Flash Flood Prediction Program

-	Message 1's will be allowed to expire at 9:00 PM as the threat for heavy rainfall has ended for the day.
-	A few thunderstorms blossomed over south and eastern areas of the District this afternoon with generally quiet conditions along the I-25 corridor westward to the base of the foothills. The boundary that produced storms has made it eastward and out of the District. A slight chance for additional rain showers over the next couple of hours before skies gradually clear through the overnight.
-	Overnight lows will dip into the upper 50's to low 60's with dry conditions expected through midday tomorrow.

STORM RAINFALL POTENTIAL AND DURATION: Typical rain showers will produce a trace to 0.1" in 10-30 minutes. A moderate rain shower/weak thunderstorm will be able to produce 0.1-0.3" in 10-30 minutes.

WORST CASE SCENARIO: A stronger thunderstorm has the potential to produce 0.3-0.9" in 30-60 minutes.

County	Message	Valid Times	Prime Time
Arvada	1	Current TO 900 PM	Current TO 800 PM
Wheat Ridge	1	Current TO 900 PM	Current TO 800 PM
Lakewood	1	Current TO 900 PM	Current TO 800 PM
the City of Aurora	1	Current TO 900 PM	Current TO 800 PM
Arapahoe County	1	Current TO 900 PM	Current TO 800 PM
Denver County	1	Current TO 900 PM	Current TO 800 PM
DIA	1	Current TO 900 PM	Current TO 800 PM
Douglas County	1	Current TO 900 PM	Current TO 800 PM
Adams County	1	Current TO 900 PM	Current TO 800 PM
Broomfield County	1	Current TO 900 PM	Current TO 800 PM
Jefferson County	1	Current TO 900 PM	Current TO 800 PM
Boulder County	1	Current TO 900 PM	Current TO 800 PM

County-specific Quantitative Precipitation Outlook	Precipitation Time	30-Minute Rainfall and % Probability	Message Potential
Plains
Adams	Current TO 900 PM FRI	Trace (30%) to 0.1" (15%) to 0.3" (5%)	NONE
Arapahoe	Current TO 900 PM FRI	Trace (30%) to 0.1" (15%) to 0.3" (5%)	NONE
Boulder	Current TO 900 PM FRI	Trace (30%) to 0.1" (15%) to 0.3" (5%)	NONE
Broomfield	Current TO 900 PM FRI	Trace (30%) to 0.1" (15%) to 0.3" (5%)	NONE
Denver	Current TO 900 PM FRI	Trace (30%) to 0.1" (15%) to 0.3" (5%)	NONE
Douglas	Current TO 900 PM FRI	Trace (30%) to 0.1" (15%) to 0.3" (5%)	NONE
Jefferson	Current TO 900 PM FRI	Trace (30%) to 0.1" (15%) to 0.3" (5%)	NONE
Foothills above 6500ft
Boulder	Current TO 900 PM FRI	Trace (40%) to 0.1" (20%) to 0.3" (10%)	NONE
Douglas	Current TO 900 PM FRI	Trace (40%) to 0.1" (20%) to 0.3" (10%)	NONE
Jefferson	Current TO 900 PM FRI	Trace (40%) to 0.1" (20%) to 0.3" (10%)	NONE

MONITOR NATIONAL WEATHER SERVICE FOR SEVERE WEATHER STATEMENTS.