Questions tagged [weather]

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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40 views

Data warehouse for ERA-5 data

I'm new to GIS an this kind of data. I want to create for my team an easy way to obtain weather data. We are using https://cds.climate.copernicus.eu/cdsapp#!/dataset/reanalysis-era5-land?tab=overview ...
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51 views

Adding drop shadows to shapefile

How can I add a drop shadow to shapefiles and have them show up on another software? I have weather radar, WSV3, and I created my own custom county map, but i'm wanting to add drop shadows to the map ...
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1answer
93 views

Interpolating weather data in QGIS

I am trying to find a proper way to interpolate weather data and use it for regions without the data. The black points are the weather stations that give me the weather data, the red points are the ...
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1answer
115 views

How to capture real time weather data of points using OpenWeatherMap

I want to set points on a map layer with autofilled data in some fields in the attribute table, which already works fine with date/time and username/observer. Is there also a way to capture real time ...
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94 views

Google Earth Engine: how to use buffer function

I am using the following codes to extract weather data for a list of point with longitude and latitude. Now I would like to have the data for a buffer of 1km for each data. var temp = ee....
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20 views

MapServer: How to find all high and low spots in a raster?

I'm currently tinkering with MapServer to see if it could work as a backend for the remodel of my hobby stormchaser website. Is it possible (in MapServer) to find all high and low spots in a raster ...
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72 views

Algorithm to find low/high atmospheric pressure systems in gridded raster data

What's the commonly used algorithm for finding center positions and values of low/high atmospheric pressure systems in gridded raster data (GRIB/NetCDF/GeoTIFF)? First I tried a naive approach to ...
2
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1answer
95 views

Reproject file to line up with geographic features on a map

I have been trying to reproject data to match the "geographic features" on a map (and also shapefiles) in QGIS or on the web. I'm ingesting raw GRIB data (available here). I'm using python ...
4
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1answer
407 views

Converting NetCDF WRF weather forecasts from a custom Lambert Conformal Conical projection to WSG84

I'm having some trouble reading a WRF weather forecast prediction file where the coordinates are in a custom Lambert Conformal Conical projection. My final goal is to get the weather forecast a a ...
2
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2answers
493 views

Finding the average of a raster across a given region, in R, for many points in time

I have a time-series of rasters (daily maps of global temperature for the past year), and a shape-file outlining state boundaries. I'd like to find the average temperature in each state on each day of ...
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1answer
1k views

Adding weather radar data to leaflet from website

I am looking to add a specific layer from this website (https://www.iweathernet.com/total-rainfall-map-24-hours-to-72-hours) to a leaflet map in R. I have tried the code below, but the data does not ...
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143 views

Adding 7 days weather forecast to QGIS project

The Qweather Plugin with Yahoo Weather API gives me the real time weather info I want but I also want to add seven days weather forecast to my QGIS project. How can I implement this?
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1answer
106 views

UMEP Copernicus downloader ERA5 throwing Python Error

I am very new to using UMEP and I have installed it on QGIS 3.10 on MacOS and also on Windows but in both machines, I am running into the following error. I have set up my id/key API properly as I can ...
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1answer
365 views

How do I get average temperatures and precipitation data into QGIS or SAGA GIS?

I need average temperatures and precipitation data (if possible as grid) for Germany and I found this source: https://opendata.dwd.de/climate_environment/CDC/ But I have no idea on how to load it ...
4
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1answer
117 views

Query the lowest temperature from single GFS forecast with GEE

My goal is to get the lowest temperature from a given GFS forecast. // import GFS forecast collection var gfs_dataset = ee.ImageCollection('NOAA/GFS0P25'); // get a single forecast var ...
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0answers
71 views

Adding JAXA weather map tiles in Leaflet

Is there any way I can add JAXA rainfall layer as a Leaflet layer. If not what other options are available for rainfall/ppt layer other than OpenWeather map?
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1answer
404 views

Data for average monthly high/low by zipcode

I am looking for data that will provide average monthly temperatures by zip codes in the US. I require only a year or two worth of historical data, as I am only looking for general trends. ...
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1answer
114 views

Is there a program to read all the data contained in a waypoint in a .gpx track file and assign it to a variable?

This is related to geodata. I am a plant explorer and go into Ecuador and Peru looking for new species of plants. I take close to 1000 pictures each time I go, and I use a Garmin Oregon GPS device ...
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0answers
122 views

Extracting data from multiple raster layers in QGIS [duplicate]

I have a raster layer containing climatic monthly data: rainfall maximum and minimum temperatures There is one layer for each variable and month. I want to extract the average and maximum values ...
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0answers
794 views

Visualizing Weather Data in real-time/online with QGIS [closed]

I have been searching for quite some time now, but I can't seem to find the answer by myself. I did come across some things that helped me a bit, but many answers on this topic were from quite some ...
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1answer
1k 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
29 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
7k 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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158 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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2answers
59 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
108 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 ...
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1answer
1k 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 ...
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1answer
230 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
108 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 ...
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1answer
417 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 ...
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1answer
72 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
98 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,...
2
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1answer
998 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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2answers
210 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 ...
2
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1answer
247 views

Changing temperature range in thermographic map using QGIS

I need to know how to set temperature range from thermographic map to be from 100-120° C using QGIS. In that case I would see just the temperatures from 100-120° C.
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1answer
525 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
136 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
2k 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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1answer
899 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
50 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
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1answer
1k 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
19k 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
215 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
422 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
50 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 ...
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3answers
3k 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
7k 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
727 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
1k 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 - ...
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1answer
468 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 ...