Flash Flood Prediction Program

-	Message 1's will be allowed to expire at 8:30 PM as the threat for heavy rainfall has come to an end.
-	A few isolated showers and weak thunderstorms will continue to move through the District over the next few hours before conditions completely dry out for the overnight period. Any shower activity should remain minimal although a few areas of isolated moderate showers will persist, although the threat for any additional heavy rainfall has ended due to the lack of daytime heating and a relatively stable atmosphere in place over the region at this time.
-	Best chances for isolated shower and thunderstorm activity will be through 12:00 AM, with a very slight chance for any additional shower activity after midnight.

STORM RAINFALL POTENTIAL AND DURATION: Isolated rain showers and weak thunderstorms will produce a trace to 0.3".

WORST CASE SCENARIO: A strong thunderstorm, or stationary thunderstorm will produce 0.3-0.5" in 60 minutes.

County	Message	Valid Times	Prime Time
Arvada	1	Current TO 830 PM	Current TO 830 PM
the City of Aurora	1	Current TO 830 PM	Current TO 830 PM
Arapahoe County	1	Current TO 830 PM	Current TO 830 PM
Denver County	1	Current TO 830 PM	Current TO 830 PM
DIA	1	Current TO 830 PM	Current TO 830 PM
Douglas County	1	Current TO 830 PM	Current TO 830 PM
Adams County	1	Current TO 830 PM	Current TO 830 PM
Broomfield County	1	Current TO 830 PM	Current TO 830 PM
Jefferson County	1	Current TO 830 PM	Current TO 830 PM
Boulder County	1	Current TO 830 PM	Current TO 830 PM
Wheat Ridge	1	Current TO 830 PM	Current TO 830 PM
Lakewood	1	Current TO 830 PM	Current TO 830 PM

County-specific Quantitative Precipitation Outlook	Precipitation Time	30-Minute Rainfall and % Probability	Message Potential
Plains
Adams	Current TO 1159 PM FRI	Trace (50%) to 0.1" (30%) to 0.3" (5%)	ISSUED
Arapahoe	Current TO 1159 PM FRI	Trace (50%) to 0.1" (30%) to 0.3" (5%)	ISSUED
Boulder	Current TO 1159 PM FRI	Trace (50%) to 0.1" (30%) to 0.3" (5%)	ISSUED
Broomfield	Current TO 1159 PM FRI	Trace (50%) to 0.1" (30%) to 0.3" (5%)	ISSUED
Denver	Current TO 1159 PM FRI	Trace (50%) to 0.1" (30%) to 0.3" (5%)	ISSUED
Douglas	Current TO 1159 PM FRI	Trace (50%) to 0.1" (30%) to 0.3" (5%)	ISSUED
Jefferson	Current TO 1159 PM FRI	Trace (50%) to 0.1" (30%) to 0.3" (5%)	ISSUED
Foothills above 6500ft
Boulder	Current TO 1159 PM FRI	Trace (50%) to 0.1" (30%) to 0.3" (5%)	ISSUED
Douglas	Current TO 1159 PM FRI	Trace (50%) to 0.1" (30%) to 0.3" (5%)	ISSUED
Jefferson	Current TO 1159 PM FRI	Trace (50%) to 0.1" (30%) to 0.3" (5%)	ISSUED

MONITOR NATIONAL WEATHER SERVICE FOR SEVERE WEATHER STATEMENTS.