Scattered to numerous showers and thunderstorms are likely from late Friday morning/midday into Friday afternoon and early Friday night.
At this time it appears that the bulk of the activity will likely occur between 12 Noon and 6pm on Friday. Some scattered shower and isolated thunderstorm activity may occur prior to this time, on Friday morning, but the activity is not expected to become more widespread until around or shortly after 12 Noon on Friday.
Locally heavy rainfall is likely at times with any thunderstorms, especially between 12 Noon and 6pm on Friday. At the present time it appears that rainfall amounts of 2-3 inches are likely for most of the local area with this event, with locally higher amounts of 3-4 inches (or more) possible in any parts of the area that receive any concentrated thunderstorm activity on Friday afternoon.
The primary local concern with this activity will be the possibility of flooding of low lying and poor drainage areas (i.e., low water crossings and the like) during any periods of heavy rainfall mainly between 12 Noon and 6pm on Friday afternoon. It will be difficult to pinpoint exactly where this is most likely to occur until the activity actually begins to develop and get underway, so that we can identify any favored areas for persistent thunderstorm development (where/when applicable).
Please note that the bulk of the rainfall (as well as periods of potentially the heaviest rainfall) is currently expected to occur during the heart of the afternoon rush/transportation period on Friday. If you normally travel in areas that typically flood during such conditions, it would be a good idea to have an alternate route in mind in case heavy rainfall impacts travel along your route tomorrow afternoon.
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