Time: 246 AM Sat August 20, 2022 Forecaster: Brad Simmons

Internal Message Status
Flash Flood Prediction Program

MESSAGE 1'S WILL BE ALLOWED TO EXPIRE
-Message 1's will be allowed to expire at 4:00 AM as the threat for heavy rainfall has ended.
-An isolated light rain shower remains possible into mid-morning. Heavy rainfall is not expected.
-Thunderstorms will become likely later this afternoon with stronger storms capable of producing heavy rain.
STORM RAINFALL POTENTIAL AND DURATION: Isolated light rain showers will produce rainfall amounts of TR-0.3".

County Message Valid Times Prime Time
Boulder County 1 Current TO 400 AM Current TO 300 AM
Jefferson County 1 Current TO 400 AM Current TO 300 AM
Broomfield County 1 Current TO 400 AM Current TO 300 AM
Douglas County 1 Current TO 400 AM Current TO 300 AM
Adams County 1 Current TO 400 AM Current TO 300 AM
Denver County 1 Current TO 400 AM Current TO 300 AM
DIA 1 Current TO 400 AM Current TO 300 AM
Arapahoe County 1 Current TO 400 AM Current TO 300 AM
the City of Aurora 1 Current TO 400 AM Current TO 300 AM
Arvada 1 Current TO 400 AM Current TO 300 AM
Wheat Ridge 1 Current TO 400 AM Current TO 300 AM
Lakewood 1 Current TO 400 AM Current TO 300 AM

County-specific Quantitative
Precipitation Outlook
Precipitation Time 30-Minute Rainfall
and % Probability
Message
Potential
Plains      
Adams Current TO 900 AM SAT
Trace (40%) to 0.1" (20%) to 0.3" (10%) NONE
Arapahoe Current TO 900 AM SAT
Trace (40%) to 0.1" (20%) to 0.3" (10%) NONE
Boulder Current TO 900 AM SAT
Trace (40%) to 0.1" (20%) to 0.3" (10%) NONE
Broomfield Current TO 900 AM SAT
Trace (40%) to 0.1" (20%) to 0.3" (10%) NONE
Denver Current TO 900 AM SAT
Trace (40%) to 0.1" (20%) to 0.3" (10%) NONE
Douglas Current TO 900 AM SAT
Trace (40%) to 0.1" (20%) to 0.3" (10%) NONE
Jefferson Current TO 900 AM SAT
Trace (40%) to 0.1" (20%) to 0.3" (10%) NONE
Foothills above 6500ft      
Boulder Current TO 900 AM SAT
Trace (40%) to 0.1" (20%) to 0.3" (10%) NONE
Douglas Current TO 900 AM SAT
Trace (40%) to 0.1" (20%) to 0.3" (10%) NONE
Jefferson Current TO 900 AM SAT
Trace (40%) to 0.1" (20%) to 0.3" (10%) NONE
MONITOR NATIONAL WEATHER SERVICE FOR SEVERE WEATHER STATEMENTS.
https://f2p2.udfcd.org/generator/