{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:52:31.889876", "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": "2013-Jan-16_to_2013-Jan-19_24.5_-11.0"}, "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": 2013010001895}, "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": "January 16 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 19 2013"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 51544.17747508561}, "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": ["Angola", "Congo DRC", "Zambia"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.Southern-Africa", "W.Southern-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": -11.0}, "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": 22.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 25.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -12.25}, "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": {"2013-01-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[25.5, -9.25], [26.03, -9.47], [26.25, -10.0], [26.03, -10.53], [25.68, -10.68], [25.53, -11.03], [25.0, -11.25], [24.47, -11.03], [24.25, -10.5], [24.47, -9.97], [24.82, -9.82], [24.97, -9.47], [25.5, -9.25]]]]}, "2013-01-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[21.97, -9.97], [22.5, -9.75], [23.03, -9.97], [23.18, -10.32], [23.25, -10.35], [23.5, -10.25], [23.75, -10.35], [24.0, -10.25], [24.25, -10.35], [24.32, -10.32], [24.47, -9.97], [24.82, -9.82], [24.97, -9.47], [25.5, -9.25], [26.03, -9.47], [26.25, -10.0], [26.03, -10.53], [25.68, -10.68], [25.65, -10.75], [25.68, -10.82], [26.03, -10.97], [26.25, -11.5], [26.15, -11.75], [26.25, -12.0], [26.03, -12.53], [25.5, -12.75], [24.97, -12.53], [24.82, -12.18], [24.75, -12.15], [24.68, -12.18], [24.53, -12.53], [24.0, -12.75], [23.5, -12.54], [23.0, -12.75], [22.47, -12.53], [22.25, -12.0], [22.38, -11.7], [21.97, -11.53], [21.75, -11.0], [21.85, -10.75], [21.75, -10.5], [21.97, -9.97]]]]}, "2013-01-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[21.97, -9.97], [22.5, -9.75], [23.03, -9.97], [23.18, -10.32], [23.25, -10.35], [23.5, -10.25], [23.75, -10.35], [24.0, -10.25], [24.25, -10.35], [24.32, -10.32], [24.47, -9.97], [24.82, -9.82], [24.97, -9.47], [25.5, -9.25], [26.03, -9.47], [26.25, -10.0], [26.03, -10.53], [25.68, -10.68], [25.65, -10.75], [25.68, -10.82], [26.03, -10.97], [26.25, -11.5], [26.15, -11.75], [26.25, -12.0], [26.03, -12.53], [25.5, -12.75], [24.97, -12.53], [24.82, -12.18], [24.75, -12.15], [24.68, -12.18], [24.53, -12.53], [24.0, -12.75], [23.5, -12.54], [23.0, -12.75], [22.47, -12.53], [22.25, -12.0], [22.38, -11.7], [21.97, -11.53], [21.75, -11.0], [21.85, -10.75], [21.75, -10.5], [21.97, -9.97]]]]}, "2013-01-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[21.97, -9.97], [22.5, -9.75], [23.03, -9.97], [23.18, -10.32], [23.25, -10.35], [23.5, -10.25], [23.75, -10.35], [24.0, -10.25], [24.25, -10.35], [24.5, -10.25], [24.75, -10.35], [25.0, -10.25], [25.53, -10.47], [25.68, -10.82], [26.03, -10.97], [26.25, -11.5], [26.15, -11.75], [26.25, -12.0], [26.03, -12.53], [25.5, -12.75], [24.97, -12.53], [24.82, -12.18], [24.75, -12.15], [24.68, -12.18], [24.53, -12.53], [24.0, -12.75], [23.5, -12.54], [23.0, -12.75], [22.47, -12.53], [22.25, -12.0], [22.38, -11.7], [21.97, -11.53], [21.75, -11.0], [21.85, -10.75], [21.75, -10.5], [21.97, -9.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.772763610389916}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.7221238933473282}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [22.79289582824879, 22.348491723407733, 22.60878773036012, 22.34883557142524]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [22.879832809939046, 23.381891221119133, 23.98353908136147, 23.114311028798795]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.5012092751585442, 1.6335962180383756, 1.8740415657047285, 1.679737179117592]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.5584035741933917, 2.3110005808060237, 2.772763610389916, 2.1203987291044655]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3296998904808564, 1.6474009532315086, 1.9435078668730892, 1.7691271290125248]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.415664117810172, 2.228445189820961, 2.7643520928957055, 2.312762049420841]}}