| - | Message 1's have been issued for Adams, Arapahoe and Denver Counties and will be valid until 9:00 PM. |
| - | Colliding outflow boundaries has resulted in thunderstorm activity east of I-25 over portions of Adams, Arapahoe and Denver Counties. These storms are currently strengthening and may produce heavy rainfall as well as large hail and gusty winds. |
| - | Thunderstorms may remain nearly stationary before being carried away by upper level winds. Otherwise storms will generally move from NW to SE at around 20mph. Best chances for strong to severe thunderstorms will be over the next couple hours. |
WORST CASE SCENARIO: A slower moving strong thunderstorm or briefly anchored thunderstorm may result in up to 1.6" of heavy rainfall in 45-60 minutes.
| County-specific Quantitative Precipitation Outlook |
Precipitation Time | 30-Minute Rainfall and % Probability |
Message Potential |
|---|---|---|---|
| Plains | |||
| Adams |
Current TO
900 PM TUE |
0.1" (100%) to 0.4" (75%) to 1.0" (40%) | |
| Arapahoe |
Current TO
900 PM TUE |
0.1" (90%) to 0.4" (60%) to 1.0" (30%) | |
| Boulder |
Current TO
900 PM TUE |
0.1" (50%) to 0.4" (25%) to 1.0" (10%) | |
| Broomfield |
Current TO
900 PM TUE |
0.1" (50%) to 0.4" (25%) to 1.0" (10%) | |
| Denver |
Current TO
900 PM TUE |
0.1" (90%) to 0.4" (60%) to 1.0" (30%) | |
| Douglas |
Current TO
900 PM TUE |
0.1" (75%) to 0.4" (50%) to 1.0" (15%) | |
| Jefferson |
Current TO
900 PM TUE |
0.1" (50%) to 0.4" (25%) to 1.0" (10%) | |
| Foothills above 6500ft | |||
| Boulder |
Current TO
900 PM TUE |
0.1" (40%) to 0.4" (20%) to 1.0" (5%) | |
| Douglas |
Current TO
900 PM TUE |
0.1" (40%) to 0.4" (20%) to 1.0" (5%) | |
| Jefferson |
Current TO
900 PM TUE |
0.1" (40%) to 0.4" (20%) to 1.0" (5%) |
MONITOR NATIONAL WEATHER SERVICE FOR SEVERE WEATHER STATEMENTS.