combined with daytime heating and local orographic effects to produce heavy rain across the southwestern sections of Puerto Rico. Radar estimated 2 to 4 inches mainly over the municipalities of Yauco and Sabana Grande.
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.
A broad and weak trough extending from the northeast caribbean northward into the Atlantic...combined with daytime heating and local orographic effects to produce heavy rain across the southwestern sections of Puerto Rico. Radar estimated 2 to 4 inches mainly over the municipalities of Yauco and Sabana Grande.
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 11, 3:51 PM AST, 30 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE SAN JUAN PR 351 PM AST WED JUN 11 2008 .SYNOPSIS...WEAK HIGH PRESSURE REMAINS CENTERED OFF THE SOUTHEAST COAST OF THE U.S. WHILE ANOTHER HIGH WAS CENTERED ACROSS THE EASTERN ATLANTIC...WITH A BROAD AND WEAK TROUGH EXTENDING FROM THE NORTHEAST CARIBBEAN NORTHWARD INTO THE ATLANTIC. THIS PATTERN WILL PERSIST THROUGH THURSDAY MORNING. A TROPICAL WAVE NEARING 58 WEST THIS AFTERNOON IS EXPECTED TO MOVED WEST NORTHWEST INTO THE LOCAL AREA LATE THURSDAY AFTERNOON...AND AFFECT THE REGIONAL WATERS THROUGH SATURDAY...ACCOMPANIED BY AN INCREASE IN WINDS... SEAS AND SQUALLS. && .DISCUSSION...SCATTERED TO NUMEROUS SHOWERS DEVELOPED ALONG THE CORDILLERA CENTRAL EARLIER THIS AFTERNOON BUT IN THE LAST FEW HOURS THESE SHOWERS AND THUNDERSTORMS HAVE SLOWLY DRIFTED OVER THE SOUTHWEST SECTIONS OF PUERTO RICO. RADAR ESTIMATED 2 TO 4 INCHES MAINLY OVER THE MUNICIPALITIES OF YAUCO AND SABANA GRANDE. SOME OF THESE SHOWERS HAVE ALREADY STARTED TO DISSIPATE AND THE REST OF THEM WILL AT AROUND SUNSET. EXPECT SIMILAR CONDITIONS FOR THURSDAY AFTERNOONS AS AVAILABLE MOISTURE AND DIURNAL HEATING WILL INTERACT TO PRODUCE ISOLATED TO SCATTERED SHOWERS AND THUNDERSTORMS OVER THE INTERIOR AND WESTERN SECTIONS OF PUERTO RICO. A TROPICAL WAVE AT AROUND 58W THIS AFTERNOON WILL CONTINUE TO MOVE WEST INTO THE CARIBBEAN LATER TONIGHT. THIS WEATHER FEATURE WILL INCREASE SIGNIFICANTLY THE MOISTURE ACROSS LOCAL REGION STARTING ON THURSDAY NIGHT AND WILL LINGER OVER THE AREA THROUGH SUNDAY. LATEST MODELS RUNS ARE PUSHING BACK THE ARRIVAL OF THE PEAK OF THE MOISTURE TO LATE SATURDAY. && .AVIATION...BRIEF PERIODS OF MVFR CONDITIONS ARE EXPECTED ACROSS TJPS...TJBQ AND TJMZ UNTIL AT LEAST 23Z AS DIURNALLY DRIVEN CONVECTION OVER THE SOUTHWESTERN PR LEAD TO MOUNTAIN OBSCURATIONS IN A PASSING SHRA BETWEEN 19-23Z...WITH VFR CONDITIONS PREVAILING ACROSS THE REMAINDER OF THE LOCAL TAF SITES. FOR LATE THIS EVENING AND OVERNIGHT...MOSTLY VFR CONDITIONS ARE EXPECTED ACROSS ALL OF THE LOCAL TAF SITES. IN GENERAL...NO SIGNIFICANT FLYING HAZARDS ARE EXPECTED ACROSS THE LOCAL TAF SITES DURING THE NEXT 24 HOURS. LATEST TJSJ 12Z SOUNDING INDICATED A LIGHT EAST NORTHEAST WIND FLOW FROM THE SURFACE TO AROUND 15K FEET AND STRONGER...UP TO 50 KNOTS... NORTHWESTERLY WIND FLOW ABOVE 15K FEET. && .MARINE...SIMILAR TO TODAY