{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:21:33.802524", "data_source": "ERA5", "website": "http://wexa.jamstec.go.jp", "Author": "Patrick Martineau"}, "event_id": {"name": "Event ID", "description": "A unique identifier based on: beginning_date, end_date, longitude, and latitude", "value": "2020-Sep-20_to_2020-Sep-24_263.5_14.5"}, "event_label": {"name": "Event label", "description": "Integer-valued grid identifier that uniquely labels each detected extreme event in space and time, consistent with the corresponding labels stored in the NetCDF dataset.", "value": 2020090002077}, "status": {"name": "Status", "description": "An ongoing event denotes an event that lasts up to the latest data available. These events are subject to change as newer data is added.", "value": false}, "start_date": {"name": "Start date", "description": "First date on which grid points are under the influence of an event", "value": "September 20 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 24 2020"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "figures_available": {"name": "Figures available", "description": "True if figures were pre-generated for this event", "value": true}, "detection_var": {"name": "Detection variable", "description": "Variable used for the detection scheme", "value": "t2m"}, "event_type": {"name": "Event type", "description": "Type of the event detected", "value": "Heat wave"}, "area": {"name": "Area", "description": "The area (in square meters) encompassing all grid points under the influence of an event during its lifetime.", "value": 62775.68387683596}, "countries_affected": {"name": "Countries affected", "description": "The ArcGIS geocoding API (https://developers.arcgis.com/rest/geocode/) is used to obtain a list of all the countries affected by an event during its lifetime.", "value": ["Mexico"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.Central-America"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["North America"]}, "oceans_affected": {"name": "Ocean basins affected", "description": "The ArcGIS geocoding API (https://developers.arcgis.com/rest/geocode/) is used to obtain a list of all the ocean basins affected by an event during its lifetime.", "value": ["North Pacific Ocean"]}, "center_lat": {"name": "Center latitude", "description": "Latitude of the maximum time-integrated standardized t2m anomalies. Only t2m of the same polarity as the events are considered (positive T2m for a HW, for instance). The centre is thus representative of both the severity and persistence of anomalies.", "value": 14.5}, "center_lon": {"name": "Center longitude", "description": "Longitude of the maximum time-integrated standardized t2m anomalies. Only t2m of the same polarity as the events are considered (positive T2m for a HW, for instance). The centre is thus representative of both the severity and persistence of anomalies.", "value": 263.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "263.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 261.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 264.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 12.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 16.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-09-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-98.03, 15.03], [-97.68, 15.18], [-97.53, 15.53], [-97.0, 15.75], [-96.5, 15.54], [-96.0, 15.75], [-95.47, 15.53], [-95.25, 15.0], [-95.35, 14.75], [-95.25, 14.5], [-95.47, 13.97], [-96.0, 13.75], [-96.25, 13.85], [-96.32, 13.82], [-96.47, 13.47], [-97.0, 13.25], [-97.25, 13.35], [-97.5, 13.25], [-98.03, 13.47], [-98.25, 14.0], [-98.15, 14.25], [-98.25, 14.5], [-98.03, 15.03]]]]}, "2020-09-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-99.25, 15.0], [-99.03, 15.53], [-98.5, 15.75], [-98.25, 15.65], [-98.18, 15.68], [-98.15, 15.75], [-98.25, 16.0], [-98.03, 16.53], [-97.5, 16.75], [-97.25, 16.65], [-97.0, 16.75], [-96.5, 16.54], [-96.0, 16.75], [-95.47, 16.53], [-95.25, 16.0], [-95.46, 15.5], [-95.25, 15.0], [-95.35, 14.75], [-95.25, 14.5], [-95.47, 13.97], [-96.0, 13.75], [-96.25, 13.85], [-96.32, 13.82], [-96.47, 13.47], [-96.82, 13.32], [-96.85, 13.25], [-96.75, 13.0], [-96.85, 12.75], [-96.75, 12.5], [-96.97, 11.97], [-97.5, 11.75], [-98.03, 11.97], [-98.25, 12.5], [-98.15, 12.75], [-98.25, 13.0], [-98.15, 13.25], [-98.25, 13.5], [-98.15, 13.75], [-98.18, 13.82], [-98.53, 13.97], [-98.68, 14.32], [-99.03, 14.47], [-99.25, 15.0]]]]}, "2020-09-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-99.25, 15.0], [-99.03, 15.53], [-98.5, 15.75], [-98.25, 15.65], [-98.18, 15.68], [-98.15, 15.75], [-98.25, 16.0], [-98.03, 16.53], [-97.5, 16.75], [-97.25, 16.65], [-97.0, 16.75], [-96.5, 16.54], [-96.0, 16.75], [-95.47, 16.53], [-95.25, 16.0], [-95.46, 15.5], [-95.25, 15.0], [-95.35, 14.75], [-95.25, 14.5], [-95.47, 13.97], [-96.0, 13.75], [-96.25, 13.85], [-96.32, 13.82], [-96.47, 13.47], [-96.82, 13.32], [-96.85, 13.25], [-96.75, 13.0], [-96.85, 12.75], [-96.75, 12.5], [-96.97, 11.97], [-97.5, 11.75], [-98.03, 11.97], [-98.25, 12.5], [-98.15, 12.75], [-98.25, 13.0], [-98.15, 13.25], [-98.25, 13.5], [-98.15, 13.75], [-98.18, 13.82], [-98.53, 13.97], [-98.68, 14.32], [-99.03, 14.47], [-99.25, 15.0]]]]}, "2020-09-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-99.25, 15.0], [-99.03, 15.53], [-98.5, 15.75], [-98.25, 15.65], [-98.18, 15.68], [-98.15, 15.75], [-98.25, 16.0], [-98.03, 16.53], [-97.5, 16.75], [-97.25, 16.65], [-97.0, 16.75], [-96.5, 16.54], [-96.0, 16.75], [-95.47, 16.53], [-95.25, 16.0], [-95.47, 15.47], [-95.82, 15.32], [-95.96, 15.0], [-95.75, 14.5], [-95.97, 13.97], [-96.5, 13.75], [-96.75, 13.85], [-96.87, 13.8], [-96.75, 13.5], [-96.85, 13.25], [-96.75, 13.0], [-96.85, 12.75], [-96.75, 12.5], [-96.97, 11.97], [-97.5, 11.75], [-98.03, 11.97], [-98.25, 12.5], [-98.15, 12.75], [-98.25, 13.0], [-98.15, 13.25], [-98.25, 13.5], [-98.12, 13.8], [-98.53, 13.97], [-98.68, 14.32], [-99.03, 14.47], [-99.25, 15.0]]]]}, "2020-09-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-96.5, 16.25], [-95.97, 16.03], [-95.75, 15.5], [-95.97, 14.97], [-96.5, 14.75], [-97.03, 14.97], [-97.25, 15.5], [-97.03, 16.03], [-96.5, 16.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.1005888879103622}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.2788569966510939}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.661180171997216, 28.207665346291776, 28.05915446103188, 27.861598154689887, 28.42375140516083]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [29.558103324128354, 29.54339950214245, 28.826748004481203, 28.859911516025647, 28.42375140516083]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.3346169290329541, 1.3848849750632763, 1.2455202948234851, 1.1729027385749258, 1.1074831166150148]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.8977024563042164, 2.1005888879103622, 1.5517623266243845, 1.4911222931792736, 1.1074831166150148]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.791656722978304, 1.9309737839734722, 1.7299603365688772, 1.6276048839788935, 1.4692742247369885]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.3182437971579937, 2.583660374667587, 2.1701911263309746, 2.1592136077029087, 1.4692742247369885]}}