Flash Flood Prediction Program

-	Message 1's issued for the entire District will be allowed to expire at 8pm, as the threat for heavy rainfall has come to an end.
-	Showers and thunderstorms have largely dissipated across NE Colorado at this hour. The disturbance responsible for this afternoon's storm activity has now translated E, with subsidence and clearing skies now spreading in from the W.
-	With the loss of daytime heating and lack of upper-level support, only an isolated threat for additional showers and storms remains this evening.

STORM RAINFALL POTENTIAL AND DURATION: Isolated showers and thunderstorms will produce rainfall amounts of trace-0.30" in 10-30 minutes.

WORST CASE SCENARIO: An isolated stronger thunderstorm produces up to 0.50" rainfall in 30-60 minutes.

County	Message	Valid Times	Prime Time
Boulder County	1	Current TO 800 PM	Current TO 800 PM
Jefferson County	1	Current TO 800 PM	Current TO 800 PM
Broomfield County	1	Current TO 800 PM	Current TO 800 PM
Douglas County	1	Current TO 800 PM	Current TO 800 PM
Adams County	1	Current TO 800 PM	Current TO 800 PM
Denver County	1	Current TO 800 PM	Current TO 800 PM
DIA	1	Current TO 800 PM	Current TO 800 PM
Arapahoe County	1	Current TO 800 PM	Current TO 800 PM
the City of Aurora	1	Current TO 800 PM	Current TO 800 PM
Arvada	1	Current TO 800 PM	Current TO 800 PM
Wheat Ridge	1	Current TO 800 PM	Current TO 800 PM
Lakewood	1	Current TO 800 PM	Current TO 800 PM

County-specific Quantitative Precipitation Outlook	Precipitation Time	30-Minute Rainfall and % Probability	Message Potential
Plains
Adams	Current TO 1000 PM SUN	Trace (50%) to 0.1" (30%) to 0.3" (5%)	ISSUED
Arapahoe	Current TO 1000 PM SUN	Trace (50%) to 0.1" (30%) to 0.3" (5%)	ISSUED
Boulder	Current TO 1000 PM SUN	Trace (50%) to 0.1" (30%) to 0.3" (5%)	ISSUED
Broomfield	Current TO 1000 PM SUN	Trace (50%) to 0.1" (30%) to 0.3" (5%)	ISSUED
Denver	Current TO 1000 PM SUN	Trace (50%) to 0.1" (30%) to 0.3" (5%)	ISSUED
Douglas	Current TO 1000 PM SUN	Trace (50%) to 0.1" (30%) to 0.3" (5%)	ISSUED
Jefferson	Current TO 1000 PM SUN	Trace (50%) to 0.1" (30%) to 0.3" (5%)	ISSUED
Foothills above 6500ft
Boulder	Current TO 1000 PM SUN	Trace (60%) to 0.1" (40%) to 0.3" (10%)	ISSUED
Douglas	Current TO 1000 PM SUN	Trace (70%) to 0.1" (50%) to 0.3" (10%)	ISSUED
Jefferson	Current TO 1000 PM SUN	Trace (70%) to 0.1" (50%) to 0.3" (10%)	ISSUED

MONITOR NATIONAL WEATHER SERVICE FOR SEVERE WEATHER STATEMENTS.