{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:51:46.773768", "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-Oct-30_to_2012-Nov-03_6.0_5.0"}, "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": 2012100002986}, "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": "October 30 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 03 2012"}, "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": 83037.99437463435}, "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": ["Cameroon", "Nigeria"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Western-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": 5.0}, "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": 6.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "6.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 5.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 9.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 4.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 7.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2012-10-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[4.97, 6.53], [5.5, 6.75], [5.8, 6.63], [5.97, 7.03], [6.5, 7.25], 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6.75], [5.8, 6.63], [5.97, 7.03], [6.5, 7.25], [6.75, 7.15], [7.0, 7.25], [7.53, 7.03], [7.68, 6.68], [7.75, 6.65], [7.82, 6.68], [7.85, 6.75], [7.75, 7.0], [7.97, 7.53], [8.5, 7.75], [8.75, 7.65], [9.0, 7.75], [9.53, 7.53], [9.75, 7.0], [9.65, 6.75], [9.75, 6.5], [9.54, 6.0], [9.75, 5.5], [9.53, 4.97], [9.18, 4.82], [9.03, 4.47], [8.5, 4.25], [8.25, 4.35], [8.0, 4.25], [7.75, 4.35], [7.5, 4.25], [7.25, 4.35], [7.18, 4.32], [7.03, 3.97], [6.5, 3.75], [5.97, 3.97], [5.82, 4.32], [5.47, 4.47], [5.32, 4.82], [4.97, 4.97], [4.75, 5.5], [4.85, 5.75], [4.75, 6.0], [4.97, 6.53]]]]}, "2012-11-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[4.97, 6.53], [5.5, 6.75], [5.8, 6.63], [5.97, 7.03], [6.5, 7.25], [6.75, 7.15], [7.0, 7.25], [7.53, 7.03], [7.68, 6.68], [7.75, 6.65], [7.82, 6.68], [7.85, 6.75], [7.75, 7.0], [7.97, 7.53], [8.5, 7.75], [8.75, 7.65], [9.0, 7.75], [9.53, 7.53], [9.75, 7.0], [9.65, 6.75], [9.75, 6.5], [9.54, 6.0], [9.75, 5.5], [9.53, 4.97], [9.18, 4.82], 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maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.14417880684448, 28.32505864881233, 28.055266376048053, 28.07245269918286, 26.881479863941195]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.0010619024404719, 1.3025970974075163, 1.2226021982396982, 1.1264853488021533, 0.8027727473465234]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.229009011947369, 1.5879305210858092, 1.5538326916590108, 1.4892248658755989, 0.8027727473465234]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.460809301357453, 1.83292316181009, 1.7741253231947605, 1.6138272787409493, 1.3672417700103539]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5649290558016595, 2.350408764485764, 2.3844564449973458, 2.217902881420631, 1.3672417700103539]}}