Page 15 - Volume 15 Number 1

Advice
by Scott C. Dennstaedt
JANUARY 2011
On Ja
n
ary 18, 2011, the
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products, namely, FIP Probability, FIP Severity and FIP SLD. This also includes the 25 percent and 50 percent masked FIP severity, which effectively combines the probability field with the severity field. The FIP SLD field will be overlaid on the severity field as it currently does with CIP severity.
With the addition of these products, FIP is also getting its turn to be calibrated. While the FIP severity field and FIP SLD field will look similar to the operational CIP counterpart, the FIP probability field will look a whole lot different especially at forecast lengths of 6 hours and beyond.
Like CIP SLD, the FIP SLD field will remain uncalibrated at this point. Therefore, the depiction on ADDS will show all possible SLD events independent of the likelihood.
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is following in the footsteps of its analysis counterpart, the Current Icing Product (CIP).
Four years ago, the Current Icing Potential underwent a similar transition to a suite of three products, namely, CIP Probability, CIP Severity and CIP Supercooled Large Drops (or CIP SLD). FIP will undergo this same transformation early in 2011, but this new version of FIP carries more than just a simple name change.
The new incarnation of FIP will also consist of a suite of three
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­TWIN & TURBINE • ­13