Flash Flood Prediction Program

-	Strong thunderstorms are currently developing across eastern portions of the District, where some isolated pockets of higher moisture reside.
-	In general, moisture remains lacking at the low to mid levels but with stronger thunderstorm activity developing, moderate to brief heavy rains cannot be ruled out, mainly across the eastern District.
-	The best chance of storms will exist over the next 2-4 hours before activity decreases heading into the evening as the atmosphere stabilizes.

STORM RAINFALL POTENTIAL AND DURATION: Typical weak to moderate thunderstorms will produce rainfall amounts of TR-0.2" in 10-30 minutes. A strong thunderstorm could produce rainfall of 0.2-0.5" in 10-30 minutes.

WORST CASE SCENARIO: A strong, slow-moving thunderstorm produces rainfall of up to 0.9" in 30-60 minutes.

A LOOK AHEAD: Warmer and drier conditions are expected Wednesday through Friday with isolated high-based thunderstorms each day, mainly over the higher terrain.

Location	Prime Time	30-Minute Rainfall and % Probability	Message Potential
Plains
Adams	Current TO 700 PM TUE	Trace (90%) to 0.2" (50%) to 0.5" (20%)	LOW
Arapahoe	Current TO 700 PM TUE	Trace (90%) to 0.2" (50%) to 0.5" (20%)	LOW
Boulder	Current TO 700 PM TUE	Trace (90%) to 0.2" (40%) to 0.5" (10%)	LOW
Broomfield	Current TO 700 PM TUE	Trace (90%) to 0.2" (40%) to 0.5" (10%)	LOW
Denver	Current TO 700 PM TUE	Trace (90%) to 0.2" (40%) to 0.5" (10%)	LOW
Douglas	Current TO 700 PM TUE	Trace (90%) to 0.2" (50%) to 0.5" (20%)	LOW
Jefferson	Current TO 700 PM TUE	Trace (90%) to 0.2" (40%) to 0.5" (10%)	LOW
Foothills above 6500ft
Boulder	Current TO 700 PM TUE	Trace (90%) to 0.2" (40%) to 0.5" (10%)	LOW
Douglas	Current TO 700 PM TUE	Trace (90%) to 0.2" (40%) to 0.5" (10%)	LOW
Jefferson	Current TO 700 PM TUE	Trace (90%) to 0.2" (45%) to 0.5" (15%)	LOW

MONITOR NATIONAL WEATHER SERVICE FOR SEVERE WEATHER STATEMENTS.