{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:01:14.151266", "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": "2024-Sep-27_to_2024-Oct-01_38.5_5.0"}, "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": 2024090002339}, "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": "September 27 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 01 2024"}, "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": 58537.335807980715}, "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"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Africa", "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": 5.0}, "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": 38.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "38.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 38.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 41.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 3.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 6.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[37.75, 5.0], [37.85, 5.25], [37.75, 5.5], [37.97, 6.03], [38.5, 6.25], [38.75, 6.15], [39.0, 6.25], [39.5, 6.04], [40.0, 6.25], [40.25, 6.15], [40.32, 6.18], [40.47, 6.53], [41.0, 6.75], [41.53, 6.53], [41.75, 6.0], [41.53, 5.47], [41.18, 5.32], [41.03, 4.97], [40.68, 4.82], [40.53, 4.47], [40.13, 4.3], [40.25, 4.0], [40.15, 3.75], [40.25, 3.5], [40.03, 2.97], [39.5, 2.75], [39.25, 2.85], [39.0, 2.75], [38.75, 2.85], [38.5, 2.75], [38.25, 2.85], [38.0, 2.75], [37.47, 2.97], [37.25, 3.5], [37.35, 3.75], [37.25, 4.0], [37.47, 4.53], [37.82, 4.68], [37.85, 4.75], [37.75, 5.0]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.Eastern-Africa"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-09-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[37.47, 4.53], [37.82, 4.68], [37.85, 4.75], [37.75, 5.0], [37.85, 5.25], [37.75, 5.5], [37.97, 6.03], [38.5, 6.25], [38.75, 6.15], [39.0, 6.25], [39.53, 6.03], [39.75, 5.5], [39.65, 5.25], [39.75, 5.0], [39.53, 4.47], [39.18, 4.32], [39.15, 4.25], [39.25, 4.0], [39.03, 3.47], [38.68, 3.32], [38.53, 2.97], [38.0, 2.75], [37.47, 2.97], [37.25, 3.5], [37.35, 3.75], [37.25, 4.0], [37.47, 4.53]]], [[[41.0, 5.25], [40.47, 5.47], [40.25, 6.0], [40.47, 6.53], [41.0, 6.75], [41.53, 6.53], [41.75, 6.0], [41.53, 5.47], [41.0, 5.25]]]]}, "2024-09-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[37.25, 4.0], [37.47, 4.53], [37.82, 4.68], [37.85, 4.75], [37.75, 5.0], [37.85, 5.25], [37.75, 5.5], [37.97, 6.03], [38.5, 6.25], [38.75, 6.15], [39.0, 6.25], [39.5, 6.04], [40.0, 6.25], [40.25, 6.15], [40.32, 6.18], [40.47, 6.53], [41.0, 6.75], [41.53, 6.53], [41.75, 6.0], [41.53, 5.47], [41.18, 5.32], [41.03, 4.97], [40.68, 4.82], [40.53, 4.47], [40.13, 4.3], [40.25, 4.0], [40.15, 3.75], [40.25, 3.5], [40.03, 2.97], [39.5, 2.75], [39.25, 2.85], [39.0, 2.75], [38.75, 2.85], [38.5, 2.75], [38.25, 2.85], [38.0, 2.75], [37.47, 2.97], [37.25, 3.5], [37.35, 3.75], [37.25, 4.0]]]]}, "2024-09-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[37.25, 4.0], [37.47, 4.53], [37.82, 4.68], [37.85, 4.75], [37.75, 5.0], [37.85, 5.25], [37.75, 5.5], [37.97, 6.03], [38.5, 6.25], [38.75, 6.15], [39.0, 6.25], [39.5, 6.04], [40.0, 6.25], [40.25, 6.15], [40.32, 6.18], [40.47, 6.53], [41.0, 6.75], [41.53, 6.53], [41.75, 6.0], [41.53, 5.47], [41.18, 5.32], [41.03, 4.97], [40.68, 4.82], [40.53, 4.47], [40.13, 4.3], [40.25, 4.0], [40.15, 3.75], [40.25, 3.5], [40.03, 2.97], [39.5, 2.75], [39.25, 2.85], [39.0, 2.75], [38.75, 2.85], [38.5, 2.75], [38.25, 2.85], [38.0, 2.75], [37.47, 2.97], [37.25, 3.5], [37.35, 3.75], [37.25, 4.0]]]]}, "2024-09-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[37.25, 4.0], [37.47, 4.53], [37.82, 4.68], [37.85, 4.75], [37.75, 5.0], [37.85, 5.25], [37.75, 5.5], [37.97, 6.03], [38.5, 6.25], [38.75, 6.15], [39.0, 6.25], [39.5, 6.04], [40.0, 6.25], [40.25, 6.15], [40.32, 6.18], [40.47, 6.53], [41.0, 6.75], [41.53, 6.53], [41.75, 6.0], [41.53, 5.47], [41.18, 5.32], [41.03, 4.97], [40.68, 4.82], [40.53, 4.47], [40.13, 4.3], [40.25, 4.0], [40.15, 3.75], [40.25, 3.5], [40.03, 2.97], [39.5, 2.75], [39.25, 2.85], [39.0, 2.75], [38.75, 2.85], [38.5, 2.75], [38.25, 2.85], [38.0, 2.75], [37.47, 2.97], [37.25, 3.5], [37.35, 3.75], [37.25, 4.0]]]]}, "2024-10-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[37.25, 4.0], [37.47, 4.53], [37.82, 4.68], [37.85, 4.75], [37.75, 5.0], [37.85, 5.25], [37.75, 5.5], [37.97, 6.03], [38.5, 6.25], [38.75, 6.15], [39.0, 6.25], [39.5, 6.04], [40.0, 6.25], [40.25, 6.15], [40.32, 6.18], [40.47, 6.53], [41.0, 6.75], [41.53, 6.53], [41.75, 6.0], [41.53, 5.47], [41.18, 5.32], [41.03, 4.97], [40.68, 4.82], [40.53, 4.47], [40.13, 4.3], [40.25, 4.0], [40.15, 3.75], [40.25, 3.5], [40.03, 2.97], [39.5, 2.75], [39.25, 2.85], [39.0, 2.75], [38.75, 2.85], [38.5, 2.75], [38.25, 2.85], [38.0, 2.75], [37.47, 2.97], [37.25, 3.5], [37.35, 3.75], [37.25, 4.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.7998531278049654}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.137390502041769}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [24.843929968939904, 25.970334424470593, 25.17150790565887, 25.429775358501274, 25.46944968240308]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.945546722412132, 29.80812225341799, 28.71381276448568, 29.11867167154952, 28.963054911295615]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.8399817696408403, 2.5527754481126945, 1.7833841115058577, 2.1031334976208282, 2.2511467715386617]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.2925074171708957, 3.7998531278049654, 2.2773269815990034, 2.8268687581664267, 2.7097495482704517]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.635790260631202, 2.247449380370522, 1.582465799366438, 1.8084798241831221, 1.9155857299452634]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.0576916550153004, 3.5227231233836487, 2.0946221269526966, 2.5408693293474194, 2.414652453598145]}}