{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:32:09.549503", "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": "2022-Aug-16_to_2022-Aug-23_40.5_8.0"}, "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": 2022080002246}, "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": "August 16 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 23 2022"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 8}, "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": 390274.7431387238}, "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", "Kenya", "Somalia"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.Eastern-Africa", "S.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": 8.0}, "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": 40.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "40.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 37.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 45.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 1.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 9.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-08-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[41.0, 5.75], [41.53, 5.53], [41.75, 5.0], [41.53, 4.47], [41.0, 4.25], [40.47, 4.47], [40.25, 5.0], [40.47, 5.53], [41.0, 5.75]]]]}, "2022-08-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[40.47, 4.47], [40.25, 5.0], [40.47, 5.53], [41.0, 5.75], [41.53, 5.53], [41.75, 5.0], [41.53, 4.47], [41.0, 4.25], [40.47, 4.47]]], [[[39.97, 7.47], [39.75, 8.0], [39.97, 8.53], [40.5, 8.75], [41.03, 8.53], [41.25, 8.0], [41.03, 7.47], [40.5, 7.25], [39.97, 7.47]]]]}, "2022-08-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[38.97, 5.53], [39.5, 5.75], [40.0, 5.54], [40.5, 5.75], [40.75, 5.65], [40.82, 5.68], [40.97, 6.03], [41.5, 6.25], [41.75, 6.15], [42.0, 6.25], [42.25, 6.15], [42.5, 6.25], [43.03, 6.03], [43.25, 5.5], [43.07, 5.07], [43.32, 5.18], [43.47, 5.53], [44.0, 5.75], [44.25, 5.65], [44.5, 5.75], [45.03, 5.53], [45.25, 5.0], [45.15, 4.75], [45.25, 4.5], [45.15, 4.25], [45.25, 4.0], [45.03, 3.47], [44.68, 3.32], [44.53, 2.97], [44.18, 2.82], [44.03, 2.47], [43.68, 2.32], [43.53, 1.97], [43.0, 1.75], [42.75, 1.85], [42.68, 1.82], [42.53, 1.47], [42.0, 1.25], [41.47, 1.47], [41.25, 2.0], [41.35, 2.25], [41.32, 2.32], [40.97, 2.47], [40.82, 2.82], [40.75, 2.85], [40.5, 2.75], [39.97, 2.97], [39.82, 3.32], [39.47, 3.47], [39.25, 4.0], [39.35, 4.25], [39.32, 4.32], [38.97, 4.47], [38.75, 5.0], [38.97, 5.53]], [[42.57, 4.57], [42.82, 4.68], [42.93, 4.93], [42.68, 4.82], [42.57, 4.57]]], [[[39.97, 7.47], [39.75, 8.0], [39.97, 8.53], [40.5, 8.75], [41.03, 8.53], [41.25, 8.0], [41.03, 7.47], [40.5, 7.25], [39.97, 7.47]]]]}, "2022-08-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[36.97, 6.03], [37.32, 6.18], [37.47, 6.53], [38.0, 6.75], [38.25, 6.65], [38.32, 6.68], [38.47, 7.03], [39.0, 7.25], [39.25, 7.15], [39.32, 7.18], [39.47, 7.53], [39.82, 7.68], [39.85, 7.75], [39.75, 8.0], [39.85, 8.25], [39.75, 8.5], [39.97, 9.03], [40.5, 9.25], [40.75, 9.15], [40.82, 9.18], [40.97, 9.53], [41.5, 9.75], [41.75, 9.65], [41.82, 9.68], [41.97, 10.03], [42.5, 10.25], [42.75, 10.15], [43.0, 10.25], [43.25, 10.15], [43.5, 10.25], [43.75, 10.15], [44.0, 10.25], [44.25, 10.15], [44.5, 10.25], [45.03, 10.03], [45.25, 9.5], [45.03, 8.97], [44.63, 8.8], [44.75, 8.5], [44.65, 8.25], [44.75, 8.0], [44.53, 7.47], [44.18, 7.32], [44.15, 7.25], [44.25, 7.0], [44.03, 6.47], [43.68, 6.32], [43.53, 5.97], [43.18, 5.82], [43.15, 5.75], [43.25, 5.5], [43.07, 5.07], [43.32, 5.18], [43.47, 5.53], [44.0, 5.75], [44.25, 5.65], [44.5, 5.75], [45.03, 5.53], [45.25, 