{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:56:01.424319", "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": "2014-Mar-29_to_2014-Apr-02_36.5_20.0"}, "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": 2014030002561}, "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": "March 29 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 02 2014"}, "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": 81496.5797052217}, "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": ["Egypt", "Eritrea", "Sudan"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Sahara"]}, "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": 20.0}, "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": 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": 33.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 37.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 15.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 23.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-03-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[35.5, 22.75], [36.03, 22.53], [36.25, 22.0], [36.03, 21.47], [35.5, 21.25], [34.97, 21.47], [34.75, 22.0], [34.97, 22.53], [35.5, 22.75]]]]}, "2014-03-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[33.25, 23.0], [33.47, 23.53], [34.0, 23.75], [34.25, 23.65], [34.5, 23.75], [35.03, 23.53], [35.18, 23.18], [35.53, 23.03], [35.68, 22.68], [36.03, 22.53], [36.18, 22.18], [36.25, 22.15], [36.5, 22.25], [37.03, 22.03], [37.25, 21.5], [37.15, 21.25], [37.25, 21.0], [37.15, 20.75], [37.25, 20.5], [37.15, 20.25], [37.25, 20.0], [37.15, 19.75], [37.18, 19.68], [37.53, 19.53], [37.75, 19.0], [37.65, 18.75], [37.75, 18.5], [37.53, 17.97], [37.0, 17.75], [36.47, 17.97], [36.32, 18.32], [35.97, 18.47], [35.75, 19.0], [35.85, 19.25], [35.75, 19.5], [35.85, 19.75], [35.75, 20.0], [35.85, 20.25], [35.75, 20.5], [35.85, 20.75], [35.82, 20.82], [35.75, 20.85], [35.5, 20.75], [35.25, 20.85], [35.0, 20.75], [34.47, 20.97], [34.25, 21.5], [34.35, 21.75], [34.32, 21.82], [33.97, 21.97], [33.82, 22.32], [33.47, 22.47], [33.25, 23.0]]]]}, "2014-03-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[33.25, 23.0], [33.47, 23.53], [34.0, 23.75], [34.25, 23.65], [34.5, 23.75], [35.03, 23.53], [35.18, 23.18], [35.53, 23.03], [35.68, 22.68], [36.03, 22.53], [36.18, 22.18], [36.25, 22.15], [36.5, 22.25], [37.03, 22.03], [37.25, 21.5], [37.15, 21.25], [37.25, 21.0], [37.15, 20.75], [37.25, 20.5], [37.15, 20.25], [37.25, 20.0], [37.15, 19.75], [37.18, 19.68], [37.53, 19.53], [37.75, 19.0], [37.65, 18.75], [37.75, 18.5], [37.65, 18.25], [37.68, 18.18], [38.03, 18.03], [38.25, 17.5], [38.15, 17.25], [38.25, 17.0], [38.03, 16.47], [37.68, 16.32], [37.65, 16.25], [37.75, 16.0], [37.53, 15.47], [37.0, 15.25], [36.47, 15.47], [36.32, 15.82], [35.97, 15.97], [35.75, 16.5], [35.85, 16.75], [35.75, 17.0], [35.85, 17.25], [35.75, 17.5], [35.96, 18.0], [35.75, 18.5], [35.85, 18.75], [35.75, 19.0], [35.85, 19.25], [35.75, 19.5], [35.85, 19.75], [35.75, 20.0], [35.85, 20.25], [35.75, 20.5], [35.85, 20.75], [35.82, 20.82], [35.75, 20.85], [35.5, 20.75], [35.25, 20.85], [35.0, 20.75], [34.47, 20.97], [34.25, 21.5], [34.35, 21.75], [34.32, 21.82], [33.97, 21.97], [33.82, 22.32], [33.47, 22.47], [33.25, 23.0]]]]}, "2014-04-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[33.25, 23.0], [33.47, 23.53], [34.0, 23.75], [34.25, 23.65], [34.5, 23.75], [35.03, 23.53], [35.18, 23.18], [35.53, 23.03], [35.68, 22.68], [36.03, 22.53], [36.18, 22.18], [36.25, 22.15], [36.5, 22.25], [37.03, 22.03], [37.25, 21.5], [37.15, 21.25], [37.25, 21.0], [37.15, 20.75], [37.25, 20.5], [37.15, 20.25], [37.25, 20.0], [37.15, 19.75], [37.18, 19.68], [37.53, 19.53], [37.75, 19.0], [37.65, 18.75], [37.75, 18.5], [37.65, 18.25], [37.68, 18.18], [38.03, 18.03], [38.25, 17.5], [38.15, 17.25], [38.25, 17.0], [38.03, 16.47], [37.68, 16.32], [37.65, 16.25], [37.75, 16.0], [37.53, 15.47], [37.0, 15.25], [36.47, 15.47], [36.32, 15.82], [35.97, 15.97], [35.75, 16.5], [35.85, 16.75], [35.75, 17.0], [35.85, 17.25], [35.75, 17.5], [35.96, 18.0], [35.75, 18.5], [35.85, 18.75], [35.75, 19.0], [35.85, 19.25], [35.75, 19.5], [35.85, 19.75], [35.75, 20.0], [35.85, 20.25], [35.75, 20.5], [35.85, 20.75], [35.82, 20.82], [35.75, 20.85], [35.5, 20.75], [35.25, 20.85], [35.0, 20.75], [34.47, 20.97], [34.25, 21.5], [34.35, 21.75], [34.32, 21.82], [33.97, 21.97], [33.82, 22.32], [33.47, 22.47], [33.25, 23.0]]]]}, "2014-04-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[35.85, 17.25], [35.75, 17.5], [35.96, 18.0], [35.75, 18.5], [35.85, 18.75], [35.75, 19.0], [35.85, 19.25], [35.75, 19.5], [35.85, 19.75], [35.75, 20.0], [35.97, 20.53], [36.5, 20.75], [37.03, 20.53], [37.25, 20.0], [37.15, 19.75], [37.18, 19.68], [37.53, 19.53], [37.75, 19.0], [37.65, 18.75], [37.75, 18.5], [37.65, 18.25], [37.68, 18.18], [38.03, 18.03], [38.25, 17.5], [38.15, 17.25], [38.25, 17.0], [38.03, 16.47], [37.68, 16.32], [37.65, 16.25], [37.75, 16.0], [37.53, 15.47], [37.0, 15.25], [36.47, 15.47], [36.32, 15.82], [35.97, 15.97], [35.75, 16.5], [35.85, 16.75], [35.75, 17.0], [35.85, 17.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 7.904836209225493}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.741889284318133}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.504074756097964, 27.935839368767233, 29.86896244151626, 31.935792542676438, 30.126680056587134]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.504074756097964, 29.147246928064646, 32.650538244350116, 34.25821210103226, 33.46270142812335]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.149468401199158, 4.073859739130365, 4.372979760516793, 6.25470038391312, 3.486869223636191]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.149468401199158, 5.54437090714174, 5.641405047107071, 7.904836209225493, 4.478166838527272]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3320607437005503, 1.5787168097779767, 1.8095220916777532, 2.6622401429745746, 1.6958283639888179]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.3320607437005503, 1.9377873916362462, 2.3308775749665247, 3.3785758413700995, 2.1638169846992077]}}