{"ok":true,"fallback_ok":true,"location_name":"Rochester, NY","location":[43.0481,-76.1474],"question":"briefing","answer":"DOC research fallback for: briefing\nNow in Rochester, NY: 60.8°F, Overcast / obscured.\nNext periods:\n- Overnight: 50°F, Showers And Thunderstorms\n- Friday: 71°F, Showers And Thunderstorms\n- Friday Night: 36°F, Rain Showers Likely\n- Saturday: 46°F, Chance Rain Showers then Partly Sunny\nActive point alerts: 0; nearby zone alerts: 0.\nSevere proxy: tornado≈0.0, severe_tstm≈0.072, CAPE≈253.9 J/kg.\nNWS brief: Now: 60.8°F, Overcast / obscured. Observation age: 19 min ago. Humidity ~77%. Wind ~3.4 mph. Next period (Friday): 71°F, Showers And Thunderstorms. Overnight: 50°F, Showers And Thunderstorms. No active NWS watches/warnings at this point.\nSource: NWS facts only (LLM unavailable).","structured":{"current":{"temperature_f":60.8,"conditions":"Overcast / obscured","conditions_raw":"Light Rain","sky_source":"cloudLayers+metar","observation_age_label":"19 min ago","observation_freshness":"fresh","station_id":"KSYR","wind_speed_mph":3.4,"wind_direction_compass":"ESE"},"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 18 mph","windDirection":"S","shortForecast":"Showers And Thunderstorms","detailedForecast":"Showers and thunderstorms. Cloudy. Low around 50, with temperatures rising to around 58 overnight. South wind 10 to 18 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":"Friday","startTime":"2026-10-16T06:00:00-04:00","endTime":"2026-10-16T18:00:00-04:00","isDaytime":true,"temperature":71,"temperatureUnit":"F","windSpeed":"13 to 18 mph","windDirection":"SW","shortForecast":"Showers And Thunderstorms","detailedForecast":"Showers and thunderstorms. Cloudy. High near 71, with temperatures falling to around 65 in the afternoon. Southwest wind 13 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.","probabilityOfPrecipitation":99,"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":"9 to 16 mph","windDirection":"NW","shortForecast":"Rain Showers Likely","detailedForecast":"Rain showers likely. Cloudy, with a low around 36. Northwest wind 9 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.","probabilityOfPrecipitation":66,"relativeHumidity":null},{"name":"Saturday","startTime":"2026-10-17T06:00:00-04:00","endTime":"2026-10-17T18:00:00-04:00","isDaytime":true,"temperature":46,"temperatureUnit":"F","windSpeed":"12 mph","windDirection":"NW","shortForecast":"Chance Rain Showers then Partly Sunny","detailedForecast":"A chance of rain showers before 9am. Partly sunny, with a high near 46. Northwest wind around 12 mph, with gusts as high as 22 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.","probabilityOfPrecipitation":42,"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":253.9,"wind_shear_0_6km_ms":7.3,"supercell_composite":0.08,"significant_tornado":0.02,"tornado_probability":0.0,"severe_thunderstorm_probability":0.072,"hail_probability":0.034,"severe_risk_category":"low","doc_confidence":0.69,"doc_forecast":{"method":"doc_persistence_climatology_blend","next_24h_high_f":69.1,"next_24h_low_f":39.1,"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":59.1,"nws":60.8,"doc_minus_nws":-1.7,"abs_error":1.7,"doc_closer_to_nws_if_abs_lt_2":true},"today_high_f":{"doc":69.1,"nws":71,"doc_minus_nws":-1.9,"abs_error":1.9},"tonight_low_f":{"doc":39.1,"nws":50,"doc_minus_nws":-10.9,"abs_error":10.9},"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":60.8,"conditions":"Overcast / obscured","station_id":"KSYR","observation_age_label":"19 min ago","observed_at":"2026-10-16T07:35:00+00:00","humidity":77.2,"wind_speed_mph":3.4,"today_high_f":71,"tonight_low_f":50,"period_count":14}}},"citations":[{"id":"nws-obs","label":"NWS station KSYR","url":"https://api.weather.gov/stations/KSYR/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=43.0481&lon=-76.1474","fields":["periods","hourly"]},{"id":"nws-alerts","label":"NWS active alerts","url":"https://api.weather.gov/alerts/active?point=43.0481,-76.1474","fields":["alert_count","nearby_zone_alerts"]},{"id":"doc-status","label":"Weather AGI public status","url":"/status?lat=43.0481&lon=-76.1474&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":"19 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":253.9,"wind_shear_0_6km_ms":7.3,"supercell_composite":0.08,"significant_tornado":0.02,"tornado_probability":0.0,"severe_thunderstorm_probability":0.072,"hail_probability":0.034,"severe_risk_category":"low","doc_confidence":0.69,"doc_forecast":{"method":"doc_persistence_climatology_blend","next_24h_high_f":69.1,"next_24h_low_f":39.1,"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":59.1,"nws":60.8,"doc_minus_nws":-1.7,"abs_error":1.7,"doc_closer_to_nws_if_abs_lt_2":true},"today_high_f":{"doc":69.1,"nws":71,"doc_minus_nws":-1.9,"abs_error":1.9},"tonight_low_f":{"doc":39.1,"nws":50,"doc_minus_nws":-10.9,"abs_error":10.9},"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":60.8,"conditions":"Overcast / obscured","station_id":"KSYR","observation_age_label":"19 min ago","observed_at":"2026-10-16T07:35:00+00:00","humidity":77.2,"wind_speed_mph":3.4,"today_high_f":71,"tonight_low_f":50,"period_count":14}}},"source":"NWS facts fallback (LLM unavailable)","generated_at":"2026-10-16T07:54:12.232282Z"}