Aguada Municipality, PR
Alerts
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Alerts are listed in order of start time and level of severity. Click on the alert title to read details for each alert.
In effect from Saturday 09/19 3:50 PM AST – Saturday 09/19 6:30 PM AST
Issued by NWS San Juan PR
FFWSJU
The National Weather Service in San Juan has issued a
* Flash Flood Warning for... Aguada County in Puerto Rico... Las Marias County in Puerto Rico... Moca County in Puerto Rico... San Sebastian County in Puerto Rico...
* Until 630 PM AST.
* At 350 PM AST, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 2 and 3 inches of rain have fallen. Additional rainfall amounts of 1 to 2 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly.
HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding.
SOURCE...Radar indicated.
IMPACT...Life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses.
What to Do
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.
Flooding is occurring or is imminent. It is important to know where you are relative to streams, rivers, or creeks which can become killers in heavy rains. Campers and hikers should avoid streams or creeks.
Areas Impacted
- Aguada, PR
- Las Marias, PR
- Moca, PR
- San Sebastian, PR
Tips to Stay Safe
A Flash Flood Warning means that dangerous flooding is expected or already happening. Flash flooding can develop in hours or minutes, so take protective action now.
- If you are in a low-lying or flood prone area, move to higher ground immediately.
- Stay off bridges over fast-moving water, and away from storm drains, culverts, creeks and streams.
- Never walk, swim, or drive through flood waters or flooded roads.
- If you are trapped in a building, move to the highest floor and call 911. Go to the roof only if necessary.
- If your vehicle is trapped in rapidly moving water, stay inside. If water is rising inside the vehicle, move to the roof and signal for help.
Briefings
From the Forecaster
Heat Risk Returns Today - Heat Advisory
Created by the NWS San Juan WFO
📅 Saturday, September 19, 2026 | Sábado, 19 de septiembre de 2026 — The heat never really left, but higher heat risk is back today. A Heat Advisory is in effect from 10 AM to 5 PM AST for Puerto Rico, including Culebra and Vieques, and for St. Thomas, St. John, and St. Croix. Most heat-sensitive people may be affected; drink water often, take frequent breaks, and limit strenuous activity during the hottest part of the day. El calor nunca se fue del todo, pero hoy aumenta nuevamente el riesgo por calor. | Una Advertencia de Calor está vigente de 10 AM a 5 PM AST para Puerto Rico, incluyendo Culebra y Vieques, y para St. Thomas, St. John y St. Croix. La mayoría de las personas sensibles al calor pueden verse afectadas; manténgase hidratado, tome descansos frecuentes y limite la actividad física intensa durante las horas de más calor.
Seven-day Weather Risk Overview
The graphic shows the daily risk summary for 7 days. Daily risk is based on highest risk factor for that day.
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