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 Aug 12, 10:45 AM AST, 4 hours 59 minutes earlier.
AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE SAN JUAN PR
1045 AM AST FRI AUG 12 2005
.UPDATE...EXPECT A MIXTURE OF SUNSHINE AND CLOUDINESS ACROSS THE
LOCAL ISLANDS THIS AFTERNOON. SCATTERED TO NUMEROUS SHOWERS AND
ISOLATED THUNDERSTORMS WILL DEVELOP...ESPECIALLY OVER THE CENTRAL
AND WESTERN INTERIOR AND NORTHWEST SECTIONS OF PUERTO RICO AND ALONG
AND JUST OFF OF THE WEST AND NORTHWEST COASTS OF THE U.S. VIRGIN
ISLANDS. INHERITED SHORT TERM GRIDS AND ZFP HAD A PRETTY GOOD HANDLE
ON EXPECTED CONDITIONS FOR THIS AFTERNOON AND DID NOT SEND A ZFP
UPDATE. FOR COASTAL WATERS...MADE A COUPLE OF MINOR ALTERATIONS TO
PREVIOUS CWF...OTHERWISE NO CHANGES. /BCS
REMAINDER BELOW UNCHANGED FROM MIDNIGHT SHIFT.
.DISCUSSION...AT THIS MOMENT THE RADAR ONLY SHOWED ISOLATED PASSING
SHOWER ACROSS THE CARIBBEAN AND ATLANTIC WATERS. SCATTERED SHOWERS
AND ISOLATED THUNDERSTORMS WERE AFFECTING THE USVI. THESE SHOWERS
ARE EXPECTED TO MOVE WEST AND AFFECT THE SPANISH VIRGIN ISLANDS AND
THE EAST COAST OF PUERTO RICO THROUGH THE MORNING HOURS.
MOISTURE ASSOCIATED TO A TROPICAL WAVE NOW LOCATED AT AROUND 61 WEST
WILL START TO MOVE INTO OUR LOCAL REGION LATER TODAY. THIS FEATURE
WILL INCREASE THE SHOWERS ACTIVITY THROUGH SATURDAY NIGHT. THIS
AFTERNOON WEATHER WILL DEPEND ON THE TIMING OF THE MOISTURE
ALTHOUGH ENOUGH MOISTURE IS AVAILABLE FOR NUMEROUS SHOWERS AND
ISOLATED THUNDERSTORMS TO DEVELOP MAINLY OVER THE WESTERN INTERIOR
SECTIONS. SATURDAY IT WILL BE THE MOST ACTIVE WEATHER DAY THROUGH
THE FORECAST PERIOD AS MOISTURE AND INSTABILITY MOVE THROUGH OUR
AREA ASSOCIATED TO THE TROPICAL WAVE THEREFORE A SIGNIFICANT
INCREASE ON POPS WAS DONE FOR SATURDAY. AFTER THE WAVE MOVES AWAY
FROM OUR LOCAL AREA(SUNDAY) WE WILL GO BACK TO OUR LOCAL CLIMATIC
REGIME THROUGH MID WEEK.
&&
.SYNOPSIS...WEAK SURFACE HIGH PRESSURE WILL PREVAIL ACROSS THE
WESTERN ATLANTIC THROUGH SATURDAY. A LOW LEVEL TROUGH WILL MOVE WEST
NORTHWEST ACROSS THE LOCAL AREA TODAY. A TROPICAL WAVE WILL THEN
MOVE ACROSS THE LOCAL AREA LATE TODAY AND SATURDAY...BRINGING A
SLIGHT INCREASE IN WINDS...SHOWERS AND THUNDERSTORMS TO THE LOCAL
WATERS.
&&
.MARINE...TRANQUIL CONDITIONS EXPECTED ACROSS THE LOCAL WATERS
THROUGH THE WEEKEND...EXCEPT NEAR THUNDERSTORMS. MODELS ARE SHOWING
AN INCREASE ON THE WINDS AND SEAS FOR SUNDAY THROUGH TUESDAY.
&&
.PRELIMINARY POINT TEMPS/POPS...
SJU WW 090/079 091/079 089 10555
UUUUU 079/089 079/089 079/089 079/089 522-2-2-22
STT WW 089/083 090/083 088 10555
UUUWU 083/088 083/088 083/088 083/088 423-2-5122
&&
.SJU WATCHES/WARNINGS/ADVISORIES...
.PR...NONE.
.VI...NONE.
