| - | Message 1's have been issued for the entire District and will be valid through 6pm. |
| - | Thunderstorms have initiated over W portions of the District with 1-2 waves of storms expected through mid afternoon. Weak to moderate thunderstorms will be most likely culprits today but a stronger thunderstorm will have the potential to produce brief heavy rainfall that may lead to excessive runoff. Heavy rainfall rates of around 0.5"/10 minutes may occur under stronger storms but with relatively fast storm motions rainfall amounts are expected to typically stay under 1". |
| - | Best chances for strong thunderstorms will be over the plains. Strong thunderstorms may also contain gusty winds, large hail and frequent cloud-to-ground lightning. After 5 or 6pm conditions are expected to be drying out from NW to SE. |
WORST CASE SCENARIO: A large slower moving thunderstorm or training of thunderstorm cells may result in up to 1.8" of rainfall in 60 minutes or less.
| County-specific Quantitative Precipitation Outlook |
Precipitation Time | 30-Minute Rainfall and % Probability |
Message Potential |
|---|---|---|---|
| Plains | |||
| Adams |
Current TO
600 PM FRI |
0.1" (90%) to 0.4" (60%) to 0.9" (20%) | |
| Arapahoe |
Current TO
600 PM FRI |
0.1" (90%) to 0.4" (60%) to 0.9" (20%) | |
| Boulder |
Current TO
600 PM FRI |
0.1" (90%) to 0.4" (60%) to 0.9" (20%) | |
| Broomfield |
Current TO
600 PM FRI |
0.1" (90%) to 0.4" (60%) to 0.9" (20%) | |
| Denver |
Current TO
600 PM FRI |
0.1" (90%) to 0.4" (60%) to 0.9" (20%) | |
| Douglas |
Current TO
600 PM FRI |
0.1" (90%) to 0.4" (60%) to 0.9" (20%) | |
| Jefferson |
Current TO
600 PM FRI |
0.1" (90%) to 0.4" (60%) to 0.9" (20%) | |
| Foothills above 6500ft | |||
| Boulder |
Current TO
600 PM FRI |
0.1" (90%) to 0.4" (60%) to 0.9" (15%) | |
| Douglas |
Current TO
600 PM FRI |
0.1" (90%) to 0.4" (60%) to 0.9" (15%) | |
| Jefferson |
Current TO
600 PM FRI |
0.1" (90%) to 0.4" (60%) to 0.9" (15%) |
MONITOR NATIONAL WEATHER SERVICE FOR SEVERE WEATHER STATEMENTS.