The leading edge of an active tropical wave moved across the eastern part of Puerto Rico. A line of strong showers and thunderstorms accompanied this wave, bringing periods of torrential rain and frequent lightning to much of the San Juan metropolitan area.
Every event with a place to put it. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS SJU wrote it up.
The leading edge of an active tropical wave moved across the eastern part of Puerto Rico. A line of strong showers and thunderstorms accompanied this wave, bringing periods of torrential rain and frequent lightning to much of the San Juan metropolitan area. A record daily maximum rainfall of 1.59 inches was set at San Juan. This broke the old record of 0.96 set in 2002.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS San Juan, PR wrote its last area forecast discussion before the first event at Sep 25, 11:05 PM AST, 4 hours 50 minutes earlier.
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</html>HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SAN JUAN PR 615 AM AST TUE SEP 25 2007 PRZ001>013-AMZ710>750-261000- 615 AM AST TUE SEP 25 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PUERTO RICO. .TODAY AND TONIGHT... SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS WILL DEVELOP ACROSS THE INTERIOR OF PUERTO RICO THIS AFTERNOON...WITH THE MOST NUMEROUS SHOWERS AND THUNDERSTORMS EXPECTED OVER THE INTERIOR AND WESTERN SECTIONS OF THE ISLAND. ADDITIONALLY...SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS CAN BE EXPECTED ACROSS PORTIONS OF THE METRO AREA ASSOCIATED WITH CLOUDS AND SHOWERS STREAMING OFF EL YUNQUE. WIDESPREAD HEAVY RAINFALL IS NOT ANTICIPATED...ALTHOUGH LOCALIZED FLOODING WILL BE POSSIBLE DURING THE AFTERNOON HOURS. .DAYS TWO THROUGH SEVEN... A TROPICAL WAVE OVER THE LESSER ANTILLES HAS THE POTENTIAL TO BRING WIDESPREAD MODERATE TO HEAVY RAINFALL TO PUERTO RICO ON WEDNESDAY. RAINFALL AMOUNTS BETWEEN ONE AND THREE INCHES WILL BE POSSIBLE ACROSS LOWER ELEVATIONS...WITH THE POTENTIAL FOR THREE TO FIVE INCHES OF RAINFALL ACROSS THE INTERIOR SECTIONS OF THE ISLAND. THIS RAINFALL WILL HAVE THE POTENTIAL TO PRODUCE RIVER AND FLASH FLOODING...AS WELL AS INDUCE MUDSLIDES ACROSS AREAS OF STEEP TERRAIN. .SPOTTER CALL TO ACTION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED TODAY. VIZ001-002-AMZ710>730-261000- 615 AM AST TUE SEP 25 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE U.S. VIRGIN ISLANDS. .TODAY AND TONIGHT... SCATTERED PASSING SHOWERS AND AN ISOLATED THUNDERSTORM CAN BE EXPECTED ACROSS THE U.S. VIRGIN ISLAND TODAY. NO OTHER HAZARDOUS WEATHER IS EXPECTED. .DAYS TWO THROUGH SEVEN... A TROPICAL WAVE...CURRENTLY ALONG THE LESSER ANTILLES...WILL APPROACH THE LOCAL ISLANDS EARLY WEDNESDAY. THIS WAVE WILL BRING AN INCREASE IN SHOWER AND THUNDERSTORM ACTIVITY...WITH THE POTENTIAL FOR LOCALIZED FLOODING...ON WEDNESDAY. RAINFALL AMOUNTS BETWEEN ONE AND THREE INCHES WILL BE POSSIBLE...WITH THE POTENTIAL FOR MUDSLIDES ACROSS AREAS OF STEEP TERRAIN. .SPOTTER CALL TO ACTION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED TODAY. STAY TUNED TO NOAA WEATHER RADIO AND OTHER LOCAL MEDIA FOR FURTHER DETAILS OR UPDATES. FOR ADDITIONAL INFORMATION...VISIT THE NATIONAL WEATHER SERVICE WEB SITE FOR PUERTO RICO AND THE U.S. VIRGIN ISLANDS AT (ALL LOWERCASE LETTERS): HTTP://WWW.SRH.NOAA.GOV/SJU FROM YOUR PDA/PHONE: HTTP://MOBILE.SRH.NOAA.GOV OR WWW.SRH.NOAA.GOV/WML SR
The national radar mosaic for the moment the first event began.
1 heavy rain. Local standard time, as filed.
Emergency Management reported some poor drainage flooding along the Villamar marginal road in Isla Verde.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Puerto Rico in 2007Every state in 2007This day in weather historyWarnings in Puerto Rico, September 2007
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-30. Each event’s entry at NCEI: 60860.