDICATES TEMPERATURES A FEW DEGREES WARMER THAN TODAYS READINGS...GENERALLY IN LINE WITH GUIDANCE. CURRENT TEMPERATURE GRIDS LOOK REASONABLE. .LONG TERM DISCUSSION...MDLS CONTG TO IND HIGH PRESSURE WL REMAINED ANCHORED ACRS THE SOUTHERN PLAINS THIS WEEK. SLY FLOW ALG THE BACK OF THE RDG WL CONTINUE TO DRAW MSTR INTO THE DISTRICT FOR MOST OF THE WEEK...OVERALL AN IMPRESSIVE MONSOON PTRN FOR THE SOUTHWEST STATES. ACRS OUR FCST DISTRICT...A WEAK TROF WL SKIRT TO THE NORTH OF THE AREA THURS...WHICH WL BRIEFLY SHIFT THE FLOW ALF TO A MORE WLY DIRECTION. AFTER ANOTHER DAY OF SCT PCPN WED...A LULL IN CONVECTION EXPECTED THURS AND PERHAPS FRIDAY AS ATMS WL BE DRIER AND MORE SUBSIDENT OVERALL. TEMPS WL EDGE INTO THE LWR 90S FOR THE LATTER HALF OF THE WEEK. LOOKING AHEAD TO THE WKND...ANOTHER EASTERLY WAVE WL MOV INTO THE SOUTHWEST AND EVENTUALLY INTO OUR AREA SATURDAY. THIS WL SERVE TO RECHARGE THE ATMS WITH DEEPER MOISTURE FOR THE WEEKEND. A COUPLE MDLS INDG VERY DP MSTR ALONG WITH WK STEERING WINDS. THIS IS A RECEIPE FOR HEAVY RAINFALL...FOR NOW WL KEEP THE CURRENT SCT POPS AND COOLER TEMPS IN THE FORECAST FOR DAYS 6 AND 7. && .BOU WATCHES/WARNINGS/ADVISORIES...NONE. && DL/046...WFO BOULDER
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE DENVER CO 1059 AM MDT MON AUG 14 2006 COZ030>051-151200- JACKSON COUNTY BELOW 9000 FEET-WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET-GRAND AND SUMMIT COUNTIES BELOW 9000 FEET-SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET-SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/GILPIN/CLEAR CREEK/ SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET-LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET-JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET-CENTRAL AND SOUTHEAST PARK COUNTY-LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY-BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD COUNTY-NORTH DOUGLAS COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND ARAPAHOE COUNTIES/ EAST BROOMFIELD COUNTY-ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET-NORTHEAST WELD COUNTY-CENTRAL AND SOUTH WELD COUNTY-MORGAN COUNTY-CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES- NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN COUNTY-SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY-LOGAN COUNTY-WASHINGTON COUNTY-SEDGWICK COUNTY-PHILLIPS COUNTY- 1059 AM MDT MON AUG 14 2006 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST AND NORTH CENTRAL COLORADO. .DAY ONE...TODAY AND TONIGHT SCATTERED THUNDERSTORMS WILL CONTINUE TO DEVELOP IN THE MOUNTAINS AND FOOTHILLS DURING THE AFTERNOON WITH WIDELY SCATTERED THUNDERSTORMS EXPECTED OVER THE NORTHEAST PLAINS. THE THUNDERSTORMS MAY PRODUCE BRIEF HEAVY RAIN...SMALL HAIL AND GUSTY WINDS HOWEVER THE THREAT OF SEVERE WEATHER WILL BE LOW. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY OR TONIGHT. 030/046
The Denver radar (KFTG), 61 km away, was scanning. The volume nearest the first event began at 21:46 UTC.
1 flash flood. Local standard time, as filed.
Heavy rain fell 2 miles southeast of Deckers. Some of the banks along State Highway 67, between Deckers and Westcreek washed out, as did several driveways on both sides of the highway.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Colorado in 2006Every state in 2006This day in weather historyWarnings in Colorado, August 2006
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 5528102.