Changes in NOAA Weather Data

Changes in NOAA Weather Data

Surface weather systems will be tracked only with 500 Mb charts.

By Victor Wejer - 17/04/2018

NOAA will start showing only 500 Mb charts for movement of surface weather systems! Effective March 7th, 2018, no more 1000 Mb or SFC. Furthermore, changes to the 500 Mb charts that were implemented on November 13th, 2017 may be confusing to mariners and may make it difficult for sailors to decipher what's up ahead.

For an in depth discussion of the changes, see Lee Chesnau's blog post:

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