The February 28 - March 1, 2005 Snowstorm

National Weather Service Binghamton

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    Index of Slides

    1. The February 28 - March 1, 2005 Snowstorm
    2. Outline
    3. NAM 24-hour 500 mb heights and vorticity valid 03/01 00 UTC.
    4. NAM 30-hour 500 mb heights and vorticity valid 03/01 06 UTC.
    5. GFS 30-hour 500 mb heights and vorticity valid 03/01 06 UTC.
    6. NAM 36-hour 500 mb heights and vorticity valid 03/01 12 UTC.
    7. NAM 700 mb heights and relative humidity valid 01/03 00 UTC.
    8. NAM 700 mb heights and relative humidity valid 03/01 06 UTC.
    9. GFS 700 mb heights and relative humidity valid 3/01 06 UTC.
    10. NAM 700 mb heights and relative humidity valid 3/1 12 UTC.
    11. NAM sea-level pressure valid 3/1 00 UTC.
    12. NAM sea-level pressure valid 3/1 06 UTC.
    13. GFS sea-level pressure valid 3/1 06 UTC
    14. NAM sea-level pressure forecast valid 3/1 12 UTC.
    15. NAM 24-hour QPF through 3/1 12 UTC.
    16. GFS 24-hour QPF valid 3/1 12 UTC.
    17. Summary of Basic Model Fields From the 2/28 00 UTC Runs
    18. NAM 700 mb frontogenesis valid 3/1 06 UTC.
    19. GFS 700 mb frontogenesis valid 3/1 06 UTC.
    20. NAM frontogenesis, omega, negative EPV and RH, valid 3/1 06 UTC.
    21. GFS frontogenesis, omega, negative EPV, and RH valid 3/1 06 UTC.
    22. NAM vertical motion and divergence valid 01/06 UTC
    23. GFS vertical motion and divergence valid 01/06 UTC.
    24. NAM and GFS 500 mb wind and divergence valid 1/06 UTC.
    25. NAM pressure, wind and adiabatic omega on a 300 K isentropic surface
    26. GFS pressure, wind and adiabatic omega on the 300 K isentropic surface
    27. Summary of the more detailed model diagnostics from the 28/00 UTC model runs.
    28. WRF 24-hour forecast sea-level pressure valid 03/01 00 UTC.
    29. WRF 36-hour sea-level pressure valid 03/01 12 UTC.
    30. WRF 24-hour reflectivity forecast valid 03/01 00 UTC.
    31. WRF 24-hour reflectivity valid 03/01 06 UTC.
    32. WRF 30-hour forecast reflectivity valid 03/01 12 UTC.
    33. Summary of the WRF forecast
    34. So what happened???
    35. RUC 500 mb heights and vorticity analysis at 01/06 UTC
    36. RUC 700 mb heights and relative humidity analysis at 01/06 UTC.
    37. RUC sea-level pressure analysis valid 01/06 UTC.
    38. RUC 700 frontogenesis analysis valid 01/06 UTC.
    39. RUC frontogenesis, vertical motion, EPV and RH valid 1/06 UTC.
    40. RUC vertical motion and divergence valid 03/01 06 UTC.
    41. RUC 500 mb divergence and wind analysis at 03/01 06 UTC.
    42. RUC pressure, wind and adiabatic omega analysis at 03/01 06 UTC
    43. Summary of Comparisons Between the RUC Analysis and the NAM and GFS Forecasts at 03/01 06 UTC.
    44. Comparisons Between the RUC, NAM and GFS at 03/01 06 UTC… continued.
    45. Comparisons Between the RUC, NAM and GFS at 03/01 06 UTC… continued.
    46. Comparisons Between the RUC, NAM and GFS at 03/01 06 UTC… continued.
    47. IR satellite image at 01/03 00 UTC.
    48. KBGM radar reflectivity at 01/02 UTC.
    49. KBGM radar reflectivity at 01/04 UTC.
    50. KBGM radar reflectivity 03/06 UTC.
    51. Snowfall observations through 03/01 12 UTC.
    52. Final conclusion regarding the all important model QPF…
    53. Final Summary

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