{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:07:43.752493", "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": "2017-Apr-12_to_2017-Apr-17_271.5_13.5"}, "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": 2017040001825}, "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": "April 12 2017"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 17 2017"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 60222.645421160545}, "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": ["El Salvador", "Guatemala", "Honduras", "Nicaragua"]}, "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": 13.5}, "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": 271.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "271.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 269.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 273.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 11.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 14.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2017-04-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-88.5, 14.25], [-87.97, 14.03], [-87.75, 13.5], [-87.97, 12.97], [-88.5, 12.75], [-89.03, 12.97], [-89.25, 13.5], [-89.03, 14.03], [-88.5, 14.25]]]]}, "2017-04-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-90.75, 14.0], [-90.53, 14.53], [-90.0, 14.75], [-89.47, 14.53], [-89.32, 14.18], [-89.0, 14.04], [-88.5, 14.25], [-88.0, 14.04], [-87.5, 14.25], [-86.97, 14.03], [-86.75, 13.5], [-86.85, 13.25], [-86.82, 13.18], [-86.47, 13.03], [-86.25, 12.5], [-86.47, 11.97], [-87.0, 11.75], [-87.25, 11.85], [-87.5, 11.75], [-87.75, 11.85], [-88.0, 11.75], [-88.25, 11.85], [-88.5, 11.75], [-88.75, 11.85], [-88.82, 11.82], [-88.97, 11.47], [-89.5, 11.25], [-90.03, 11.47], [-90.25, 12.0], [-90.03, 12.53], [-89.68, 12.68], [-89.65, 12.75], [-89.68, 12.82], [-90.03, 12.97], [-90.18, 13.32], [-90.53, 13.47], [-90.75, 14.0]]]]}, "2017-04-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-91.25, 13.5], [-91.03, 14.03], [-90.68, 14.18], [-90.53, 14.53], [-90.0, 14.75], [-89.47, 14.53], [-89.32, 14.18], [-89.25, 14.15], [-89.0, 14.25], [-88.75, 14.15], [-88.5, 14.25], [-88.25, 14.15], [-88.0, 14.25], [-87.75, 14.15], [-87.5, 14.25], [-86.97, 14.03], [-86.75, 13.5], [-86.85, 13.25], [-86.82, 13.18], [-86.47, 13.03], [-86.25, 12.5], [-86.47, 11.97], [-87.0, 11.75], [-87.25, 11.85], [-87.5, 11.75], [-87.75, 11.85], [-88.0, 11.75], [-88.25, 11.85], [-88.5, 11.75], [-88.75, 11.85], [-88.82, 11.82], [-88.97, 11.47], [-89.5, 11.25], [-90.03, 11.47], [-90.25, 12.0], [-90.12, 12.3], [-90.53, 12.47], [-90.68, 12.82], [-91.03, 12.97], [-91.25, 13.5]]]]}, "2017-04-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-91.25, 13.5], [-91.03, 14.03], [-90.68, 14.18], [-90.53, 14.53], [-90.0, 14.75], [-89.47, 14.53], [-89.32, 14.18], [-89.25, 14.15], [-89.0, 14.25], [-88.75, 14.15], [-88.5, 14.25], [-88.25, 14.15], [-88.0, 14.25], [-87.75, 14.15], [-87.5, 14.25], [-86.97, 14.03], [-86.75, 13.5], [-86.85, 13.25], [-86.82, 13.18], [-86.47, 13.03], [-86.25, 12.5], [-86.47, 11.97], [-87.0, 11.75], [-87.25, 11.85], [-87.5, 11.75], [-87.75, 11.85], [-88.0, 11.75], [-88.25, 11.85], [-88.5, 11.75], [-88.75, 11.85], [-88.82, 11.82], [-88.97, 11.47], [-89.5, 11.25], [-90.03, 11.47], [-90.25, 12.0], [-90.12, 12.3], [-90.53, 12.47], [-90.68, 12.82], [-91.03, 12.97], [-91.25, 13.5]]]]}, "2017-04-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-91.25, 13.5], [-91.03, 14.03], [-90.68, 14.18], [-90.53, 14.53], [-90.0, 14.75], [-89.47, 14.53], [-89.32, 14.18], [-89.25, 14.15], [-89.0, 14.25], [-88.75, 14.15], [-88.5, 14.25], [-88.25, 14.15], [-88.0, 14.25], [-87.75, 14.15], [-87.5, 14.25], [-86.97, 14.03], [-86.75, 13.5], [-86.85, 13.25], [-86.82, 13.18], [-86.47, 13.03], [-86.25, 12.5], [-86.47, 11.97], [-87.0, 11.75], [-87.5, 11.96], [-88.0, 11.75], [-88.25, 11.85], [-88.5, 11.75], [-88.75, 11.85], [-88.82, 11.82], [-88.97, 11.47], [-89.5, 11.25], [-90.03, 11.47], [-90.25, 12.0], [-90.12, 12.3], [-90.53, 12.47], [-90.68, 12.82], [-91.03, 12.97], [-91.25, 13.5]]]]}, "2017-04-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-89.75, 13.0], [-89.53, 13.53], [-89.18, 13.68], [-89.03, 14.03], [-88.5, 14.25], [-88.25, 14.15], [-88.0, 14.25], [-87.47, 14.03], [-87.25, 13.5], [-87.46, 13.0], [-87.25, 12.5], [-87.47, 11.97], [-88.0, 11.75], [-88.25, 11.85], [-88.5, 11.75], [-88.75, 11.85], [-88.82, 11.82], [-88.97, 11.47], [-89.5, 11.25], [-90.03, 11.47], [-90.25, 12.0], [-90.03, 12.53], [-89.68, 12.68], [-89.65, 12.75], [-89.75, 13.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.480464771578113}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.288877834606069}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [30.54929496303299, 29.400242077300902, 29.463051164090757, 29.466470422548753, 29.325031305091443, 29.37186698106973]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [30.54929496303299, 31.168244063527197, 31.62834011482812, 31.877581894554055, 31.968445522094612, 31.059334349680682]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.5963661626124122, 1.3117488165017375, 1.341545491580368, 1.3567097449764618, 1.2281980130457855, 1.0196268614926194]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.5963661626124122, 2.0360130848978315, 2.1321910782729674, 2.3441749736838915, 2.480464771578113, 1.5862296844622392]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6373435422076723, 1.6962984379168373, 1.7653689486815423, 1.8121187290191982, 1.6345269739370778, 1.4666813732094024]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6373435422076723, 2.0498791733794817, 2.126912830058908, 2.334643467926877, 2.442513516702843, 1.6641672202382523]}}