Hydrologic Outlook

Hydrologic Outlook
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Hydrologic Outlook
National Weather Service San Juan PR
1019 AM AST Wed May 14 2025


...THERE IS AN INCREASING RISK FOR FLOODING ACROSS PUERTO RICO AND
THE U.S. VIRGIN ISLANDS, PARTICULARLY FRIDAY AND SATURDAY...

The local islands once again are expected to experience a wet
weather pattern by the end of the workweek and into the weekend.
This pattern is the result of abundant moisture combined with an
upper-level trough moving across the northeast Caribbean.

Based on the latest guidance, the heaviest rainfall is most likely
to occur from Friday into Saturday. The areas expected to receive
the highest rainfall totals include the southeastern and eastern
portions of Puerto Rico, as well as Vieques, Culebra, and the U.S.
Virgin Islands. Across these areas there is a moderate chance
(40-60%) of receiving 2 to 4 inches with locally higher amounts of
up to 6 inches each day. Elsewhere, the potential exists for
rainfall totals to exceed 1-2 inches.

Due to already saturated soils and rivers and tributaries running
well above normal levels, there is an increasing risk for flooding
across Puerto Rico and the US Virgin Islands on Friday and Saturday.
Any prolonged period of heavy rainfall will result in urban and
flash flooding, river flooding and mudslides particularly across
central and east Puerto Rico where rainfall has been abundant over
the past month.

$$

CVB