GEOS-CF USERS:
Important Dates for Transition to CF Version 2:
Monday, Nov. 24, 2025: GEOS-CF version 2 becomes default CF system
Monday, Dec. 1, 2025: GEOS-CF version 1 is deprioritized (replay available, forecast availability contingent on adequate computing resources)
Thursday, Jan. 1, 2026: GEOS-CF version 1 data no longer produced

To stay informed about important changes to GEOS-CF, subscribe to the geos-cf-users mailing list. Either contact Rob.Lucchesi@nasa.gov directly or send an email with 'subscribe' in in the subject to geos-cf-users-join@lists.nasa.gov and follow the instructions to confirm the subscription with a follow-up email. Thank you for your interest in GEOS-CF products.

GMAO GEOS CF Datagrams

SO2 at Washington DC (38.90, -77.00)

SO<sub>2</sub> CF Datagrams for Washington DC