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Current cyclones and Watching


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Weather lexicon

Weather systems

  • Invest : It is a disturbed area under surveillance.
  • xxL : This is the number of the disturbed zone under surveillance (between 90L and 99L in the Atlantic).
  • TDxx: Tropical depression, it is a tropical depression and its number in the season.
  • TS : Tropical Storm, this is a named Tropical Storm.
  • Hurricane : Named hurricane.
  • Major Hurricane: Major hurricane of category 3 or higher.
  • LO : Low: it is an area of ​​low pressure.

Wind and pressure

  • kt ou kts : unit of wind (knot or nautical knot). 1 kt = 1.852 km / h. For a quick approximate calculation, multiply by 2 and subtract 10%.
  • Windshear / Shear : It is the difference between the surface wind and the altitude wind. The greater the difference, the less the risk of cyclones.
  • hPa : hectopascal, it is the unit of measurement of atmospheric pressure which replaced the milibar and which is equivalent.

Weather services and forecast models

  • NHC : It's the National Hurricane Center, the American weather forecasting service dedicated to cyclone risk. Depends on NOAA.
  • NOAA : National Oceanic and Atmospheric Administration, the American service for the study of the atmosphere and the oceans
  • NRL : Naval Research Laboratory, it is the division of marine meteorology of the US Navy. NRL : Naval Research Laboratory, it is the division of marine meteorology of the US Navy.
  • GFS : Global Forecast System, It is the best known and most used global weather forecast model in the world. It runs 4 times a day (00h 06h 12h 18h UTC) and gives forecasts on a multitude of parameters up to 384h.
  • ECMWF : European Center for Medium-Range Weather Forecasts, it is the European equivalent of GFS. It runs twice a day (2h and 00h) and gives forecasts at 12h.
  • CMC, NAVGEM, ICON, JMA are other global digital models but less relevant than the first 2.
  • WW3 : It is a forecast model dedicated to swell and waves. : It is a forecast model dedicated to swell and waves
  • HWRF : It is a forecasting model dedicated to cyclone tracking
  • SHIPS : It is a statistical forecast model dedicated to the intensity of cyclones. It is widely used by forecasters of the NHC
  • Floater : Satellite imagery centered on a weather system.
 

Contact details and zoning

  • xx, xN and xx, xW : a GPS position. For example Fort-de-France is located on 14,36N by 60,03W.
  • MDR : the Major Development Zone of weather systems in the Atlantic, between 10N and 20N from Africa to Mexico.
  • ITCZ : Intertropical convergence zone. It is a very humid and disturbed barometric marsh area (pressure stable) a little north of the equator in the Atlantic.
  • S, N, SE, SW, NE, NW : These are the cardinal points that determine a direction.

Climate

  • ENSO : Southern oscillation which can have 3 types of phase: El NiNO, LA NINA or Neutral Phase.
  • AMO : Atlantic Oscillation Multidecenal. It takes place over several decades and is responsible for a large part of the temperature variations in the North Atlantic Ocean, which greatly impacts the hurricane situation.
  • SST : These are the ocean surface temperature anomalies. This is very important data for the intensity of cyclones over a season.
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Translations are automated.

Current cyclones and Watching


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Latest tweets

Warning !
Watching in #Guadeloupe has increased to the YELLOW level for heavy rains and thunderstorms.

See details on: https://meteofrance.gp/fr/Watching/guadeloupe

🌀 This November 28 at 7 am (loc) the Watching is as follows:
#Guadeloupe: GREEN
#Martinique: GREEN
Northern Islands: GREEN

There is no hurricane system on the Atlantic.

https://www.meteo-tropicale.fr

🌀 This November 27 at 18 p.m. (loc) the Watching is as follows:
#Guadeloupe: GREEN
#Martinique: GREEN
Northern Islands: GREEN

There is no hurricane system on the Atlantic.

https://www.meteo-tropicale.fr

ATTE

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NTION

This site has been developed for entertainment and understanding the weather in the tropics.

It should only be used NEVER for the safety of people or property.

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