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Atmospheric conditions at a specific place and time, such as temperature and precipitation. For such variables tracked over time, use the climate tag.

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50 views

Creating climate maps in QGIS? [closed]

I have millions of points having temperature and humidity information covering the Middle East and North Africa (MENA). How can I create animated heatmaps/hotspot maps of change over time? The data ...
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0answers
18 views

Where do those cloud data overlay images come from

Certain time-based (rain) cloud data appears on different sites and apps. This gives the impression that the rain and cloud data is available (for free or licensable), and that multiple sites make use ...
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1answer
273 views

Using GDAL to read data from GRIB file in Python?

I am attempting to use GDAL to read corresponding latitude, longitude, and temperature values from a GRIB file. I would like to store these data points in a 2-D list. I was able to do this using the ...
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0answers
24 views

Weather Heat Map/ Hot Spot [duplicate]

I have a shapefile of tornado warning polygons. I would like to find and map the areas that have been in the most amount of warnings in that period of time. For example, I would be able to see that x ...
2
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0answers
249 views

Adding an OpenWeatherMap WMS layer using PyQGIS

I would like to add in QGIS real time weather data. I found this link and this link and I tried to follow the example, but without any success. I've added a WMS weather data layer for precipitation ...
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0answers
33 views

ECMWF Raw Data for plotting charts and tiles

Is anyone aware of a data provider that can supply ECMWF NWP data at a reasonable price? Preferably in GRIB format. Or more to the point where can I get that data :)
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0answers
84 views

Making base maps for weather limited to exact space and output dimension in QGIS?

I need to make some pretty basemaps and wish to use QGIS. The program which will use the basemaps is GrADS, which doesn't read any navigated imagery like geoTIFF or kml. However it produces KML ...
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0answers
60 views

Get the info about the storm events from the NOAA weather service

I am trying to get the information about the different meteorological events (such as hails, winds, hurricanes and tornadoes) from the NOAA web servers but faced up with the problem when the NOAA REST ...
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2answers
43 views

snow data for US

I'm an amateur to weather. I'm trying to find a snow data set for my weather impact sales project. I need daily snow depth and snow total for different region or states. I found this : http://nsidc....
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0answers
53 views

Seeking source for grib data download?

I am trying to integrate wind maps into an existing map and I would like to download the latest wind data for a local area like zyGrib does and then attach it into the map. I am aware that there are ...
4
votes
1answer
239 views

How to set style for a Wind - point layer on GeoServer

I am serving a Wind as a point layer on GeoServer. In each point I have data: wind speed [m/s] and wind direction [degrees] Currently I am using default style, but I would like to be able to change ...
1
vote
1answer
114 views

Adding weather information to QGIS atlas composer

I'd like to add a tabular weather forecast with climatic variables like temperature, wind, and chance of precipitation to my QGIS atlas composer. Does anyone have suggestions on how I can do this?
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0answers
61 views

Weather radar imagery

Are there any services besides the NOAA that offer weather radar imagery for free? Some of the issues our users have with the images from nowcoast/radar_meteo_imagery_nexrad_time are the colors and ...
1
vote
1answer
104 views

Get CSV of specific data from NOAA NAM-NMM Dataset using wgrib2

I am trying to get data from the NAM-NMM Dataset and am having a lot of trouble getting the data I want out of the grb2 files. How can I get a CSV file containing information like Probability of ...
0
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1answer
62 views

How to analyze temporal change in wind?

