Calamity

🇺🇸 United States Risk Rating

Grade

D

score 69.0

Operational Status

red

Last Updated

6m ago

The Risk Rating reflects the multi-hazard situation as of the date above. For forward-looking risk assessment, see the Calamity Forecast Index.

Rating History

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Country rating changed from E to D (score 85 → 69)Major Flooding — Lewisville Lk nr Lewisville, TX, VA (CalamityScore 70)

EVENT: Major Flooding — Lewisville Lk nr Lewisville, TX, VA — US Detected: 2026-09-04T21:12:21.932Z CalamityScore: 70/100 Severity: critical POPULATION AT RISK: Estimated 758,070 people within impact zone HISTORICAL CONTEXT: This is a significant river_flood event requiring immediate attention. Location: US region. RECOMMENDED ACTIONS: Activate national search & rescue teams. Deploy field hospitals. Assess structural damage in epicentral area. Establish evacuation corridors for aftershock ris

Forecast for United States →Active events in United States →