{"ok":true,"fallback_ok":true,"location_name":"Rochester, NY","location":[40.7128,-74.006],"question":"briefing","answer":"DOC research fallback for: briefing\nNow in Rochester, NY: 60.1°F, Overcast / obscured.\nNext periods:\n- Overnight: 59°F, Rain Showers\n- Friday: 74°F, Rain Showers\n- Friday Night: 51°F, Showers And Thunderstorms\n- Saturday: 52°F, Slight Chance Rain Showers then Mostly Sunny\nActive point alerts: 0; nearby zone alerts: 0.\nSevere proxy: tornado≈0.001, severe_tstm≈0.08, CAPE≈280.5 J/kg.\nNWS brief: Now: 60.1°F, Overcast / obscured. Observation age: 43 min ago. Humidity ~78%. Next period (Friday): 74°F, Rain Showers. Overnight: 59°F, Rain Showers. No active NWS watches/warnings at this point.\nSource: NWS facts only (LLM unavailable).","structured":{"current":{"temperature_f":60.1,"conditions":"Overcast / obscured","conditions_raw":"Unknown","sky_source":"cloudLayers+metar","observation_age_label":"43 min ago","observation_freshness":"acceptable","station_id":"KNYC","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":59,"temperatureUnit":"F","windSpeed":"7 mph","windDirection":"SE","shortForecast":"Rain Showers","detailedForecast":"Rain showers. Mostly cloudy, with a low around 59. Southeast wind around 7 mph. Chance of precipitation is 80%.","probabilityOfPrecipitation":77,"relativeHumidity":null},{"name":"Friday","startTime":"2026-10-16T06:00:00-04:00","endTime":"2026-10-16T18:00:00-04:00","isDaytime":true,"temperature":74,"temperatureUnit":"F","windSpeed":"8 to 13 mph","windDirection":"S","shortForecast":"Rain Showers","detailedForecast":"Rain showers before 2pm, then showers and thunderstorms. Mostly cloudy, with a high near 74. South wind 8 to 13 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.","probabilityOfPrecipitation":91,"relativeHumidity":null},{"name":"Friday Night","startTime":"2026-10-16T18:00:00-04:00","endTime":"2026-10-17T06:00:00-04:00","isDaytime":false,"temperature":51,"temperatureUnit":"F","windSpeed":"13 to 20 mph","windDirection":"W","shortForecast":"Showers And Thunderstorms","detailedForecast":"Showers and thunderstorms. Cloudy. Low around 51, with temperatures rising to around 58 overnight. West wind 13 to 20 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.","probabilityOfPrecipitation":90,"relativeHumidity":null},{"name":"Saturday","startTime":"2026-10-17T06:00:00-04:00","endTime":"2026-10-17T18:00:00-04:00","isDaytime":true,"temperature":52,"temperatureUnit":"F","windSpeed":"20 mph","windDirection":"NW","shortForecast":"Slight Chance Rain Showers then Mostly Sunny","detailedForecast":"A slight chance of rain showers before 8am. Mostly sunny. High near 52, with temperatures falling to around 50 in the afternoon. Northwest wind around 20 mph. Chance of precipitation is 20%.","probabilityOfPrecipitation":23,"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":280.5,"wind_shear_0_6km_ms":9.9,"supercell_composite":0.12,"significant_tornado":0.03,"tornado_probability":0.001,"severe_thunderstorm_probability":0.08,"hail_probability":0.037,"severe_risk_category":"low","doc_confidence":0.69,"doc_forecast":{"method":"doc_persistence_climatology_blend","next_24h_high_f":71.7,"next_24h_low_f":41.7,"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":61.7,"nws":60.1,"doc_minus_nws":1.6,"abs_error":1.6,"doc_closer_to_nws_if_abs_lt_2":true},"today_high_f":{"doc":71.7,"nws":74,"doc_minus_nws":-2.3,"abs_error":2.3},"tonight_low_f":{"doc":41.7,"nws":59,"doc_minus_nws":-17.3,"abs_error":17.3},"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":60.1,"conditions":"Overcast / obscured","station_id":"KNYC","observation_age_label":"43 min ago","observed_at":"2026-10-16T06:51:00+00:00","humidity":77.6,"wind_speed_mph":null,"today_high_f":74,"tonight_low_f":59,"period_count":14}}},"citations":[{"id":"nws-obs","label":"NWS station KNYC","url":"https://api.weather.gov/stations/KNYC/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=40.7128&lon=-74.006","fields":["periods","hourly"]},{"id":"nws-alerts","label":"NWS active alerts","url":"https://api.weather.gov/alerts/active?point=40.7128,-74.006","fields":["alert_count","nearby_zone_alerts"]},{"id":"doc-status","label":"Weather AGI public status","url":"/status?lat=40.7128&lon=-74.006&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":60.1,"observation_age":"43 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":280.5,"wind_shear_0_6km_ms":9.9,"supercell_composite":0.12,"significant_tornado":0.03,"tornado_probability":0.001,"severe_thunderstorm_probability":0.08,"hail_probability":0.037,"severe_risk_category":"low","doc_confidence":0.69,"doc_forecast":{"method":"doc_persistence_climatology_blend","next_24h_high_f":71.7,"next_24h_low_f":41.7,"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":61.7,"nws":60.1,"doc_minus_nws":1.6,"abs_error":1.6,"doc_closer_to_nws_if_abs_lt_2":true},"today_high_f":{"doc":71.7,"nws":74,"doc_minus_nws":-2.3,"abs_error":2.3},"tonight_low_f":{"doc":41.7,"nws":59,"doc_minus_nws":-17.3,"abs_error":17.3},"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":60.1,"conditions":"Overcast / obscured","station_id":"KNYC","observation_age_label":"43 min ago","observed_at":"2026-10-16T06:51:00+00:00","humidity":77.6,"wind_speed_mph":null,"today_high_f":74,"tonight_low_f":59,"period_count":14}}},"source":"NWS facts fallback (LLM unavailable)","generated_at":"2026-10-16T07:33:39.523238Z"}