Tropical Page

This page contains abbreviated tropical weather information for the Atlantic. This page is just meant as a quick "snapshot" for tropical weather information. Please read the disclaimer at the bottom of this page. Special thanks goes to NOAA and The Weather Underground for the graphics displayed on this page.

**For an introduction to tropical forecasting, see the Tropical System Forecasting Basics.**

**New to tropical weather and need help finding links? Look at the Tropical Breakdown**

National Hurricane Center (Atlantic) Active tropical cyclones in the Atlantic, Caribbean, and the Gulf of Mexico Hurricane EARL Public Advisory Number 38 Issued at 500 PM EDT FRI SEP 03 2010 Hurricane EARL Forecast/Advisory Number 38 Issued at 2100 UTC FRI SEP 03 2010 Hurricane EARL Forecast Discussion Number 38 Issued at 500 PM EDT FRI SEP 03 2010 Hurricane EARL Wind Speed Probabilities Number 38 Issued at 2100 UTC FRI SEP 03 2010 Hurricane EARL Graphics 5-Day Uncertainty Track last updated Fri, 03 Sep 2010 20:37:51 GMT Wind Speed Probabilities last updated Fri, 03 Sep 2010 21:09:32 GMT Hurricane EARL Probabilistic Storm Surge Graphics Probabilistic Storm Surge Graphics last updated Fri, 03 Sep 2010 20:52:28 GMT Hurricane Local Statement for Boston, MA Issued at 550 PM EDT FRI SEP 3 2010 Hurricane Local Statement for Philadelphia, PA Issued at 522 PM EDT FRI SEP 3 2010 Hurricane Local Statement for Portland, ME Issued at 514 PM EDT FRI SEP 3 2010 Hurricane Local Statement for Caribou, ME Issued at 508 PM EDT FRI SEP 3 2010 Hurricane Local Statement for Wakefield, VA Issued at 457 PM EDT FRI SEP 3 2010 Hurricane Local Statement for New York City, NY Issued at 226 PM EDT FRI SEP 3 2010 Hurricane Local Statement for Newport/Morehead City, NC Issued at 214 PM EDT FRI SEP 3 2010 Hurricane EARL 5-Day Track, Uncertainty Cone, Warnings (.shp) GIS Data last updated Fri, 03 Sep 2010 20:37:02 GMT Hurricane EARL Best Track Information (.shp) GIS Data last updated Fri, 03 Sep 2010 20:39:14 GMT Hurricane EARL Best Track Information (.kmz) GIS Data last updated Fri, 03 Sep 2010 20:39:14 GMT Hurricane EARL Forecast Information (.shp) GIS Data last updated Fri, 03 Sep 2010 20:39:16 GMT Hurricane EARL Wind Speed Probabilities - 0.5 Degree Multiple Basins (.shp) GIS Data last updated Fri, 03 Sep 2010 21:10:03 GMT Hurricane EARL Wind Speed Probabilities - 0.1 Degree Multiple Basins (.shp) GIS Data last updated Fri, 03 Sep 2010 21:10:10 GMT Hurricane EARL Probabilistic Storm Surge Graphics (.shp) GIS Data last updated Fri, 03 Sep 2010 20:52:59 GMT Hurricane EARL Probabilistic Storm Surge Graphics (.kmz) GIS Data last updated Fri, 03 Sep 2010 20:53:36 GMT Tropical Storm FIONA Public Advisory Number 17 Issued at 500 PM AST FRI SEP 03 2010 Tropical Storm FIONA Forecast/Advisory Number 17 Issued at 2100 UTC FRI SEP 03 2010 Tropical Storm FIONA Forecast Discussion Number 17 Issued at 500 PM AST FRI SEP 03 2010 Tropical Storm FIONA Wind Speed Probabilities Number 17 Issued at 2100 UTC FRI SEP 03 2010 Tropical Storm FIONA Graphics 5-Day Uncertainty Track last updated Fri, 03 Sep 2010 21:57:35 GMT Wind Speed Probabilities last updated Fri, 03 Sep 2010 21:09:59 GMT Tropical Storm FIONA 5-Day Track, Uncertainty Cone, Warnings (.shp) GIS Data last updated Fri, 03 Sep 2010 21:56:48 GMT Tropical Storm FIONA Best Track Information (.shp) GIS Data last updated Fri, 03 Sep 2010 20:33:56 GMT Tropical Storm FIONA Best Track Information (.kmz) GIS Data last updated Fri, 03 Sep 2010 20:33:56 GMT Tropical Storm FIONA Forecast Information (.shp) GIS Data last updated Fri, 03 Sep 2010 20:33:56 GMT Tropical Storm FIONA Wind Speed Probabilities - 0.5 Degree Multiple Basins (.shp) GIS Data last updated Fri, 03 Sep 2010 21:10:03 GMT Tropical Storm FIONA Wind Speed Probabilities - 0.1 Degree Multiple Basins (.shp) GIS Data last updated Fri, 03 Sep 2010 21:10:10 GMT Atlantic Tropical Weather Outlook 000 ABNT20 KNHC 031756 TWOAT TROPICAL WEATHER OUTLOOK NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 200 PM EDT FRI SEP 3 2010 FOR THE NORTH ATLANTIC...CARIBBEAN SEA AND THE GULF OF MEXICO... THE NATIONAL HURRICANE CENTER IS ISSUING ADVISORIES ON HURRICANE EARL...LOCATED ABOUT 290 MILES SOUTH-SOUTHWEST OF NANTUCKET MASSACHUSETTS...AND ON TROPICAL STORM FIONA...LOCATED ABOUT 200 MILES SOUTH-SOUTHWEST OF BERMUDA. SHOWERS AND THUNDERSTORM ACTIVITY CONTINUES TODAY IN ASSOCIATION WITH THE REMNANT LOW OF GASTON LOCATED ABOUT HALFWAY BETWEEN THE CAPE VERDE ISLANDS AND THE LESSER ANTILLES. ENVIRONMENTAL CONDITIONS FAVOR SLOW DEVELOPMENT AND A TROPICAL DEPRESSION COULD RE-FORM AS IT MOVES WESTWARD AT 10 MPH DURING THE NEXT COUPLE OF DAYS. THERE IS A MEDIUM CHANCE...50 PERCENT...OF THIS SYSTEM BECOMING A TROPICAL CYCLONE AGAIN DURING THE NEXT 48 HOURS. AN AREA OF LOW PRESSURE HAS DEVELOPED ALONG A TROPICAL WAVE LOCATED BETWEEN THE WEST COAST OF AFRICA AND THE CAPE VERDE ISLANDS. SHOWERS AND THUNDERSTORMS IN ASSOCIATION WITH THE LOW ARE SHOWING SOME SIGNS OF ORGANIZATION AND ENVIRONMENTAL CONDITIONS APPEAR CONDUCIVE FOR SLOW DEVELOPMENT OF THIS SYSTEM. THERE IS A MEDIUM CHANCE...30 PERCENT...OF THIS SYSTEM BECOMING A TROPICAL CYCLONE DURING THE NEXT 48 HOURS AS IT MOVES NORTHWESTWARD NEAR 10 MPH. ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE NEXT 48 HOURS. $$ FORECASTER LANDSEA/BLAKE

