1 flash flood, as filed by the National Weather Service.
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 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 22, 11:30 AM AST, 4 hours 52 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE SAN JUAN PR 1130 AM AST THU SEP 22 2005 .UPDATE... A LINE OF SHOWERS ASSOCIATED TO THE TROPICAL STORM PHILLIPE WILL MOVE SOUTH AND ACROSS THE ATLANTIC WATERS DURING THE AFTERNOON HOURS. THESE SHOWERS ARE EXPECTED TO REACH THE NORTH COAST OF PUERTO RICO LATER THIS AFTERNOON. THIS AFTERNOON WE ARE STILL EXPECTING LOCAL EFFECTS TO COMBINE AND PRODUCE SCATTERED TO NUMEROUS SHOWERS AND ISOLATED THUNDERSTORMS OVER THE SOUTHERN HALF OF PUERTO RICO. THE POTENTIAL REMAIN HIGH FOR LOCAL AND URBAN FLOODING. .PREVIOUS DISCUSSION... SYNOPSIS...MID TO UPPER LOW AND CONTINUES NORTH OF THE LOCAL AREA WITH ASSOCIATED TROUGH NOW EXTENDING SOUTHWEST ACROSS PUERTO RICO AND THE U.S. VIRGIN ISLANDS AND INTO THE EASTERN CARIBBEAN. LATEST GFS MODEL GUIDANCE HAS THIS LOW GRADUALLY WEAKENING OVER THE WEEKEND AS IT SLOWLY LIFTS NORTH NORTHWEST AND ACROSS THE LOCAL REGION. AS THE ASSOCIATED TROUGH MOVES ACROSS THE REGION...EXPECT SOME ENHANCEMENT IN THE DIURNAL CONVECTION DURING THE NEXT 24-36 HOURS ACROSS PARTS OF THE LOCAL ISLANDS. MEANWHILE IN THE LOW LEVELS...A BROAD AREA OF LOW PRESSURE EXTENDS FROM THE NORTHEAST CARIBBEAN NORTHEASTWARD INTO THE WEST CENTRAL ATLANTIC...WITH THE SMALL CIRCULATION OF THE POORLY ORGANIZED TROPICAL STORM PHILIPPE LOCATED NEAR 23.3 NORTH... 57.2WEST...AT 0900 UTC...AND MOVING NORTH NEAR 12 MPH. CONSIDERABLE AMOUNT OF ENHANCED CONVECTION CONTINUES EAST OF THE TROUGH AND EXTENDS ACROSS THE EASTERN CARIBBEAN AND THE SOUTHERN PORTION OF THE LESSER ANTILLES. A WEAK TROPICAL WAVE IS LOCATED NEAR 51 WEST AND CONTINUE WEST ACROSS THE TROPICAL ATLANTIC. NO SIGNIFICANT CONVECTION IS SO FAR ASSOCIATED WITH THIS WAVE. && .DISCUSSION...THE EARLIER (00Z) UPPER AIR SOUNDINGS ACROSS THE AREA INDICATED DRIER CONDITIONS ACROSS THE LOCAL REGION WITH A LIGHT NORTHERLY LOW LEVEL WIND FLOW. LATEST SATELLITE IMAGERY AND DOPPLER RADAR HOWEVER SHOWED PATCHES OF CLOUDS WITH SHOWERS AND ISOLATED THUNDERSTORMS DRIFTING SOUTH SOUTHWEST ACROSS THE LOCAL ATLANTIC WATERS AND REACHING PARTS OF THE NORTH COAST OF PUERTO RICO...AS WELL AS ACROSS THE LOCAL SOUTHEASTERN CARIBBEAN WATERS. MODEL GUIDANCE AS WELL AS SATELLITE IMAGERY SUGGEST NO SIGNIFICANT MOISTURE INCREASE TODAY ACROSS THE REGION. THEREFORE...SHOWER ACTIVITY ACROSS THE AREA TODAY WILL NOT BE WIDESPREAD...BUT THERE WILL STILL BE SUFFICIENT UPPER LEVEL INSTABILITY AND LOW LEVEL MOISTURE AVAILABLE...TO ENHANCE DIURNAL CONVECTION...AND