Alert archive / Puerto Rico / Small Craft Advisories in 2008

Small Craft Advisory 177, NWS JSJ

October 12, 2008

NWS JSJ issued this small craft advisory at Oct 12, 2008, 3:12 AM CDT. It took effect at Oct 12, 2008, 1:00 PM CDT. It was in force for 29 hr.

The area

The counties it named.

The facts

Issued: Oct 12, 2008, 3:12 AM CDT (08:12 UTC)
In effect from: Oct 12, 2008, 1:00 PM CDT
Expired: Oct 13, 2008, 5:33 PM CDT
In force: 29 hr
Issued by: NWS JSJ

What forecasters said that day

The local office's own words before this small craft advisory 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 small craft advisory went out at Oct 11, 10:08 PM CDT, 5 hours 4 minutes earlier.

Area forecast discussion, Oct 11, 10:08 PM CDT, 5 hours 4 minutes before

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Hazardous weather outlook, Oct 11, 5:07 AM CDT, 22 hours 5 minutes before

HAZARDOUS WEATHER OUTLOOK FOR PUERTO RICO AND THE U.S. VIRGIN
ISLANDS
NATIONAL WEATHER SERVICE SAN JUAN PR
607 AM AST SAT OCT 11 2008

AMZ710>745-PRZ001>013-121015-
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-
607 AM AST SAT OCT 11 2008

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

.DAY ONE...TODAY AND TONIGHT
MOISTURE ASSOCIATED WITH AN APPROACHING TROPICAL WAVE AND THE
PROXIMITY OF AN UPPER LEVEL TROUGH WILL INCREASE THE CHANCES FOR
SHOWERS AND THUNDERSTORM ACTIVITY ACROSS THE ISLANDS THROUGH
TONIGHT. THEREFORE URBAN AND SMALL STREAM FLOODING IS LIKELY...
ESPECIALLY ACROSS PARTS OF THE NORTH CENTRAL...WEST AND SOUTHWEST
INTERIOR SECTIONS OF PUERTO RICO DURING THE AFTERNOON. ALSO...THESE
STORMS WILL PRODUCE ISOLATED AREAS OF LOCALLY HEAVY RAINFALL...AND
DANGEROUS CLOUD TO GROUND LIGHTNING.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY
LINGERING MOISTURE TRAILING THE TROPICAL WAVE WILL CONTINUE ACROSS
THE AREA THROUGH MUCH OF THE UPCOMING WEEK UNDER A MOIST SOUTHERLY
LOW LEVEL WIND FLOW. THIS IN COMBINATION WITH AN AMPLIFYING MID TO
UPPER LEVEL TROUGH ACROSS THE REGION WILL MAINTAIN A VERY UNSTABLE
WEATHER PATTERN ACROSS THE LOCAL ISLANDS. THIS WILL RESULT IN
INCREASED POTENTIAL FOR SHOWERS AND ENHANCED THUNDERSTORM ACTIVITY
WITH HEAVY RAINFALL THROUGH MUCH OF THE WEEK...AS DEEP TROPICAL
MOISTURE WILL SPREAD ACROSS THE ISLANDS AND SURROUNDING WATERS.
THEREFORE...THERE IS HIGH POTENTIAL FOR FLASH FLOODING...ALONG WITH
MUDSLIDES/DEBRIS FLOW ACROSS THE ISLANDS THROUGH THE END OF THE WEEK
AS SOIL WILL REMAIN VERY SATURATED. ALSO...DUE TO THE POTENTIAL
WEATHER SCENARIO...ALL LOCAL RESIDENTS AND VISITORS SHOULD CLOSELY
MONITOR THE WEATHER SITUATION OVER THE NEXT SEVERAL DAYS.

IN ADDITION...PEOPLE ARE REMINDED THAT IT DOES NOT NEED TO BE
RAINING AT THEIR EXACT LOCATION...FOR DANGEROUS WATERS SURGES TO
OCCUR IN LOCAL STREAMS AND RIVERS. PLEASE REMAIN ALERT AND USE EXTRA
CAUTION IF VENTURING ALONG RIVERS AND STREAMS OVER THE NEXT SEVERAL
DAYS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE REQUIRED ON SUNDAY AND THROUGH THE END OF
THE UPCOMING WEEK.

AMZ715-725-VIZ001-002-121015-
ST. THOMAS ST. JOHN ADJACENT ISLANDS-ST CROIX-
NEARSHORE ATLANTIC AND ADJACENT CARIBBEAN COASTAL WATERS-
607 AM AST SAT OCT 11 2008

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

.DAY ONE...TODAY AND TONIGHT
MOISTURE ASSOCIATED WITH AN APPROACHING TROPICAL WAVE AND THE
PROXIMITY OF AN UPPER LEVEL TROUGH WILL INCREASE THE CHANCES FOR
SHOWERS AND THUNDERSTORM ACTIVITY ACROSS THE ISLANDS THROUGH
TONIGHT. THEREFORE URBAN AND GUT FLOODING IS LIKELY...ESPECIALLY
DURING THE AFTERNOON AND INTO THE EVENING HOURS. THESE STORMS WILL
PRODUCE ISOLATED AREAS OF LOCALLY HEAVY RAINFALL...AND DANGEROUS
CLOUD TO GROUND LIGHTNING.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

LINGERING MOISTURE TRAILING THE TROPICAL WAVE WILL CONTINUE ACROSS
THE AREA THROUGH MUCH OF THE UPCOMING WEEK UNDER A MOIST SOUTHERLY
LOW LEVEL WIND FLOW. THIS IN COMBINATION WITH AN AMPLIFYING MID TO
UPPER LEVEL TROUGH ACROSS THE REGION WILL MAINTAIN A VERY UNSTABLE
WEATHER PATTERN ACROSS THE LOCAL ISLANDS. THIS WILL RESULT IN
INCREASED POTENTIAL FOR SHOWERS AND ENHANCED THUNDERSTORM ACTIVITY
WITH HEAVY RAINFALL THROUGH MUCH OF THE WEEK...AS DEEP TROPICAL
MOISTURE WILL SPREAD ACROSS THE ISLANDS AND SURROUNDING WATERS.
THEREFORE THERE IS HIGH POTENTIAL FOR FLASH FLOODING...ALONG WITH
MUDSLIDES/DEBRIS FLOW ACROSS THE ISLANDS THROUGH THE END OF THE WEEK
AS SOIL WILL REMAIN VERY SATURATED. THEREFORE DUE TO THE POTENTIAL
WEATHER SCENARIO...ALL LOCAL RESIDENTS AND VISITORS SHOULD CLOSELY
MONITOR THE WEATHER SITUATION OVER THE NEXT SEVERAL DAYS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE REQUIRED ON SUNDAY THROUGH THE END OF THE
UPCOMING WEEK.

The office that day

Everything else NWS JSJ issued on the same UTC day.

Issued	Product	Office	Lasted
Oct 12, 5:32 PM CDT	Marine Weather Statement	JSJ	47 hr
Oct 12, 6:59 PM CDT	Flash Flood Warning	JSJ	91 min
Oct 12, 6:31 PM CDT	Areal Flood Advisory	JSJ	3 hr

Nearby

Small Craft Advisories in Puerto Rico, 2008 Every small craft advisory in 2008

Sources

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