• HAST 00:31
  • AKDT 02:31
  • PDT 03:31
  • MDT 04:31
  • CDT 05:31
  • EDT 06:31
  • UTC 10:31

Overview

The CIP and FIP graphics are computer-generated three-dimensional analyses of information related to the likelihood of encountering icing conditions. This information is available for the 48 contiguous United States, much of Canada and Mexico, and their respective coastal waters.

The CIP/FIP graphics suite is automatically produced with no human modifications. Information on the graphics is determined from observational data including WSR-88D radar, satellite, pilot weather reports, surface weather reports, lightning and computer model output. The CIP represents the latest analysis of potential icing regions. Besides the most-recent analyses, a forecast of anticipated icing conditions is available in the FIP product.

CIP/FIP graphics may be used as a higher-resolution supplement to AIRMETs and SIGMETs , but not as a substitute for the icing severity and other information they provide. CIP/FIP are authorized for use as an unrestricted, supplementary weather product. See the Supplementary Weather Product Description page for a definition of these terms.

Note: Pilots of aircraft that are not certified for flight into known or forecast icing conditions should be especially cautious of areas displaying any type of icing severity, regardless of the probability indicated on CIP graphics.
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