Flash Flood Prediction Program

-	Message 1's will be allowed to expire at 10:00 PM as the threat for heavy rainfall has ended for the day now that temperatures have cooled into the 60's.
-	Additional widely scattered rain showers and possibly a weak thunderstorm will continue likely through midnight with chances for precipitation then decreasing into the early am hours on Sunday.
-	Another active day is expected on Sunday with the potential for heavy rainfall from thunderstorms in the afternoon and evening. Due to heavy rainfall today over many areas it may not take as much rain tomorrow to produce excessive runoff and possibly flash flooding.

STORM RAINFALL POTENTIAL AND DURATION: Rain showers will produce a trace to 0.1". An isolated weak thunderstorm will have the potential to produce 0.1-0.3" in 10-30 minutes.

WORST CASE SCENARIO: A strong thunderstorm is able to develop with the potential to produce heavy rainfall of 0.4-1.2" in 10-30 minutes resulting in Messages being re-issued overnight.

County	Message	Valid Times	Prime Time
Boulder County	1	Current TO 1000 PM	Current TO 930 PM
Jefferson County	1	Current TO 1000 PM	Current TO 930 PM
Broomfield County	1	Current TO 1000 PM	Current TO 930 PM
Douglas County	1	Current TO 1000 PM	Current TO 930 PM
Adams County	1	Current TO 1000 PM	Current TO 930 PM
Denver County	1	Current TO 1000 PM	Current TO 930 PM
DIA	1	Current TO 1000 PM	Current TO 930 PM
Arapahoe County	1	Current TO 1000 PM	Current TO 930 PM
the City of Aurora	1	Current TO 1000 PM	Current TO 930 PM
Arvada	1	Current TO 1000 PM	Current TO 930 PM
Wheat Ridge	1	Current TO 1000 PM	Current TO 930 PM
Lakewood	1	Current TO 1000 PM	Current TO 930 PM

County-specific Quantitative Precipitation Outlook	Precipitation Time	30-Minute Rainfall and % Probability	Message Potential
Plains
Adams	Current TO 200 AM SUN	Trace (80%) to 0.1" (50%) to 0.3" (15%)	NONE
Arapahoe	Current TO 200 AM SUN	Trace (75%) to 0.1" (40%) to 0.3" (15%)	NONE
Boulder	Current TO 200 AM SUN	Trace (80%) to 0.1" (50%) to 0.3" (15%)	NONE
Broomfield	Current TO 200 AM SUN	Trace (75%) to 0.1" (40%) to 0.3" (15%)	NONE
Denver	Current TO 200 AM SUN	Trace (80%) to 0.1" (50%) to 0.3" (15%)	NONE
Douglas	Current TO 200 AM SUN	Trace (75%) to 0.1" (40%) to 0.3" (15%)	NONE
Jefferson	Current TO 200 AM SUN	Trace (80%) to 0.1" (50%) to 0.3" (15%)	NONE
Foothills above 6500ft
Boulder	Current TO 200 AM SUN	Trace (80%) to 0.1" (50%) to 0.3" (15%)	NONE
Douglas	Current TO 200 AM SUN	Trace (80%) to 0.1" (50%) to 0.3" (15%)	NONE
Jefferson	Current TO 200 AM SUN	Trace (80%) to 0.1" (50%) to 0.3" (15%)	NONE

MONITOR NATIONAL WEATHER SERVICE FOR SEVERE WEATHER STATEMENTS.