The NWS eMail Data Input System (EDIS) is a procedure that allows designated meteorological data providers the capability to input weather bulletins to the National Weather Service Telecommunication Gateway (NWSTG) - also known as the Regional Telecommunication Hub (RTH), via eMail.

General Rules

1. All input is ALPHANUMERIC ONLY in the current version.
   
   
2. The WMO Bulletin - (See WMO Message Structure for Full Details)
1. The eMail information submitted is the WMO bulletin
   
2. The content of the WMO bulletin is:
   • An abbreviated heading line
   • T1T2A1A2ii CCCC YYGGgg [BBB]
   • Message text
     
3. The email is submitted to the RTH via EDIS using a predefined eMail address.

EDIS Submission Rules and Definitions

1. Messages must be sent in ASCII (plain text or alphanumeric code form, do not use html or rich text).
   
2. Two options are available for sending messages:
       a. Messages may be sent as an attachment to the email (the attachment must have an extension .txt), or
       b. Messages may be sent in the body of an eMail.
   
3. The body of an email shall remain empty if attachments are used.
   
4. One to five attachments are allowed per eMail.
   
5. An attachment or body may contain one or more messages.
   
6. The "subject line" shall contain: EDIS Message Input .
   
7. The WMO abbreviated heading line and message text are the only required data for this email input form.
   
8. The WMO abbreviated heading is entered in capital letters.
   
9. The format of the WMO Abbreviated Heading Line is: T1T2A1A2ii   CCCC   [NNNXXX] YYGGgg   (BBB) .
   
10. The data time fields in the abbreviated heading must be current and meet the WMO standards of the Manual 386 Part II.
    
11. The Pxx option of the BBB optional group is not allowed.
    
12. The CCCC is the location identifier of origin of the "MESSAGE TEXT" being entered.
    
13. The abbreviated heading T1T2A1A2ii CCCC must be previously defined at the RTH and will be validated against the NWS Switching Directory.
    
14. No ASCII character control notations are required except for the report separator [ = ] signal.
    
15. Each message must be ended with NNNN.

An Example of the Attachment or eMail Body:

    SMMF01 TFFR 010000
    AAXX 01124/
    78890 36/// /0508 10244 20209 30120 40158 53016/ 333
    10281 20228 58005=
    NNNN
		  
    NTUS99 KNCF 031430
    THIS IS A COMMUNICATIONS TEST MESSAGE ORGINATING FROM THE NMTR
    SYSTEM IN SILVER SPRING  IT IS SET TO TRANSMIT EVERY MINUTE
    24 HOURS PER DAY, SEVEN DAYS PER WEEK
    VIA A CRON JOB ON THE DS1-NMTR.ER SERVER.
    NNNN