{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:50:48.696149", "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-Jun-22_to_2012-Jun-27_42.5_7.0"}, "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": 2012060002942}, "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": "June 22 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 27 2012"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 101006.28977033791}, "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": ["Ethiopia"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.Eastern-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": 7.0}, "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": 42.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "42.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 40.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 43.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 5.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 10.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2012-06-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[41.97, 7.53], [42.5, 7.75], [43.03, 7.53], [43.25, 7.0], [43.15, 6.75], [43.25, 6.5], [43.03, 5.97], [42.5, 5.75], [41.97, 5.97], [41.75, 6.5], [41.85, 6.75], [41.75, 7.0], [41.97, 7.53]]]]}, "2012-06-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[40.75, 7.0], [40.85, 7.25], [40.75, 7.5], [40.85, 7.75], [40.82, 7.82], [40.47, 7.97], [40.25, 8.5], [40.47, 9.03], [41.0, 9.25], [41.5, 9.04], [42.0, 9.25], [42.53, 9.03], [42.68, 8.68], [42.75, 8.65], [43.0, 8.75], [43.53, 8.53], [43.75, 8.0], [43.53, 7.47], [43.18, 7.32], [43.15, 7.25], [43.25, 7.0], [43.15, 6.75], [43.25, 6.5], [43.03, 5.97], [42.5, 5.75], [42.25, 5.85], [42.18, 5.82], [42.03, 5.47], [41.5, 5.25], [41.25, 5.35], [41.0, 5.25], [40.47, 5.47], [40.25, 6.0], [40.47, 6.53], [40.82, 6.68], [40.85, 6.75], [40.75, 7.0]]]]}, "2012-06-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[39.85, 8.25], [39.75, 8.5], [39.97, 9.03], [40.5, 9.25], [40.75, 9.15], [40.88, 9.2], [40.75, 9.5], [40.85, 9.75], [40.75, 10.0], [40.97, 10.53], [41.5, 10.75], [41.75, 10.65], [42.0, 10.75], [42.53, 10.53], [42.68, 10.18], [43.03, 10.03], [43.25, 9.5], [43.15, 9.25], [43.18, 9.18], [43.53, 9.03], [43.75, 8.5], [43.65, 8.25], [43.75, 8.0], [43.53, 7.47], [43.18, 7.32], [43.15, 7.25], [43.25, 7.0], [43.15, 6.75], [43.25, 6.5], [43.03, 5.97], [42.5, 5.75], [42.25, 5.85], [42.18, 5.82], [42.03, 5.47], [41.5, 5.25], [41.25, 5.35], [41.0, 5.25], [40.47, 5.47], [40.25, 6.0], [40.46, 6.5], [40.32, 6.82], [39.97, 6.97], [39.75, 7.5], [39.85, 7.75], [39.75, 8.0], [39.85, 8.25]]]]}, "2012-06-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[39.85, 8.25], [39.75, 8.5], [39.97, 9.03], [40.5, 9.25], [40.75, 9.15], [40.88, 9.2], [40.75, 9.5], [40.85, 9.75], [40.75, 10.0], [40.97, 10.53], [41.5, 10.75], [41.75, 10.65], [42.0, 10.75], [42.53, 10.53], [42.68, 10.18], [43.03, 10.03], [43.25, 9.5], [43.15, 9.25], [43.18, 9.18], [43.53, 9.03], [43.75, 8.5], [43.65, 8.25], [43.75, 8.0], [43.53, 7.47], [43.18, 7.32], [43.15, 7.25], [43.25, 7.0], [43.15, 6.75], 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{"type": "MultiPolygon", "coordinates": [[[[40.97, 10.53], [41.5, 10.75], [42.03, 10.53], [42.25, 10.0], [42.15, 9.75], [42.25, 9.5], [42.07, 9.07], [42.5, 9.25], [42.75, 9.15], [43.0, 9.25], [43.53, 9.03], [43.75, 8.5], [43.53, 7.97], [43.18, 7.82], [43.04, 7.5], [43.25, 7.0], [43.03, 6.47], [42.5, 6.25], [41.97, 6.47], [41.82, 6.82], [41.47, 6.97], [41.32, 7.32], [41.25, 7.35], [41.0, 7.25], [40.47, 7.47], [40.25, 8.0], [40.47, 8.53], [41.0, 8.75], [41.25, 8.65], [41.5, 8.75], [40.97, 8.97], [40.75, 9.5], [40.85, 9.75], [40.75, 10.0], [40.97, 10.53]], [[41.75, 8.65], [41.82, 8.68], [41.93, 8.93], [41.5, 8.75], [41.75, 8.65]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.0328966976033485}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.0015341347064504}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.325822099885727, 27.45378452239953, 26.249864200257377, 26.986346323363932, 25.83614584476902, 26.271455607408654]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [29.554802539651973, 29.911691685190647, 32.612725702228886, 32.799264411236834, 32.97708635814172, 32.74331110021268]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.349676712990913, 1.6701453654987972, 1.8148548477140336, 2.576247564874591, 1.937398904735003, 1.5943324981427338]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.4095841752202887, 1.869515923663016, 2.3762860540418274, 3.0328966976033485, 2.605856639818967, 1.775484881636828]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4356496704831625, 1.5480407581197728, 1.7208907711927433, 2.4442504260930304, 1.831564178416755, 1.4947714449368685]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4659999783952, 1.7742392607066504, 2.259579425851288, 2.9297489335079945, 2.5235730136206658, 1.7656606663497887]}}