5 heavy rain, 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 Aug 18, 4:58 AM AST, 6 hours 50 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE SAN JUAN PR 458 AM AST FRI AUG 18 2006 .DISCUSSION...THE DOPPLER RADAR IS SHOWING ISOLATED TO SCATTERED SHOWERS MOVING ACROSS THE LOCAL WATERS. A FEW OF THESE SHOWERS ARE AFFECTING THE EASTERN HALF COASTAL SECTION WITHOUT PRODUCING ANY SIGNIFICANT RAINFALL ACCUMULATION. TODAY...THE PARTLY CLOUDY SKIES WILL PREVAIL OVER OUR LOCAL FORECAST AREA BUT THIS SCENARIO IS EXPECTED TO CHANGE FOR THIS AFTERNOON. THE ATMOSPHERE WILL BECOME MORE UNSTABLE LATER TODAY AS THE TUTT LOW REFLECTION WILL CONTINUE TO ENHANCE THE AFTERNOON CONVECTION. DUE TO THE WIND ESE COMPONENT MOST OF THE WEATHER ACTIVITY WILL OCCUR AT FIRST OVER THE INTERIOR SECTIONS AND THEN OVER THE NORTHERN PORTIONS OF PUERTO RICO. THIS WEEKEND...THE MOISTURE WILL START TO DECREASE ACROSS THE LOCAL FORECAST AREA LATER TODAY BUT ENOUGH MOISTURE WILL LINGER OVER THE LOCAL AREA TO PRODUCE AFTERNOON CONVECTIVE SHOWERS ON SATURDAY AND SUNDAY. && .SYNOPSIS...SURFACE HIGH PRESSURE LOCATED OVER THE NORTHWEST ATLANTIC EARLY THIS MORNING WILL REMAIN NEARLY STATIONARY THROUGH TONIGHT AND WILL THEN GRADUALLY MERGE WITH A HIGH PRESSURE SYSTEM OVER THE CENTRAL ATLANTIC BY SUNDAY NIGHT AND MONDAY. && .MARINE...SEAS WILL REMAIN BETWEEN 1 T 0 4 FEET ACROSS THE LOCAL WATERS. && .PRELIMINARY POINT TEMPS/POPS... SJU 88 78 88 78 / 40 30 20 20 STT 86 78 87 78 / 30 30 20 40 && .SJU WATCHES/WARNINGS/ADVISORIES... PR...NONE. VI...NONE. && 10
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SAN JUAN PR 625 AM AST FRI AUG 18 2006 PRZ001>013-AMZ710>750-191000- 625 AM AST FRI AUG 18 2006 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PUERTO RICO. .TODAY AND TONIGHT... DAYTIME HEATING AND LOCAL TERRAIN EFFECT WILL COMBINE WITH THE AVAILABLE MOISTURE TO PRODUCE AFTERNOON SHOWERS AND ISOLATED THUNDERSTORMS...MAINLY ACROSS THE WESTERN...INTERIOR AND NORTHERN SECTIONS OF PUERTO RICO. SOME OF THE STORMS WILL PRODUCE LOCALLY HEAVY RAINFALL WHICH MAY CAUSE URBAN AND SMALL STREAM FLOODING ESPECIALLY IN LOW LYING AND POOR DRAINAGE AREAS. .DAYS TWO THROUGH SEVEN... AFTERNOON SHOWERS AND THUNDERSTORMS WILL FORM...MOSTLY ACROSS THE INTERIOR AND MOVE WEST MAINLY OVER THE SURROUNDING MUNICIPALITIES OF WESTERN PUERTO RICO. SOME OF THE SHOWERS MAY PRODUCE LOCALLY HEAVY RAINFALL WHICH WILL CAUSE MINOR FLOODING OF STREETS AND SMALL STREAMS INTO THE WEEKEND. .SPOTTER CALL TO ACTION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED. VIZ001-002-AMZ710>730-191000- 625 AM AST FRI AUG 18 2006 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE U.S. VIRGIN ISLANDS. .TODAY AND TONIGHT... SCATTERED SHOWERS WILL CONTINUE OVER THE U.S. VIRGIN ISLAND AND ADJACENT COASTAL WATERS FROM TIME TO TIME DURING THE NIGHT AND EARLY MORNING HOURS BUT NO SIGNIFICANT RAINFALL AMOUNTS ARE EXPECTED. .DAYS TWO THROUGH SEVEN... ONLY THE TYPICAL SHOWERS DURING THE NIGHT AND EARLY MORNING HOURS ARE EXPECTED ACROSS THE U.S. VIRGIN ISLANDS. NO HAZARDOUS WEATHER IS EXPECTED. .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. FROM YOUR PDA/PHONE: HTTP://MOBILE.SRH.NOAA.GOV OR WWW.SRH.NOAA.GOV/WML JFR
5 heavy rain. Local standard time, as filed.
Urban flooding was reported along 65 Infantry Avenue, Road 181, from Carolina to Rio Piedras. A car and its passenger were stranded.
Urban flooding was reported along Barbosa street, at De Diego intersection, a car was reported stranded.
Flooding of homes was reported at El Vedado in Hato Rey. Urban flooding was reported in Villa Caparra.
Urban flooding reported along Kennedy Avenue.
Urban flooding reported in San Jose, flooded home at Urb. Rexach, and the Bechara sector was flooded.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Puerto Rico in 2006Every state in 2006This day in weather historyWarnings in Puerto Rico, August 2006
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 2026-10-01. Each event’s entry at NCEI: 5529216, 5529217, 5529218, 5529219, 5529220.