I have daily data for several years (GRIB but also available as netCDF), I would like to investigate how the wind speed and direction has changed along the migratory route of a bird (in spring) and ...
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0answers
57 views

ISA Model and GFS data

I have a newbie question... I always used the International Standard Atmosphere model whenever I needed to calculate the temperature in a given altitude. It always looked accurate to me... However,...
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0answers
299 views

Method to Create Weather Forecast Maps

I have 300 locations with coordinates that are spaced relatively far apart. I get daily forecasting data of these locations in Excel format (precipitation, temperature, snowfall, etc.). I want to ...
1
vote
1answer
363 views

Interpolate grib2 data from GFS

I downloaded a grib2 file containing GFS data. I need to get wind and temperature from altitudes ranging from 1000 ft to 42000 ft I know the grib2 (GFS) only have data for specific "isobaricInhPa" ...
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1answer
103 views

Open Source Historical Weather Data API

My client requires weather data for an application that has wind speed, wind direction aggregated by zip code for individual days of the week. Where can this be acquired to be used in an Esri Web ...
0
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1answer
306 views

Real-time weather for ArcGIS online

Does anyone know of real-time weather (temp and precip) data for the US that I can bring into ArcGIS online as a layer and also download as a csv?
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0answers
121 views

Looking for Historical wind data (direction/speed) for E. Africa or greater

Does anybody know of a source for wind data ~04 - 14 for E. Africa or a larger area. I have looked at a number of sources but have not found anything for these consecutive years.
2
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1answer
1k views

How to get value of uvIndex for a particular latitude and longitude from a grib2 file?

I'm trying to find out the uvIndex of a particular set of lat,lng. I'm getting the data file from this link. I'm using pygrib to read the file. import pygrib grbs = pygrib.open('uv.t12z.grbf01.grib2'...
2
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1answer
280 views

Why are there holes in these radar blobs?

I was recently looking at a live weather radar online and I noticed several "holes" in the radar blobs usually near the center of the blob. I also noticed that in a few cases that the holes stayed in ...
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0answers
35 views

Ways of merging weather data from different timezones

Does anyone know of any simple means for merging (inverse distance weighting method) hourly weather files (precip, temp, etc.) from different timezones? I am creating weather data for HUC8s, and am ...
2
votes
1answer
536 views

Historical NWS GFS forecast data

The National Weather Service (NWS) makes the results from its Global Forecast System model (GFS) available for download as GRIB2 files. While accessing current (or recent) forecasts is straight-...
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2answers
6k views

How to extract specific information from GRIB files?

How to extract fetched GRIB data with Python and gribapi package (link goes to official ECMWF Wiki)? I tried to follow few examples from their "documentation" and do it myself, but I just cannot ...
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0answers
152 views

GIS Information for Netherlands [closed]

I am currently interested in any kind of GIS Information about Netherlands. I need it for some kind of research. Such informations as temperature, soil composition, precipitation, elevation are very ...
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2answers
250 views

Is there documentation anyplace for adding weather to PostGIS/Geoserver?

We have an internal PostGIS/Geoserver for rendering map tiles for the world based on OpenStreetMaps. We would like to overlay weather, but would like to do so without referencing external URLs. The ...
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0answers
39 views

Getting daily-air temperature of several months of past years for Australia?

I really need to obtain the daily-air temperature for several months of 2011. In addition, the data I'm looking for must have the maximum spatial resolution of 1Km*1Km. Since, as I know, there isn't ...
2
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3answers
1k views

Wind speed data interpolation

I would need to predict wind speed and direction at a wind farm station, using an artificial neural network. Unfortunately, the only historical weather data available are the one at some weather ...
2
votes
2answers
5k views

NOAA API data for past monthly mean Temperature and precipitation

I am trying to use the NOAA API to get data on monthly mean temperature and precipitation for the past 10 years. I wrote the following python code (the variable "token" in the code is the API token ...
2
votes
2answers
427 views

Defining the azimuthal equidistant projection of an Environment Canada weather radar map

Environment Canada helpfully provides recent captures of all national weather radar stations at http://dd.meteo.gc.ca/radar/PRECIPET/GIF/ at ten minute intervals. These are the same GIF images as ...
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1answer
381 views

Visibility vs. Cloudiness

Some weather providers like Yahoo give a visibility percentage while others like OpenWeather.org give cloudiness percentage. To normalize would it be acceptable to say that visibility = 100 - ...
6
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1answer
369 views

Standard colour ramp for wave height visualisation

I'm working on a visualisation of weather, including wave heights. The source data is from a WaveWatch 3 model, and I'm using GeoServer 2.7 (with NetCDF and dynamic colormap extensions) to do the ...
2
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1answer
96 views

Sourcing Historical Wind data?

