Flash Flood Prediction Program

Time: 942 AM Thu May 2, 2024 Forecaster: Laura Smith ------------------------- Heavy Precipitation Outlook Flash Flood Prediction Program ------------------------- Isolated Showers and Thunderstorms this Afternoon and Evening A series of upper-level disturbances propagating across the Intermountain West will support typical springtime showers and thunderstorms along the District this afternoon and evening. Afternoon temperatures will reach the mid 60s with dewpoints in the low 30s. Isolated showers are possible this afternoon and evening. Storm motion today will be quick, limiting point rainfall amounts. STORM RAINFALL POTENTIAL AND DURATION: Typical showers will produce light rainfall of up to 0.10” total in 15-30 minutes. WORST CASE SCENARIO: A strong thunderstorm has the potential to produce up to 0.20” total rainfall 15-30 minutes. A LOOK AHEAD: A warming trend begins tomorrow as the cool airmass exits the High Plains. Temperatures will reach the upper 60s to low 70s with winds from the south between 10-20 mph, gusts as high as 30 mph. Chances for isolated showers and thunderstorms will improve during the afternoon and through the evening. Minimal precipitation is expected. Saturday will be similar with afternoon temperatures in the upper 60s to low 70s and winds from the south at 10-15 mph, gusts up to 20 mph. Isolated showers and thunderstorms are possible during the afternoon and evening. LOCATION PRIME TIME 30-Minute Rainfall and % Probability Message Potential Plains       Adams 300 PM TO 900 PM Trace (75%) to 0.05" (50%) to 0.1" (25%) NONE Arapahoe 300 PM TO 900 PM Trace (75%) to 0.05" (50%) to 0.1" (25%) NONE Boulder 300 PM TO 900 PM Trace (75%) to 0.05" (50%) to 0.1" (25%) NONE Broomfield 300 PM TO 900 PM Trace (75%) to 0.05" (50%) to 0.1" (25%) NONE Denver 300 PM TO 900 PM Trace (75%) to 0.05" (50%) to 0.1" (25%) NONE Douglas 300 PM TO 900 PM Trace (75%) to 0.05" (50%) to 0.1" (25%) NONE Jefferson 300 PM TO 900 PM Trace (75%) to 0.05" (50%) to 0.1" (25%) NONE Foothills above 6500ft       Boulder 300 PM TO 900 PM Trace (75%) to 0.05" (50%) to 0.1" (25%) NONE Douglas 300 PM TO 900 PM Trace (75%) to 0.05" (50%) to 0.1" (25%) NONE Jefferson 300 PM TO 900 PM Trace (75%) to 0.05" (50%) to 0.1" (25%) 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]