GOES Infrared
Description
Infrared measurements taken by GOES satellite near EPIC from August 16 to October 31 of 2001. These image were converted to Candis format in the shell script cdtocdf.sh, which uses the mctranspng command. This gave the files unique names of the form:
i-sat.itype-year.day.hour.minute-xcoor.xres.ycoor.yres
The meanings of the fields are as follows:
- i
- indicates that this is a satellite image
- sat
- number of satellite
- itype
- type of image; 1 for visible, 80 or 8 for infrared, 200 or 4 for water vapor (GOES and GVAR)
- year
- four digit year
- day
- day of year
- hour, minute
- GMT time
- xcoor, ycoor
- coordinates of upper left corner of image
- xres, yres
- x and y resolution of image
Then the images were reduced and mapped to a latitude longitude grid in the shell script latlon.sh using the mcmap command. This new grid was bounded by 110-80W and 0-20N, and has points every quarter (0.25) of a degree.
![[Coastline of this region.]](region.png)
Finally, the Candis files were gzipped.
Contents
| Type | Size | Name | Notes |
|---|---|---|---|
| directory | - | aug-b/ | August 16 - 31 |
| shell script | 121B | cdtocdf.sh | converts images to Candis format; uses the mctranspng command |
| shell script | 101B | latlon.sh | reduces and maps images in Candis files created by cdtocdf.sh to a latitude longitude grid; uses the mcmap command |
| directory | - | oct-a/ | October 1 - 15 |
| directory | - | oct-b/ | October 16 - 31 |
| PNG image | 4kB | region.png | the above image of the region |
| directory | - | sep-a/ | September 1 - 15 |
| directory | - | sep-b/ | September 16 - 30 |