Aug 14, 2010
A warm and moist air mass was in place across the region during the afternoon hours. Temperatures were in the upper 80s to lower 90s with dewpoints in the low to middle 70s. A weak mid level short wave combined with residual boundaries allowed for scattered thunderstorm development through the mid afternoon hours. These thunderstorms continued into the early evening hours.
Source: NOAA National Weather Service Storm Events Database (event 245594). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Lewis County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.