{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:12:48.487543", "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": "2018-May-10_to_2018-May-14_31.5_12.5"}, "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": 2018050001933}, "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": "May 10 2018"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 14 2018"}, "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": 84078.66566481435}, "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": ["Sudan"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.Eastern-Africa", "Sahara"]}, "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": 12.5}, "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": 31.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "31.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 30.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 34.75}, "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": 15.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2018-05-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[34.5, 14.75], [35.03, 14.53], [35.25, 14.0], [35.03, 13.47], [34.5, 13.25], [33.97, 13.47], [33.75, 14.0], [33.97, 14.53], [34.5, 14.75]]]]}, "2018-05-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[29.97, 13.53], [30.5, 13.75], [30.75, 13.65], [31.0, 13.75], [31.25, 13.65], [31.5, 13.75], [31.75, 13.65], [31.82, 13.68], [31.97, 14.03], [32.5, 14.25], [32.75, 14.15], [32.82, 14.18], [32.97, 14.53], [33.5, 14.75], [34.0, 14.54], [34.5, 14.75], [35.03, 14.53], [35.25, 14.0], [35.15, 13.75], [35.25, 13.5], [35.03, 12.97], [34.5, 12.75], [34.2, 12.88], [34.03, 12.47], [33.5, 12.25], [33.25, 12.35], [33.0, 12.25], [32.75, 12.35], [32.68, 12.32], [32.53, 11.97], [32.0, 11.75], [31.75, 11.85], [31.5, 11.75], [31.25, 11.85], [31.0, 11.75], [30.75, 11.85], [30.5, 11.75], [29.97, 11.97], [29.75, 12.5], [29.85, 12.75], [29.75, 13.0], [29.97, 13.53]]]]}, "2018-05-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[29.97, 13.53], [30.5, 13.75], [30.75, 13.65], [30.82, 13.68], [30.97, 14.03], [31.5, 14.25], [31.75, 14.15], 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"Mean t2m anomaly over entire duration", "value": 2.4716153646427004}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [36.44431380229804, 35.646877076497674, 36.0574064066148, 36.24050427208903, 36.50871400301213]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [36.44431380229804, 36.761167120559946, 37.12620985998893, 37.192982129841255, 37.78440491151753]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.036610247839633, 2.2900900671036832, 2.4183621521862517, 2.628165857164658, 2.510903572963457]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.036610247839633, 2.763755070119373, 2.924496246636579, 3.0854270481937647, 3.1458048078890783]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.14321627571795, 1.3289663441747355, 1.3987364090438086, 1.4884093649498182, 1.4057547917312374]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.14321627571795, 1.5636839298912604, 1.6483338362646989, 1.748729836678998, 1.739809991975793]}}