{"ok":true,"fallback_ok":true,"location_name":"Rochester, NY","location":[43.1566,-77.6088],"question":"briefing","answer":"DOC research fallback for: briefing\nNow in Rochester, NY: 55.4°F, Cloudy.\nNext periods:\n- Tonight: 50°F, Rain\n- Friday: 70°F, Rain\n- Friday Night: 36°F, Light Rain Likely\n- Saturday: 47°F, Mostly Sunny\nActive point alerts: 0; nearby zone alerts: 0.\nSevere proxy: tornado≈0.0, severe_tstm≈0.071, CAPE≈229.4 J/kg.\nNWS brief: Now: 55.4°F, Cloudy. Observation age: 17 min ago. Humidity ~77%. Wind ~5.7 mph. Next period (Friday): 70°F, Rain. Tonight: 50°F, Rain. No active NWS watches/warnings at this point.\nSource: NWS facts only (LLM unavailable).","structured":{"current":{"temperature_f":55.4,"conditions":"Cloudy","conditions_raw":"Cloudy","sky_source":"nws_textDescription","observation_age_label":"17 min ago","observation_freshness":"fresh","station_id":"KROC","wind_speed_mph":5.7,"wind_direction_compass":"S"},"alerts":{"point_count":0,"nearby_count":0},"next_periods":[{"name":"Tonight","startTime":"2026-10-15T22:00:00-04:00","endTime":"2026-10-16T06:00:00-04:00","isDaytime":false,"temperature":50,"temperatureUnit":"F","windSpeed":"8 to 15 mph","windDirection":"SE","shortForecast":"Rain","detailedForecast":"Rain likely before 2am, then rain and a slight chance of thunderstorms. Cloudy. Low around 50, with temperatures rising to around 60 overnight. Southeast wind 8 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.","probabilityOfPrecipitation":94,"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":"15 to 21 mph","windDirection":"SW","shortForecast":"Rain","detailedForecast":"Rain and a slight chance of thunderstorms. Mostly cloudy. High near 70, with temperatures falling to around 59 in the afternoon. Southwest wind 15 to 21 mph, with gusts as high as 37 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.","probabilityOfPrecipitation":89,"relativeHumidity":null},{"name":"Friday Night","startTime":"2026-10-16T18:00:00-04:00","endTime":"2026-10-17T06:00:00-04:00","isDaytime":false,"temperature":36,"temperatureUnit":"F","windSpeed":"14 to 18 mph","windDirection":"NW","shortForecast":"Light Rain Likely","detailedForecast":"Rain likely. Cloudy, with a low around 36. Northwest wind 14 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.","probabilityOfPrecipitation":57,"relativeHumidity":null},{"name":"Saturday","startTime":"2026-10-17T06:00:00-04:00","endTime":"2026-10-17T18:00:00-04:00","isDaytime":true,"temperature":47,"temperatureUnit":"F","windSpeed":"13 to 16 mph","windDirection":"NW","shortForecast":"Mostly Sunny","detailedForecast":"Mostly sunny, with a high near 47. Northwest wind 13 to 16 mph. New rainfall amounts less than a tenth of an inch possible.","probabilityOfPrecipitation":10,"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":229.4,"wind_shear_0_6km_ms":7.8,"supercell_composite":0.07,"significant_tornado":0.02,"tornado_probability":0.0,"severe_thunderstorm_probability":0.071,"hail_probability":0.031,"severe_risk_category":"low","doc_confidence":0.69,"doc_forecast":{"method":"doc_persistence_climatology_blend","next_24h_high_f":65.7,"next_24h_low_f":35.7,"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":55.7,"nws":55.4,"doc_minus_nws":0.3,"abs_error":0.3,"doc_closer_to_nws_if_abs_lt_2":true},"today_high_f":{"doc":65.7,"nws":70,"doc_minus_nws":-4.3,"abs_error":4.3},"tonight_low_f":{"doc":35.7,"nws":50,"doc_minus_nws":-14.3,"abs_error":14.3},"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":55.4,"conditions":"Cloudy","station_id":"KROC","observation_age_label":"17 min ago","observed_at":"2026-10-16T05:30:00+00:00","humidity":76.7,"wind_speed_mph":5.7,"today_high_f":70,"tonight_low_f":50,"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":false,"provider":"none","reason":"Amazon Alexa+ hackathon — NWS facts; Grok is not the chat LLM"},"facts_used":{"current_temp_f":55.4,"observation_age":"17 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":229.4,"wind_shear_0_6km_ms":7.8,"supercell_composite":0.07,"significant_tornado":0.02,"tornado_probability":0.0,"severe_thunderstorm_probability":0.071,"hail_probability":0.031,"severe_risk_category":"low","doc_confidence":0.69,"doc_forecast":{"method":"doc_persistence_climatology_blend","next_24h_high_f":65.7,"next_24h_low_f":35.7,"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":55.7,"nws":55.4,"doc_minus_nws":0.3,"abs_error":0.3,"doc_closer_to_nws_if_abs_lt_2":true},"today_high_f":{"doc":65.7,"nws":70,"doc_minus_nws":-4.3,"abs_error":4.3},"tonight_low_f":{"doc":35.7,"nws":50,"doc_minus_nws":-14.3,"abs_error":14.3},"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":55.4,"conditions":"Cloudy","station_id":"KROC","observation_age_label":"17 min ago","observed_at":"2026-10-16T05:30:00+00:00","humidity":76.7,"wind_speed_mph":5.7,"today_high_f":70,"tonight_low_f":50,"period_count":14}}},"source":"NWS facts fallback (LLM unavailable)","generated_at":"2026-10-16T05:47:12.604225Z"}