{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:18:19.731609", "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": "2018-Oct-05_to_2018-Oct-07_32.5_-3.0"}, "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": 2018100001419}, "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": "October 05 2018"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 07 2018"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "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": 52506.07713175734}, "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": ["Kenya", "Tanzania"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["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": -3.0}, "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": 32.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "32.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 31.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 35.75}, "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": -0.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2018-10-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[30.97, -3.53], [30.75, -3.0], [30.97, -2.47], [31.5, -2.25], [31.75, -2.35], [31.82, -2.32], [31.97, -1.97], [32.5, -1.75], [32.75, -1.85], [32.82, -1.82], [32.97, -1.47], [33.32, -1.32], [33.47, -0.97], [33.82, -0.82], [33.97, -0.47], [34.5, -0.25], [35.03, -0.47], [35.18, -0.82], [35.25, -0.85], [35.5, -0.75], [36.03, -0.97], [36.25, -1.5], [36.03, -2.03], [35.68, -2.18], [35.53, -2.53], [35.0, -2.75], [34.75, -2.65], [34.5, -2.75], [34.25, -2.65], [34.18, -2.68], [34.15, -2.75], [34.25, -3.0], [34.03, -3.53], [33.5, -3.75], [33.25, -3.65], [33.0, -3.75], [32.75, -3.65], [32.5, -3.75], [32.25, -3.65], [32.0, -3.75], [31.75, -3.65], [31.5, -3.75], [30.97, -3.53]]]]}, "2018-10-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[30.97, -3.53], [30.75, -3.0], [30.97, -2.47], [31.5, -2.25], [31.75, -2.35], [31.82, -2.32], [31.97, -1.97], [32.5, -1.75], [32.75, -1.85], [32.82, -1.82], [32.97, -1.47], [33.32, -1.32], [33.47, -0.97], [33.82, -0.82], [33.97, -0.47], [34.5, -0.25], [35.03, -0.47], [35.18, -0.82], [35.25, -0.85], [35.5, -0.75], [36.03, -0.97], [36.25, -1.5], [36.03, -2.03], [35.68, -2.18], [35.53, -2.53], [35.0, -2.75], [34.75, -2.65], [34.5, -2.75], [34.25, -2.65], [34.18, -2.68], [34.15, -2.75], [34.25, -3.0], [34.03, -3.53], [33.5, -3.75], [33.25, -3.65], [33.0, -3.75], [32.75, -3.65], [32.5, -3.75], [32.25, -3.65], [32.0, -3.75], [31.75, -3.65], [31.5, -3.75], [30.97, -3.53]]]]}, "2018-10-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[30.97, -3.53], [30.75, -3.0], [30.97, -2.47], [31.5, -2.25], [31.75, -2.35], [31.82, -2.32], [31.97, -1.97], [32.5, -1.75], [32.75, -1.85], [32.82, -1.82], [32.97, -1.47], [33.32, -1.32], [33.47, -0.97], [33.82, -0.82], [33.97, -0.47], [34.5, -0.25], [35.03, -0.47], [35.18, -0.82], [35.25, -0.85], [35.5, -0.75], [36.03, -0.97], [36.25, -1.5], [36.03, -2.03], [35.68, -2.18], [35.53, -2.53], [35.0, -2.75], [34.75, -2.65], [34.5, -2.75], [34.25, -2.65], [34.18, -2.68], [34.15, -2.75], [34.25, -3.0], [34.03, -3.53], [33.5, -3.75], [33.25, -3.65], [33.0, -3.75], [32.75, -3.65], [32.5, -3.75], [32.25, -3.65], [32.0, -3.75], [31.75, -3.65], [31.5, -3.75], [30.97, -3.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.9985202593085205}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.217215690991354}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.056030963377395, 25.636453868601393, 25.369933323077305]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.88625933745476, 27.383561101660064, 27.079336343634168]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.975728467625736, 2.486903649793419, 2.1890149555549065]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.7331450746714268, 2.8957953040537063, 2.9985202593085205]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6476113483648804, 2.157742799044736, 1.9036681178819714]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.057728622542078, 2.6321668479798994, 2.640763076199993]}}