Upper Level Winds: |  SPC Soundings        250mb Jet Stream Loop        Sounding Maker        Low Level Winds

Winds & Vorticity GFS 500 MB      Current |  12HR |  24HR |  36HR |  48HR |  60HR |  72HR |  Animated
Winds & Isotachs  GFS 200 MB      Current |  12HR |  24HR |  36HR |  48HR |  60HR |  72HR |  Animated

Rawinsonde Plots From UCAR      925mb |  850mb |  700mb |  500mb |  300mb |  250mb |  200mb
Rawinsonde with Wind contours    925mb |  850mb |  700mb |  500mb |  300mb |  250mb |  200mb

42000ft | 00hr | 01hr | 02hr | 03hr | 04hr | 05hr | 06hr | 07hr | 08hr | 09hr | 10hr | 11hr | 12hr | 13hr | 14hr | 15hr | 16hr | 17hr | 18hr |

36000ft | 00hr | 01hr | 02hr | 03hr | 04hr | 05hr | 06hr | 07hr | 08hr | 09hr | 10hr | 11hr | 12hr | 13hr | 14hr | 15hr | 16hr | 17hr | 18hr |

30000ft | 00hr | 01hr | 02hr | 03hr | 04hr | 05hr | 06hr | 07hr | 08hr | 09hr | 10hr | 11hr | 12hr | 13hr | 14hr | 15hr | 16hr | 17hr | 18hr |

Low Level Winds
6000ft | 00hr | 01hr | 02hr | 03hr | 04hr | 05hr | 06hr | 07hr | 08hr | 09hr | 10hr | 11hr | 12hr | 13hr | 14hr | 15hr | 16hr | 17hr | 18hr |

12000ft | 00hr | 01hr | 02hr | 03hr | 04hr | 05hr | 06hr | 07hr | 08hr | 09hr | 10hr | 11hr | 12hr | 13hr | 14hr | 15hr | 16hr | 17hr | 18hr |

18000ft | 00hr | 01hr | 02hr | 03hr | 04hr | 05hr | 06hr | 07hr | 08hr | 09hr | 10hr | 11hr | 12hr | 13hr | 14hr | 15hr | 16hr | 17hr | 18hr |

24000ft | 00hr | 01hr | 02hr | 03hr | 04hr | 05hr | 06hr | 07hr | 08hr | 09hr | 10hr | 11hr | 12hr | 13hr | 14hr | 15hr | 16hr | 17hr | 18hr |

Sounding Makers

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,
Name(s), "lat,lon",
Site(s):
(Explanation of GSD format.)
Tutorial from Texas A & M

North America Model 250mb Jet Stream Loop (0-84 hour)

(1200z Model Run)