Winter Weather — Southern Grafton, New Hampshire
2020-05-09 · Southern Grafton, New Hampshire
Event narrative
Rain changed to wet snow during the early morning hours on the 9th. Anywhere from a dusting to 3 inches of snow fell depending on elevation as well as the location of heaviest snow banding. Some selected amounts include 2 inches in Brookfield and 2.4 inches 1 mile west of Wolfeboro.
Wider weather episode
A cool and dry air mass was in place across northern New England on May 8th into the 9th. At the same time low pressure began to develop just south of New England spreading rain across New Hampshire on the night of the 8th. Through evaporational cooling and strong lift, the rain changed to snow across higher elevations with the snow levels falling throughout the night until many locations picked up several inches of snow by midday on the 9th.
Source: NOAA Storm Events Database, event_id 897565. Narrative written by the NWS forecast office that issued the report.