Puerto Rico, 2001

Flood in Puerto Rico, March 22, 2001

March 22, 2001 · NWS SJU · 1 event in 1 county or zone

Heavy rains during the night and early morning hours caused Blanco River to overflow its banks over road 31 near La Fe sector.

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 happened

The episode as NWS SJU wrote it up.

Heavy rains during the night and early morning hours caused Blanco River to overflow its banks over road 31 near La Fe sector.

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 Mar 22, 3:25 AM AST, 2 hours 35 minutes earlier.

Area forecast discussion, Mar 22, 3:25 AM AST, 2 hours 35 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN JUAN PR
325 AM AST THU MAR 22 2001

BOTH SATELLITE IMAGERY AND MODEL GUIDANCE SUGGEST THAT THE FORECAST
AREA WILL CONTINUE TO EXPERIENCE CONSIDERABLE CLOUDINESS AND
PRECIPITATION AT LEAST OVER THE NEXT 48 HOURS. LOW LEVEL SOUTHEAST
WIND FLOW WILL CONTINUE TO ADVECT LOW LEVEL MOISTURE INTO THE AREA.
THE FORECAST AREA IS UNDER THE INFLUENCE OF A MID LEVEL TROUGH
WHICH IS THE OUTER PERIPHERY OF THE LARGE LOW AFFECTING THE
SOUTHEAST U.S. THE 500 MB GEOPOT. HEIGHTS SHOULD CONTINUE TO
DROP...WITH MODEST INCREASE IN VORTICITY AND LARGE SCALE LIFT...OVER
THE NEXT 48 HOURS. IN ADDITION...UPPER LEVEL WINDS ARE FORECAST TO
INCREASE...BECOMING NEAR 60 KNOTS AT 300 MB ON FRIDAY. THUS THERE IS
A CHANCE OF ISOLATED THUNDERSTORMS...BUT BECOMING MORE LIKELY ON
FRIDAY.

EQUIPMENT: NO EQUIPMENT PROBLEMS AT THIS TIME.

.PRELIMINARY NUMBERS:

SJU WW 080/072 080/072 080 41757
STT BB 083/073 083/072 083 41555

41

.SJU...
.PR...NONE.
.VI...NONE.

WRITTEN TEXT FORECASTS (IN ENGLISH OR SPANISH)...SATELLITE IMAGERY
...DOPPLER RADAR DATA...AND A VIRTUAL LIBRARY OF WEATHER INFORMATION
CAN BE FOUND AT THE NWS SAN JUAN WEB SITES AT:

HTTP://WWW.SRH.NOAA.GOV/SJU (ALL LOWER CASE).

    OR

HTTP://WWW.UPR.CLU.EDU/NWS (ALL LOWER CASE).

Event by event

1 flood. Local standard time, as filed.

Flood, Northeast

When
March 22, 6:00 AM AST to 8:00 AM AST
Where
Northeast County, Naguabo
Reported by
EMERGENCY MANAGER

What these are

Flood
Flooding that develops more slowly than a flash flood: rivers leaving their banks, or water standing over land for an extended time.

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

The same day elsewhere

More

Every storm in Puerto Rico in 2001Every state in 2001This day in weather historyWarnings in Puerto Rico, March 2001

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: 5230195.