MARINE CONDITIONS WILL CONTINUE THROUGH THURSDAY. ON LATE THURSDAY WINDS AND SEAS WILL START TO INCREASE AS THE TROPICAL WAVE MOVE CLOSER TO OUR LOCAL WATERS. WINDS WILL SHIFT SOUTHEAST BEHIND THE TROPICAL WAVE LATE FRIDAY INTO SATURDAY MAKING FOR HIGHEST SEAS ACROSS THE LOCAL CARIB WATERS AND IN THE PASSAGES OVER THE WEEKEND. && .PRELIMINARY POINT TEMPS/POPS... SJU 75 85 75 85 / 20 20 20 40 STT 76 85 76 85 / 20 40 30 50 && .SJU WATCHES/WARNINGS/ADVISORIES... PR...NONE. VI...NONE. && 72/10/
HAZARDOUS WEATHER OUTLOOK FOR PUERTO RICO AND THE U.S. VIRGIN ISLANDS NATIONAL WEATHER SERVICE SAN JUAN PR 630 AM AST WED JUN 11 2008 AMZ710>750-PRZ001>013-121030- SAN JUAN AND VICINITY-NORTHEAST-SOUTHEAST-EASTERN INTERIOR- NORTH CENTRAL-CENTRAL INTERIOR-PONCE AND VICINITY-NORTHWEST- WESTERN INTERIOR-MAYAGUEZ AND VICINITY-SOUTHWEST-CULEBRA-VIEQUES- THE NEARSHORE AND OFF SHORE ATLANTIC AND CARIBBEAN COASTAL WATERS- 630 AM AST WED JUN 11 2008 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PUERTO RICO AND THE ADJACENT COASTAL WATERS. .DAY ONE...TODAY AND TONIGHT LOW LEVEL MOISTURE COMBINED WITH DAYTIME HEATING WILL RESULT IN DIURNALLY DRIVEN SHOWERS AND THUNDERSTORMS OVER THE INTERIOR AND SOUTHWEST SECTIONS OF PUERTO RICO THIS AFTERNOON. THE MOVEMENT OF THE SHOWERS AND THUNDERSTORMS THAT DEVELOP WILL BE VERY SLOW...INCREASING THE CHANCES FOR PROLONGED PERIODS OF HEAVY RAINFALL AND LOCALIZED FLOODING. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY A TROPICAL WAVE APPROACHING THE SOUTHERN WINDWARD ISLANDS WILL CONTINUE TO MOVE WEST NORTHWEST DURING THE NEXT FEW DAYS. THIS WAVE IS EXPECTED TO REACH THE LOCAL ISLANDS LATE THURSDAY THROUGH SATURDAY...PRODUCING A GENERAL INCREASE IN SHOWERS AND THUNDERSTORMS ACROSS THE REGION. .SPOTTER INFORMATION STATEMENT... AMZ720-730-VIZ001-002-121030- ST. THOMAS ST. JOHN ADJACENT ISLANDS-ST CROIX- NEARSHORE ATLANTIC AND ADJACENT CARIBBEAN COASTAL WATERS- 630 AM AST WED JUN 11 2008 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE U.S. VIRGIN ISLANDS AND THE ADJACENT COASTAL WATERS. .DAY ONE...TODAY AND TONIGHT NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY A TROPICAL WAVE APPROACHING THE SOUTHERN WINDWARD ISLANDS WILL CONTINUE TO MOVE WEST NORTHWEST DURING THE NEXT FEW DAYS. THIS WAVE IS EXPECTED TO REACH THE LOCAL ISLANDS LATE THURSDAY THROUGH SATURDAY...PRODUCING A GENERAL INCREASE IN SHOWERS AND THUNDERSTORMS ACROSS THE REGION. .SPOTTER INFORMATION STATEMENT...
The national radar mosaic for the moment the first event began.
1 heavy rain, 1 flash flood. Local standard time, as filed.
Road 368 was reported flooded near Alta Sabanera neighborhood in Barrio Machuchal in Yauco.
River Rio Loco in Yauco was reported out of its banks and flooding areas along the river between Yauco and Sabana Grande.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Puerto Rico in 2008Every state in 2008This day in weather historyWarnings in Puerto Rico, June 2008
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: 121530, 121482.