Questions tagged [noaa]
The National Oceanic and Atmospheric Administration (NOAA) is a US federal agency focused on the condition of the oceans and the atmosphere.
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Projecting a satellite full-disc image?
I receive full-disc GOES-16 images wich look like this:
I want to crop it and project it so it look like this:
How can I do this? Ideally from a command line tool so I can automate the process.
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0answers
6 views
How to get ERDDAP maximum time limit range?
I need to query an erddap/griddap service (i.e. NOAA/NCEP) in order to get its time axis maximum value, before submitting the request. I have read many documentations but couldn't find a way.
Is ...
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1answer
131 views
Add NOAA layers to OpenLayers map
I'm trying to add a NOAA hosted layer to an OpenLayers map. I've seen some examples of doing it with an older (pre 3) version of OpenLayers and of services no longer offered by NOAA. Has anyone ...
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0answers
48 views
Tiff file output using print composer has blocks of image scrambled (out of place)
I have used 2.18 to print maps to file (tiff) using print commposer. The base layer imported into QGIS consists of NOAA raster tiles. (My problem arises whether or not I have added other layers.) ...
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173 views
Open NOAA daily datasets in R language
I need the daily mean temperatures and precipitation values for particular days and specific localities, far from any weather gauge. I guess that, for example, this dataset kindly provided by NOAA ...
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127 views
Is there an API for NOAA GOES 15 satellite data?
In August 2015, I was requesting GOES 15 GVAR_IMG satellite data because it had both visible and infrared light info (useful for studying cloud coverage and solar radiation). I remember having to ...
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1answer
137 views
QGIS placing data incorrectly?
I have two layers open. One is a Natural Earth ocean layer, the other an output from an NOAA computer forecast model. The forecast model is misplaced to the east as seen in this image.
QGIS knows: ...
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1answer
815 views
Download AVHRR 1 km SST data
How to download NOAA AVHRR 1 km resolution sea surface temperature data?
I need a SST 1 km image of the coast of Netherlands with at least 20 % valid pixels.
After searching and searching I find the ...
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3answers
189 views
NOAA NHC WFS data not visible
I have worked with .shp, geodatabases and WMS formats in QGIS but I am new to working with WFS format. I have QGIS 2.18 installed on my computer.
I am trying to open and view U.S. NOAA NHC WFSserver, ...
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1answer
337 views
How do I convert a latitude/longitude coordinate to a NOAA GFS grid cell location?
Looking at this GFS http://nomads.ncep.noaa.gov:9090/dods/gfs_0p50/gfs20170707/gfs_0p50_12z.ascii?tmax2m[0:2][124:128][279:283]
The range defined by the second and third set of brackets specify the ...
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1answer
200 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
521 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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0answers
104 views
Less detailed FIPS polygons?
I'm working on a project which takes the NOAA NWS alerts and places them onto a Google Map. https://alerts.weather.gov/cap/us.php?x=0
Most alerts use the FIPS or UGC codes. I don't think I need the ...
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0answers
140 views
Which bands or channels these NOAA AVHRR satellite images involve? [closed]
These two satellite images are from NOAA AVHRR, but I do not know which bands or channels exactly both images represent.
Can you tell me the band or channels that are involved?
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1answer
242 views
Gdalinfo - missing corner coordinates
I came across some KAP charts which don't display correct corner coordinates from gdalinfo; despite them having REF fields in the header. For the NOAA file11425_3.KAP gdalinfo displays the coordinates:...
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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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0answers
180 views
Render Vector & Save as Raster
I am working with ENC files from noaa, specifically S57 format or ".000" to be as specific as possible.
I am trying to render a layer or even the entire thing in a window but have had no luck. ...
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1answer
386 views
VDatum helmert transform parameters
I'm trying to use NOAA's VDatum to verify the NAVD88 -> WGS84 datum conversion in a c++ datum conversion library that I've written.
The answers didn't agree, so I attempted to check a simple ITRF2008 ...
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2answers
142 views
Adding NOAA Radar to JavaScript Application
I am atempting to add NOAA's Dopler Radar to my web. For whatever reason the later will not display on the map. No errors are being reported and I have used console.log() to confirm the data is being ...
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1answer
1k views
How can I download data from an FTP server using python? [closed]
I am trying to download precipitation data from an ftp server. The code that I am using is this, but am still getting errors.
import urllib2
urlretrieve("http://ftp.cpc.ncep.noaa.gov/fews/fewsdata/...
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763 views
Downloading NOAA AVHRR NDVI using R
I am using the gimms package to automatically download NDVI data from 1981-2013. The code is provided here. The data is available here. However, after running it shows that data has been downloaded ...
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2answers
9k 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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1answer
2k views
Downloading GRIB GFS files with specific filters?
Is it possible to download a smaller GRIB GFS file with specific parameters only (e.g. surface wind and temperature values) rather than hundreds of MB of data? If so, what is the usual approach to ...
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2answers
6k 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 ...
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1answer
97 views
Where can I get GIS data layers that show sea ice data for the Beaufort and Chukchi Seas?
I would like to put a layer on my basemap that shows sea ice coverage levels for both the Beaufort and Chukchi Seas off Alaska for the last few years. Is this available anywhere? Would I have to make ...
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3answers
3k views
Accessing NOAA web service with token
I recently requested a NOAA "token" to access their data. However, I keep receiving a "Token parameter is required" 404 error. Here is the URL I am using (note token is not the real one):
http://www....
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4answers
2k views
Converting a large set of GRIB2 files to a spreadsheet format
I have a large set of .pgrbf.grb2 files downloaded from the Climate Prediction Center, and I need to run statistical analyses comparing them to data that was produced locally in .csv format. I'm not ...
4
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1answer
567 views
extracting geographic location from NOAA NARR grib
I've downloaded a NOAA NARR grib file that I want to extract the wind component as well as the geographic location. I'm able to extract the wind component from the grib but I can't seem to find any ...
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0answers
93 views
Free Tide prediction service - World (a freeware program would work as an alternative)
Is there a free service where I could input a GPS location and it would return me the current tide situation at the position?
As an alternative - some library / program that does the exact thing one ...
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0answers
70 views
Water grey levels - remote sensing [closed]
by viewing two bands in erdas imagine the grey levels of the water differ. on the one image as below the water is dark and the other image the water is light. why is that? what cause the difference?...
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3answers
1k views
How to create several header files to open AVHRR NDVI3g (GIMMS) files?
I have downloaded GIMMS NDVI3g data from http://ecocast.arc.nasa.gov/data/pub/gimms/3g/
I now need to open the files in arcgis. I have the follwing GRID PARAMETERS:
grid-name: Geographic Lat/Lon
...
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2answers
373 views
Transform coordinates from NOAA
I use data from NOAA for some analysis in R and I want to transform coordinates to EPSG:54004 or something useful.
There is something what they write about their coordinates.
...
POS: 29-34
...
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2answers
3k views
Getting time dimension from GRIB file?
I have a GRIB file from NOAA that contains several variables for a specific subregion in Norht-East Atlantic.
I'm using ECMWF grip-api Python library to parse the file. While I'm able to get the ...
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1answer
2k views
NWS Grib Files scheduled download script
I am downloading grib2 files from the NWS NOMADS GFS service details here
The files are provided on a 4x per day cycle and the date format is YYYYMMDDHH. I believe that the processing is actually ...