5.0], [45.15, 4.75], [45.25, 4.5], [45.15, 4.25], [45.25, 4.0], [45.03, 3.47], [44.68, 3.32], [44.53, 2.97], [44.18, 2.82], [44.03, 2.47], [43.68, 2.32], [43.53, 1.97], [43.0, 1.75], [42.75, 1.85], [42.68, 1.82], [42.53, 1.47], [42.0, 1.25], [41.47, 1.47], [41.3, 1.88], [41.0, 1.75], [40.47, 1.97], [40.25, 2.5], [40.38, 2.8], [40.25, 2.85], [40.0, 2.75], [39.47, 2.97], [39.32, 3.32], [39.25, 3.35], [39.0, 3.25], [38.75, 3.35], [38.5, 3.25], [37.97, 3.47], [37.75, 4.0], [37.85, 4.25], [37.82, 4.32], [37.75, 4.35], [37.5, 4.25], [36.97, 4.47], [36.75, 5.0], [36.85, 5.25], [36.75, 5.5], [36.97, 6.03]], [[42.82, 4.68], [42.93, 4.93], [42.68, 4.82], [42.65, 4.75], [42.7, 4.62], [42.82, 4.68]]]]}, "2022-08-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[36.97, 6.03], [37.32, 6.18], [37.47, 6.53], [38.0, 6.75], [38.25, 6.65], [38.32, 6.68], [38.47, 7.03], [39.0, 7.25], [39.25, 7.15], [39.32, 7.18], [39.47, 7.53], [39.82, 7.68], [39.85, 7.75], [39.75, 8.0], [39.85, 8.25], [39.75, 8.5], [39.97, 9.03], [40.5, 9.25], [40.75, 9.15], [40.82, 9.18], [40.97, 9.53], [41.5, 9.75], [41.75, 9.65], [41.82, 9.68], [41.97, 10.03], [42.5, 10.25], [42.75, 10.15], [43.0, 10.25], [43.25, 10.15], [43.5, 10.25], [43.75, 10.15], [44.0, 10.25], [44.25, 10.15], [44.5, 10.25], [44.75, 10.15], [45.0, 10.25], [45.53, 10.03], [45.75, 9.5], [45.53, 8.97], [45.0, 8.75], [44.75, 8.85], [44.68, 8.82], [44.65, 8.75], [44.75, 8.5], [44.65, 8.25], [44.75, 8.0], [44.53, 7.47], [44.18, 7.32], [44.15, 7.25], [44.25, 7.0], [44.03, 6.47], [43.68, 6.32], [43.53, 5.97], [43.18, 5.82], [43.15, 5.75], [43.25, 5.5], [43.07, 5.07], [43.32, 5.18], [43.47, 5.53], [44.0, 5.75], [44.25, 5.65], [44.5, 5.75], [45.03, 5.53], [45.25, 5.0], [45.15, 4.75], [45.25, 4.5], [45.15, 4.25], [45.25, 4.0], [45.03, 3.47], [44.68, 3.32], [44.53, 2.97], [44.18, 2.82], [44.03, 2.47], [43.68, 2.32], [43.53, 1.97], [43.0, 1.75], [42.75, 1.85], [42.68, 1.82], [42.53, 1.47], [42.0, 1.25], [41.47, 1.47], [41.3, 1.88], [41.0, 1.75], [40.47, 1.97], [40.25, 2.5], [40.38, 2.8], [40.25, 2.85], [40.0, 2.75], [39.47, 2.97], [39.32, 3.32], [39.25, 3.35], [39.0, 3.25], [38.75, 3.35], [38.5, 3.25], [37.97, 3.47], [37.75, 4.0], [37.85, 4.25], [37.82, 4.32], [37.75, 4.35], [37.5, 4.25], [36.97, 4.47], [36.75, 5.0], [36.85, 5.25], [36.75, 5.5], [36.97, 6.03]], [[42.82, 4.68], [42.93, 4.93], [42.68, 4.82], [42.65, 4.75], [42.7, 4.62], [42.82, 4.68]]]]}, "2022-08-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[36.97, 6.03], [37.32, 6.18], [37.47, 6.53], [38.0, 6.75], [38.25, 6.65], [38.32, 6.68], [38.47, 7.03], [39.0, 7.25], [39.25, 7.15], [39.32, 7.18], [39.47, 7.53], [39.82, 7.68], [39.85, 7.75], [39.75, 8.0], [39.85, 8.25], [39.75, 8.5], [39.97, 9.03], [40.5, 9.25], [40.75, 9.15], [40.82, 9.18], [40.97, 9.53], [41.5, 9.75], [41.75, 9.65], [41.82, 9.68], [41.97, 10.03], [42.5, 10.25], [42.75, 10.15], [43.0, 10.25], [43.25, 10.15], [43.5, 10.25], [43.75, 10.15], [44.0, 10.25], [44.25, 10.15], [44.5, 10.25], [44.75, 10.15], [45.0, 10.25], [45.53, 10.03], [45.75, 9.5], [45.53, 8.97], [45.0, 8.75], [44.75, 8.85], [44.68, 8.82], [44.65, 8.75], [44.75, 8.5], [44.65, 8.25], [44.75, 8.0], [44.53, 7.47], [44.18, 7.32], [44.15, 7.25], [44.25, 7.0], [44.03, 6.47], [43.68, 6.32], [43.53, 5.97], [43.18, 5.82], [43.03, 5.47], [42.68, 5.32], [42.65, 5.25], [42.75, 5.0], [42.65, 4.75], [42.75, 4.5], [42.53, 3.97], [42.18, 3.82], [42.03, 3.47], [41.68, 3.32], [41.54, 3.0], [41.75, 2.5], [41.53, 1.97], [41.0, 1.75], [40.47, 1.97], [40.25, 2.5], [40.38, 2.8], [40.25, 2.85], [40.0, 2.75], [39.47, 2.97], [39.32, 3.32], [39.25, 3.35], [39.0, 3.25], [38.75, 3.35], [38.5, 