Puerto Rico, 2004

Heavy Rain in Puerto Rico, May 27, 2004

May 27, 2004 · NWS SJU · 1 event in 1 county or zone

1 heavy rain, as filed by the National Weather Service.

The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
1

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.

What forecasters said that day

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 May 27, 2:55 PM AST, 2 hours 50 minutes earlier.

Area forecast discussion, May 27, 2:55 PM AST, 2 hours 50 minutes before
PUERTO RICO AND U.S. VIRGIN ISLANDS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN JUAN PR
255 PM AST THU MAY 27 2004

.SYNOPSIS...HIGH PRESSURE ALOFT IS CENTERED VERY NEAR PUERTO RICO
AND THE LOCAL AREA WILL REMAIN UNDER HIGH PRESSURE AT LEAST THROUGH
SATURDAY. WINDS ALOFT HAVE ALSO BEEN VERY LIGHT. HIGH PRESSURE AT
500 MB IS MAINLY OVER FLORIDA...BUT BY NEXT WEEKEND IT WILL REFORM
NEAR 33 NORTH 53 WEST. AN AREA OF LOW PRESSURE WILL ALSO MOVE EAST
OVER THE AREA BEGINNING THURSDAY NEXT. ALTHOUGH MOISTURE OVERSPREADS
THE AREA AT THIS TIME THERE APPEARS TO BE LITTLE EFFECT AT THE
SURFACE FROM THIS TRANSIT OF LOW PRESSURE. AT THE SURFACE HIGH
PRESSURE RIDGING REMAINS SLUMPED ACROSS THE AREA FROM THE MID
ATLANTIC TO THE BAHAMAS AND WILL KEEP FLOW EAST TO EAST SOUTHEAST
FOR THE NEXT WEEK AT LEAST.

&&

.DISCUSSION...MODELS ARE BRINGING DRYER AIR IN FROM THE EAST
NORTHEAST. THE DRIEST COLUMN OF AIR APPEARS TO BE OVER SAN JUAN AT
18Z FRIDAY...AND ONLY A LITTLE EARLIER OVER THE VIRGIN ISLANDS. THIS
IS GREATLY LIMITING NIGHTTIME CONVECTION. STRONG SURFACE HEATING AND
RELATIVELY LIGHT WINDS ARE ALLOWING GOOD CONVECTION OVER THE WESTERN
AND CENTRAL INTERIOR SECTIONS OF PUERTO RICO...BUT CONTINUED DRYING
WILL MAKE COVERAGE OF SHOWERS AND THUNDERSTORMS AND AMOUNTS OF
RAINFALL TOMORROW EVEN LESS THAN TODAY. THINGS ON SATURDAY WILL BE
SIMILAR TO TODAY. THE WEEK WILL SLOWLY BECOME MORE MOIST...THROUGH
THURSDAY WHEN SHOWERS WILL AGAIN BECOME NUMEROUS OVER AREAS OF
PUERTO RICO. THE VIRGIN ISLANDS WILL BE PARTICULARLY DRY TOMORROW
AND WILL SEE ALMOST NO SHOWER ACTIVITY FOR THE FIRST SEVERAL DAYS.
SHOWERS WILL SPREAD OVER THEM ON THURSDAY AS WELL...BUT COVERAGE
WILL BE LESS THAN OVER PUERTO RICO.

BECAUSE OF EAST TO EAST SOUTHEAST FLOW...WARMER TEMPERATURES WILL BE
FAVORED OVER THE NORTHERN COASTS OF PUERTO RICO...AND 90S ARE
POSSIBLE ONLY A LITTLE WAYS INLAND TOMORROW AND POSSIBLY SATURDAY.
SOUTHEAST SEA BREEZES WILL TEND TO MODERATE TEMPERATURES ON THE
SOUTHERN COASTS AND IN THE GENERAL VICINITIES OF THE AIRPORTS ON
SAINT THOMAS AND SAINT CROIX.

&&

.MARINE...SEAS HAVE BEEN RELATIVELY TRANQUIL AND WILL INCREASE ONLY
SLIGHTLY SUNDAY AND MONDAY DUE TO INCREASED WINDS. NORTH SWELL OF
ABOUT 3 FEET WILL MOVE INTO THE AREA ON THURSDAY NEXT YIELDING THE
HIGHEST SEAS OF THE COMING WEEK.

&&

.PRELIMINARY POINT TEMPS/POPS...
SJU  75  89  75  88 /  10   0  10  20
STT  76  86  76  85 /   0   0  10  20

&&

.SJU WATCHES/WARNINGS/ADVISORIES...
PR...NONE.
VI...NONE.

&&

SNELL

Event by event

1 heavy rain. Local standard time, as filed.

Heavy Rain, Ponce and Vicinity

When
May 27, 5:45 PM AST
Where
Ponce and Vicinity County, Guayanilla
Reported by
BROADCAST MEDIA

Univision camera person reported that small stream Quebrada Honda was out of its banks over the bridge.

What these are

Heavy Rain
Rainfall totals unusual for the place and season that did not produce a flood.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Puerto Rico in 2004Every state in 2004This day in weather historyWarnings in Puerto Rico, May 2004

Sources

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: 5398898.