Mid level trough combined with available moisture and local sea breeze convergence to produce scattered showers with isolated strong thunderstorms over the Western Interior and Northwest sections of Puerto Rico.
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.
Mid level trough combined with available moisture and local sea breeze convergence to produce scattered showers with isolated strong thunderstorms over the Western Interior and Northwest sections of Puerto Rico.
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 2, 2:42 PM AST, 35 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE SAN JUAN PR 242 PM AST SUN JUN 2 2013 .SYNOPSIS...AT UPPER LEVELS...RIPPLES IN THE NORTHWESTERLY FLOW WILL MOVE THROUGH THE LOCAL AREA NOW THROUGH TUESDAY MORNING. AFTERWARD THE FLOW WILL TURN NORTHEASTERLY AND STRENGTHEN AS A STRONG HIGH BUILDS JUST NORTH OF CUBA AND A WEAK TROUGH EXTENDS SOUTHWEST OVER THE WINDWARD ISLANDS...CREATING A PATTERN THAT WILL LAST THROUGH THE WEEKEND. AT MID LEVELS...HIGH PRESSURE REMAINS OVER OR NEAR THE LOCAL AREA THROUGH MID WEEK. A WEAK TROUGH WILL EXTEND SOUTHWEST OVER THE EASTERN CARIBBEAN PUSHING THE HIGH TO THE WEST NORTHWEST BY THE FOLLOWING WEEKEND. AT LOWER LEVELS...DRIER AIR HAS EDGED IN OVER THE AREA...BUT MOISTURE RETURNS AS A TROPICAL WAVE MOVES FROM ITS CURRENT NEGATIVELY TILTED POSITION AT 52 WEST TO THE EASTERN CARIBBEAN BY TUESDAY. PATCHY MOISTURE THEN CONTINUES THROUGH THE WEEKEND...IN SPITE OF THE INTRUSION OF A DUST LADEN LAYER OF SAHARAN AIR ABOVE ABOUT 6 KFT. && .DISCUSSION...THUNDERSTORMS GREW OVER PUERTO RICO EARLIER THAN YESTERDAY...TENTATIVELY AT FIRST...AND THEN WITH INCREASING VIGOR AS THE TIME GREW CLOSER TO MID-AFTERNOON. TOPS REACHED OR EXCEED 52 THOUSAND FEET IN PLACES AND AN URBAN AND SMALL STREAM FLOOD ADVISORY WAS ISSUED FOR MOST OF THE MUNICIPALITIES IN THE CULEBRINAS RIVER BASIN. A REPORT OF WIND DAMAGE WAS RECEIVED FROM EMERGENCY MANAGEMENT IN AGUADA AND MOCA. DRIER AIR WILL PASS THROUGH OVERNIGHT...THEN MOISTURE WILL INCREASE ON MONDAY AHEAD OF A TROPICAL WAVE. THIS TROPICAL WAVE...WHICH IS CURRENTLY AT 52 DEGREES WEST AT THIS LATITUDE...CONTINUES TO HAVE A FORECAST PASSAGE OF TUESDAY MORNING IN THE GFS. THE GFS SOLUTION...HOWEVER...APPEARS TO BE WEAK ON MOISTURE ESPECIALLY AT 850 MB...DURING AND RIGHT AFTER PASSAGE. THE ECMWF IS SHOWING MORE MOISTURE AND BOTH MODELS SUGGEST THAT ACTIVITY OVER THE AREA WILL PEAK AROUND 18Z WITH PRECIPITATION OVER MUCH OF THE FORECAST AREA THROUGH 05/00Z. NEVERTHELESS...IN DEFERENCE TO PREVIOUS FORECASTERS WILL LEAVE THE TUESDAY FORECAST INTACT AND RE-EVALUATE IT ON MONDAY. AFTER TUESDAY A LAYER OF SAHARAN AIR LADEN WITH DESERT DUST MOVES INTO THE LOCAL AREA. THE LOWEST LAYERS CONTINUE TO SEE PATCHES OF MOISTURE WHICH WILL SPAWN VIGOROUS THUNDERSTORMS...MAINLY IN THE AFTERNOON AND MAINLY IN THE WEST...BUT IN GENERAL CONVECTIVE ACTIVITY WILL DIMINISH THROUGH THE END OF THE WEEK. ANOTHER FRAGMENTED AND SHEARED TROPICAL WAVE APPEARS TO BE COMING THROUGH ON SUNDAY THOUGH SOME MOISTURE MAY COME AS A PRECURSOR SATURDAY. THERE WILL BE WEAK TROUGHING AT UPPER LEVELS FROM THE NORTHEAST AT THAT TIME. && .AVIATION... LOW LEVEL MOISTURE HAS SPAWNED VIGOROUS THUNDERSTORMS THAT CONTINUE IN THE NORTHWEST PORTION OF PUERTO RICO WITH HEAVY RAIN AND POSSIBLY DAMAGING WINDS IN DOWN BURSTS. EXPECT MVFR CONDS AND MOUNTAIN OBSCURATIONS UNTIL ARND 02/22Z. ELSEWHERE VFR CONDITIONS WILL PREVAIL THROUGH ABOUT 03/16Z. THE ASOS AT TIST APPEARS TO BE REPORTING CIGS THAT WE CANNOT CONFIRM. PIREPS WOULD BE APPRECIATED. && .MARINE...STEADY AND FRESH TRADE WINDS THROUGH THE AREA UNTIL AT LEAST TUESDAY WILL KEEP SEAS IN EXPOSED WATERS UP TO 4 TO 6 FEET. A TROPICAL WAVE WILL INCREASE SHOWERS AND THUNDERSTORMS MONDAY NIGHT AND TUESDAY. SAHARAN DUST WILL MAKE HORIZONS HAZY AFTERWARD. && .PRELIMINARY POINT TEMPS/POPS... SJU 77 88 77 86 / 20 20 70 70 STT 78 87 78 88 / 20 20 60 60 && .SJU WATCHES/WARNINGS/ADVISORIES... PR...NONE. VI...NONE. COASTAL WATERS...NONE. && 54/12
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SAN JUAN PR 539 AM AST SUN JUN 2 2013 AMZ710>745-PRZ001>013-031100- 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- 539 AM AST SUN JUN 2 2013 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PUERTO RICO AND THE ADJACENT ATLANTIC COASTAL WATERS. .DAY ONE...TODAY AND TONIGHT NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED. AMZ715-725-VIZ001-002-031100- ST. THOMAS ST. JOHN ADJACENT ISLANDS-ST CROIX- NEARSHORE ATLANTIC AND ADJACENT CARIBBEAN COASTAL WATERS- 539 AM AST SUN JUN 2 2013 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...MONDAY THROUGH SATURDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED.
The San Juan radar (TJUA), 117 km away, was scanning. The volume nearest the first event began at 19:17 UTC.
1 thunderstorm wind. Local standard time, as filed.
Tree fell on power line in Barrio Naranjo.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Puerto Rico in 2013Every state in 2013This day in weather historyWarnings in Puerto Rico, June 2013
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: 458767.