Arctic Text Products

Products:
North ASCII
MIZ
Ice Extent
SPAROS

Description: ASCII text files with ice boundary lines identified by latitude and longitude pair sequence
ASCII Format - contains ice lines at the ice edge and pack ice (ice concentration 80% and greater) boundaries
1. North ASCII - Shows the daily Ice Edge data to the nearest 1/10th of a degree

Rainform OTH - a text format with a DoD defined header and body that latitude and longitude pairs follow
1. MIZ - outlines ice edge and marginal ice zone (concentration up to 80%) boundaries within the Arctic
2. Ice Extent - outlines ice edge boundary
3a. SPAROSPAC1 - outlines the ice edge within the North Pacific Ocean
3b. SPAROSPAC2 - outlines the pack ice boundary (concentration at 80% or greater) within the North Pacific Ocean
3c. SPAROSPAC3 - outlines the 48-hour forecast ice edge within the North Pacific Ocean
3d. SPAROSLANT1 - outlines the ice edge within the North Atlantic Ocean
3e. SPAROSLANT2 - outlines the pack ice boundary (concentration at 80% or greater) within the North Atlantic Ocean
3f. SPAROSLANT3 - outlines the 48-hour forecast ice edge within the North Atlantic Ocean

Coverage Area: Arctic and subarctic waters

Format: ASCII

Periodicity: Daily

Dissemination: USNIC website, CTG 80.7 Portal, NEP-Oc IC Portal