Time: 548 PM Mon July 29, 2019 Forecaster: Nick Barlow

Internal Message Status
Flash Flood Prediction Program

MESSAGES WILL CONTINUE VALID
-Message 1's issued for portions of the District will continue valid until 8:00pm this evening.
-Moderate to strong thunderstorms impacted southern portions of the District early this afternoon, but storm activity has now shifted well S and E of the area.
-The threat for heavy rainfall is decreasing, but an isolated stronger storm cell capable of heavy rainfall remains possible.
STORM RAINFALL POTENTIAL AND DURATION: Stronger thunderstorm may produce 0.3-0.7" in 10-30 minutes.

WORST CASE SCENARIO: A strong, slow-moving/stationary thunderstorm produces rainfall up to 2.3" in 60-90 minutes.

County Message Valid Times Prime Time
Jefferson County 1 Current TO 800 PM Current TO 700 PM
Douglas County 1 Current TO 800 PM Current TO 700 PM
Denver County 1 Current TO 800 PM Current TO 700 PM
Arapahoe County 1 Current TO 800 PM Current TO 700 PM
the City of Aurora 1 Current TO 800 PM Current TO 700 PM
Arvada 1 Current TO 800 PM Current TO 700 PM
Wheat Ridge 1 Current TO 800 PM Current TO 700 PM
Lakewood 1 Current TO 800 PM Current TO 700 PM

County-specific Quantitative
Precipitation Outlook
Precipitation Time 30-Minute Rainfall
and % Probability
Message
Potential
Plains      
Adams Current TO 800 PM MON
0.1" (30%) to 0.3" (20%) to 0.7" (10%) LOW
Arapahoe Current TO 800 PM MON
0.1" (50%) to 0.3" (25%) to 0.7" (10%) ISSUED
Boulder Current TO 800 PM MON
0.1" (30%) to 0.3" (20%) to 0.7" (10%) LOW
Broomfield Current TO 800 PM MON
0.1" (30%) to 0.3" (20%) to 0.7" (10%) LOW
Denver Current TO 800 PM MON
0.1" (50%) to 0.3" (25%) to 0.7" (10%) ISSUED
Douglas Current TO 800 PM MON
0.1" (50%) to 0.3" (30%) to 0.7" (15%) ISSUED
Jefferson Current TO 800 PM MON
0.1" (50%) to 0.3" (30%) to 0.7" (15%) ISSUED
Foothills above 6500ft      
Boulder Current TO 800 PM MON
0.1" (30%) to 0.3" (20%) to 0.7" (10%) LOW
Douglas Current TO 800 PM MON
0.1" (50%) to 0.3" (25%) to 0.7" (15%) ISSUED
Jefferson Current TO 800 PM MON
0.1" (30%) to 0.3" (20%) to 0.7" (10%) ISSUED
MONITOR NATIONAL WEATHER SERVICE FOR SEVERE WEATHER STATEMENTS.