{"metro":"chicago","metroInfo":{"city":"chicago","display_name":"Chicago, US","metro_label":"Chicago, 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VFR; Gary/Chicago International: VFR; Midway International: VFR; O'Hare International: VFR; Chicago Executive: VFR; Chicago Rockford International: VFR","trend_avg_interest":"0.0","fred_series_count":"0","open_infrastructure_requests":"167","infrastructure_summary":"road 9; structural 20; 16 critical open"},"stressComponents":{"city_stress_index":"98.76","transit_load_score":"40.0","weather_risk_score":"25.0","precip_risk_score":"2.01","disruption_ratio_score":"15.0","infra_risk_score":"15.0","airport_ops_score":"1.75","active_transit_alerts":"149","active_noaa_alerts":"10","active_civic311_requests":"1650","avg_precip_pct_next_periods":"9.16","reroute_count":"96","delay_count":"3","infrastructure_failure_risk":"100.0","infrastructure_fatigue_risk":"100.0","bridge_risk_score":"0.0","road_surface_risk_score":"9.0","open_infrastructure_requests":"167","mllib_z_score":"12.166"},"freshness":{"data_refreshed_at":"2026-06-03T06:02:57.111072+00:00","last_weather_ingest_at":"2026-06-03T06:02:46.307006+00:00","last_transit_ingest_at":"2026-06-03T06:02:46.783009+00:00","last_civic311_ingest_at":"2026-06-03T06:02:55.983065+00:00","last_airport_ingest_at":"2026-06-03T06:02:56.343067+00:00"},"anomalies":[{"city":"chicago","snapshot_at":"2026-06-03T06:18:47.135456+00:00","signal_type":"mllib_multivariate_spike","metric":"mllib_z_score","observed":"12.166","baseline":"0.0","z_score":"12.17","severity":"high","message":"Multivariate stress score elevated vs pulse_history"},{"city":"chicago","snapshot_at":"2026-06-03T06:18:47.135456+00:00","signal_type":"transit_alert_spike","metric":"active_transit_alerts","observed":"149.0","baseline":"131.1","z_score":"3.23","severity":"high","message":"Transit alert volume 149.0 is above baseline (131.1, z=3.23, history)"},{"city":"chicago","snapshot_at":"2026-06-03T06:18:47.135456+00:00","signal_type":"precip_forecast_spike","metric":"avg_precip_pct_next_periods","observed":"9.16","baseline":"3.89","z_score":"2.91","severity":"medium","message":"Forecast precipitation 9.2 is above baseline (3.9, z=2.91, history)"},{"city":"chicago","snapshot_at":"2026-06-03T06:18:47.135456+00:00","signal_type":"civic311_spike","metric":"active_civic311_requests","observed":"1650.0","baseline":"1035.0","z_score":"2.41","severity":"medium","message":"Open 311 / civic requests 1650.0 is above baseline (1035.0, z=2.41, 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