Flash Flood Prediction Program

-	Message 1's will be allowed to expire for Jefferson County, incl. Wheat Ridge, Lakewood, Arvada, Denver County, Arapahoe County, incl. Aurora & Douglas County at 11:00pm as the threat for heavy rainfall has come to an end.
-	A disturbance from the NW moved through the District earlier this evening resulting in rapid storm development for areas south of I-70. At this time, a few lingering rain showers towards the eastern portion of the District will continue to move S/SE as they continue to weaken.
-	Skies will gradually clear through the overnight leading to mild conditions with lows dropping into the upper 50's to low 60's for the plains with low to mid 50's along the foothills.

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

WORST CASE SCENARIO: A thunderstorm or slow moving rain showers has the potential to produce 0.3-0.8" in under 60 minutes.

County	Message	Valid Times	Prime Time
Boulder County	1	Current TO 1100 PM	Current TO 1030 PM
Jefferson County	1	Current TO 1100 PM	Current TO 1030 PM
Broomfield County	1	Current TO 1100 PM	Current TO 1030 PM
Douglas County	1	Current TO 1100 PM	Current TO 1030 PM
Adams County	1	Current TO 1100 PM	Current TO 1030 PM
Denver County	1	Current TO 1100 PM	Current TO 1030 PM
DIA	1	Current TO 1100 PM	Current TO 1030 PM
Arapahoe County	1	Current TO 1100 PM	Current TO 1030 PM
the City of Aurora	1	Current TO 1100 PM	Current TO 1030 PM
Arvada	1	Current TO 1100 PM	Current TO 1030 PM
Wheat Ridge	1	Current TO 1100 PM	Current TO 1030 PM
Lakewood	1	Current TO 1100 PM	Current TO 1030 PM

County-specific Quantitative Precipitation Outlook	Precipitation Time	30-Minute Rainfall and % Probability	Message Potential
Plains
Adams	Current TO 1159 PM SAT	Trace (30%) to 0.1" (15%) to 0.3" (10%)	NONE
Arapahoe	Current TO 1159 PM SAT	Trace (30%) to 0.1" (15%) to 0.3" (10%)	NONE
Boulder	Current TO 1159 PM SAT	Trace (20%) to 0.1" (10%) to 0.3" (5%)	NONE
Broomfield	Current TO 1159 PM SAT	Trace (20%) to 0.1" (10%) to 0.3" (5%)	NONE
Denver	Current TO 1159 PM SAT	Trace (20%) to 0.1" (10%) to 0.3" (5%)	NONE
Douglas	Current TO 1159 PM SAT	Trace (30%) to 0.1" (15%) to 0.3" (10%)	NONE
Jefferson	Current TO 1159 PM SAT	Trace (20%) to 0.1" (10%) to 0.3" (5%)	NONE
Foothills above 6500ft
Boulder	Current TO 1159 PM SAT	Trace (20%) to 0.1" (10%) to 0.3" (5%)	NONE
Douglas	Current TO 1159 PM SAT	Trace (20%) to 0.1" (10%) to 0.3" (5%)	NONE
Jefferson	Current TO 1159 PM SAT	Trace (20%) to 0.1" (10%) to 0.3" (5%)	NONE

MONITOR NATIONAL WEATHER SERVICE FOR SEVERE WEATHER STATEMENTS.