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Severe weather Outlooks

Sounding Maker

Initial data source: Op40 (to 18h, NCEP 13km RAP on CONUS 40km grid, hourly, formerly "RUC") or
Bak40 (to 24h, Backup 13km RUC on CONUS 40km grid, hourly, formerly "MAPS") or
FIM (to 5 days, Global, 0.5° grid, 12-hourly) or
GFS (to 5 days, Global, 0.5° grid, 12-hourly) or
NAM (to 15h, 3-hourly) or

--- slower-to-load, high-server-load, or special purpose soundings below ---
RAP_221, (RAP entire domain including AK, at 32km)
RAP, (Rapid Refresh, CONUS, except entire domain with hydrometeors at RAOB times, 13km)
RRnc (Rapid Refresh, non-cycling, every 12h)
Op20 (NCEP 13km RAP on 20km grid) or Bak20 (Backup 13km RUC on 20km grid)
Dev1320 (Dev13 on 20 km grid)
RETRO (special restores) or CIMSS (special RAOBs)

Start Valid Time: Latest, or - : UTC
Number of hours:        Desired forecast projection
Name(s), "lat,lon",
Site(s):
(Explanation of GSD format.)
Tutorial from Texas A & M