According to the ACAPS INFORM Severity Index, 2026-10 release, the severity score for the Drought in Zambia crisis (ZMB002) rose from 6.2 in September 2026 to 6.5 in October 2026, an increase of 0.3 against the previous month's analysis. This change equals the rule's minimum index change of 0.3. The severity category stayed at 4.0 in both months. ACAPS records drought and drier conditions as the driver of this crisis.
| Rule | INFORM Severity moving between releases |
| Period | 2026-10 |
| Crisis | Drought in Zambia |
| Index before | 6.2 |
| Index after | 6.5 |
| Change | 0.3 |
| Category before | 4 |
| Category after | 4 |
| Judged against | an index move of 0.3 or a category change. Fired on: index. |
| Detected | 30 October 2026, run 51 |