Time: 856 PM Thu August 22, 2024 Forecaster: Aaron O ------------------------- 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 10:00pm as the threat of heavy rainfall has come to an end. A single round of moderate to heavy showers impacted portions of the District this afternoon and early evening. Shower and thunderstorm activity has since moved northeastward and out of the District. No showers remain westward of the district. A very slight chance remains for an isolated shower to form and move into the District bringing minimal additional rainfall. Temperatures overnight will decrease into the low 60s for the plains with mid to upper 50s along the foothills. Drier conditions move into the region tomorrow, keeping only a slight chance for a few afternoon/evening showers and possibly an isolated thunderstorm or two. High temperatures tomorrow will also increase, likely jumping back into the upper 80s to the low 90s. STORM RAINFALL POTENTIAL AND DURATION: A weak shower will produce a trace to 0.10” total in 10-30 minutes. WORST CASE SCENARIO: A stronger shower will have the potential to produce 0.10-0.25” total in 10-30 minutes. COUNTY MESSAGE VALID TIMES PRIME TIME Lakewood 1 Current TO 1000 PM Current TO 1000 PM Wheat Ridge 1 Current TO 1000 PM Current TO 1000 PM Arvada 1 Current TO 1000 PM Current TO 1000 PM the City of Aurora 1 Current TO 1000 PM Current TO 1000 PM Arapahoe County 1 Current TO 1000 PM Current TO 1000 PM DIA 1 Current TO 1000 PM Current TO 1000 PM Denver County 1 Current TO 1000 PM Current TO 1000 PM Adams County 1 Current TO 1000 PM Current TO 1000 PM Douglas County 1 Current TO 1000 PM Current TO 1000 PM Broomfield County 1 Current TO 1000 PM Current TO 1000 PM Jefferson County 1 Current TO 1000 PM Current TO 1000 PM Boulder County 1 Current TO 1000 PM Current TO 1000 PM County-specific Quantitative Precipitation Outlook PRECIPITATION TIME 30-Minute Rainfall and % Probability Message Potential Plains       Adams Current TO 1159 PM THU Trace (25%) to 0.1" (10%) to 0.1" (5%) NONE Arapahoe Current TO 1159 PM THU Trace (25%) to 0.1" (10%) to 0.1" (5%) NONE Boulder Current TO 1159 PM THU Trace (25%) to 0.1" (10%) to 0.1" (5%) NONE Broomfield Current TO 1159 PM THU Trace (25%) to 0.1" (10%) to 0.1" (5%) NONE Denver Current TO 1159 PM THU Trace (25%) to 0.1" (10%) to 0.1" (5%) NONE Douglas Current TO 1159 PM THU Trace (25%) to 0.1" (10%) to 0.1" (5%) NONE Jefferson Current TO 1159 PM THU Trace (25%) to 0.1" (10%) to 0.1" (5%) NONE Foothills above 6500ft       Boulder Current TO 1159 PM THU Trace (25%) to 0.1" (10%) to 0.1" (5%) NONE Douglas Current TO 1159 PM THU Trace (25%) to 0.1" (10%) to 0.1" (5%) NONE Jefferson Current TO 1159 PM THU Trace (25%) to 0.1" (10%) to 0.1" (5%) 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]