[MX] environmental 8.0 — Extreme UV: UV Index 11.7 in Mexico

Declared from 1 signals. OVIX 8. News 2. BPO 3. Geo-exposure floor (agents-034): declared on major member exposure (density high/very_high) past the LLM footprint gate.

Auto-validated: SEV3 per policy.

External corroboration: corroborated (3 sources via Exa). aztecayucatan.com, 24horasyucatan.mx, infobae.com

Merged new cluster (1 signals, OVIX 8, regions MX) — same domain+region, active <24h.

Auto-closed: no new material events within 36h for this incident.

Checked in order against open same-domain incidents (never an aggregate-titled bucket): (1) ENTITY key, region-independent, incident active <14d (updated_at): shared CVE id, OR (cyber) >=2 shared distinctive vendor/product tokens (1 suffices when it carries a digit, i.e. a product model), OR same network/AS key (agents-022). (2) EPISODE key (weather/environmental/disaster), incident active <7d: same hazard family (heat/tornado/flood/cyclone/winter/wildfire/storm) AND same macro-region (eu | us/<census region> | country code). (3) Legacy region-overlap + title-word dedup, active <24h (v5 unchanged). Merge unions affected_regions + related_signal_ids + material_event_keys, bumps event_count, advances the material clock, renders the merged regions into the description ("Affected regions:" trailer), logs stage=declare decision=merge (engine deterministic), and unions the evidence projection’s signal sources.

Base: SEV2 if sev>=9 AND news>=2 AND bpo>=1; else SEV3 if sev>=8 AND (news>=1 OR bpo>=1); else SEV4. Acute severe-weather (agents-028): if sev>=9 floor to SEV3 (SEV2→SEV3); minor/transient watches+advisories drop SEV2/SEV3→SEV4. Single-event cap: any SEV2 caps to SEV3 absent sustained multi-day BPO-region corroboration (SEV2 promotion is human-gated via revalidation). score = numeric SEV (1=most severe … 4); SEV3/SEV4 auto-validate, SEV1/SEV2 require human validation.