Time: 1120 PM Thu August 1, 2019 Forecaster: Justin Brooks

Internal Message Status
Flash Flood Prediction Program

MESSAGES WILL BE ALLOWED TO EXPIRE AT 11:59PM
-Message 1's will be allowed to expire at 11:59pm as the threat for heavy rainfall has come to an end.
-Multiple showers and thunderstorms moved across the District this afternoon and evening as light showers continue across portions of the northern District at this time. Any additional rainfall will remain minimal with the loss of daytime heating, with a chance of showers over the next few hours as a plume of upper level moisture stretches across northern Colorado and west into the mountains.
-Lows tonight will fall into the low 60's on the plains under mostly cloudy to partly cloudy skies.
STORM RAINFALL POTENTIAL AND DURATION: A light shower or weak thunderstorm will produce a trace to trace to 0.10" in 10-30 minutes.

WORST CASE SCENARIO: A slower moving shower or thunderstorm will produce 0.10-0.30" in 60 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 400 AM FRI
Trace (50%) to 0.1" (30%) to 0.3" (10%) ISSUED
Arapahoe Current TO 400 AM FRI
Trace (50%) to 0.1" (30%) to 0.3" (10%) ISSUED
Boulder Current TO 400 AM FRI
Trace (50%) to 0.1" (30%) to 0.3" (10%) ISSUED
Broomfield Current TO 400 AM FRI
Trace (50%) to 0.1" (30%) to 0.3" (10%) ISSUED
Denver Current TO 400 AM FRI
Trace (50%) to 0.1" (30%) to 0.3" (10%) ISSUED
Douglas Current TO 400 AM FRI
Trace (50%) to 0.1" (20%) to 0.3" (5%) ISSUED
Jefferson Current TO 400 AM FRI
Trace (50%) to 0.1" (30%) to 0.3" (10%) ISSUED
Foothills above 6500ft      
Boulder Current TO 400 AM FRI
Trace (50%) to 0.1" (30%) to 0.3" (10%) ISSUED
Douglas Current TO 400 AM FRI
Trace (50%) to 0.1" (20%) to 0.3" (5%) ISSUED
Jefferson Current TO 400 AM FRI
Trace (50%) to 0.1" (30%) to 0.3" (10%) ISSUED
MONITOR NATIONAL WEATHER SERVICE FOR SEVERE WEATHER STATEMENTS.