3.25], [37.97, 3.47], [37.75, 4.0], [37.85, 4.25], [37.82, 4.32], [37.75, 4.35], [37.5, 4.25], [36.97, 4.47], [36.75, 5.0], [36.85, 5.25], [36.75, 5.5], [36.97, 6.03]]]]}, "2022-08-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[38.32, 6.18], [38.35, 6.25], [38.25, 6.5], [38.47, 7.03], [39.0, 7.25], [39.25, 7.15], [39.32, 7.18], [39.47, 7.53], [39.82, 7.68], [39.85, 7.75], [39.75, 8.0], [39.85, 8.25], [39.75, 8.5], [39.97, 9.03], [40.5, 9.25], [40.75, 9.15], [40.82, 9.18], [40.97, 9.53], [41.5, 9.75], [41.75, 9.65], [41.82, 9.68], [41.97, 10.03], [42.5, 10.25], [42.75, 10.15], [43.0, 10.25], [43.25, 10.15], [43.5, 10.25], [43.75, 10.15], [44.0, 10.25], [44.25, 10.15], [44.5, 10.25], [44.75, 10.15], [45.0, 10.25], [45.53, 10.03], [45.75, 9.5], [45.53, 8.97], [45.0, 8.75], [44.75, 8.85], [44.68, 8.82], [44.53, 8.47], [44.18, 8.32], [44.03, 7.97], [43.68, 7.82], [43.53, 7.47], [43.18, 7.32], [43.15, 7.25], [43.25, 7.0], [43.03, 6.47], [42.5, 6.25], [42.25, 6.35], [42.18, 6.32], [42.15, 6.25], [42.25, 6.0], [42.15, 5.75], [42.25, 5.5], [42.03, 4.97], [41.68, 4.82], [41.53, 4.47], [41.18, 4.32], [41.03, 3.97], [40.5, 3.75], [40.25, 3.85], [40.0, 3.75], [39.75, 3.85], [39.5, 3.75], [38.97, 3.97], [38.82, 4.32], [38.75, 4.35], [38.5, 4.25], [38.25, 4.35], [38.0, 4.25], [37.47, 4.47], [37.25, 5.0], [37.47, 5.53], [37.82, 5.68], [37.97, 6.03], [38.32, 6.18]]]]}, "2022-08-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[38.47, 7.03], [39.0, 7.25], [39.25, 7.15], [39.32, 7.18], [39.47, 7.53], [39.82, 7.68], [39.85, 7.75], [39.75, 8.0], [39.85, 8.25], [39.75, 8.5], [39.97, 9.03], [40.5, 9.25], [40.75, 9.15], [40.82, 9.18], [40.97, 9.53], [41.5, 9.75], [41.75, 9.65], [42.0, 9.75], [42.25, 9.65], [42.32, 9.68], [42.47, 10.03], [43.0, 10.25], [43.53, 10.03], [43.68, 9.68], [44.03, 9.53], [44.25, 9.0], [44.15, 8.75], [44.25, 8.5], [44.03, 7.97], [43.5, 7.75], [43.25, 7.85], [43.0, 7.75], [42.75, 7.85], [42.5, 7.75], [42.25, 7.85], [42.18, 7.82], [42.15, 7.75], [42.25, 7.5], [42.03, 6.97], [41.68, 6.82], [41.53, 6.47], [41.18, 6.32], [41.03, 5.97], [40.68, 5.82], [40.53, 5.47], [40.0, 5.25], [39.75, 5.35], [39.5, 5.25], [39.25, 5.35], [39.0, 5.25], [38.47, 5.47], [38.25, 6.0], [38.35, 6.25], [38.25, 6.5], [38.47, 7.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.674385618451197}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.8620130551846807}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.60990684907091, 25.213623234876877, 27.022395310494744, 25.509999117283826, 25.872979998718108, 25.31639891127776, 24.503500413631798, 22.794627313457738]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [25.60990684907091, 25.60723546174114, 29.876112414642648, 30.362137946944472, 30.416817906349877, 30.181234936209705, 29.340749697594845, 27.277102985381816]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.2996895875185714, 1.8222409691097994, 1.0909002501225264, 1.6681806590472845, 2.0326605114612786, 2.1348326261560433, 1.9888040058951018, 1.9012417714665828]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.2996895875185714, 2.3956779243131336, 1.4470148690697329, 3.1777396625991514, 3.674385618451197, 3.4273119902946405, 3.6032679281468063, 3.280003764730111]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3591456777083974, 1.8389170735544131, 1.3659352754879004, 1.8068411077581406, 2.1304403818271833, 2.1202499203540577, 1.9628682165060454, 1.8854999342680723]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.3591456777083974, 2.3981619329429202, 1.6284996991639697, 3.2634680366967794, 3.967907719581042, 3.5820467478079316, 3.001045256730806, 2.8284144057995344]}}