1 flash flood, as filed by the National Weather Service.
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 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 Jun 27, 4:00 PM AST, 2 hours 15 minutes earlier.
PUERTO RICO AND U.S. VIRGIN ISLANDS FORECAST DISCUSSION NATIONAL WEATHER SERVICE SAN JUAN PR 400 PM AST SUN JUN 27 2004 .DISCUSSION... THE TROPICAL WAVE IS NOW CENTERED NEAR 64 WEST...JUST TO THE SOUTH OF THE U.S. VIRGIN ISLANDS...AND IS MOVING WEST NORTHWEST NEAR 20 KNOTS. ALTHOUGH IT IS FORECAST TO MOVE QUICKLY ACROSS THE REGION THIS EVENING AND OVERNIGHT...LINGERING LOW LEVEL MOISTURE BEHIND THE WAVE AXIS WILL RESULT IN CHANCES OF CONVECTION OVERNIGHT AND INTO THE MORNING HOURS ON MONDAY. FOR SEVERAL DAYS THERE HAS BEEN SOME DISCUSSION ABOUT AN INCREASE IN THE TRADE WINDS ACROSS THE REGION ASSOCIATED WITH THE WAVE...AND THIS HAS BEEN OBSERVED TODAY ACROSS ST. CROIX...ST. KITTS AND ST. MARTIN. ALTHOUGH THE GUIDANCE MAY HAVE BEEN TOO HIGH...BELIEVE WINDS OVER THE OFF SHORE LOCAL ATLANTIC AND CARIBBEAN WATERS SHOULD BE AROUND 19 TO 22 KNOTS. && .MARINE... AS MENTIONED ABOVE...ENHANCED TRADES ARE EXPECTED TO INCREASE LOCAL SEAS TONIGHT...MAINLY ACROSS THE LOCAL OFF SHORE CARIBBEAN AND ATLANTIC WATERS. THEREFORE...STARTED SMALL CRAFT ADVISORIES. && .HYDROLOGY... WITH SATELLITE IMAGERY INDICATING CONVECTION TO THE EAST OF WAVE AXIS AND GFS GUIDANCE INDICATING PRECIP OVER THE REGION TONIGHT...EXTENDED CHANCES OF CONVECTION THROUGH THE EVENING AND MORNING HOURS ON MONDAY. && .PRELIMINARY POINT TEMPS/POPS... SJU 78 89 78 89 / 50 50 40 20 STT 79 88 79 88 / 60 40 40 40 && .SJU WATCHES/WARNINGS/ADVISORIES... PR...SCA FOR AMZ710>740. VI...SCA FOR AMZ720-730. && DIEHL
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SAN JUAN PR 600 AM AST SUN JUN 27 2004 PRZ001>013-AMZ710>750-251000- 600 AM AST SUN JUN 27 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PUERTO RICO. .TODAY AND TONIGHT... ISOLATED SHOWERS ARE POSSIBLE ALONG THE NORTHERN AND EASTERN COASTS OF PUERTO RICO THIS MORNING. LATER THIS AFTERNOON...SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS WILL PREFERENTIALLY FORM OVER THE WESTERN INTERIOR AND MOVE TOWARD THE WEST COAST LATE IN THE DAY. ISOLATED FLOODING MAY OCCUR WITH THESE STORMS. OTHERWISE...A TROPICAL WAVE WILL CAUSE WEATHER CONDITIONS TO GRADUALLY BECOME MORE UNSETTLED AS THE DAY WEARS ON. THE TROPICAL WAVE WILL MOVE ACROSS OUR REGION LATER TONIGHT THROUGH MONDAY...BRINGING WITH IT AN INCREASE IN RAIN CHANCES BY THIS EVENING. STRONGER WINDS AND CHOPPY SEAS HAVE PROMPTED THE ISSUANCE OF SMALL CRAFT ADVISORIES FOR THE CARIBBEAN WATERS. SMALL CRAFT ADVISORIES MAY BE ISSUED FOR THE ATLANTIC WATERS LATER TODAY...AS THE TROPICAL WAVE NEARS. .SPOTTER CALL TO ACTION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED TODAY. HOWEVER...SPOTTERS ARE REQUESTED TO SELF ACTIVATE IF FLOODING IS OBSERVED. .DAYS TWO THROUGH SEVEN... THE SAME TROPICAL WAVE WILL INFLUENCE THE WEATHER ACROSS PUERTO RICO INTO MONDAY. SCATTERED TO NUMEROUS SHOWERS AND ISOLATED THUNDERSTORMS ARE PREDICTED ACROSS THE LOCAL AREA AT THAT TIME...POSSIBLY PRODUCING LOCALIZED FLOODING. BY TUESDAY...RAIN CHANCES WILL DIMINISH CONSIDERABLY...AS A PERIOD OF DRIER AND HAZIER WEATHER BEGINS IN THE WAKE OF THE TROPICAL WAVE. WINDS AND SEAS SHOULD SUBSIDE SOME BY MID WEEK. IT MAY BECOME NECESSARY TO INITIATE SPOTTER ACTIVATION ON MONDAY DUE TO THIS INCREASED RISK OF LOCALIZED FLOODING. VIZ001-002-AMZ710>730-251000- 600 AM AST SUN JUN 27 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE U.S. VIRGIN ISLANDS. .TODAY AND TONIGHT... ISOLATED MORNING SHOWERS MAY OCCUR OVER PORTIONS OF THE U.S. VIRGIN ISLANDS. LATER TODAY...INCREASING CLOUDS AND GUSTY WINDS WILL BE THE HARBINGERS OF A WELL ORGANIZED TROPICAL WAVE NEARING THE LESSER ANTILLES THIS MORNING. SCATTERED TO NUMEROUS SHOWERS AND ISOLATED THUNDERSTORMS WILL BECOME LIKELY BY THIS EVENING...WITH THE POTENTIAL FOR SOME HEAVY RAINS AND LOCAL STREET FLOODING. STRONGER WINDS AND CHOPPY SEAS HAVE PROMPTED THE ISSUANCE OF SMALL CRAFT ADVISORIES FOR THE CARIBBEAN WATERS. SMALL CRAFT ADVISORIES MAY BE ISSUED FOR THE ATLANTIC WATERS LATER TODAY...AS THE TROPICAL WAVE NEARS. .SPOTTER CALL TO ACTION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED TODAY. HOWEVER...SPOTTERS ARE REQUESTED TO SELF ACTIVATE IF FLOODING IS OBSERVED. .DAYS TWO THROUGH SEVEN...RAIN CHANCES WILL BEGIN TO DIMINISH ON MONDAY IN THE WAKE OF THE TROPICAL WAVE. A PERIOD OF DRIER AND HAZIER WEATHER WILL BEGIN BY TUESDAY AND CONTINUE PAST MID WEEK. WINDS AND SEAS SHOULD SUBSIDE SOME BY MID WEEK. 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. KIMBERLAIN
1 flash flood. Local standard time, as filed.
Flooding of streets was reported in Santurce, and near the Minillas tunnel along Baldorioty de Castro Avenue.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Puerto Rico in 2004Every state in 2004This day in weather historyWarnings in Puerto Rico, June 2004
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 2026-09-24. Each event’s entry at NCEI: 5406568.