Flash Flood Prediction Program

-	Message 1's will continue valid over the District although the threat for thunderstorms is diminishing.
-	A gust front/pseudo cold front that moved through the District earlier from N to S did not initiate any meaningful storm activity as it moved through. Behind this feature temperatures have cooled into the upper 70's to mid 80's lowering the threat for strong thunderstorms.
-	There will still be a chance for additional rain showers and and possibly weak to moderate thunderstorms as the evening progresses. Even a moderate thunderstorm will be capable of producing brief heavy rainfall. Overnight, isolated to widely scattered rain showers continue possible into Saturday morning.

STORM RAINFALL POTENTIAL AND DURATION: Rain showers will produce a trace to 0.2". Weak to moderate thunderstorms will have the potential to produce rainfall rates of 0.3-0.8" in 10-30 minutes.

WORST CASE SCENARIO: A strong thunderstorm develops with the potential to produce 0.5-1.5" of heavy rain in 10-30 minutes and up to 2.5" in 45-60 minutes.

County	Message	Valid Times	Prime Time
Lakewood	1	Current TO 1000 PM	400 PM TO 900 PM
Arvada	1	Current TO 1000 PM	400 PM TO 900 PM
Wheat Ridge	1	Current TO 1000 PM	400 PM TO 900 PM
the City of Aurora	1	Current TO 1000 PM	400 PM TO 900 PM
Arapahoe County	1	Current TO 1000 PM	400 PM TO 900 PM
DIA	1	Current TO 1000 PM	400 PM TO 900 PM
Denver County	1	Current TO 1000 PM	400 PM TO 900 PM
Adams County	1	Current TO 1000 PM	400 PM TO 900 PM
Douglas County	1	Current TO 1000 PM	400 PM TO 900 PM
Broomfield County	1	Current TO 1000 PM	400 PM TO 900 PM
Jefferson County	1	Current TO 1000 PM	400 PM TO 900 PM
Boulder County	1	Current TO 1000 PM	400 PM TO 900 PM

County-specific Quantitative Precipitation Outlook	Precipitation Time	30-Minute Rainfall and % Probability	Message Potential
Plains
Adams	Current TO 1000 PM FRI	0.1" (50%) to 0.3" (25%) to 0.8" (10%)	ISSUED
Arapahoe	Current TO 1000 PM FRI	0.1" (50%) to 0.3" (25%) to 0.8" (10%)	ISSUED
Boulder	Current TO 1000 PM FRI	0.1" (75%) to 0.3" (40%) to 0.8" (15%)	ISSUED
Broomfield	Current TO 1000 PM FRI	0.1" (50%) to 0.3" (25%) to 0.8" (10%)	ISSUED
Denver	Current TO 1000 PM FRI	0.1" (50%) to 0.3" (25%) to 0.8" (10%)	ISSUED
Douglas	Current TO 1000 PM FRI	0.1" (75%) to 0.3" (40%) to 0.8" (15%)	ISSUED
Jefferson	Current TO 1000 PM FRI	0.1" (75%) to 0.3" (40%) to 0.8" (15%)	ISSUED
Foothills above 6500ft
Boulder	Current TO 1000 PM FRI	0.1" (90%) to 0.3" (50%) to 0.8" (25%)	ISSUED
Douglas	Current TO 1000 PM FRI	0.1" (90%) to 0.3" (50%) to 0.8" (25%)	ISSUED
Jefferson	Current TO 1000 PM FRI	0.1" (90%) to 0.3" (50%) to 0.8" (25%)	ISSUED

MONITOR NATIONAL WEATHER SERVICE FOR SEVERE WEATHER STATEMENTS.