How to Ingest and Display Text Products into GEMPAK

How to Ingest and Display Text Products into GEMPAK

  • GEMPAK can display Operational Forecast Discussions, NWS Severe Weather Watches & Warnings, Aviation Products, Metars, Maritime Data, and others.

    • How to set up your GEMPAK LDM configuration files

  • The GEMPAK distribution includes a template script that will have the most current actions included. To see more information regarding this process vistit the GEMPAK documentation about this topic.
  • The information below is only an example of how the ldmd.conf and pqact.conf files may look. Your paths and actions may differ, but the information below should give a general idea on the process as well as descriptions and explanations of some of the terms.

    ldmd.conf

  • How to request text data via the LDM
  • ldmd.conf example entry:

    ########################################
    # Request Entries
    ########################################
    #
    # LDM servers request data from Data Sources
    #

    (request) (feedset) (pattern) (hostname pattern)
    
request	      WMO     ".*"    idd.unidata.ucar.edu [sample host pattern, yours may differ]
  • For more information regarding the WMO feed and other feedtypes, please visit: Feedtypes

    pqact.conf

  • How to "act" on the data once it is on disk in the LDM queue
  • Reminder..ALL spaces in the pqact.conf file need to be (tabs)!
  • pqact.conf example entries: 
    
# SPC Products
#
# Severe Weather Outlook (Day 1-3) ACUS0[1-3]
WMO     ^...... .... ([0-3][0-9])([0-2][0-9]).*/pSWODY([0-9])
        FILE    data/gempak/nwx/spc/day\3/(\1:yyyy)(\1:mm)\1\2.day\3
#
# Convective Outlook Areal Outline (Day 1-3) WUUS0[1-3] KWNS
WMO     ^...... .... ([0-3][0-9])([0-2][0-9]).*/pPTSDY([0-9])
        FILE    data/gempak/nwx/spc/day\3/(\1:yyyy)(\1:mm)\1\2.ptsdy\3
#
# Thunderstorm/Tornado Watch Areas + Discussion
WMO     ^WWUS20 .... ([0-3][0-9])([0-2][0-9])
        FILE    data/gempak/nwx/spc/watch/(\1:yyyy)(\1:mm)\1\2.watch
#
# Thunderstorm/Tornado Watch Areas
WMO     ^WWUS30 KWNS ([0-3][0-9])([0-2][0-9])
        FILE    data/gempak/nwx/spc/watch/(\1:yyyy)(\1:mm)\1\2.wtch2
#
# Watch outline update (WOU)
WMO     ^...... .... ([0-3][0-9])([0-2][0-9]).*/pWOU
        FILE    data/gempak/nwx/spc/wou/(\1:yyyy)(\1:mm)\1\2.wou
#
# Public Outlook
WMO     ^WOUS40 .... ([0-3][0-9])([0-2][0-9])
        FILE    data/gempak/nwx/spc/public/(\1:yyyy)(\1:mm)\1\2.public
# International Temp/Precip Summary
WMO     ^ABUS2[3-6] .... ([0-3][0-9])([0-2][0-9])
        FILE    data/gempak/nwx/spc/tp_summ/(\1:yyyy)(\1:mm)\1\2.tp_summ
WMO     ^ABXX0[567] .... ([0-3][0-9])([0-2][0-9])
        FILE    data/gempak/nwx/spc/tp_summ/(\1:yyyy)(\1:mm)\1\2.tp_summ
WMO     ^ABCA01 .... ([0-3][0-9])([0-2][0-9])
        FILE    data/gempak/nwx/spc/tp_summ/(\1:yyyy)(\1:mm)\1\2.tp_summ
WMO     ^FPCN60 .... ([0-3][0-9])([0-2][0-9])
        FILE    data/gempak/nwx/spc/tp_summ/(\1:yyyy)(\1:mm)\1\2.tp_summ
WMO     ^WBCN02 .... ([0-3][0-9])([0-2][0-9])
        FILE    data/gempak/nwx/spc/tp_summ/(\1:yyyy)(\1:mm)\1\2.tp_summ
WMO     ^ABCN01 .... ([0-3][0-9])([0-2][0-9])
        FILE    data/gempak/nwx/spc/tp_summ/(\1:yyyy)(\1:mm)\1\2.tp_summ
# NHC Products
#
# Outlooks
WMO     ^ABNT20 KNHC ([0-3][0-9])([0-2][0-9])
        FILE    data/gempak/nwx/nhc/outlook/(\1:yyyy)(\1:mm)\1\2.outlk
WMO     ^ACPN50 PHFO ([0-3][0-9])([0-2][0-9])
        FILE    data/gempak/nwx/nhc/outlook/(\1:yyyy)(\1:mm)\1\2.outlk
WMO     ^ABPZ20 KNHC ([0-3][0-9])([0-2][0-9])
        FILE    data/gempak/nwx/nhc/outlook/(\1:yyyy)(\1:mm)\1\2.outlk
WMO     ^ABCA33 TJSJ ([0-3][0-9])([0-2][0-9])
        FILE    data/gempak/nwx/nhc/outlook/(\1:yyyy)(\1:mm)\1\2.outlk
WMO     ^ABPW10 PGTW ([0-3][0-9])([0-2][0-9])
        FILE    data/gempak/nwx/nhc/outlook/(\1:yyyy)(\1:mm)\1\2.outlk

    GEMPAK Home Page

    If you have additional questions they should be directed to:
    support-gempak@unidata.ucar.edu