An Upper level trough combined with daytime heating and orographics effects to produce scattered to numerous showers and thunderstorms mainly over the north central section 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.
An Upper level trough combined with daytime heating and orographics effects to produce scattered to numerous showers and thunderstorms mainly over the north central section 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 Jul 13, 2:49 PM AST, 3 hours 26 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE SAN JUAN PR 249 PM AST SAT JUL 13 2013 .SYNOPSIS...TUTT NE OF THE AREA WILL RETROGRESS TO THE BAHAMAS OVR THE NEXT COUPLE OF DAYS THEN FILL. MID-UPPER LEVEL RIDGE WILL THEN BUILD ACROSS THE ATLC NEXT WEEK. A TROPICAL WAVE WILL MOVE ACROSS THE AREA WED NIGHT AND THU. && .DISCUSSION...TUTT INDUCED TROF WILL MOVE WWD ACROSS THE LOCAL AREA AREA TONIGHT AND INTO HISPANIOLA SUN. MOISTURE AND INSTABILITY WILL CONTINUE TO INCREASE OVR THE NEXT 24 HRS YIELDING NMRS SHRA/TSRA. EXPECT CONVECTION TOMORROW TO BE DEEPER WITH THE RISK OF HEAVY RAINFALL. GRADUAL DRYING IS EXPECTED MON. LARGE SCALE SUBSIDENCE WILL BUILD TUE-WED UNDER STRONG RIDGE ALOFT GREATLY INHIBITING CONVECTION. NEXT TROPICAL WAVE WILL REACH THE AREA WED NIGHT BRINGING BETTER OPPORTUNITIES FOR SHOWERS AND THUNDERSTORMS. WINDS WILL ALSO BE ON THE INCREASE NEXT WEEK UNDER STRENGTHENING HIGH PRES. TEMPERATURES ALSO LOOK TO BE ON THE RISE TUE-THU. SAHARAN AIR LAYER LOOKS TO ESTABLISH FOR NEXT WEEKEND. && .AVIATION...SHRA/TSRA ACTIVITY ACROSS SOUTH AND WESTERN PR EXPECTED TO CONTINUE UNTIL 13/22Z...AFFECTING AREAS AROUND TJPS AND TJMZ...POSSIBLY CAUSING MVFR CONDITIONS. ACROSS THE REST OF THE TERMINALS...VFR CONDITIONS EXPECTED WITH PASSING SHRA IN THE EVENING. SFC WINDS WILL REMAIN FROM THE ENE AT AROUND 10 KTS OR LESS THIS EVENING...VEERING BECOMING ESE AFT 14/10Z. && .MARINE...SEAS 1-3 FT BUILDING TO 4-5 FT NEXT WEEK UNDER STRENGTHENING TRADE WINDS. && .PRELIMINARY POINT TEMPS/POPS... SJU 78 86 78 88 / 40 30 30 30 STT 78 88 78 89 / 50 40 30 30 && .SJU WATCHES/WARNINGS/ADVISORIES... PR...NONE. VI...NONE. COASTAL WATERS...NONE. && 25/64
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SAN JUAN PR 555 AM AST SAT JUL 13 2013 AMZ710>745-PRZ001>013-141000- 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- 555 AM AST SAT JUL 13 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...SUNDAY THROUGH FRIDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED. AMZ715-725-VIZ001-002-141000- ST. THOMAS ST. JOHN ADJACENT ISLANDS-ST CROIX- NEARSHORE ATLANTIC AND ADJACENT CARIBBEAN COASTAL WATERS- 555 AM AST SAT JUL 13 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...SUNDAY THROUGH FRIDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED.
The national radar mosaic for the moment the first event began.
2 flash flood, 1 flood. Local standard time, as filed.
Road 620 and 647 at Vega Alta closed due to Rio Cibuco out of its banks.
Emergency Manager indicated that the Road 2, 620, 647, 676, 675, and 690 between Vega Baja and Vega Alta are closed due to Rio Cibuco out of its banks.
Car swept by the waters of Rio Cibuco in Vega Alta. The man in the car was rescued. The information was obtained from social media.
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, July 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: 468917, 468925, 468915.