{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:20:10.828316", "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-May-26_to_2020-May-30_36.5_-17.5"}, "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": 2020050002539}, "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 26 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 30 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": 64881.324923881155}, "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": ["Malawi", "Mozambique"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.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": -17.5}, "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": 36.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "36.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 34.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 37.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -19.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -15.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-05-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[34.35, -17.25], [34.25, -17.0], [34.35, -16.75], [34.25, 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-16.32], [37.03, -16.47], [37.18, -16.82], [37.53, -16.97], [37.75, -17.5], [37.53, -18.03], [37.18, -18.18], [37.15, -18.25], [37.25, -18.5], [37.03, -19.03], [36.5, -19.25], [36.25, -19.15], [36.18, -19.18], [36.03, -19.53], [35.5, -19.75], [34.97, -19.53], [34.75, -19.0], [34.85, -18.75], [34.82, -18.68], [34.47, -18.53], [34.25, -18.0], [34.35, -17.75], [34.25, -17.5], [34.35, -17.25]]]]}, "2020-05-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[34.35, -17.25], [34.25, -17.0], [34.35, -16.75], [34.25, -16.5], [34.35, -16.25], [34.25, -16.0], [34.35, -15.75], [34.25, -15.5], [34.47, -14.97], [35.0, -14.75], [35.53, -14.97], [35.75, -15.5], [35.65, -15.75], [35.68, -15.82], [35.75, -15.85], [36.0, -15.75], [36.53, -15.97], [36.68, -16.32], [37.03, -16.47], [37.18, -16.82], [37.53, -16.97], [37.75, -17.5], [37.53, -18.03], [37.18, -18.18], [37.15, -18.25], [37.25, -18.5], [37.03, -19.03], [36.5, -19.25], [36.25, -19.15], [36.18, -19.18], [36.03, -19.53], [35.5, 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maximum t2m.", "value": [26.769143814599886, 28.716097625338477, 25.474931845526896, 24.33468836219032, 25.182415205365658]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.2276934892909783, 5.526792825148292, 2.434291582012099, 2.242346300704687, 2.6635482069300074]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.97295317216566, 6.486749886162272, 2.839309310682438, 2.6300223995409624, 4.070764692745286]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [2.111352814797593, 3.648556167471567, 1.6149345641471498, 1.5276125207457856, 1.7654302827382164]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.499384149419884, 4.177508585413018, 2.0874790575248676, 1.6092269337296634, 2.378738150083612]}}