Alert archive / U.S. Virgin Islands / Flash Flood Warnings in 2010

Flash Flood Warning 70, NWS JSJ

July 20, 2010

NWS JSJ issued this flash flood warning at Jul 20, 2010, 12:14 PM CDT. It was in force for 12 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jul 20, 2010, 12:14 PM CDT (17:14 UTC)
Expired: Jul 20, 2010, 11:45 PM CDT
In force: 12 hr
Issued by: NWS JSJ
Area: Storm-based polygon
Flood severity: None

What forecasters said that day

The local office's own words before this flash flood warning 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 warning went out at Jul 20, 6:06 AM CDT, 6 hours 8 minutes earlier.

Area forecast discussion, Jul 20, 6:06 AM CDT, 6 hours 8 minutes before

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Hazardous weather outlook, Jul 20, 5:29 AM CDT, 6 hours 45 minutes before

HAZARDOUS WEATHER OUTLOOK FOR PUERTO RICO AND THE U.S. VIRGIN
ISLANDS
NATIONAL WEATHER SERVICE SAN JUAN PR
629 AM AST TUE JUL 20 2010

AMZ710>745-PRZ001>013-211030-
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-
629 AM AST TUE JUL 20 2010

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

.DAY ONE...TODAY AND TONIGHT

SHOWERS WILL BE NUMEROUS AND THUNDERSTORMS ISOLATED WHILE A
TROPICAL WAVE IS PASSING THROUGH. LOCALLY TORRENTIAL RAINS WILL
OCCUR WHICH WILL CAUSE AREAS OF URBAN FLOODING AND FLOODING OF
SMALL STREAMS...LOCAL FLOODING IS POSSIBLE ON MAIN STEM RIVERS.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

SHOWERS WILL BE SCATTERED AND HEAVY RAIN WILL OCCUR ONLY IN
ISOLATED LOCATIONS. LOCALLY GUSTY WINDS WILL STILL BE POSSIBLE IN
THIS UNSTABLE MIX.

.SPOTTER INFORMATION STATEMENT...SPOTTER REPORTS ARE ENCOURAGED.

AMZ715-725-VIZ001-002-211030-
ST. THOMAS ST. JOHN ADJACENT ISLANDS-ST CROIX-
NEARSHORE ATLANTIC AND ADJACENT CARIBBEAN COASTAL WATERS-
629 AM AST TUE JUL 20 2010

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

.DAY ONE...TODAY AND TONIGHT

SHOWERS AND ISOLATED THUNDERSTORMS WILL CONTINUE IN THIS VERY MOIST
AND UNSTABLE ATMOSPHERE. URBAN AND GUT FLOODING IS POSSIBLE.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

SHOWERS AND ISOLATED THUNDERSTORMS WILL GRADUALLY BECOME SCATTERED
BY THURSDAY. URBAN AND GUT FLOODING IS POSSIBLE ONLY IN ISOLATED
LOCATIONS.

.SPOTTER INFORMATION STATEMENT...RAINFALL REPORTS GREATER THAN ONE
INCH ARE ENCOURAGED.

The office that day

Everything else NWS JSJ issued on the same UTC day.

Issued	Product	Office	Lasted
Jul 19, 8:43 PM CDT	Special Marine Warning	JSJ	2 hr
Jul 20, 12:20 AM CDT	Special Marine Warning	JSJ	55 min
Jul 20, 2:10 AM CDT	Flash Flood Warning	JSJ	4 hr
Jul 20, 8:44 AM CDT	Areal Flood Advisory	JSJ	2 hr
Jul 20, 10:15 AM CDT	Special Marine Warning	JSJ	90 min
Jul 20, 10:38 AM CDT	Areal Flood Advisory	JSJ	3 hr
Jul 20, 10:38 AM CDT	Areal Flood Advisory	JSJ	112 min
Jul 20, 11:45 AM CDT	Special Marine Warning	JSJ	2 hr
Jul 20, 1:43 PM CDT	Special Marine Warning	JSJ	2 hr
Jul 20, 2:26 PM CDT	Areal Flood Advisory	JSJ	3 hr
Jul 20, 2:46 PM CDT	Areal Flood Advisory	JSJ	3 hr
Jul 20, 4:39 PM CDT	Areal Flood Advisory	JSJ	3 hr
Jul 20, 5:29 PM CDT	Areal Flood Advisory	JSJ	3 hr
Jul 20, 5:43 PM CDT	Areal Flood Advisory	JSJ	3 hr
Jul 20, 6:50 AM CDT	Areal Flood Advisory	JSJ	108 min
Jul 20, 11:05 AM CDT	Areal Flood Advisory	JSJ	3 hr
Jul 20, 1:04 PM CDT	Flash Flood Warning	JSJ	6 hr

Nearby

Flash Flood Warnings in U.S. Virgin Islands, 2010 Every flash flood warning in 2010

Sources

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