{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:46:38.769734", "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": "2011-Jan-09_to_2011-Jan-12_38.0_-18.0"}, "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": 2011010001973}, "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 09 2011"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 12 2011"}, "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": 97887.68494060735}, "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": ["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": ["Mozambique Channel"]}, "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": -18.0}, "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": 38.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "38.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 36.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 40.75}, "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": -12.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2011-01-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[37.47, -16.97], [38.0, -16.75], [38.25, -16.85], [38.5, -16.75], [38.75, -16.85], [38.82, -16.82], [38.97, -16.47], [39.38, -16.3], [39.25, -16.0], [39.35, -15.75], [39.25, -15.5], [39.47, -14.97], [40.0, -14.75], [40.53, -14.97], [40.75, -15.5], [40.65, -15.75], [40.75, -16.0], [40.53, -16.53], [40.13, -16.7], [40.25, -17.0], [40.15, -17.25], [40.25, -17.5], [40.03, -18.03], [39.68, -18.18], [39.53, -18.53], [39.0, -18.75], [38.5, -18.54], [38.0, -18.75], [37.47, -18.53], [37.25, -18.0], [37.35, -17.75], [37.25, -17.5], [37.47, -16.97]]]]}, "2011-01-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[36.25, -18.5], [36.47, -17.97], [36.82, -17.82], [36.97, -17.47], [37.32, -17.32], [37.47, -16.97], [38.0, -16.75], [38.25, -16.85], [38.38, -16.8], [38.25, -16.5], [38.47, -15.97], [38.82, -15.82], [38.85, -15.75], [38.75, -15.5], [38.85, -15.25], [38.75, -15.0], [38.85, -14.75], [38.75, -14.5], [38.85, -14.25], [38.75, -14.0], [38.85, -13.75], [38.82, -13.68], [38.47, -13.53], [38.25, -13.0], [38.47, -12.47], [39.0, -12.25], [39.25, -12.35], [39.5, -12.25], [40.03, -12.47], [40.18, -12.82], [40.53, -12.97], [40.68, -13.32], [41.03, -13.47], [41.25, -14.0], [41.15, -14.25], [41.25, -14.5], [41.03, -15.03], [40.68, -15.18], [40.65, -15.25], [40.75, -15.5], [40.65, -15.75], [40.75, -16.0], [40.53, -16.53], [40.18, -16.68], [40.15, -16.75], [40.25, -17.0], [40.15, -17.25], [40.25, -17.5], [40.03, -18.03], [39.68, -18.18], [39.53, -18.53], [39.18, -18.68], [39.03, -19.03], [38.68, -19.18], [38.53, -19.53], [38.0, -19.75], [37.75, -19.65], [37.5, -19.75], [36.97, -19.53], [36.82, -19.18], [36.47, -19.03], [36.25, -18.5]]]]}, "2011-01-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[36.25, -18.5], [36.47, -17.97], [36.82, -17.82], [36.97, -17.47], [37.32, -17.32], [37.47, -16.97], [38.0, -16.75], [38.25, -16.85], [38.38, -16.8], [38.25, -16.5], [38.47, -15.97], [38.82, -15.82], [38.85, -15.75], [38.75, -15.5], [38.85, -15.25], [38.75, -15.0], [38.85, -14.75], [38.75, -14.5], [38.85, -14.25], 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"value": 2.4066982198513642}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.43992170323309}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.263906035696266, 28.277226624812727, 28.202681726875994, 27.698793642332475]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.489795046433414, 29.727569538760463, 29.49399126791053, 29.020988471468797]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.0888636768474385, 1.6029984555482728, 1.5387518832456608, 1.2290214521044356]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.4969122159806147, 2.285791642758454, 2.4066982198513642, 2.0044845722811147]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5551778795455728, 2.015687436357694, 1.96089051433756, 1.4850257634623338]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7269210131618797, 2.5042884859791332, 2.521206126555677, 2.0296722695320284]}}