Time: 944 AM Sat July 30, 2022 Forecaster: Brad Simmons ------------------------- Heavy Precipitation Outlook Flash Flood Prediction Program ------------------------- HOT CONDITIONS WITH A DECREASE IN THUNDERSTORM ACTIVITY - Thunderstorm activity is expected to be relatively light and isolated today. Highs this afternoon will reach the upper 80's to low 90's, dewpoints in the mid 40's. - Isolated afternoon thunderstorms that develop will be high-based producing mainly light rainfall and gusty winds. Best chances for thunderstorms today will be over the foothills and Palmer Divide between 2-8pm. - Dry conditions are expected for the remainder of the evening and overnight period. STORM RAINFALL POTENTIAL AND DURATION: Rain showers and weak to briefly moderate thunderstorms will produce rainfall amounts of a trace to 0.2". WORST CASE SCENARIO: A stronger thunderstorm is able to develop with the potential to produce rainfall rates of 0.2-0.5" in 10-30 minutes. A LOOK AHEAD: High pressure ridging continues across the intermountain west, transporting monsoonal moisture into the state throughout the weekend and into next week. Sunday will be similar with highs in the upper 80s to low 90s and a slight chance for isolated afternoon thunderstorms. Temperatures return to the mid 90’s next week as a heat wave builds into Colorado. LOCATION PRIME TIME 30-Minute Rainfall and % Probability Message Potential Plains       Adams 200 PM TO 800 PM Trace (30%) to 0.1" (15%) to 0.2" (5%) NONE Arapahoe 200 PM TO 800 PM Trace (30%) to 0.1" (15%) to 0.2" (5%) NONE Boulder 200 PM TO 800 PM Trace (40%) to 0.1" (20%) to 0.2" (5%) NONE Broomfield 200 PM TO 800 PM Trace (30%) to 0.1" (15%) to 0.2" (5%) NONE Denver 200 PM TO 800 PM Trace (30%) to 0.1" (15%) to 0.2" (5%) NONE Douglas 200 PM TO 800 PM Trace (40%) to 0.1" (20%) to 0.2" (5%) NONE Jefferson 200 PM TO 800 PM Trace (40%) to 0.1" (20%) to 0.2" (5%) NONE Foothills above 6500ft       Boulder 100 PM TO 800 PM Trace (50%) to 0.1" (25%) to 0.2" (10%) NONE Douglas 100 PM TO 800 PM Trace (50%) to 0.1" (25%) to 0.2" (10%) NONE Jefferson 100 PM TO 800 PM Trace (50%) to 0.1" (25%) to 0.2" (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]