{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:19:35.489800", "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": "2019-Apr-14_to_2019-Apr-19_24.5_10.0"}, "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": 2019040001862}, "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": "April 14 2019"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 19 2019"}, "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": 66952.93912652828}, "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", "South Sudan", "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": 10.0}, "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": 24.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "24.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 22.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 26.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 8.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 11.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2019-04-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[22.97, 11.53], [23.5, 11.75], [23.75, 11.65], [24.0, 11.75], [24.25, 11.65], [24.5, 11.75], [25.03, 11.53], [25.18, 11.18], [25.5, 11.04], [26.0, 11.25], [26.53, 11.03], [26.75, 10.5], [26.53, 9.97], [26.0, 9.75], [25.7, 9.88], [25.53, 9.47], [25.0, 9.25], [24.75, 9.35], [24.5, 9.25], [24.25, 9.35], [24.0, 9.25], [23.47, 9.47], [23.32, 9.82], [22.97, 9.97], [22.75, 10.5], [22.85, 10.75], [22.75, 11.0], [22.97, 11.53]]]]}, "2019-04-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[22.97, 11.53], [23.5, 11.75], [23.75, 11.65], [24.0, 11.75], [24.25, 11.65], [24.5, 11.75], [25.03, 11.53], [25.18, 11.18], [25.5, 11.04], [26.0, 11.25], [26.53, 11.03], [26.75, 10.5], [26.53, 9.97], [26.18, 9.82], [26.15, 9.75], [26.25, 9.5], [26.03, 8.97], [25.5, 8.75], [25.25, 8.85], [25.18, 8.82], [25.03, 8.47], [24.5, 8.25], [23.97, 8.47], [23.75, 9.0], [23.85, 9.25], [23.82, 9.32], [23.47, 9.47], [23.32, 9.82], [22.97, 9.97], [22.75, 10.5], [22.85, 10.75], [22.75, 11.0], [22.97, 11.53]]]]}, "2019-04-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[22.35, 10.25], [22.25, 10.5], [22.47, 11.03], [22.82, 11.18], [22.97, 11.53], [23.5, 11.75], [23.75, 11.65], [24.0, 11.75], [24.25, 11.65], [24.5, 11.75], [25.03, 11.53], [25.18, 11.18], [25.5, 11.04], [26.0, 11.25], [26.53, 11.03], [26.75, 10.5], [26.53, 9.97], [26.18, 9.82], [26.15, 9.75], [26.25, 9.5], [26.03, 8.97], [25.5, 8.75], [25.25, 8.85], [25.18, 8.82], [25.03, 8.47], [24.5, 8.25], [24.25, 8.35], [24.0, 8.25], [23.47, 8.47], [23.3, 8.88], [23.0, 8.75], [22.47, 8.97], [22.25, 9.5], [22.35, 9.75], [22.25, 10.0], [22.35, 10.25]]]]}, "2019-04-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[22.35, 10.25], [22.25, 10.5], [22.47, 11.03], [23.0, 11.25], [23.5, 11.04], [24.0, 11.25], [24.53, 11.03], [24.68, 10.68], [24.75, 10.65], [25.0, 10.75], [25.25, 10.65], [25.5, 10.75], [26.03, 10.53], [26.25, 10.0], [26.15, 9.75], [26.25, 9.5], [26.03, 8.97], [25.5, 8.75], [25.25, 8.85], [25.18, 8.82], [25.03, 8.47], [24.5, 8.25], [24.25, 8.35], [24.0, 8.25], [23.47, 8.47], [23.3, 8.88], [23.0, 8.75], [22.47, 8.97], [22.25, 9.5], [22.35, 9.75], [22.25, 10.0], [22.35, 10.25]]]]}, "2019-04-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[22.35, 10.25], [22.25, 10.5], [22.47, 11.03], [23.0, 11.25], [23.5, 11.04], [24.0, 11.25], [24.53, 11.03], [24.68, 10.68], [24.75, 10.65], [25.0, 10.75], [25.25, 10.65], [25.5, 10.75], [26.03, 10.53], [26.25, 10.0], [26.15, 9.75], [26.25, 9.5], [26.03, 8.97], [25.5, 8.75], [25.25, 8.85], [25.18, 8.82], [25.03, 8.47], [24.5, 8.25], [24.25, 8.35], [24.0, 8.25], [23.47, 8.47], [23.3, 8.88], [23.0, 8.75], [22.47, 8.97], [22.25, 9.5], [22.35, 9.75], [22.25, 10.0], [22.35, 10.25]]]]}, "2019-04-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[22.47, 9.97], [22.25, 10.5], [22.47, 11.03], [23.0, 11.25], [23.53, 11.03], [23.75, 10.5], [23.57, 10.07], [24.0, 10.25], [24.5, 10.04], [25.0, 10.25], [25.25, 10.15], [25.5, 10.25], [26.03, 10.03], [26.25, 9.5], [26.03, 8.97], [25.5, 8.75], [25.25, 8.85], [25.0, 8.75], [24.5, 8.96], [24.0, 8.75], [23.47, 8.97], [23.25, 9.5], [23.43, 9.93], [23.0, 9.75], [22.47, 9.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.2024317070003576}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.38952770725636}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [34.052959613274595, 33.58636032905741, 33.87855141118979, 33.40791657916185, 33.97883856384067, 33.34588381275336]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [34.33541402373163, 34.75948199110627, 34.854434009803356, 34.5053321926743, 34.832304063510264, 33.896720382509386]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.495298086025922, 2.15668700179927, 2.542883434851939, 2.1571177396916257, 2.6822553216377854, 1.960374310130149]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.7834181132078015, 2.5788248862705245, 3.2024317070003576, 2.532489182531833, 3.1707836681478057, 2.1446738810916486]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6795038814852554, 1.4269389134057258, 1.73888951019091, 1.4380617954278945, 1.7513270887654617, 1.2428511594521887]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.901024198152165, 1.638541394738581, 2.425443068286681, 1.7238279858782417, 2.145951311843267, 1.2847447700329022]}}