Time: 859 PM Wed August 14, 2024 Forecaster: Justin Brooks ------------------------- Internal Message Status Flash Flood Prediction Program ------------------------- MESSAGE 1’S WILL BE ALLOWED TO EXPIRE AT 10:00 PM Message 1’s will be allowed to expire at 10pm as the threat of heavy rainfall has come to an end. Another round of showers is moving through the District from the west/northwest and will make its way through over the next hour or two as it moves east/southeast. Showers should gradually weaken as they make their way eastward and out of the District. There will be a slight chance a shower or two could pulse up into a thunderstorm as they make their way through portions of the the District. However, storm speeds are between 15-20 mph which will limit point rainfall amounts. As showers dissipate, gusty winds will be possible as this line of showers moves eastward and out of the District. Skies will gradually clear out behind this round of showers with mild and dry conditions expected overnight. STORM RAINFALL POTENTIAL AND DURATION: Typical showers will produce a trace to 0.10” total in 10-30 minutes. WORST CASE SCENARIO: A weak to moderate thunderstorm will produce 0.10”-0.30” total in 10-30 minutes. COUNTY MESSAGE VALID TIMES PRIME TIME Boulder County 1 Current TO 1000 PM Current TO 900 PM Jefferson County 1 Current TO 1000 PM Current TO 900 PM Broomfield County 1 Current TO 1000 PM Current TO 900 PM Douglas County 1 Current TO 1000 PM Current TO 900 PM Adams County 1 Current TO 1000 PM Current TO 900 PM Denver County 1 Current TO 1000 PM Current TO 900 PM DIA 1 Current TO 1000 PM Current TO 900 PM Arapahoe County 1 Current TO 1000 PM Current TO 900 PM the City of Aurora 1 Current TO 1000 PM Current TO 900 PM Arvada 1 Current TO 1000 PM Current TO 900 PM Wheat Ridge 1 Current TO 1000 PM Current TO 900 PM Lakewood 1 Current TO 1000 PM Current TO 900 PM County-specific Quantitative Precipitation Outlook PRECIPITATION TIME 30-Minute Rainfall and % Probability Message Potential Plains       Adams Current TO 1159 PM WED Trace (50%) to 0.1" (25%) to 0.3" (10%) NONE Arapahoe Current TO 1159 PM WED Trace (50%) to 0.1" (25%) to 0.3" (10%) NONE Boulder Current TO 1159 PM WED Trace (50%) to 0.1" (25%) to 0.3" (10%) NONE Broomfield Current TO 1159 PM WED Trace (50%) to 0.1" (25%) to 0.3" (10%) NONE Denver Current TO 1159 PM WED Trace (50%) to 0.1" (25%) to 0.3" (10%) NONE Douglas Current TO 1159 PM WED Trace (50%) to 0.1" (25%) to 0.3" (10%) NONE Jefferson Current TO 1159 PM WED Trace (50%) to 0.1" (25%) to 0.3" (10%) NONE Foothills above 6500ft       Boulder Current TO 1159 PM WED Trace (50%) to 0.1" (25%) to 0.3" (10%) NONE Douglas Current TO 1159 PM WED Trace (50%) to 0.1" (25%) to 0.3" (10%) NONE Jefferson Current TO 1159 PM WED Trace (50%) to 0.1" (25%) to 0.3" (10%) NONE MONITOR NATIONAL WEATHER SERVICE FOR SEVERE WEATHER STATEMENTS. MHFD Flood Prediction Center: 303-458-0789    F2P2 Website [http://udfcd.org/Flash+Flood+Prediction+Program]