{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:49:25.442120", "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": "2012-Jan-03_to_2012-Jan-06_23.5_-15.5"}, "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": 2012010001917}, "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": "January 03 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 06 2012"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 74566.71552206251}, "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": ["Zambia"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.Southern-Africa", "W.Southern-Africa"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Africa"]}, "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": []}, "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": -15.5}, "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": 23.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "23.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 22.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 25.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -17.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -13.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2012-01-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[22.25, -15.5], [22.47, -14.97], [22.82, -14.82], [22.97, -14.47], [23.5, -14.25], [23.75, -14.35], [24.0, -14.25], [24.25, -14.35], [24.5, -14.25], [25.03, -14.47], [25.25, -15.0], [25.03, -15.53], [24.68, -15.68], [24.53, -16.03], [24.18, -16.18], [24.13, -16.3], [24.53, -16.47], [24.75, -17.0], [24.53, -17.53], [24.0, -17.75], [23.47, -17.53], [23.25, -17.0], [23.38, -16.7], [22.97, -16.53], [22.82, -16.18], [22.47, -16.03], [22.25, -15.5]]]]}, "2012-01-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[21.75, -15.5], [21.97, -14.97], [22.5, -14.75], [22.75, -14.85], [22.82, -14.82], [22.85, -14.75], [22.75, -14.5], [22.97, -13.97], [23.5, -13.75], [23.75, -13.85], [23.82, -13.82], [23.97, -13.47], [24.5, -13.25], [24.75, -13.35], [25.0, -13.25], [25.25, -13.35], [25.5, -13.25], [26.03, -13.47], [26.25, -14.0], [26.15, -14.25], [26.25, -14.5], [26.15, -14.75], [26.25, -15.0], [26.03, -15.53], [25.68, -15.68], [25.53, -16.03], [25.18, -16.18], [25.03, -16.53], [24.63, -16.7], [24.75, -17.0], [24.53, -17.53], [24.0, -17.75], [23.47, -17.53], [23.32, -17.18], [22.97, -17.03], [22.82, -16.68], [22.47, -16.53], [22.32, -16.18], [21.97, -16.03], [21.75, -15.5]]]]}, "2012-01-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[21.75, -15.5], [21.97, -14.97], [22.5, -14.75], [22.75, -14.85], [22.82, -14.82], [22.85, -14.75], [22.75, -14.5], [22.97, -13.97], [23.5, -13.75], [23.75, -13.85], [23.82, -13.82], [23.97, -13.47], [24.5, -13.25], [24.75, -13.35], [25.0, -13.25], [25.25, -13.35], [25.5, -13.25], [26.03, -13.47], [26.25, -14.0], [26.15, -14.25], [26.25, -14.5], [26.15, -14.75], [26.25, -15.0], [26.03, -15.53], [25.68, -15.68], [25.53, -16.03], [25.18, -16.18], [25.03, -16.53], [24.63, -16.7], [24.75, -17.0], [24.53, -17.53], [24.0, -17.75], [23.47, -17.53], [23.32, -17.18], [22.97, -17.03], [22.82, -16.68], [22.47, -16.53], [22.32, -16.18], [21.97, -16.03], [21.75, -15.5]]]]}, "2012-01-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[21.75, -15.5], [21.97, -14.97], [22.5, -14.75], [22.75, -14.85], [22.82, -14.82], [22.85, -14.75], [22.75, -14.5], [22.97, -13.97], [23.5, -13.75], [23.75, -13.85], [23.82, -13.82], [23.97, -13.47], [24.5, -13.25], [24.75, -13.35], [25.0, -13.25], [25.25, -13.35], [25.5, -13.25], [26.03, -13.47], [26.25, -14.0], [26.15, -14.25], [26.25, -14.5], [26.15, -14.75], [26.25, -15.0], [26.03, -15.53], [25.68, -15.68], [25.53, -16.03], [25.18, -16.18], [25.03, -16.53], [24.5, -16.75], [24.25, -16.65], [24.18, -16.68], [24.03, -17.03], [23.5, -17.25], [22.97, -17.03], [22.82, -16.68], [22.47, -16.53], [22.32, -16.18], [21.97, -16.03], [21.75, -15.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.4152026766277004}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.890388191091012}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [24.994493718463332, 24.9555952944105, 24.94542088468654, 24.812357987086614]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.653293028226074, 26.944505464024985, 26.703964793189755, 26.38411179458535]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.689314606714781, 1.9301025658444109, 1.9221423854460022, 1.8829662930618507]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.1116728417542276, 2.346747513329319, 2.3625251460521213, 2.4152026766277004]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.269445222518304, 1.4723043173242778, 1.4551236882281404, 1.4481308792944476]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.3481503894258313, 1.6894794549105914, 1.6957657064173846, 1.7417662525575153]}}