Rating
United Kingdom risk rating
Activity gradeBindex 25.0/100
Operational statusGreen
Last updated26m ago
Current assessment · Model activity-rating-2
Computed: 2026-10-12 03:53:17 UTC · Valid until: 2026-10-12 05:53:17 UTC
Coverage is selective. Missing or expired assessments do not mean zero hazard. Scores are heuristic indices, not calibrated probabilities. Model cards and limits
- state:
- partial
- missing Country:
- unassessed
- country Limit:
- 100
- forecast:
- assessed
- population Metric:
- urban event exposures not unique people
The rating is a composite index of reported activity; it does not measure structural vulnerability or coping capacity. It shares inputs with the Calamity Forecast Index. Neither index is a calibrated event probability. Model cards and formulas.
Rating components
Summed event intensity12.0/100
Scenario weight0.0/100
Cumulative urban PEI68.6/100
CFI activity proxy40.5/100
Recorded hazard contributions
Flood
Mean event index: 30/100 · Eligible records: 2
Rating history
- BtoBindex 34 → 2513h agoActivity score changed from 34 to 25Current dominant event: Flood Alert — East Anglia (CalamityScore 30); cause of change not attributedseverity component 19.8 → 12.0population component 100.0 → 68.6
Activity score changed from 34 to 25. Current dominant event: Flood Alert — East Anglia (CalamityScore 30); cause of change not attributed. severity component 19.8 → 12.0. population component 100.0 → 68.6. Context: EVENT: Flood Alert — East Anglia — GB Detected: 2026-10-11T14:52:33.000Z CalamityScore: 30/100 Severity: medium URBAN EXPOSURE INDEX: 342,998 weighted city population units; not unique people or a census of the affected area CONTEXT: Country: GB. Consult current official local emergency instructions. This automated index does not issue evacuation orders. No scenario matched the configured rules; this does not establish absence of risk.
- BtoBindex 37 → 34Yellow → Green18h agoOperational status changed from yellow to greenCurrent dominant event: Flood Alert — East Anglia (CalamityScore 39); cause of change not attributedseverity component 27.6 → 19.8forecast component 42.0 → 40.5
- CtoBindex 43 → 3720h agoCountry rating changed from C to B (score 43 → 37)Current dominant event: Flood Alert — East Anglia (CalamityScore 39); cause of change not attributedseverity component 41.6 → 27.6forecast component 45.0 → 42.0
- CtoCindex 48 → 431d agoActivity score changed from 48 to 43Current dominant event: Flood Alert — East Anglia (CalamityScore 39); cause of change not attributedseverity component 53.6 → 41.6forecast component 46.5 → 45.0
- CtoCindex 54 → 481d agoActivity score changed from 54 to 48Current dominant event: Flood Alert — East Anglia (CalamityScore 39); cause of change not attributedseverity component 67.6 → 53.6forecast component 49.5 → 46.5
- CtoCindex 60 → 541d agoActivity score changed from 60 to 54Current dominant event: Flood Alert — East Anglia (CalamityScore 39); cause of change not attributedseverity component 80.8 → 67.6
- CtoCindex 53 → 602d agoActivity score changed from 53 to 60Current dominant event: Flood Alert — Kent, South London and East Sussex (CalamityScore 39); cause of change not attributedseverity component 65.2 → 80.8forecast component 48.0 → 49.5
- CtoCindex 44 → 532d agoActivity score changed from 44 to 53Current dominant event: Flood Alert — East Anglia (CalamityScore 39); cause of change not attributedseverity component 43.4 → 65.2forecast component 45.0 → 48.0
- BtoCindex 35 → 44Green → Yellow2d agoCountry rating changed from B to C (score 35 → 44)Operational status changed from green to yellowCurrent dominant event: Flood Alert — East Anglia (CalamityScore 39); cause of change not attributedseverity component 21.6 → 43.4forecast component 40.5 → 45.0
- AtoBindex 15 → 353d agoCountry rating changed from A to B (score 15 → 35)Current dominant event: Flood Alert — Cumbria and Lancashire (CalamityScore 39); cause of change not attributedseverity component 6.0 → 21.6population component 34.3 → 100.0
- BtoAindex 34 → 153d agoCountry rating changed from B to A (score 34 → 15)Current dominant event: Flood Alert — East Anglia (CalamityScore 30); cause of change not attributedseverity component 19.8 → 6.0population component 100.0 → 34.3
- BtoBindex 37 → 34Yellow → Green3d agoOperational status changed from yellow to greenCurrent dominant event: Flood Alert — Hertfordshire and North London (CalamityScore 39); cause of change not attributedseverity component 25.8 → 19.8forecast component 42.0 → 40.5
- BtoBindex 33 → 37Green → Yellow3d agoOperational status changed from green to yellowCurrent dominant event: Flood Alert — Hertfordshire and North London (CalamityScore 39); cause of change not attributedseverity component 18.0 → 25.8forecast component 40.5 → 42.0
- BtoBindex 36 → 33Yellow → Green3d agoOperational status changed from yellow to greenCurrent dominant event: Flood Alert — East Anglia (CalamityScore 30); cause of change not attributedseverity component 24.0 → 18.0forecast component 42.0 → 40.5
- AtoBindex 15 → 36Green → Yellow4d agoCountry rating changed from A to B (score 15 → 36)Operational status changed from green to yellowCurrent dominant event: Flood Alert — East Anglia (CalamityScore 30); cause of change not attributedseverity component 6.0 → 24.0population component 34.3 → 100.0forecast component 40.5 → 42.0
- BtoAindex 25 → 154d agoCountry rating changed from B to A (score 25 → 15)Current dominant event: Flood Alert — East Anglia (CalamityScore 30); cause of change not attributedseverity component 12.0 → 6.0population component 68.6 → 34.3
- AtoBindex 7 → 256d agoCountry rating changed from A to B (score 7 → 25)Current dominant event: Flood Alert — East Anglia (CalamityScore 30); cause of change not attributedseverity component 1.8 → 12.0population component 0.0 → 68.6
- AtoAindex 14 → 7Orange → Green9d agoOperational status changed from orange to greenCurrent dominant event: Moderate Wildfire (CalamityScore 9); cause of change not attributedseverity component 13.2 → 1.8population component 13.6 → 0.0forecast component 39.0 → 40.5
- AtoAindex 19 → 1411d agoActivity score changed from 19 to 14Current dominant event: Moderate Wildfire (CalamityScore 48); cause of change not attributedseverity component 23.2 → 13.2population component 26.0 → 13.6forecast component 27.8 → 39.0
- AtoAindex 14 → 1911d agoActivity score changed from 14 to 19Current dominant event: Unhealthy Air Quality (AQI 154) (CalamityScore 50); cause of change not attributedseverity component 13.2 → 23.2population component 13.6 → 26.0forecast component 39.0 → 27.8