How to get NOAA VIIRS Active Fires products ?


Example of how to get NOAA JPSS Visible Infrared Imaging Radiometer Suite (VIIRS) Active Fires Environmental Data Record (EDR):

Register & Login on NOAA CLASS Website

To order data, go to NOAA CLASS Website (The Comprehensive Large Array-data Stewardship System (CLASS))

Step 1: Create an account: go to "User Profile" in the left sidebar:

How to get NOAA VIIRS Active Fires products ?

Step 2: login

How to get NOAA VIIRS Active Fires products ?

Step 3: Order data

How to get NOAA VIIRS Active Fires products ?

How to get NOAA VIIRS Active Fires products ?

Step 4: check your email

Get data through FTP

Step 1: check if ftp is installed. Launch a terminal and enter:

ftp help

On mac if it returns an error, installed ftp using brew for example:

brew install inetutils

To install brew on mac:

/bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"

Step 2: start ftp connexion using command line

ftp ftp.avl.class.noaa.gov

Step 3: Go to the directory corresponding to your order (available in the email sent by NOAA CLASS). For example:

ftp > cd 297076/8228057743

Step 4: show all files using nlist

ftp > nlist

Step 5: since files are stored in a .tar archive, change ftp transfer mode to binary:

ftp > binary

Step 6: To turn-off prompt validation message, enter

ftp > prompt

To avoid the confirmation message for each file downloaded.

Step 7: get only one file

get filename.tar

get all files in a directory

mget -i *.tar .

done

Step 8: quit ftp

ftp > quit

Untar Files

To untar a single tar archive:

tar -xf filename.tar

To untar all tar archive files:

for FILE in *; do tar -xf $FILE; done
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