Flash Flood Prediction Program

-	Message 1's will be allowed to expire at 10:00 PM as the threat for heavy rainfall has ended for the day.
-	Now that temperatures have cooled into the upper 60's and 70's over the District the threat for heavy rainfall has ended for the day. An isolated rain shower or weak thunderstorm remains possible through about midnight but overall conditions expected to be generally dry.
-	More thunderstorms are expected on Tuesday afternoon with the potential for heavy rainfall then a drier and less active pattern is expected Wednesday through Friday with temperatures running well above normal.

STORM RAINFALL POTENTIAL AND DURATION: Isolated rain showers and possibly a weak thunderstorm will produce a trace to 0.2".

WORST CASE SCENARIO: A moderate thunderstorm is able to develop in a cooling air mass with up to 0.4" possible in 10-30 minutes.

County	Message	Valid Times	Prime Time
Boulder County	1	Current TO 1000 PM	Current TO 845 PM
Jefferson County	1	Current TO 1000 PM	Current TO 845 PM
Broomfield County	1	Current TO 1000 PM	Current TO 845 PM
Douglas County	1	Current TO 1000 PM	Current TO 845 PM
Adams County	1	Current TO 1000 PM	Current TO 845 PM
Denver County	1	Current TO 1000 PM	Current TO 845 PM
DIA	1	Current TO 1000 PM	Current TO 845 PM
Arapahoe County	1	Current TO 1000 PM	Current TO 845 PM
the City of Aurora	1	Current TO 1000 PM	Current TO 845 PM
Arvada	1	Current TO 1000 PM	Current TO 845 PM
Wheat Ridge	1	Current TO 1000 PM	Current TO 845 PM
Lakewood	1	Current TO 1000 PM	Current TO 845 PM

County-specific Quantitative Precipitation Outlook	Precipitation Time	30-Minute Rainfall and % Probability	Message Potential
Plains
Adams	Current TO 1159 PM MON	Trace (30%) to 0.1" (15%) to 0.2" (5%)	NONE
Arapahoe	Current TO 1159 PM MON	Trace (30%) to 0.1" (15%) to 0.2" (5%)	NONE
Boulder	Current TO 1159 PM MON	Trace (30%) to 0.1" (15%) to 0.2" (5%)	NONE
Broomfield	Current TO 1159 PM MON	Trace (30%) to 0.1" (15%) to 0.2" (5%)	NONE
Denver	Current TO 1159 PM MON	Trace (30%) to 0.1" (15%) to 0.2" (5%)	NONE
Douglas	Current TO 1159 PM MON	Trace (30%) to 0.1" (15%) to 0.2" (5%)	NONE
Jefferson	Current TO 1159 PM MON	Trace (30%) to 0.1" (15%) to 0.2" (5%)	NONE
Foothills above 6500ft
Boulder	Current TO 1159 PM MON	Trace (30%) to 0.1" (15%) to 0.2" (5%)	NONE
Douglas	Current TO 1159 PM MON	Trace (30%) to 0.1" (15%) to 0.2" (5%)	NONE
Jefferson	Current TO 1159 PM MON	Trace (30%) to 0.1" (15%) to 0.2" (5%)	NONE

MONITOR NATIONAL WEATHER SERVICE FOR SEVERE WEATHER STATEMENTS.