{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:35:42.272910", "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": "2023-Jun-14_to_2023-Jun-18_25.5_4.5"}, "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": 2023060001886}, "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 14 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 18 2023"}, "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": 67641.57734581053}, "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": ["Central-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": 4.5}, "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": 25.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "25.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 24.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 27.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 3.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 7.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2023-06-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[24.47, 5.03], [25.0, 5.25], [25.25, 5.15], [25.5, 5.25], [25.75, 5.15], [26.0, 5.25], [26.53, 5.03], [26.75, 4.5], [26.65, 4.25], [26.75, 4.0], [26.53, 3.47], [26.0, 3.25], [25.75, 3.35], [25.5, 3.25], [25.25, 3.35], [25.0, 3.25], [24.47, 3.47], [24.25, 4.0], [24.35, 4.25], [24.25, 4.5], [24.47, 5.03]]]]}, "2023-06-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[24.35, 4.25], [24.25, 4.5], [24.47, 5.03], [25.0, 5.25], [25.25, 5.15], [25.5, 5.25], [25.75, 5.15], [26.0, 5.25], [26.53, 5.03], [26.75, 4.5], [26.65, 4.25], [26.75, 4.0], [26.53, 3.47], [26.0, 3.25], [25.75, 3.35], [25.68, 3.32], [25.53, 2.97], [25.0, 2.75], [24.47, 2.97], [24.25, 3.5], [24.35, 3.75], [24.25, 4.0], [24.35, 4.25]]]]}, "2023-06-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[24.35, 4.25], [24.25, 4.5], [24.47, 5.03], [24.82, 5.18], [24.85, 5.25], [24.75, 5.5], [24.85, 5.75], [24.75, 6.0], [24.96, 6.5], [24.75, 7.0], [24.97, 7.53], [25.32, 7.68], [25.47, 8.03], [26.0, 8.25], [26.25, 8.15], [26.5, 8.25], [26.75, 8.15], [27.0, 8.25], [27.53, 8.03], [27.75, 7.5], [27.65, 7.25], [27.75, 7.0], [27.65, 6.75], [27.75, 6.5], [27.53, 5.97], [27.0, 5.75], [26.75, 5.85], [26.68, 5.82], [26.65, 5.75], [26.75, 5.5], [26.54, 5.0], [26.75, 4.5], [26.65, 4.25], [26.75, 4.0], [26.53, 3.47], [26.0, 3.25], [25.75, 3.35], [25.68, 3.32], [25.53, 2.97], [25.0, 2.75], [24.47, 2.97], [24.25, 3.5], [24.35, 3.75], [24.25, 4.0], [24.35, 4.25]]]]}, "2023-06-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[24.75, 4.5], [24.85, 4.75], [24.75, 5.0], [24.85, 5.25], [24.75, 5.5], [24.85, 5.75], [24.75, 6.0], [24.96, 6.5], [24.75, 7.0], [24.97, 7.53], [25.32, 7.68], [25.47, 8.03], [26.0, 8.25], [26.25, 8.15], [26.5, 8.25], [26.75, 8.15], [27.0, 8.25], [27.53, 8.03], [27.75, 7.5], [27.65, 7.25], [27.75, 7.0], [27.65, 6.75], [27.75, 6.5], [27.53, 5.97], [27.0, 5.75], [26.75, 5.85], [26.68, 5.82], [26.65, 5.75], [26.75, 5.5], [26.53, 4.97], [26.18, 4.82], [26.15, 4.75], [26.25, 4.5], [26.15, 4.25], [26.25, 4.0], [26.03, 3.47], [25.68, 3.32], [25.53, 2.97], [25.0, 2.75], [24.47, 2.97], [24.25, 3.5], [24.47, 4.03], [24.82, 4.18], [24.85, 4.25], [24.75, 4.5]]]]}, "2023-06-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[24.85, 4.75], [24.75, 5.0], [24.85, 5.25], [24.75, 5.5], [24.85, 5.75], [24.75, 6.0], [24.96, 6.5], [24.75, 7.0], [24.97, 7.53], [25.32, 7.68], [25.47, 8.03], [26.0, 8.25], [26.25, 8.15], [26.5, 8.25], [26.75, 8.15], [27.0, 8.25], [27.53, 8.03], [27.75, 7.5], [27.65, 7.25], [27.75, 7.0], [27.65, 6.75], [27.75, 6.5], [27.53, 5.97], [27.0, 5.75], [26.75, 5.85], [26.68, 5.82], [26.65, 5.75], [26.75, 5.5], [26.53, 4.97], [26.18, 4.82], [26.15, 4.75], [26.25, 4.5], [26.15, 4.25], [26.25, 4.0], [26.03, 3.47], [25.5, 3.25], [24.97, 3.47], [24.75, 4.0], [24.85, 4.25], [24.75, 4.5], [24.85, 4.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.1087428919523177}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.4746177009591714}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.636905830707178, 25.463106456487594, 26.3871808877106, 26.206317303240212, 26.337999531331263]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [25.91645844984754, 25.862518088165984, 27.677799804087044, 27.599922382206387, 28.174493803218354]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.496926109356527, 1.3394156509817126, 1.6302200546968286, 1.3410998760603894, 1.4624196401008007]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.6572543831405255, 1.5055114419735673, 1.9684474213012777, 1.5804481329161604, 2.1087428919523177]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.7064530702294478, 1.5308421392549552, 1.9158038286595755, 1.59393890077184, 1.7525454514242058]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.9055720008079169, 1.6369399065536443, 2.24827269922235, 1.8006334359987164, 2.2784065392607804]}}