Current Tropical Activity from wunderground.com

This image shows current sea temperatures, with an overlay of current tropical weather. It is generally accepted that sea temperatures at or above 26.5C or 80F are needed for tropical system development.

Tropical Cyclone Danger Areas (Atlantic)

Current forecast track and areas at risk from active tropical systems.

Tropical Storm Formation Probability within 24 hrs

This image shows the current genesis probability of tropical weather. It uses many factors to determine the probabilities, explained here.

24 Hr. Forecast for the Tropical Atlantic

This is a 24 hr. forecast for the tropical Atlantic, created by the NHC.

Current Shear in the Tropics

This is the current wind shear in the tropics. High wind shear is hostile to tropical development.

Current Water Vapor Image for the Tropical Atlantic

This is the current water vapor image of the tropical Atlantic. Water vapor images help point out important elements in the atmosphere, including dry air which can be hostile to tropical storm development.

100 Meter Potential Temperature

This map is very large in size, please click the link above to see it. This is the potential water temperature at a depth of 100 meters for the western Atlantic. Generally, most tropical systems need deep water (at least 50m) at a minimum temperature of 26.5C or 80F to sustain themselves. This graphic shows the potential water temperature at 100m.

Useful Tropical Links - (these and many other tropical links can be found in the tropical section of the link directory). For those needing more help on which links to choose, try the Tropical Breakdown page.

National Hurricane Center - THE offical source for tropical weather information in the United States

Wunderground Tropical Weather Page - EXCELLENT collection of tropical weather information

FSU Tropical Page - one of the best tropical sites around. Contains model runs and phase analysis

University of Wisconsin Tropical Page - Contains wind analysis, shear maps, and other data.

NOAA SSD Tropical Satellite Imagery - Imagery for the tropical Atlantic and Gulf of Mexico

Colorado State University Tropical Model Guidance - Model guidance and other links.

NRL Monterey Tropical Cyclone Page - Navy tropical weather page.

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