▁well . ▁This ▁information ▁includes ▁spectral ▁( harm on ics ▁of ▁diver gence ▁and ▁v ort icity ) ▁vs ▁gr idd ed ▁data ▁( G aussian , ▁X - Y ▁grid ), ▁horizontal ▁resolution , ▁and ▁the ▁location ▁of ▁the ▁origin . ▁ ▁Software ▁ ▁App lications ▁ ▁A ▁number ▁of ▁application ▁software ▁packages ▁have ▁been ▁written ▁which ▁make ▁use ▁of ▁G RI B ▁files . ▁ ▁These ▁range ▁from ▁command ▁line ▁util ities ▁to ▁graph ical ▁visual isation ▁packages . ▁▁ ▁AT MO GR AP H ▁Model Vis ▁Com mer cial ▁numerical ▁weather ▁model ▁data ▁visual ization ▁software ▁capable ▁of ▁dec oding ▁and ▁displaying ▁both ▁G RI B ▁ 1 ▁and ▁G RI B ▁ 2 ▁data ▁formats ▁ ▁Arc G IS ▁Market ▁leading ▁G IS ▁software ▁ ▁Ex ped ition ▁– ▁Ex ped ition ▁is ▁the ▁S ail ing ▁navigation ▁and ▁weather ▁application . ▁G rib ▁display ▁and ▁download ▁from ▁many ▁sources ▁is ▁free . ▁ ▁W G RI B ▁Command ▁line ▁based ▁program ▁to ▁manipulate , ▁invent ory ▁and ▁decode ▁G RI B 1 ▁files ▁ ▁Gr AD S , ▁free ▁command ▁line ▁based ▁desktop ▁application ▁that ▁directly ▁handles ▁G RI B 1 ▁and ▁G RI B 2 ▁files ▁▁ ▁Pic og rib ▁G RI B   1 ▁C - language ▁( FOR TRAN ▁call able ) ▁free ▁dec oding ▁package ▁compatible ▁to ▁some ▁extent ▁with ▁EC MW F ▁G RI B EX ▁routine ▁ ▁N CE P ▁codes ▁free ▁software ▁( C ▁and ▁FOR TRAN ▁library ) ▁for ▁dec