Time: 1035 PM Mon July 1, 2019 Forecaster: Justin Brooks

Internal Message Status
Flash Flood Prediction Program

MESSAGES HAVE BEEN EXTENDED FOR THE ENTIRE DISTRICT UNTIL 11:59PM
-Message 1's have been extended until 11:59pm for the entire District.
-Slow-moving thunderstorms continue to impact north and eastern portions of the District this evening. Storms this evening are exhibiting slow and erratic movement, with the potential for additional development in the District over the next couple of hours.
-Dewpoints remain well in the 50s across the District, which will result in heavy rainfall potential with moderate to strong thunderstorms. Storm activity should gradually diminish by midnight.
STORM RAINFALL POTENTIAL AND DURATION: Weak thunderstorms will produce rainfall amounts of 0.1-0.4" in 10-30 minutes. Stronger thunderstorms will produce rainfall amounts of 0.4-1.2" in 10-30 minutes.

WORST CASE SCENARIO: A strong, stationary thunderstorm produces heavy rainfall of up to 2.5" in 60-90 minutes.

County Message Valid Times Prime Time
Boulder County 1 Current TO 1159 PM Current TO 1159 PM
Jefferson County 1 Current TO 1159 PM Current TO 1159 PM
Broomfield County 1 Current TO 1159 PM Current TO 1159 PM
Douglas County 1 Current TO 1159 PM Current TO 1159 PM
Adams County 1 Current TO 1159 PM Current TO 1159 PM
Denver County 1 Current TO 1159 PM Current TO 1159 PM
DIA 1 Current TO 1159 PM Current TO 1159 PM
Arapahoe County 1 Current TO 1159 PM Current TO 1159 PM
the City of Aurora 1 Current TO 1159 PM Current TO 1159 PM
Arvada 1 Current TO 1159 PM Current TO 1159 PM
Wheat Ridge 1 Current TO 1159 PM Current TO 1159 PM
Lakewood 1 Current TO 1159 PM Current TO 1159 PM

County-specific Quantitative
Precipitation Outlook
Precipitation Time 30-Minute Rainfall
and % Probability
Message
Potential
Plains      
Adams Current TO 1159 PM MON
Trace (90%) to 0.4" (50%) to 1.2" (10%) ISSUED
Arapahoe Current TO 1159 PM MON
Trace (90%) to 0.4" (50%) to 1.2" (10%) ISSUED
Boulder Current TO 1159 PM MON
Trace (90%) to 0.4" (30%) to 1.2" (5%) ISSUED
Broomfield Current TO 1159 PM MON
Trace (90%) to 0.4" (30%) to 1.2" (5%) ISSUED
Denver Current TO 1159 PM MON
Trace (90%) to 0.4" (50%) to 1.2" (5%) ISSUED
Douglas Current TO 1159 PM MON
Trace (90%) to 0.4" (30%) to 1.2" (5%) ISSUED
Jefferson Current TO 1159 PM MON
Trace (90%) to 0.4" (30%) to 1.2" (5%) ISSUED
Foothills above 6500ft      
Boulder Current TO 1159 PM MON
Trace (90%) to 0.4" (20%) to 1.2" (5%) ISSUED
Douglas Current TO 1159 PM MON
Trace (90%) to 0.4" (20%) to 1.2" (5%) ISSUED
Jefferson Current TO 1159 PM MON
Trace (90%) to 0.4" (20%) to 1.2" (5%) ISSUED
MONITOR NATIONAL WEATHER SERVICE FOR SEVERE WEATHER STATEMENTS.