Enhanced IR Step 9
Current Intensity (CI) Number Rules:

1. Make the CI the same as Final-T during development, but hold higher during weakening.

2. Do not lower CI until at least 12 hours have past.

3.  3. CI will not be more that 1.0 greater than Final-T (CI can be either 0.5 or 1.0 higher than FT).
  • 4. Why hold CI higher during weakening?
    • Storm surface vorticity (spin) is conserved for a period of time, even though the cloud features seem unimpressive. 
    • CAREFUL! The storm will appear weak, but still maintain enough energy to have strong winds

    Go to Step 10 
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    For More information, contact:
    Paul  McCrone, Chief Forecaster
    HQ Air Force Weather Agency (AFWA) 
    Meteorological Satellite Applications
    Office Code: XOGM
    106 Peacekeeper Dr. STE 2N3
    Offutt AFB, NE 68113-4039

    COMM: (402) 294-2821
    DSN: 271-2821
    Fax:    (402) 294-5872

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