General Discussion

• O

  How to add and display more than one kml file?
  • Odirlei Paradelo  

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  Waves Swell Swell 2 Swell 3
  • fcabrita  

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  @fcabrita Hi, thank you for your message. Please follow up this link https://community.windy.com/topic/6940/waves-swell-swell2-wind-waves-oh-my-good/4 Best regards, Barbora
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  How are mensure the CO concentration on Windy?
  • machadomurilo  

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  @machadomurilo Here are the data source of the CO layer: See more explanation from @af4ex : https://community.windy.com/topic/5199/what-is-source-of-data-on-co-ozone-and-so2-and-are-measurements-ground-level-or-column-or/3
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  Your map annotations
  • ivo  

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  Greta heading to NYC https://www.windy.com/annotation/5d650b73bed868001abd48fd This image is licenced under Creative Commons licence and can be used/modified freely in any possible way Create your own annotation at https://www.windy.com/annotate
• K

  How does Windy locate Vessels to display on Screen?
  • Kielholer  

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• S

  Thunderstorms after 33 degrees heatwave- South Central England and London
  • Slither.io  

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• B

  Temperature Notification
  • bkbakers  

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• 

  Forecasted values on map change depending on zoom level
  • btschumy  

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  Thanks for the additional info. Possibly I’m starting to understand the issue. When viewing the map while zoomed out, is the grib file sent to the app at a lower resolution? If the grib file’s resolution varies with the map zoom level then I can totally see how the interpolation between points can change with zoom.
• K

  Which map does Windy use in Austria?
  • karamell  

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  Great Thank you The card I did not know yet. Would be great to bring the vector card in my Garmin
• S

  The Britain Heatwave - 33 degrees centigrade expected in Southeast England after 'unsettled' weather
  • Slither.io  

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  TODAY IS HEATWAVE DAY! As I said, BE PREPARED.
• 

  Atlantic - Tropical depression threatens Dominica
  • Gabou971  

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  Hello, Yes it's a storm now! But a it's a very small one at least. Its convection area is very small and thunderstorms appear to be quite small compared to other typical tropical storms. However at this moment thunderstorms tops are reaching FL450. That represents a lot of water that could surely cause flash floods and mudslides... Satellite imagery showing the size of the storm and thunderstorm tops People from Guadeloupe to Grenada should be extremely careful regarding floodings, wind gusts and also waves caused by this little storm. AROME wind accumulation for the next 42 hours, showing gusts up to 130 km/h And ahah yes I didn't notice that about island names :)
• K

  This topic is deleted!
  • KabirRaut  

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• A

  what is source of data on CO, ozone and SO2, and are measurements ground level or column or ?
  • adonnay  

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  [I am aware that this is a very old post, but it is still being searched and viewed, so I think it is important to correct some incorrect information presented here] @TheRadarGuy "The data is from NASA's GEOS-5 satellite." GEOS-5 is not a satellite. It is a computer-based global atmospheric modeling system, maintained by NASA's Goddard research facility. https://gmao.gsfc.nasa.gov/GEOS_systems/ GEOS-5 can generate SO2 (and other chemical) data by a kind of simulation (called 'reanalysis') from computed estimates of SO2 concentrations, which are initialized and then consistently updated by interpolating satellite and meteorological observations (e.g. winds) using the GEOS-5 atmospheric circulation model to make geospatial 'forecasts' of SO2 concentrations between actual observations. https://acd-ext.gsfc.nasa.gov/People/Colarco/Mission_Support/ There are several satellites which carry SO2 sensors and can be used to initialize and update the GEOS-5 forecasts: https://so2.gsfc.nasa.gov/ NASA's AURA OMI (Ozone Measuring Instrument) which has been in operation for more than a decade. https://www.atmos-chem-phys.net/16/4605/2016/ ESA's Copernicus Sentinel-5P TROPOMI (Tropospheric Monitoring Instrument) https://developers.google.com/earth-engine/datasets/catalog/COPERNICUS_S5P_NRTI_L3_SO2
• T

  swell & swell 2
  • tomhudu  

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  @tomhudu As you probably know the shape of waves, in a given place, is a mix of different kind of waves: The windsea (also called wind waves) is produced by the local wind. The main swell is produced by a strong wind far away. Secondary swells are produced also by winds far away but in other places. All of them have different heights, come from different directions and show different periodes (which is the time between 2 wave crests) Swell 1 is the main swell, swell 2 and 3 are secondary swells (the swell classification 1, 2, 3 depends on their respective height). See also: https://community.windy.com/topic/3361/description-of-weather-overlays For example close to NewZealand coast you can observe different swell trains due to several storms at this season. In this example, main swell is E-W and Swell 2 is S-N caused by 2 different storms.
• N

  Option for diff default screen?
  • Nezza990  

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  How to make map timelines?
  • JohnMartin1  

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  Trying to understand map creation.
  • BuntyBhai  

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• Y

  WARNING: BRITAIN WILL GET HEATWAVE ONCE AGAIN AS HEAT FROM SPAIN COMES FROM THE JETSTREAM
  • Yeah Boi  

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  YES! Be sure to wear suncream!
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  Where is Windy most likely to be used?
  • Slither.io  

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  I would not think so, as the NWS needs radars that are even more advanced than this. Thanks for replying @Yeah-Boi
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  This topic is deleted!
  • bessieqait  

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