{"ok":true,"fallback_ok":true,"location_name":"Rochester, NY","location":[42.6526,-73.7562],"question":"briefing","answer":"DOC research fallback for: briefing\nNow in Rochester, NY: 53.6°F, Cloudy.\nNext periods:\n- Overnight: 44°F, Rain Showers Likely\n- Friday: 70°F, Showers And Thunderstorms\n- Friday Night: 41°F, Rain Showers\n- Saturday: 49°F, Partly Sunny\nActive point alerts: 0; nearby zone alerts: 0.\nSevere proxy: tornado≈0.0, severe_tstm≈0.08, CAPE≈150.0 J/kg.\nNWS brief: Now: 53.6°F, Cloudy. Observation age: 14 min ago. Wind ~12.7 mph. Next period (Friday): 70°F, Showers And Thunderstorms. Overnight: 44°F, Rain Showers Likely. No active NWS watches/warnings at this point.\nSource: NWS facts only (LLM unavailable).","structured":{"current":{"temperature_f":53.6,"conditions":"Cloudy","conditions_raw":"Cloudy","sky_source":"nws_textDescription","observation_age_label":"14 min ago","observation_freshness":"fresh","station_id":"KALB","wind_speed_mph":12.7,"wind_direction_compass":"SSE"},"alerts":{"point_count":0,"nearby_count":0},"next_periods":[{"name":"Overnight","startTime":"2026-10-16T02:00:00-04:00","endTime":"2026-10-16T06:00:00-04:00","isDaytime":false,"temperature":44,"temperatureUnit":"F","windSpeed":"7 to 14 mph","windDirection":"S","shortForecast":"Rain Showers Likely","detailedForecast":"Rain showers likely after 3am. Cloudy. Low around 44, with temperatures rising to around 53 overnight. South wind 7 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.","probabilityOfPrecipitation":61,"relativeHumidity":null},{"name":"Friday","startTime":"2026-10-16T06:00:00-04:00","endTime":"2026-10-16T18:00:00-04:00","isDaytime":true,"temperature":70,"temperatureUnit":"F","windSpeed":"8 to 20 mph","windDirection":"S","shortForecast":"Showers And Thunderstorms","detailedForecast":"Rain showers before 8am, then showers and thunderstorms. Mostly cloudy, with a high near 70. South wind 8 to 20 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.","probabilityOfPrecipitation":96,"relativeHumidity":null},{"name":"Friday Night","startTime":"2026-10-16T18:00:00-04:00","endTime":"2026-10-17T06:00:00-04:00","isDaytime":false,"temperature":41,"temperatureUnit":"F","windSpeed":"7 to 13 mph","windDirection":"W","shortForecast":"Rain Showers","detailedForecast":"Rain showers before 1am. Mostly cloudy, with a low around 41. West wind 7 to 13 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.","probabilityOfPrecipitation":96,"relativeHumidity":null},{"name":"Saturday","startTime":"2026-10-17T06:00:00-04:00","endTime":"2026-10-17T18:00:00-04:00","isDaytime":true,"temperature":49,"temperatureUnit":"F","windSpeed":"12 to 15 mph","windDirection":"NW","shortForecast":"Partly Sunny","detailedForecast":"Partly sunny, with a high near 49. Northwest wind 12 to 15 mph, with gusts as high as 30 mph.","probabilityOfPrecipitation":9,"relativeHumidity":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":150.0,"wind_shear_0_6km_ms":11.8,"supercell_composite":0.07,"significant_tornado":0.02,"tornado_probability":0.0,"severe_thunderstorm_probability":0.08,"hail_probability":0.02,"severe_risk_category":"low","doc_confidence":0.69,"doc_forecast":{"method":"doc_persistence_climatology_blend","next_24h_high_f":63.4,"next_24h_low_f":33.4,"precip_chance_next_24h":0.25},"performance_vs_nws":{"purpose":"Track whether DOC independent analysis outperforms NWS baseline","doc_not_derived_from_nws":true,"temperature_f":{"doc":53.4,"nws":53.6,"doc_minus_nws":-0.2,"abs_error":0.2,"doc_closer_to_nws_if_abs_lt_2":true},"today_high_f":{"doc":63.4,"nws":70,"doc_minus_nws":-6.6,"abs_error":6.6},"tonight_low_f":{"doc":33.4,"nws":44,"doc_minus_nws":-10.6,"abs_error":10.6},"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":53.6,"conditions":"Cloudy","station_id":"KALB","observation_age_label":"14 min ago","observed_at":"2026-10-16T07:35:00+00:00","humidity":null,"wind_speed_mph":12.7,"today_high_f":70,"tonight_low_f":44,"period_count":14}}},"citations":[{"id":"nws-obs","label":"NWS station KALB","url":"https://api.weather.gov/stations/KALB/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=42.6526&lon=-73.7562","fields":["periods","hourly"]},{"id":"nws-alerts","label":"NWS active alerts","url":"https://api.weather.gov/alerts/active?point=42.6526,-73.7562","fields":["alert_count","nearby_zone_alerts"]},{"id":"doc-status","label":"Weather AGI public status","url":"/status?lat=42.6526&lon=-73.7562&location_name=Rochester, NY"}],"agi":{"available":false,"provider":"none","reason":"Amazon Alexa+ hackathon — NWS facts; Grok is not the chat LLM"},"facts_used":{"current_temp_f":53.6,"observation_age":"14 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":150.0,"wind_shear_0_6km_ms":11.8,"supercell_composite":0.07,"significant_tornado":0.02,"tornado_probability":0.0,"severe_thunderstorm_probability":0.08,"hail_probability":0.02,"severe_risk_category":"low","doc_confidence":0.69,"doc_forecast":{"method":"doc_persistence_climatology_blend","next_24h_high_f":63.4,"next_24h_low_f":33.4,"precip_chance_next_24h":0.25},"performance_vs_nws":{"purpose":"Track whether DOC independent analysis outperforms NWS baseline","doc_not_derived_from_nws":true,"temperature_f":{"doc":53.4,"nws":53.6,"doc_minus_nws":-0.2,"abs_error":0.2,"doc_closer_to_nws_if_abs_lt_2":true},"today_high_f":{"doc":63.4,"nws":70,"doc_minus_nws":-6.6,"abs_error":6.6},"tonight_low_f":{"doc":33.4,"nws":44,"doc_minus_nws":-10.6,"abs_error":10.6},"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":53.6,"conditions":"Cloudy","station_id":"KALB","observation_age_label":"14 min ago","observed_at":"2026-10-16T07:35:00+00:00","humidity":null,"wind_speed_mph":12.7,"today_high_f":70,"tonight_low_f":44,"period_count":14}}},"source":"NWS facts fallback (LLM unavailable)","generated_at":"2026-10-16T07:49:17.885593Z"}