PRODUCE ISOLATED AREAS OF MODERATE TO HEAVY RAINFALL AND THUNDERSTORMS ACROSS PARTS OF THE LOCAL ISLANDS. && .MARINE...SEAS HAVE BEGUN TO DECREASE AND WILL CONTINUE TO SUBSIDE THROUGH OUT THE DAY. THE NORTHEAST SWELLS GENERATED FROM PHILIPPE WILL CONTINUE TO AFFECT THE REGIONAL WATERS FOR THE NEXT FEW DAYS...ALTHOUGH SEA HEIGHTS WILL FALL TO 4 TO 5 FEET. && .PRELIMINARY POINT TEMPS/POPS... SJU 91 77 90 77 / 40 0 60 0 STT 89 79 88 79 / 40 40 40 20 && .SJU WATCHES/WARNINGS/ADVISORIES... PR...NONE. VI...NONE. && 09
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SAN JUAN PR 630 AM AST THU SEP 22 2005 PRZ001>013-AMZ710>750-231030- 630 AM AST THU SEP 22 2005 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PUERTO RICO. .DAY ONE...TODAY AND TONIGHT A MODESTLY MOIST AIRMASS IS IN PLACE OVER PUERTO RICO...BUT MID LAYERS ARE RELATIVELY DRY. WINDS ARE EXPECTED TO BECOME LIGHTER AND SWITCH DIRECTIONS DURING THE DAY...LEAVING MOST THUNDERSTORM ACTIVITY DUE TO CONVERGING SEA BREEZES. WITH SLOW MOVEMENTS AND CELLS THAT COULD LAST SOME TIME...URBAN AND SMALL STREAM FLOODING IS POSSIBLE OVER ALMOST ALL OF INTERIOR PUERTO RICO. ONCE ACTIVITY BEGINS HOWEVER...IT SHOULD BE SELF LIMITING...DUE TO STRONG BLOW-OFF OF CLOUD TOPS AT UPPER LEVELS. THEREFORE THE POSSIBILITY OF FLOODING WILL BE LIMITED TO THE DAYTIME HOURS. .DAYS TWO THROUGH SEVEN... CONTINUING MOIST AND UNSTABLE CONDITIONS DURING THE AFTERNOONS NORTH OF THE CORDILLERA CENTRAL WILL MAKE LIMITED URBAN AND SMALL STREAM FLOODING POSSIBLE FROM THUNDERSTORMS THERE FRIDAY AND SATURDAY. .SPOTTER CALL TO ACTION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED. VIZ001-002-AMZ710>730-231030- 630 AM AST THU SEP 22 2005 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE U.S. VIRGIN ISLANDS. .DAY ONE...TODAY AND TONIGHT A MODESTLY MOIST AIRMASS AND LIGHT WINDS WILL ALLOW ISOLATED THUNDERSTORMS TO GROW OVER THE U.S. VIRGIN ISLANDS DURING THE DAY TODAY...NO OTHER HAZARDOUS WEATHER IS EXPECTED. .DAYS TWO THROUGH SEVEN... ISOLATED THUNDERSTORMS EACH DAY ARE POSSIBLE...OTHERWISE NO OTHER HAZARDOUS WEATHER IS EXPECTED. .SPOTTER CALL TO ACTION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED. 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. SNELL
The national radar mosaic for the moment the first event began.
1 flash flood. Local standard time, as filed.
River Rio Blanco was reported out of its banks at La Pitina Sector, and flooding parts of road 31.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Puerto Rico in 2005Every state in 2005This day in weather historyWarnings in Puerto Rico, September 2005
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: 5475811.