A Tropical Wave combined with dayitme heating and local effects to produced scattered to numerous showers with thunderstorms over the North Central section of Puerto Rico. The most affected municipalities were Arecibo, Manati and Hatillo.
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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 Tropical Wave combined with dayitme heating and local effects to produced scattered to numerous showers with thunderstorms over the North Central section of Puerto Rico. The most affected municipalities were Arecibo, Manati and Hatillo.
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 22, 3:58 AM AST, 5 hours 2 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE SAN JUAN PR 358 AM AST MON JUL 22 2013 .SYNOPSIS...SUBEQUATORIAL RIDGE WILL HOLD THROUGH TUE THEN TUTT EXPECTED TO BECOME DOMINANT WX FEATURE MID WEEK AND HOLD THRU THE END OF THE WEEK. TROPICAL WAVE TO MOVE ACROSS THE AREA TODAY. && .DISCUSSION...TROPICAL WAVE LOOKS TO HAVE MOVED INTO THE ERN CARIB SEA EARLY THIS MORNING AND MOVE ACROSS PR THIS AFTERNOON AND INTO THE DOMINICAN REPUBLIC TONIGHT. THIS WAVE TO BRING ANOTHER ROUND OF ACTIVE WX TODAY. MOISTURE FIELD WITH THIS WAVE IS NOT ANYWHERE CLOSE TO LAST WAVE ON THU AND IT LOOKS LIKE BEST MOISTURE WILL PASS FAIRLY QUICKLY THRU THE AREA TODAY. SO A REPEAT OF LAST THU APPEARS UNLIKELY. ANY FLOODING IS LIKELY TO BE LOCALIZED AND NOT WARRANT A FLASH FLOOD WATCH. SAHARAN AIR LAYER WILL THEN DOMINATE MOST OF THE WEEK. HOT TUE AND WED WITH SOME DUST HAZE. SLIGHTLY BETTER OPPORTUNITIES FOR SCT DIURNAL ACTIVITY THU-SAT UNDER INFLUENCE OF RETROGRESSING TUTT. NEXT WAVE IS FCST TO REACH THE AREA NEXT MON JUL 29 ACCORDING TO YERSTERDAY'S MEDIUM RANGE FCST FROM NHC/WPC ALTHOUGH 00Z GFS IS FASTER ABOUT A DAY. && .AVIATION...A TROPICAL WAVE WILL MOVE OVER TNCM AND TKPK STARTING AT AROUND 22/06Z...PRODUCING GUSTY WINDS AS WELL AS PERIODS OF MVFR/IFR CONDS. AS THE WAVE MOVES WEST AT 15 KT...CLOUDS AND SHRA/TSRA WILL SPREAD OVER USVI AND PR TAF SITES BTWN 22/12Z-19Z. LLVL WINDS WILL BE FROM THE NE TO E AT 15-20 KT WITH HIGHER GUSTS UP TO AROUND 30 KT NEAR THE TSRA. WX CONDS WILL IMPROVE ACROSS THE TERMINALS AFTER 23/00Z. && .MARINE...SCT-NMRS TSRA THIS AFTEROON ACROSS ATLC AND CARIB WATERS WITH PASSAGE OF TROPICAL WAVE. IMPROVING WX TOWARD DAYBREAK TUE. SEAS 4-6 FT AND WINDS 15-20 KT. && .PRELIMINARY POINT TEMPS/POPS... SJU 88 79 90 79 / 70 30 0 20 STT 88 80 89 81 / 70 20 0 20 && .SJU WATCHES/WARNINGS/ADVISORIES... PR...NONE. VI...NONE. COASTAL WATERS...NONE. && 05/64
The national radar mosaic for the moment the first event began.
6 flood, 1 heavy rain. Local standard time, as filed.
Rainfall total of 2.52 inches were reported between 9am and 3pm in Barrio Palmarejo.
Downtown Manati was reported flooded.
Streets at Reparto Marquez sector were reported flooded.
Small stream near The Outlets Mall at Barceloneta was reported out of its banks by the public.
Vieques Street in Hato Rey was reported flooded.
Flooding in low lying were reported along road PR-114.
Nenadich Avenue was reported flooded.
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: 471272, 469550, 469554, 470457, 471271, 470260, 470261.