Time: 145 AM Thu September 5, 2024 Forecaster: Justin Brooks

Internal Message Status
Flash Flood Prediction Program

MESSAGES WILL BE ALLOWED TO EXPIRE AT 3:00 AM
Messages will be allowed to expire at 3am as the threat of heavy rainfall has come to an end.

A few showers persist over eastern portions of the District at this time and will continue to move east/southeast and out of the District. A few off and on showers will be possible over the next hour or two, however the threat of heavy rainfall within the District ended.

A few areas of patchy fog will be possible through the overnight and into daybreak tomorrow. Overnight temperatures will drop slightly more, into the low to mid 50s. A slight chance for a few showers to linger tomorrow morning, clearing out by mid-morning with another chance for afternoon and evening showers/thunderstorms.
STORM RAINFALL POTENTIAL AND DURATION: Typical showers/thunderstorms will produce a trace-0.15” total in 10-30 minutes. A moderate to strong shower will produce 0.15”-0.30” total in 10-30 minutes.

WORST CASE SCENARIO: A strong showers/weak to moderate thunderstorm or training of thunderstorm cells will have the potential to produce up to 0.75” in 45-60 minutes.

County Message Valid Times Prime Time
Boulder County 1 Current TO 300 AM Current TO 230 AM
Jefferson County 1 Current TO 300 AM Current TO 230 AM
Broomfield County 1 Current TO 300 AM Current TO 230 AM
Douglas County 1 Current TO 300 AM Current TO 230 AM
Adams County 1 Current TO 300 AM Current TO 230 AM
Denver County 1 Current TO 300 AM Current TO 230 AM
DIA 1 Current TO 300 AM Current TO 230 AM
Arapahoe County 1 Current TO 300 AM Current TO 230 AM
the City of Aurora 1 Current TO 300 AM Current TO 230 AM
Arvada 1 Current TO 300 AM Current TO 230 AM
Wheat Ridge 1 Current TO 300 AM Current TO 230 AM
Lakewood 1 Current TO 300 AM Current TO 230 AM

County-specific Quantitative
Precipitation Outlook
Precipitation Time 30-Minute Rainfall
and % Probability
Message
Potential
Plains      
Adams Current TO 900 AM THU
Trace (50%) to 0.15" (30%) to 0.3" (15%) NONE
Arapahoe Current TO 900 AM THU
Trace (50%) to 0.15" (30%) to 0.3" (15%) NONE
Boulder Current TO 900 AM THU
Trace (40%) to 0.15" (20%) to 0.3" (10%) NONE
Broomfield Current TO 900 AM THU
Trace (40%) to 0.15" (20%) to 0.3" (10%) NONE
Denver Current TO 900 AM THU
Trace (40%) to 0.15" (20%) to 0.3" (10%) NONE
Douglas Current TO 900 AM THU
Trace (40%) to 0.15" (20%) to 0.3" (10%) NONE
Jefferson Current TO 900 AM THU
Trace (40%) to 0.15" (20%) to 0.3" (10%) NONE
Foothills above 6500ft      
Boulder Current TO 900 AM THU
Trace (40%) to 0.15" (20%) to 0.3" (10%) NONE
Douglas Current TO 900 AM THU
Trace (40%) to 0.15" (20%) to 0.3" (10%) NONE
Jefferson Current TO 900 AM THU
Trace (40%) to 0.15" (20%) to 0.3" (10%) NONE
MONITOR NATIONAL WEATHER SERVICE FOR SEVERE WEATHER STATEMENTS.
https://f2p2.udfcd.org/generator/