# NCAR x NOAA (Extreme Weather Research) revision history

Append-only Arc G field-change log. Forward-only honesty: events accrue from Arc G adoption.

Partnership: [NCAR x NOAA (Extreme Weather Research)](/partnerships/ncar-x-noaa-extreme-weather-research.md)

## Recorded posture

- First recorded event: 2024-12-10
- Last material change: 2024-12-10
- Material event count: 1
- Editorial event count: 0

## Forward-only note

Arc G is forward-only. The event log accrues from the Arc G adoption point. Fields with no events post-baseline equal the current cached value and are not independently verified at any prior date.

_Canonical URL: /partnerships/ncar-x-noaa-extreme-weather-research/history. REST: /v1/partnerships/250041d4-17a6-4a41-9dab-1cbef46e99db/history. HTML: [/partnerships/ncar-x-noaa-extreme-weather-research/history](/partnerships/ncar-x-noaa-extreme-weather-research/history)._