I'm looking for a service that provides hourly historical data for 24h and back. I am currently interfacing openweathermap.org but had to find out that not all stations provide this feature. Are ...
6
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1answer
149 views

Data Feed for Space Weather / Aurora

I am building a map application for a northerly area and would love to bring in a feed of northern lights prediction/probability (like below). http://www.gi.alaska.edu/AuroraForecast Does anyone ...
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2answers
3k views

What is a good Javascript API for weather data?

I'm looking for a good javascript api which gives access to a weather data-base. I want to extract information like average number of rain days, amount of sunshine and average temperature. Is there ...
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3answers
5k views

real-time weather forecast raster for Europe

I am trying to find a numeric weather forecast map (air pressure, temperature, snowfall, precipitation..) that I could display in my web map client. For the client I'm currently using OpenLayers with ...
4
votes
2answers
5k views

How to pick the coefficient in Inverse Distance Weighted method?

I'm using QGIS 1.8.0 to interpolate weather data. This is, I have a weather station located in say, A and C. With the Inverted Distance Weighting or Triangular Interpolation methods, I can know/...
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0answers
867 views

Weather data interpolation? [closed]

I'm trying to carry out weather conditions interpolations. I have information of 92 weather stations for 800,000 km2. As you can imagine the extension of land is huge and I need some kind or weather ...
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0answers
53 views

severe thunderstorms warnings dataset for europe

I'm looking at the possibility of using georef data on historic thunderstorms alerts. Does anyone know of a good (free) source for this information?
5
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3answers
126 views

What sources of granular wind data over the continental US are available?

I am looking for publicly or commercially available wind data at altitudes ranging from 0 feet to 40,000 feet over the continental United States. Which data sources should I look at? Which one is ...
1
vote
1answer
574 views

Where can I download Real time Traffic and weather data for the world?

Where can I download real time data for traffic and weather? I'd like to use it as an overlay on a mapping service of my choice (eg. Google maps, OpenLayers etc.)
1
vote
1answer
3k views

Retrieving info from GRIB2 file with JAVA?

I've just started parsing some info inside GRIB2 file with NOAA weather forecast, and I am realizing this task is not as easy as I could think 'a priori'. I need to process some info inside JAVA ...
2
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1answer
228 views

other than GrADS and NCL, any other map/chart scripting and plotting software dedicated for climate and meteorology?

NCL is quite good indeed, but I would like to know whether there are other options.
5
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1answer
188 views

Where can I get US snowfall data with day resolution?

I need to visualize the snowfall in the USA for a given time period and city. So you could pick a given day and get a heatmap showing the amount of snowfall at each place in the USA on that day. ...
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8answers
16k views

Near real-time sources of lightning strike data

I am wondering if anyone has any suggestions on sources of near real-time lightning strike data available for download? For example, Intellicast.com has a map of strikes, but makes no mention of the ...
2
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2answers
1k views

How to get WMO SYNOP data?

I would like to get WMO weather stations observations daily reports from the web in file or web-service form. According to WMO Resolution 40 -info- this data should be availiable in text form with ...
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2answers
662 views

Looking for a live feed of tides in Australia

I'm looking for a feed of predicted tide heights and times, specifically for NSW, Australia. Tide sites such as the Bureau of Meteorology only provide static images of predicted tide height. NSW ...
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1answer
2k views

Are special interpolation techniques required for weather data?

I've downloaded a series of weather observations from the local weather agency - it comprises around 1,000 points spread non-uniformly across Australia, with a greater density of points located near ...