&&
10HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SAN JUAN PR 630 AM AST FRI AUG 12 2005 PRZ001>013-AMZ710>750-131030- 630 AM AST FRI AUG 12 2005 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PUERTO RICO. .DAY ONE...TODAY AND TONIGHT A LOW LEVEL TROUGH WILL CONTINUE TO MOVE ACROSS THE LOCAL ISLANDS TODAY. A SLIGHT INCREASE IN MOISTURE WILL OCCUR WITH THE PASSAGE OF THIS FEATURE. THE AVAILABLE MOISTURE WILL COMBINE WITH LOCAL EFFECTS TO PRODUCE SOME CLOUDS...SHOWERS AND A FEW THUNDERSTORMS OVER PARTS OF THE LOCAL ISLANDS...ESPECIALLY IN THE WESTERN INTERIOR SECTIONS OF PUERTO RICO THIS AFTERNOON. ISOLATED AREAS OF HEAVY SHOWERS ARE POSSIBLE WITH ISOLATED AREAS WHERE URBAN AND SMALL STREAM TYPE NUISANCE FLOODING MAY OCCUR. .DAYS TWO THROUGH SEVEN... STRONG THUNDERSTORMS ARE POSSIBLE EACH DAY IN WESTERN PUERTO RICO WITH THE RISK OF LOCAL FLOODING IN URBAN AREAS AND SMALL STREAMS. A TROPICAL WAVE IS EXPECTED TO PASS THROUGH THE AREA ON SATURDAY WITH MOISTURE AND RAIN TO CONTINUE INTO SUNDAY. AS A RESULT...THE CHANCE OF URBAN AND SMALL STREAM FLOODING WILL BE INCREASED ESPECIALLY DURING THE AFTERNOONS. .SPOTTER CALL TO ACTION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED. VIZ001-002-AMZ720>730-131030- 630 AM AST FRI AUG 12 2005 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE U.S. VIRGIN ISLANDS. .DAY ONE...TODAY AND TONIGHT A LOW LEVEL TROUGH WILL CONTINUE TO MOVE ACROSS THE LOCAL ISLANDS TODAY. A SLIGHT INCREASE IN MOISTURE WILL OCCUR WITH THE PASSAGE OF THIS FEATURE. THE AVAILABLE MOISTURE WILL COMBINE WITH LOCAL EFFECTS TO PRODUCE SOME CLOUDS...SHOWERS AND A FEW THUNDERSTORMS OVER PARTS OF THE LOCAL ISLANDS...ESPECIALLY THIS AFTERNOON. ISOLATED AREAS OF HEAVY SHOWERS ARE POSSIBLE WITH ISOLATED AREAS WHERE URBAN AND GUT TYPE NUISANCE FLOODING MAY OCCUR. .DAYS TWO THROUGH SEVEN... AN INFLUX OF MOISTURE AND THE PASSAGE OF A TROPICAL WAVE WILL INCREASE THE COVERAGE OF SHOWERS AND THUNDERSTORM ACTIVITY ON SATURDAY AND SUNDAY. .SPOTTER CALL TO ACTION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED. 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.
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN JUAN PR 307 PM AST FRI AUG 12 2005 PRZ009-010-122030- MAYAGUEZ AND VICINITY-WESTERN INTERIOR- 307 PM AST FRI AUG 12 2005 AT 302 PM AST...SATELLITE IMAGES AND SPOTTER REPORTS INDICATED STRONG THUNDERSTORMS OVER SAN SEBASTIAN AND MOCA AND MOVING SLOWLY WEST NORTHWEST TOWARD SOUTHERN AGUADILLA...AGUADA AND RINCON. THESE THUNDERSTORMS WILL LIKELY CONTAIN FREQUENT CLOUD TO GROUND LIGHTNING...STRONG WIND GUSTS IN EXCESS OF 40 MPH...TORRENTIAL RAINFALL...PEA SIZED HAIL AND FLOODING OF LOW LYING AND POOR DRAINAGE AREAS...AS WELL AS SMALL STREAMS. IN ADDITION...WATERSPOUTS MAY DEVELOP FORM THESE STORMS AS THEY MOVE ACROSS THE ADJACENT COASTAL WATERS. SEELEY
COMUNICADO ESPECIAL SOBRE LAS CONDICIONES DEL TIEMPO SERVICIO NACIONAL DE METEOROLOGIA SAN JUAN PR 307 PM AST VIERNES 12 DE AGOSTO DE 2005 PRZ009-010-122030- MAYAGUEZ Y VECINDAD-OESTE INTERIOR- 307 PM AST VIERNES 12 DE AGOSTO DE 2005 A LAS 3:02 PM AST...LAS IMAGENES DEL SATELITE E INFORMES DE OBSERVADORES INDICAN QUE LAS FUERTES TRONADAS SOBRE SAN SEBASTIAN Y MOCA ESTABAN MOVIENDOSE LENTAMENTE HACIA EL OESTE NOROESTE HACIA EL SUR DE AGUADILLA...AGUADA Y RINCON. ESTAS TRONADAS PODRIAN ESTAR ACOMPANADAS POR FRECUENTES RELAMPAGOS DE NUBE A TIERRA...VIENTOS EN RAFAGAS EN EXCESO DE 40 MPH...LLUVIA TORRENCIAL...GRANIZO E INUNDACIONES DE AREAS BAJAS Y AREAS DE POBRE DRENAJE AL IGUAL QUE PEQUENAS QUEBRADAS. EN ADICION PODRIAN DESARROLLARSE TROMBAS MARINAS A MEDIDA QUE ESTAS TRONADAS SE MUEVAN A TRAVES DE LAS AGUAS COSTERAS ADYACENTES.
The national radar mosaic for the moment the first event began.
1 flash flood. Local standard time, as filed.
River Culebrinas was reported out of its banks along roads 109 and 125 in the Central La Plata section of San Sebastian.
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, August 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: 5470122.