Iowa Environmental Mesonet
Iowa State University Department of Agronomy
GOES Satellite Imagery for GIS
The IEM receives a "real-time" feed of GOES East and West satellite imagery in GINI format. We process this into GIS-ready RASTERs for download and web services. This page details this dataset.
| AWIPS native projections | Reprojected into EPSG:4326 "lat/long" | Ready for Google-Maps |
|---|---|---|
current imagery folder |
current imagery folder |
Tile Map Service OpenLayers Example |
IEM GOES Ingest Status
| Bird | Latest Imagery | JSON Metadata | |
|---|---|---|---|
| East | GOES13 | 2012-05-17T01:32:00Z | IR - VIS - WV |
| West | GOES15 | 2012-05-17T01:30:00Z | IR - VIS - WV |
The GOES (Geostationary Satellite) provide the commonly seen views of clouds from space. The IEM receives a near real-time feed of this data in GINI format and processes it into geo-referenced PNG raster files. A directory of these files can be found here, but the native grid projections may be difficult for you to use. The IEM projects this data onto a simple lat/long grid (EPSG:4326) and you can find those files here. Besides the raw files, the IEM also provides OGC web-services of this imagery.
AWIPS Projection Data
The raw GINI data files are provided on predefined grids used by the National Weather Service AWIPS system. Here is an attempt to cross reference these grid numbers into Proj4 strings.
| AWIPS Grid | Proj4 String |
|---|---|
| 208 | proj=merc lat_ts=20 x_0=0 y_0=0 a=6371200.0 b=6371200.0 |
| 211 | proj=lcc lat_0=25 lat_1=25 lat_2=25 lon_0=-95 a=6371200.0 b=6371200.0 |
These AWIPS projection imagery files can be found here. You will find three files for each image: the raw PNG imagery, the world file, and a JSON formatted metadata file.
OGC Web Map Service
Conus GOES visible imageryhttp://mesonet.agron.iastate.edu/cgi-bin/wms/goes/conus_vis.cgi?
Conus GOES infrared imagery
http://mesonet.agron.iastate.edu/cgi-bin/wms/goes/conus_ir.cgi?
Conus GOES water vapor imagery
http://mesonet.agron.iastate.edu/cgi-bin/wms/goes/conus_wv.cgi?
GOES East infrared imagery
http://mesonet.agron.iastate.edu/cgi-bin/wms/goes/east_ir.cgi?
GOES West infrared imagery
http://mesonet.agron.iastate.edu/cgi-bin/wms/goes/west_ir.cgi?
GOES West Alaska infrared imagery
http://mesonet.agron.iastate.edu/cgi-bin/wms/goes/alaska_ir.cgi?
GOES West Hawaii infrared imagery
http://mesonet.agron.iastate.edu/cgi-bin/wms/goes/hawaii_ir.cgi?
GOES East visible imagery
http://mesonet.agron.iastate.edu/cgi-bin/wms/goes/east_vis.cgi?
GOES West visible imagery
http://mesonet.agron.iastate.edu/cgi-bin/wms/goes/west_vis.cgi?
GOES West Alaska visible imagery
http://mesonet.agron.iastate.edu/cgi-bin/wms/goes/alaska_vis.cgi?
GOES West Hawaii visible imagery
http://mesonet.agron.iastate.edu/cgi-bin/wms/goes/hawaii_vis.cgi?
GOES East water vapor imagery
http://mesonet.agron.iastate.edu/cgi-bin/wms/goes/east_wv.cgi?
GOES West water vapor imagery
http://mesonet.agron.iastate.edu/cgi-bin/wms/goes/west_wv.cgi?
GOES West Alaska water vapor imagery
http://mesonet.agron.iastate.edu/cgi-bin/wms/goes/alaska_wv.cgi?
GOES West Hawaii water vapor imagery
http://mesonet.agron.iastate.edu/cgi-bin/wms/goes/hawaii_wv.cgi?
Note: To get the WMS capabilities, you need to add
VER=1.1.1&SERVICE=WMS&REQUEST=GetCapabilities
to the URIs above. Your WMS application may require it.
Archive
Since 20 Dec 2005, the IEM has archived 4km composites of East/West imagery.
Since 8 March 2009, water vapor channel was added to the archive as well.
Since 21 June 2011, the IEM started archiving GOES East and West vis,ir, and water vapor imagery in PNG format on the AWIPS 211 projection.
Since 14 March 2012, the IEM started archiving all of the GINI processed imagery.
22 March 2012, removed the confusing filenames of including the GOES satellite identifier in the filename. This causes problems when the satellites change from east to west.
http://mesonet.agron.iastate.edu/archive/data/2012/05/16/GIS/sat/
The URL pattern contains the year, month, and day. The datafiles have timestamps in UTC.
Online Applications
- The RADAR & NWS Warnings app provides a neat web mapping interface combining radar and satellite data along with NWS warning products.