Marine Thunderstorm Wind — Cape Elizabeth Me To Merrimack River Ma Out 25 Nm, Atlantic North
2021-05-26 · near Isle of Shoals, Cape Elizabeth Me To Merrimack River Ma Out 25 Nm, Atlantic North
Event narrative
A line of thunderstorms pushed off the coast on the evening bringing a wide area of gusty winds to the coastal waters. Isle of Shoals station reported a gust of 43 mph.
Wider weather episode
An unseasonably hot and humid airmass moved into the region allowing for instability values more typical for summer. In addition, a pre-frontal trough approached New Hampshire & Maine ahead of the main surface cold front located to the west in Quebec Province. A strong jet streak aloft allowed for strong 0-6km shear profiles. These ingredients led to organized linear convection by the evening with a line of strong winds impacting the coastal waters.
View location on OpenStreetMap → (42.9700, -70.6200)
Source: NOAA Storm Events Database, event_id 962987. Narrative written by the NWS forecast office that issued the report.