{"ok":true,"location_name":"Rochester, NY","location":[43.1566,-77.6088],"question":"briefing","answer":"**Rochester, NY (KROC) Briefing – NWS**\n\nCurrent: 66.2°F, Cloudy, humidity 73%, SW wind 11.5 mph. Observation 19 min ago.\n\nToday: High 69°F. Showers and thunderstorms likely (60% chance). SW wind 12–15 mph.\n\nTonight: Low 58°F. Showers and thunderstorms likely (60% chance). W wind 8–14 mph.\n\nTuesday: 73°F. Rain showers likely (60%) before 2 pm, then partly sunny.\n\nTuesday night: 57°F, mostly clear.\n\nWednesday: 80°F, mostly sunny.\n\nActive alert: Beach Hazards Statement.\n\nSeven-day range: 57–83°F. NWS data.","structured":{"current":{"temperature_f":66.2,"conditions":"Cloudy","conditions_raw":"Cloudy","sky_source":"nws_textDescription","observation_age_label":"19 min ago","observation_freshness":"fresh","station_id":"KROC","wind_speed_mph":11.5,"wind_direction_compass":"SW"},"alerts":{"point_count":null,"nearby_count":null},"severe_proxy":{"method":"doc_independent","not_nws":true,"not_radiosonde":true,"not_model_grid":true,"disclaimer":"DOC independent analysis — not NWS guidance. Parameters are DOC-model estimates with hard physical caps. Not a radiosonde or official forecast. NWS is provided separately for comparison/scorekeeping only.","note":"DOC independent model with hard caps. NWS is comparison-only (see performance_vs_nws) to track if DOC outperforms official guidance.","surface_cape_jkg":798.1,"wind_shear_0_6km_ms":12.4,"supercell_composite":0.41,"significant_tornado":0.12,"tornado_probability":0.007,"severe_thunderstorm_probability":0.174,"hail_probability":0.106,"severe_risk_category":"marginal","doc_confidence":0.69,"doc_forecast":{"method":"doc_persistence_climatology_blend","next_24h_high_f":75.2,"next_24h_low_f":57.8,"precip_chance_next_24h":0.5},"performance_vs_nws":{"purpose":"Track whether DOC independent analysis outperforms NWS baseline","doc_not_derived_from_nws":true,"temperature_f":{"doc":65.8,"nws":66.2,"doc_minus_nws":-0.4,"abs_error":0.4,"doc_closer_to_nws_if_abs_lt_2":true},"today_high_f":{"doc":75.2,"nws":69,"doc_minus_nws":6.2,"abs_error":6.2},"tonight_low_f":{"doc":57.8,"nws":58,"doc_minus_nws":-0.2,"abs_error":0.2},"current_temp_verdict":"doc_tracks_nws","note":"Lower abs_error vs NWS means DOC is closer to the official observation/forecast. This does not mean DOC *is* NWS — DOC remains independent."},"nws_comparison":{"source":"NWS","role":"comparison_baseline_only","temperature_f":66.2,"conditions":"Cloudy","station_id":"KROC","observation_age_label":"19 min ago","observed_at":"2026-08-24T17:15:00+00:00","humidity":72.8,"wind_speed_mph":11.5,"today_high_f":69,"tonight_low_f":58,"period_count":14}}},"citations":[{"id":"nws-obs","label":"NWS station KROC","url":"https://api.weather.gov/stations/KROC/observations/latest","fields":["temperature_f","humidity","wind","conditions","observed_at"]},{"id":"nws-forecast","label":"NWS gridpoint / period forecast","url":"https://forecast.weather.gov/MapClick.php?lat=43.1566&lon=-77.6088","fields":["periods","hourly"]},{"id":"nws-alerts","label":"NWS active alerts","url":"https://api.weather.gov/alerts/active?point=43.1566,-77.6088","fields":["alert_count","nearby_zone_alerts"]},{"id":"doc-status","label":"Weather AGI public status","url":"/status?lat=43.1566&lon=-77.6088&location_name=Rochester, NY"}],"agi":{"available":true,"provider":"xai-grok","model":"grok-4.3"},"facts_used":{"current_temp_f":66.2,"observation_age":"19 min ago","observation_freshness":"fresh","severe_context":{"method":"doc_independent","not_nws":true,"not_radiosonde":true,"not_model_grid":true,"disclaimer":"DOC independent analysis — not NWS guidance. Parameters are DOC-model estimates with hard physical caps. Not a radiosonde or official forecast. NWS is provided separately for comparison/scorekeeping only.","note":"DOC independent model with hard caps. NWS is comparison-only (see performance_vs_nws) to track if DOC outperforms official guidance.","surface_cape_jkg":798.1,"wind_shear_0_6km_ms":12.4,"supercell_composite":0.41,"significant_tornado":0.12,"tornado_probability":0.007,"severe_thunderstorm_probability":0.174,"hail_probability":0.106,"severe_risk_category":"marginal","doc_confidence":0.69,"doc_forecast":{"method":"doc_persistence_climatology_blend","next_24h_high_f":75.2,"next_24h_low_f":57.8,"precip_chance_next_24h":0.5},"performance_vs_nws":{"purpose":"Track whether DOC independent analysis outperforms NWS baseline","doc_not_derived_from_nws":true,"temperature_f":{"doc":65.8,"nws":66.2,"doc_minus_nws":-0.4,"abs_error":0.4,"doc_closer_to_nws_if_abs_lt_2":true},"today_high_f":{"doc":75.2,"nws":69,"doc_minus_nws":6.2,"abs_error":6.2},"tonight_low_f":{"doc":57.8,"nws":58,"doc_minus_nws":-0.2,"abs_error":0.2},"current_temp_verdict":"doc_tracks_nws","note":"Lower abs_error vs NWS means DOC is closer to the official observation/forecast. This does not mean DOC *is* NWS — DOC remains independent."},"nws_comparison":{"source":"NWS","role":"comparison_baseline_only","temperature_f":66.2,"conditions":"Cloudy","station_id":"KROC","observation_age_label":"19 min ago","observed_at":"2026-08-24T17:15:00+00:00","humidity":72.8,"wind_speed_mph":11.5,"today_high_f":69,"tonight_low_f":58,"period_count":14}}},"source":"NWS facts + Grok synthesis","generated_at":"2026-08-24T17:33:55.860745Z"}