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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13 views

WMS service for United States weather data?

Specifically I need a WMS service with a Capabilities Document (XML) that defines a map for various weather information such as precipitation or wind speed/direction. I've looked around and at a ...
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1answer
37 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
20 views

WRF Global variable definition

I have recently started using NetCDF libraries to extract variable values from WRF output (.nc) files. Following are values of the global variables of a d03 output file: SOUTH-NORTH_GRID_DIMENSION ...
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1answer
44 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.
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1answer
40 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'...
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0answers
34 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
52 views

Extracting weather data at multiple locations from NetCDF with python

I am trying to extract weather data from a NetCDF file at multiple locations using python. The file (AROME_MetCoOp_00_DEF.nc_20160128) is from met.no here File information: <type 'netCDF4....
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20 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 ...
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1answer
45 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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1answer
343 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
33 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
76 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
19 views

How to get the daily-air temperature of several months of the past years?

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 ...
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3answers
343 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 ...
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2answers
482 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
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2answers
135 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
63 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 - ...
5
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1answer
207 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
41 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 ...
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1answer
126 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
2k 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 ...
5
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3answers
3k 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
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1answer
2k 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
503 views

Weather conditions forecasting / interpolation

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
235 views

Weather interpolations QGIS

does any one know how good are the weather interpolations that QGIS carries out? Do you have any other suggestions or better methods to do them? Please let me know. Thanks in advance!
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0answers
35 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?
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3answers
94 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 ...
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1answer
395 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.)
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0answers
2k views

retrieve some 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 ...
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1answer
176 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
149 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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6answers
11k 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 ...
1
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0answers
890 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 ...
6
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2answers
580 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 ...
6
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1answer
1k 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 ...
5
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2answers
2k views

WMS weather data for Europe

I am looking for a source of weather data for Europe. I use http://mesonet.agron.iastate.edu/cgi-bin/wms/goes/conus_vis.cgi? and http://mesonet.agron.iastate.edu/cgi-bin/wms/nexrad/n0r.cgi? for the US,...
11
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2answers
303 views

Which weather on my road? Looking for a spatial weather forecast web service

My friend Bob goes from A to B leaving tomorrow morning at 6:00. There are many direction services that indicates him short, fast and/or cheap routes. Bob does not like to drive under the rain and ...
4
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4answers
1k views

Grib2 Libraries For .Net

Are there any good libraries for accessing GRIB2 data in .Net? Specifically, I want to be able to quickly pull subsets of weather data from a grib2 file based on time and location.
7
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2answers
202 views

What are “M” point locations on the NOAA forcecast cone map?

I don't think I've ever noticed M before. H and S are Hurricane and Tropical Storm.