Flash Flood Warning Puerto Rico | Effective 03/27/2026 17:56

Headline: 
Flash Flood Warning issued March 27 at 8:56PM AST until March 28 at 12:00AM AST by NWS San Juan PR
Event: 
Flash Flood Warning
Urgency: 
Immediate
Effective: 
March 27, 2026 - 5:56pm
Expires: 
March 27, 2026 - 9:00pm
Description: 
FFWSJU The National Weather Service in San Juan has issued a * Flash Flood Warning for... Vega Alta and Vega Alta in Puerto Rico... * Until midnight AST tonight. * At 856 PM AST, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 2 and 4 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...Flash flooding caused by thunderstorms. SOURCE...Radar. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas.
Instruction: 
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding.
Area Description: 
Vega Alta, PR; Vega Baja, PR
Forcast Office: 
NWS San Juan PR
Sender: 
w-nws.webmaster@noaa.gov