Time: 1119 AM Fri August 12, 2022 Forecaster: Laura Smith ------------------------- Heavy Precipitation Outlook Flash Flood Prediction Program ------------------------- WARM AND MOSTLY DRY CONDITIONS PERSIST ACROSS THE DISTRICT TODAY - No change in forecast. Reissuing to fix missing locations in table. A pocket of dry air remains over eastern Colorado, supporting clear and largely uneventful conditions across lower elevations of the District today. Isolated showers and thunderstorms are expected to develop over the Continental Divide by the afternoon. - Today will be sunny and hot with afternoon high temperatures expected to climb into the mid to upper 90s, dewpoints in the mid 40s. As upper level flow shifts from southerly to southwesterly, there is a small chance an isolated shower or two propagates into the District later afternoon/early evening. - Skies will be mostly clear overnight and into tomorrow morning. Lows will dip into the mid to upper 60s. STORM RAINFALL POTENTIAL AND DURATION: Isolated showers have the potential to produce a trace to 0.2" of precipitation in 30 minutes. WORST CASE SCENARIO: Slow moving storms across of near the foothills may produce 0.2"-0.4" in 30 minutes. A LOOK AHEAD: Monsoon winds will resume moisture transport into the area on Saturday, supporting a slight chance for afternoon showers and thunderstorms. Highs will reach the mid to upper 90s once again. On Sunday, high temperatures reach the mid 90s with another round of afternoon to evening showers and thunderstorms. Temperatures begin to cool a bit early next week with the arrival of an upper-level disturbance. Afternoon to evening showers and thunderstorms are likely Monday and Tuesday with highs in the low to mid 80s. LOCATION PRIME TIME 30-Minute Rainfall and % Probability Message Potential Plains       Adams 300 PM TO 1000 PM Trace (20%) to 0.1" (10%) to 0.2" (5%) NONE Arapahoe 300 PM TO 1000 PM Trace (20%) to 0.1" (10%) to 0.2" (5%) NONE Boulder 300 PM TO 1000 PM Trace (20%) to 0.1" (10%) to 0.2" (5%) NONE Broomfield 300 PM TO 1000 PM Trace (20%) to 0.1" (10%) to 0.2" (5%) NONE Denver 300 PM TO 1000 PM Trace (20%) to 0.1" (10%) to 0.2" (5%) NONE Douglas 300 PM TO 1000 PM Trace (20%) to 0.1" (10%) to 0.2" (5%) NONE Jefferson 300 PM TO 1000 PM Trace (20%) to 0.1" (10%) to 0.2" (5%) NONE Foothills above 6500ft       Boulder 200 PM TO 1000 PM Trace (40%) to 0.1" (20%) to 0.2" (10%) NONE Douglas 200 PM TO 1000 PM Trace (40%) to 0.1" (20%) to 0.2" (10%) NONE Jefferson 200 PM TO 1000 PM Trace (40%) to 0.1" (20%) 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]