Debris Flow — San Sebastian, Puerto Rico

2022-08-21 · near San Sebastian, San Sebastian, Puerto Rico

Event narrative

Emergency Managers reported a landslide at PR-435, Barrio Calabaza, Sector Sancho Grande.

Wider weather episode

A tropical wave moved across the area, increasing convergence at the lower levels. Later in the period, low level moisture was provided by the proximity of a surface trough. Additionally, an upper level low approached from the northeast, providing instability aloft, as high pressure at all level weakened.

View location on OpenStreetMap → (18.3100, -66.9758)

Source: NOAA Storm Events Database, event_id 1045250. Narrative written by the NWS forecast office that issued the report.