Alert archive / Puerto Rico / Flash Flood Watches in 2009

Flash Flood Watch 5, NWS JSJ

May 13, 2009

NWS JSJ issued this flash flood watch at May 13, 2009, 8:46 AM CDT. It took effect at May 13, 2009, 9:00 AM CDT. It was in force for 10 hr.

The area

The counties it named.

The facts

Issued: May 13, 2009, 8:46 AM CDT (13:46 UTC)
In effect from: May 13, 2009, 9:00 AM CDT
Expired: May 13, 2009, 7:00 PM CDT
In force: 10 hr
Issued by: NWS JSJ
Flood severity: None

What forecasters said that day

The local office's own words before this flash flood watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS JSJ wrote its last area forecast discussion before this flash flood watch went out at May 13, 5:42 AM CDT, 3 hours 4 minutes earlier.

Area forecast discussion, May 13, 5:42 AM CDT, 3 hours 4 minutes before

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Hazardous weather outlook, May 13, 5:53 AM CDT, 2 hours 53 minutes before

HAZARDOUS WEATHER OUTLOOK FOR PUERTO RICO AND THE U.S. VIRGIN
ISLANDS
NATIONAL WEATHER SERVICE SAN JUAN PR
653 AM AST WED MAY 13 2009

AMZ710>745-PRZ001>013-141100-
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-
653 AM AST WED MAY 13 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PUERTO RICO AND THE
ADJACENT COASTAL WATERS.

.DAY ONE...TODAY AND TONIGHT
WET WEATHER CONTINUES WITH FREQUENT SHOWERS AND OCCASIONAL
THUNDERSTORMS ACROSS EASTERN PUERTO RICO IN THE MORNING AND
CONTINUED MODERATE TO HEAVY RAIN IN WESTERN PUERTO RICO IN THE
AFTERNOONS. SOILS ARE SATURATED AND MUDSLIDES ARE BECOMING COMMON.
VERY HEAVY AMOUNTS ARE NOT EXPECTED...BUT SUFFICIENT RAIN WILL
FALL TO CREATE NUISANCE FLOODING IN MUCH OF PUERTO RICOS URBAN
AREAS AND SMALL STREAMS. SOME RIVERS MAY EXPERIENCE MINOR
FLOODING.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY
THE WET WEATHER PATTERN WILL CONTINUE THROUGH AT LEAST THE NEXT 6
DAYS WITH FRIDAY AND TUESDAY APPEARING TO BE THE WETTEST.
MUDSLIDES WILL CONTINUE TO PRESENT PROBLEMS THROUGHOUT THE ISLANDS
STEEP TERRAIN...AND RIVER FLOODING MAY BE POSSIBLE ON FRIDAY AND
MORE LIKELY ON TUESDAY WITH NO DAY THIS WEEK EXCEPTED FROM
POSSIBLE FLOODING.

.SPOTTER INFORMATION STATEMENT...SPOTTER VIGILANCE IN AREAS OF
HEAVY RAIN WOULD BE APPRECIATED.

AMZ715-725-VIZ001-002-141100-
ST. THOMAS ST. JOHN ADJACENT ISLANDS-ST CROIX-
NEARSHORE ATLANTIC AND ADJACENT CARIBBEAN COASTAL WATERS-
653 AM AST WED MAY 13 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE U.S. VIRGIN ISLANDS AND
THE ADJACENT COASTAL WATERS.

.DAY ONE...TODAY AND TONIGHT
CONDITIONS ARE EXPECTED TO IMPROVE TODAY IN THE U.S. VIRGIN
ISLANDS AND NO HAZARDOUS WEATHER IS EXPECTED.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY
THE WET WEATHER PATTERN WILL CONTINUE THROUGH AT LEAST THE NEXT 6
DAYS WITH FRIDAY AND TUESDAY APPEARING TO BE THE WETTEST. SOME
NUISANCE FLOODING MAY BE POSSIBLE ON FRIDAY WITH MORE EXTENSIVE
URBAN AND GUT FLOODING POSSIBLE ON TUESDAY.

.SPOTTER INFORMATION STATEMENT...SPOTTER VIGILANCE IN AREAS OF
HEAVY RAIN WOULD BE APPRECIATED.

In the hours before

Local storm report, May 13, 7:14 AM CDT, 1 hour 32 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
814 AM AST WED MAY 13 2009

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0500 PM     FLOOD            FAJARDO                 18.33N 65.66W
05/12/2009                   FAJARDO            PR   EMERGENCY MNGR

            RIVER FAJARDO OVERFLOWED ITS BANKS ALONG HIGHWAYS PR-53
            AND PR-3, PARTIALLY BLOCKING TRAFFIC.

&&

RMOJICA

The office that day

Everything else NWS JSJ issued on the same UTC day.

Issued	Product	Office	Lasted
May 13, 4:07 AM CDT	Small Craft Advisory	JSJ	18 hr
May 13, 7:24 AM CDT	Areal Flood Advisory	JSJ	3 hr
May 13, 10:00 AM CDT	Flash Flood Warning	JSJ	3 hr
May 13, 10:51 AM CDT	Areal Flood Advisory	JSJ	3 hr
May 13, 12:06 PM CDT	Areal Flood Advisory	JSJ	3 hr
May 13, 1:10 PM CDT	Marine Weather Statement	JSJ	5 hr
May 13, 1:29 PM CDT	Areal Flood Warning	JSJ	116 min
May 13, 1:44 PM CDT	Areal Flood Advisory	JSJ	3 hr
May 13, 2:12 PM CDT	Areal Flood Warning	JSJ	7 hr
May 13, 6:07 PM CDT	Areal Flood Advisory	JSJ	108 min
May 13, 6:43 PM CDT	Areal Flood Advisory	JSJ	2 hr

Nearby

Flash Flood Watches in Puerto Rico, 2009 Every flash flood watch in 2009

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.