{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:03:20.340735", "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": "2015-Jun-25_to_2015-Jun-30_28.5_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": 2015060002703}, "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 25 2015"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 30 2015"}, "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": 67623.58771420065}, "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": ["Central African Republic", "Congo DRC", "South Sudan"]}, "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": 28.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "28.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 26.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 29.25}, "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": 8.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2015-06-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[26.25, 5.5], [26.47, 6.03], [27.0, 6.25], [27.25, 6.15], [27.5, 6.25], [28.03, 6.03], [28.25, 5.5], [28.03, 4.97], [27.5, 4.75], [27.25, 4.85], [27.0, 4.75], [26.47, 4.97], [26.25, 5.5]]], [[[27.97, 6.47], [27.75, 7.0], [27.97, 7.53], [28.5, 7.75], [29.03, 7.53], [29.25, 7.0], [29.03, 6.47], [28.5, 6.25], [27.97, 6.47]]]]}, "2015-06-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[26.25, 5.5], [26.47, 6.03], [27.0, 6.25], [27.25, 6.15], [27.5, 6.25], [28.03, 6.03], [28.25, 5.5], [28.03, 4.97], [27.5, 4.75], [27.25, 4.85], [27.0, 4.75], [26.47, 4.97], [26.25, 5.5]]], [[[27.97, 6.47], [27.75, 7.0], [27.97, 7.53], [28.5, 7.75], [29.03, 7.53], [29.25, 7.0], [29.03, 6.47], [28.5, 6.25], [27.97, 6.47]]]]}, "2015-06-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[26.35, 5.25], [26.25, 5.5], [26.35, 5.75], [26.25, 6.0], [26.47, 6.53], [27.0, 6.75], [27.25, 6.65], [27.32, 6.68], [27.35, 6.75], [27.25, 7.0], [27.47, 7.53], [28.0, 7.75], [28.25, 7.65], [28.5, 7.75], [29.03, 7.53], [29.25, 7.0], [29.15, 6.75], [29.18, 6.68], [29.53, 6.53], [29.75, 6.0], [29.54, 5.5], [29.75, 5.0], [29.53, 4.47], [29.0, 4.25], [28.75, 4.35], [28.68, 4.32], [28.53, 3.97], [28.0, 3.75], [27.5, 3.96], [27.0, 3.75], [26.47, 3.97], [26.25, 4.5], [26.35, 4.75], [26.25, 5.0], [26.35, 5.25]]]]}, "2015-06-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[26.35, 5.25], [26.25, 5.5], [26.35, 5.75], [26.25, 6.0], [26.47, 6.53], [27.0, 6.75], [27.25, 6.65], [27.32, 6.68], [27.35, 6.75], [27.25, 7.0], [27.35, 7.25], [27.25, 7.5], [27.35, 7.75], [27.25, 8.0], [27.47, 8.53], [28.0, 8.75], [28.25, 8.65], [28.5, 8.75], [29.03, 8.53], [29.25, 8.0], [29.04, 7.5], [29.25, 7.0], [29.15, 6.75], [29.18, 6.68], [29.53, 6.53], [29.75, 6.0], [29.54, 5.5], [29.75, 5.0], [29.53, 4.47], [29.0, 4.25], [28.75, 4.35], [28.68, 4.32], [28.53, 3.97], [28.0, 3.75], [27.5, 3.96], [27.0, 3.75], [26.47, 3.97], [26.25, 4.5], [26.35, 4.75], [26.25, 5.0], [26.35, 5.25]]]]}, "2015-06-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[26.35, 5.25], [26.25, 5.5], [26.35, 5.75], [26.25, 6.0], [26.47, 6.53], [27.0, 6.75], [27.25, 6.65], [27.32, 6.68], [27.35, 6.75], [27.25, 7.0], [27.35, 7.25], [27.25, 7.5], [27.35, 7.75], [27.25, 8.0], [27.47, 8.53], [28.0, 8.75], [28.25, 8.65], [28.5, 8.75], [29.03, 8.53], [29.25, 8.0], [29.04, 7.5], [29.25, 7.0], [29.15, 6.75], [29.18, 6.68], [29.53, 6.53], [29.75, 6.0], [29.54, 5.5], [29.75, 5.0], [29.53, 4.47], [29.0, 4.25], [28.75, 4.35], [28.68, 4.32], [28.53, 3.97], [28.0, 3.75], [27.5, 3.96], [27.0, 3.75], [26.47, 3.97], [26.25, 4.5], [26.35, 4.75], [26.25, 5.0], [26.35, 5.25]]]]}, "2015-06-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[27.47, 8.53], [28.0, 8.75], [28.25, 8.65], [28.5, 8.75], [29.03, 8.53], [29.25, 8.0], [29.03, 7.47], [28.68, 7.32], [28.53, 6.97], [28.0, 6.75], [27.47, 6.97], [27.25, 7.5], [27.35, 7.75], [27.25, 8.0], [27.47, 8.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.167366976802441}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.4907886377260724}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.46485241553063, 25.931029622483095, 25.976968933361945, 26.46030195896799, 26.422126546539573, 28.109559191859773]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.74361406016942, 27.04481033919643, 27.292839817342156, 28.663898298753622, 28.951472174572075, 28.64962723588377]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.717771699476316, 1.2280304680299612, 1.348205762313536, 1.5648797551720681, 1.526412792241044, 1.6368846804092338]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.835744721986373, 1.3076464274901696, 1.6776305649734695, 1.8473879810524636, 2.167366976802441, 1.9167193252473567]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [2.0967766324166317, 1.5032853657893563, 1.608416940463504, 1.8105248619232093, 1.7499078956571852, 1.55072754864376]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.1428224683667447, 1.5753637704822638, 1.9902330087259044, 2.1498674949507097, 2.4392059635518866, 1.6298943667486203]}}