Service Interruption

The NSIDC Web site and data services are currently having intermittent problems and may be unavailable. We are working to restore these services as soon as possible and apologize for any inconvenience this may cause. Please contact NSIDC User Services for assistance.

Meridional Vapor Flux Data Maps

These maps show monthly-mean meridional vapor flux data for the surface to 300 mb.


January Map


July Map