NATIONAL HURRICANE CENTER and
CENTRAL PACIFIC HURRICANE CENTER

NHC Graphical Outlook Archive (Text)

« Earliest Available ‹ Earlier Later › Latest Available »
Place your mouse cursor over areas of interest for more information
Graphical TWO atl

GIS data: .shp

ZCZC MIATWOAT ALL
TTAA00 KNHC DDHHMM

TROPICAL WEATHER OUTLOOK
NWS NATIONAL HURRICANE CENTER MIAMI FL
800 AM EDT FRI AUG 12 2011

FOR THE NORTH ATLANTIC...CARIBBEAN SEA AND THE GULF OF MEXICO...

1. AN AREA OF LOW PRESSURE CENTERED ABOUT 1175 MILES EAST OF THE
NORTHERN LEEWARD ISLANDS IS MOVING WEST-NORTHWESTWARD AT NEAR 20
MPH. SHOWERS AND THUNDERSTORMS HAVE BECOME A LITTLE BETTER
ORGANIZED...AND ENVIRONMENTAL CONDITIONS ARE GRADUALLY BECOMING
MORE CONDUCIVE FOR DEVELOPMENT.  THIS SYSTEM HAS A MEDIUM
CHANCE...40 PERCENT...OF BECOMING A TROPICAL CYCLONE DURING THE
NEXT 48 HOURS.

2. A BROAD LOW PRESSURE SYSTEM LOCATED ABOUT 450 MILES SOUTHWEST OF THE
SOUTHERN CAPE VERDE ISLANDS IS PRODUCING A LARGE AREA OF CLOUDINESS
AND SCATTERED SHOWERS.  ENVIRONMENTAL CONDITIONS ARE EXPECTED
TO GRADUALLY BECOME MORE CONDUCIVE FOR DEVELOPMENT OVER THE NEXT
SEVERAL DAYS AS IT MOVES WESTWARD AT 15 TO 20 MPH.  THIS SYSTEM HAS
A MEDIUM CHANCE...40 PERCENT...OF BECOMING A TROPICAL CYCLONE
DURING THE NEXT 48 HOURS.

3. SHOWER ACTIVITY ASSOCIATED WITH A WEAK LOW PRESSURE SYSTEM LOCATED
ABOUT 160 MILES WEST-NORTHWEST OF BERMUDA HAS CONTINUED TO BECOME A
LITTLE BETTER ORGANIZED. SOME ADDITIONAL DEVELOPMENT IS POSSIBLE
DURING THE NEXT DAY OR SO BEFORE THIS DISTURBANCE MERGES WITH A
FRONTAL SYSTEM.  THIS SYSTEM HAS A MEDIUM CHANCE...30 PERCENT...OF
BECOMING A TROPICAL CYCLONE DURING THE NEXT 48 HOURS AS IT MOVES
NORTHEASTWARD AT 15 TO 20 MPH.

4. AN AREA OF DISTURBED WEATHER HAS FORMED IN ASSOCIATION WITH A BROAD
LOW PRESSURE AREA ABOUT 700 MILES NORTHEAST OF THE NORTHERN LEEWARD
ISLANDS.  SLOW DEVELOPMENT IS POSSIBLE DURING THE NEXT COUPLE OF
DAYS AS THE LOW MOVES WEST-SOUTHWESTWARD AT ABOUT 10 MPH.  THIS
SYSTEM HAS A LOW CHANCE...20 PERCENT...OF BECOMING A TROPICAL
CYCLONE DURING THE NEXT 48 HOURS.

ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE
NEXT 48 HOURS.

$$
FORECASTER STEWART
NNNN

List of all Atlantic Outlooks
List of all East Pacific Outlooks

Standard version of this page

Alternate Formats
About Alternates - E-Mail Advisories - RSS Feeds

Cyclone Forecasts
Latest Advisory - Past Advisories - About Advisories

Marine Forecasts
Latest Products - About Marine Products

Tools & Data
Satellite Imagery - US Weather Radar - Aircraft Recon - Local Data Archive - Forecast Verification - Deadliest/Costliest/Most Intense

Learn About Hurricanes
Storm Names Wind Scale - Prepare - Climatology - NHC Glossary - NHC Acronyms - Frequently Asked Questions - AOML Hurricane-Research Division

About Us
About NHC - Mission/Vision - Other NCEP Centers - NHC Staff - Visitor Information - NHC Library

Contact Us

NOAA/ National Weather Service
National Centers for Environmental Prediction
National Hurricane Center
11691 SW 17th Street
Miami, Florida, 33165-2149 USA
nhcwebmaster@noaa.gov

NATIONAL HURRICANE CENTER and CENTRAL PACIFIC HURRICANE CENTER

NHC Graphical Outlook Archive (Text)

NATIONAL HURRICANE CENTER and
CENTRAL PACIFIC HURRICANE CENTER