Flash Flood Prediction Program

-	Message 1's will be allowed to expire at 9:00pm as the threat for heavy rainfall has come to an end.
-	Shower and thunderstorm activity has weakened substantially this evening across the District. With a strong jet stream moving into Northern Colorado, a few isolated showers or even weak thunderstorms can't be ruled out into the overnight period.
-	Any showers that develop overnight will be weak and fast-moving, and will produce light rainfall and gusty winds.

STORM RAINFALL POTENTIAL AND DURATION: Showers and weak thunderstorms will produce rainfall amounts of TR-0.2" in 10-30 minutes.

County	Message	Valid Times	Prime Time
Jefferson County	1	Current TO 900 PM	Current TO 900 PM
Boulder County	1	Current TO 900 PM	Current TO 900 PM
Broomfield County	1	Current TO 900 PM	Current TO 900 PM
Douglas County	1	Current TO 900 PM	Current TO 900 PM
Adams County	1	Current TO 900 PM	Current TO 900 PM
Denver County	1	Current TO 900 PM	Current TO 900 PM
DIA	1	Current TO 900 PM	Current TO 900 PM
Arapahoe County	1	Current TO 900 PM	Current TO 900 PM
the City of Aurora	1	Current TO 900 PM	Current TO 900 PM
Arvada	1	Current TO 900 PM	Current TO 900 PM
Wheat Ridge	1	Current TO 900 PM	Current TO 900 PM
Lakewood	1	Current TO 900 PM	Current TO 900 PM

County-specific Quantitative Precipitation Outlook	Precipitation Time	30-Minute Rainfall and % Probability	Message Potential
Plains
Adams	Current TO 300 AM FRI	Trace (50%) to 0.1" (25%) to 0.2" (10%)	ISSUED
Arapahoe	Current TO 300 AM FRI	Trace (50%) to 0.1" (25%) to 0.2" (10%)	ISSUED
Boulder	Current TO 300 AM FRI	Trace (50%) to 0.1" (25%) to 0.2" (10%)	ISSUED
Broomfield	Current TO 300 AM FRI	Trace (50%) to 0.1" (25%) to 0.2" (10%)	ISSUED
Denver	Current TO 300 AM FRI	Trace (50%) to 0.1" (25%) to 0.2" (10%)	ISSUED
Douglas	Current TO 300 AM FRI	Trace (50%) to 0.1" (25%) to 0.2" (10%)	ISSUED
Jefferson	Current TO 300 AM FRI	Trace (50%) to 0.1" (25%) to 0.2" (10%)	ISSUED
Foothills above 6500ft
Boulder	Current TO 300 AM FRI	Trace (60%) to 0.1" (25%) to 0.2" (10%)	ISSUED
Douglas	Current TO 300 AM FRI	Trace (60%) to 0.1" (25%) to 0.2" (10%)	ISSUED
Jefferson	Current TO 300 AM FRI	Trace (60%) to 0.1" (25%) to 0.2" (10%)	ISSUED

MONITOR NATIONAL WEATHER SERVICE FOR SEVERE WEATHER STATEMENTS.