{"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: 60.8°F, Cloudy.\nNext periods:\n- Overnight: 50°F, Periods Of Rain\n- Friday: 70°F, Periods Of Light Rain\n- Friday Night: 38°F, Chance Rain Showers\n- Saturday: 47°F, Chance Rain And Snow Showers then Partly Sunny\nActive point alerts: 0; nearby zone alerts: 0.\nSevere proxy: tornado≈0.001, severe_tstm≈0.08, CAPE≈261.2 J/kg.\nNWS brief: Now: 60.8°F, Cloudy. Observation age: 49 min ago. Humidity ~72%. Next period (Friday): 70°F, Periods Of Light Rain. Overnight: 50°F, Periods Of Rain. No active NWS watches/warnings at this point.\nSource: NWS facts only (LLM unavailable).","structured":{"current":{"temperature_f":60.8,"conditions":"Cloudy","conditions_raw":"Cloudy","sky_source":"nws_textDescription","observation_age_label":"49 min ago","observation_freshness":"aging","station_id":"KROC","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":50,"temperatureUnit":"F","windSpeed":"10 to 16 mph","windDirection":"S","shortForecast":"Periods Of Rain","detailedForecast":"Periods of rain and a slight chance of thunderstorms. Cloudy. Low around 50, with temperatures rising to around 61 overnight. South wind 10 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.","probabilityOfPrecipitation":91,"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":"13 to 21 mph","windDirection":"W","shortForecast":"Periods Of Light Rain","detailedForecast":"A chance of rain showers before 7am, then periods of rain between 7am and 2pm, then a chance of rain showers. Cloudy. High near 70, with temperatures falling to around 58 in the afternoon. West wind 13 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.","probabilityOfPrecipitation":97,"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","detailedForecast":"A chance of rain showers. Cloudy, with a low around 38. Northwest wind around 16 mph, with gusts as high as 29 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.","probabilityOfPrecipitation":42,"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":"9 to 16 mph","windDirection":"NW","shortForecast":"Chance Rain And Snow Showers then Partly Sunny","detailedForecast":"A chance of rain showers before 8am, then a chance of rain and snow showers between 8am and 11am. Partly sunny, with a high near 47. Northwest wind 9 to 16 mph. Chance of precipitation is 40%.","probabilityOfPrecipitation":35,"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":261.2,"wind_shear_0_6km_ms":10.7,"supercell_composite":0.12,"significant_tornado":0.03,"tornado_probability":0.001,"severe_thunderstorm_probability":0.08,"hail_probability":0.035,"severe_risk_category":"low","doc_confidence":0.69,"doc_forecast":{"method":"doc_persistence_climatology_blend","next_24h_high_f":69.5,"next_24h_low_f":39.5,"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":59.5,"nws":60.8,"doc_minus_nws":-1.3,"abs_error":1.3,"doc_closer_to_nws_if_abs_lt_2":true},"today_high_f":{"doc":69.5,"nws":70,"doc_minus_nws":-0.5,"abs_error":0.5},"tonight_low_f":{"doc":39.5,"nws":50,"doc_minus_nws":-10.5,"abs_error":10.5},"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":60.8,"conditions":"Cloudy","station_id":"KROC","observation_age_label":"49 min ago","observed_at":"2026-10-16T05:55:00+00:00","humidity":72.2,"wind_speed_mph":null,"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":60.8,"observation_age":"49 min ago","observation_freshness":"aging","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":261.2,"wind_shear_0_6km_ms":10.7,"supercell_composite":0.12,"significant_tornado":0.03,"tornado_probability":0.001,"severe_thunderstorm_probability":0.08,"hail_probability":0.035,"severe_risk_category":"low","doc_confidence":0.69,"doc_forecast":{"method":"doc_persistence_climatology_blend","next_24h_high_f":69.5,"next_24h_low_f":39.5,"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":59.5,"nws":60.8,"doc_minus_nws":-1.3,"abs_error":1.3,"doc_closer_to_nws_if_abs_lt_2":true},"today_high_f":{"doc":69.5,"nws":70,"doc_minus_nws":-0.5,"abs_error":0.5},"tonight_low_f":{"doc":39.5,"nws":50,"doc_minus_nws":-10.5,"abs_error":10.5},"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":60.8,"conditions":"Cloudy","station_id":"KROC","observation_age_label":"49 min ago","observed_at":"2026-10-16T05:55:00+00:00","humidity":72.2,"wind_speed_mph":null,"today_high_f":70,"tonight_low_f":50,"period_count":14}}},"source":"NWS facts fallback (LLM unavailable)","generated_at":"2026-10-16T06:44:16.441086Z"}