Waterspout — Coastal Waters of Northern Puerto Rico Out 10 Nm, Atlantic South

2023-01-03 · near San Harbour Entrance, Coastal Waters of Northern Puerto Rico Out 10 Nm, Atlantic South

Event narrative

A special METAR was issued by the observer at the San Juan LMM International Airport indicating a waterspout 5 miles northwest of the tower. The waterspout only lasted for two minutes.

Wider weather episode

A surge of moisture promoted a showery weather pattern across the islands. Additionally, an approaching trough at the upper levels was increasing instability aloft. As a result of these unsettled conditions, a waterspout developed north of the San Juan International Airport.

View location on OpenStreetMap → (18.4868, -66.0802)

Source: NOAA Storm Events Database, event_id 1067626. Narrative written by the NWS forecast office that issued the report.