{"ok":true,"fallback_ok":true,"location_name":"Rochester, NY","location":[42.8864,-78.8784],"question":"briefing","answer":"DOC research fallback for: briefing\nNow in Rochester, NY: 62.6°F, Overcast / obscured.\nNext periods:\n- Overnight: 56°F, Periods Of Rain\n- Friday: 68°F, Periods Of Rain\n- Friday Night: 38°F, Chance Rain Showers then Cloudy\n- Saturday: 48°F, Mostly Sunny\nActive point alerts: 0; nearby zone alerts: 0.\nSevere proxy: tornado≈0.002, severe_tstm≈0.08, CAPE≈330.6 J/kg.\nNWS brief: Now: 62.6°F, Overcast / obscured. Observation age: 23 min ago. Humidity ~100%. Next period (Friday): 68°F, Periods Of Rain. Overnight: 56°F, Periods Of Rain. No active NWS watches/warnings at this point.\nSource: NWS facts only (LLM unavailable).","structured":{"current":{"temperature_f":62.6,"conditions":"Overcast / obscured","conditions_raw":"Light Rain and Fog/Mist","sky_source":"cloudLayers+metar","observation_age_label":"23 min ago","observation_freshness":"acceptable","station_id":"KBUF","wind_speed_mph":null,"wind_direction_compass":null},"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":56,"temperatureUnit":"F","windSpeed":"14 to 17 mph","windDirection":"S","shortForecast":"Periods Of Rain","detailedForecast":"Periods of rain and a slight chance of thunderstorms before 5am, then a chance of rain showers. Cloudy. Low around 56, with temperatures rising to around 68 overnight. South wind 14 to 17 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.","probabilityOfPrecipitation":89,"relativeHumidity":null},{"name":"Friday","startTime":"2026-10-16T06:00:00-04:00","endTime":"2026-10-16T18:00:00-04:00","isDaytime":true,"temperature":68,"temperatureUnit":"F","windSpeed":"17 to 24 mph","windDirection":"W","shortForecast":"Periods Of Rain","detailedForecast":"Rain likely before 7am, then periods of rain and a slight chance of thunderstorms between 7am and 2pm, then a chance of rain showers between 2pm and 3pm, then rain likely. Cloudy. High near 68, with temperatures falling to around 59 in the afternoon. West wind 17 to 24 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half 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":38,"temperatureUnit":"F","windSpeed":"16 mph","windDirection":"NW","shortForecast":"Chance Rain Showers then Cloudy","detailedForecast":"A chance of rain showers before 10pm. Cloudy, with a low around 38. Northwest wind around 16 mph, with gusts as high as 26 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.","probabilityOfPrecipitation":52,"relativeHumidity":null},{"name":"Saturday","startTime":"2026-10-17T06:00:00-04:00","endTime":"2026-10-17T18:00:00-04:00","isDaytime":true,"temperature":48,"temperatureUnit":"F","windSpeed":"6 to 14 mph","windDirection":"NW","shortForecast":"Mostly Sunny","detailedForecast":"Mostly sunny, with a high near 48. Northwest wind 6 to 14 mph.","probabilityOfPrecipitation":11,"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":330.6,"wind_shear_0_6km_ms":14.1,"supercell_composite":0.19,"significant_tornado":0.06,"tornado_probability":0.002,"severe_thunderstorm_probability":0.08,"hail_probability":0.044,"severe_risk_category":"low","doc_confidence":0.69,"doc_forecast":{"method":"doc_persistence_climatology_blend","next_24h_high_f":74.1,"next_24h_low_f":44.1,"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":64.1,"nws":62.6,"doc_minus_nws":1.5,"abs_error":1.5,"doc_closer_to_nws_if_abs_lt_2":true},"today_high_f":{"doc":74.1,"nws":68,"doc_minus_nws":6.1,"abs_error":6.1},"tonight_low_f":{"doc":44.1,"nws":56,"doc_minus_nws":-11.9,"abs_error":11.9},"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":62.6,"conditions":"Overcast / obscured","station_id":"KBUF","observation_age_label":"23 min ago","observed_at":"2026-10-16T07:15:00+00:00","humidity":100.0,"wind_speed_mph":null,"today_high_f":68,"tonight_low_f":56,"period_count":14}}},"citations":[{"id":"nws-obs","label":"NWS station KBUF","url":"https://api.weather.gov/stations/KBUF/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=42.8864&lon=-78.8784","fields":["periods","hourly"]},{"id":"nws-alerts","label":"NWS active alerts","url":"https://api.weather.gov/alerts/active?point=42.8864,-78.8784","fields":["alert_count","nearby_zone_alerts"]},{"id":"doc-status","label":"Weather AGI public status","url":"/status?lat=42.8864&lon=-78.8784&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":62.6,"observation_age":"23 min ago","observation_freshness":"acceptable","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":330.6,"wind_shear_0_6km_ms":14.1,"supercell_composite":0.19,"significant_tornado":0.06,"tornado_probability":0.002,"severe_thunderstorm_probability":0.08,"hail_probability":0.044,"severe_risk_category":"low","doc_confidence":0.69,"doc_forecast":{"method":"doc_persistence_climatology_blend","next_24h_high_f":74.1,"next_24h_low_f":44.1,"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":64.1,"nws":62.6,"doc_minus_nws":1.5,"abs_error":1.5,"doc_closer_to_nws_if_abs_lt_2":true},"today_high_f":{"doc":74.1,"nws":68,"doc_minus_nws":6.1,"abs_error":6.1},"tonight_low_f":{"doc":44.1,"nws":56,"doc_minus_nws":-11.9,"abs_error":11.9},"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":62.6,"conditions":"Overcast / obscured","station_id":"KBUF","observation_age_label":"23 min ago","observed_at":"2026-10-16T07:15:00+00:00","humidity":100.0,"wind_speed_mph":null,"today_high_f":68,"tonight_low_f":56,"period_count":14}}},"source":"NWS facts fallback (LLM unavailable)","generated_at":"2026-10-16T07:37:59.169485Z"}