{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:01:35.960459", "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-Oct-16_to_2024-Oct-24_7.5_12.0"}, "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": 2024100001776}, "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 16 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 24 2024"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 9}, "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": 66921.2963813614}, "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": ["Nigeria"]}, "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": 12.0}, "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": 7.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "7.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 7.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 9.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 8.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 12.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[6.97, 12.53], [7.5, 12.75], [7.75, 12.65], [8.0, 12.75], [8.53, 12.53], [8.75, 12.0], [8.57, 11.57], [9.0, 11.75], [9.53, 11.53], 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11.53], [9.75, 11.0], [9.65, 10.75], [9.75, 10.5], [9.53, 9.97], [9.0, 9.75], [8.75, 9.85], [8.5, 9.75], [7.97, 9.97], [7.75, 10.5], [7.97, 11.03], [8.32, 11.18], [8.47, 11.53], [9.0, 11.75]]], [[[7.5, 11.25], [6.97, 11.47], [6.75, 12.0], [6.97, 12.53], [7.5, 12.75], [8.03, 12.53], [8.25, 12.0], [8.03, 11.47], [7.5, 11.25]]]]}, "2024-10-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[9.0, 11.75], [9.53, 11.53], [9.75, 11.0], [9.65, 10.75], [9.75, 10.5], [9.53, 9.97], [9.0, 9.75], [8.75, 9.85], [8.5, 9.75], [7.97, 9.97], [7.75, 10.5], [7.97, 11.03], [8.32, 11.18], [8.47, 11.53], [9.0, 11.75]]], [[[7.5, 11.25], [6.97, 11.47], [6.75, 12.0], [6.97, 12.53], [7.5, 12.75], [8.03, 12.53], [8.25, 12.0], [8.03, 11.47], [7.5, 11.25]]]]}, "2024-10-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[6.47, 10.97], [6.25, 11.5], [6.47, 12.03], [6.82, 12.18], [6.97, 12.53], [7.5, 12.75], [8.03, 12.53], [8.25, 12.0], [8.15, 11.75], [8.18, 11.68], [8.5, 11.54], [9.0, 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"max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.0920196384284964}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.4289821864283738}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.018533325195335, 26.207251485188806, 26.150713857014978, 26.10759266040941, 26.354245758056663, 25.854187168219084, 26.314967091878316, 26.270627691806908, 26.619672393798908]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [25.018533325195335, 27.32960662841799, 27.434588368733728, 27.231607055664085, 27.900866444905603, 27.927911376953148, 28.577392832438193, 29.295210774739587, 29.234988149007165]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.1858360735203632, 1.5487463865212732, 1.4768590758470594, 1.340547046208826, 1.359104671611874, 1.4526267517798819, 1.4212686151588656, 1.4185756580596813, 1.5388372857915158]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.1858360735203632, 1.967440232340664, 1.699348501480415, 1.5940487023800642, 1.655190874490188, 2.0920196384284964, 2.0810554444862532, 1.9114929610157674, 1.7878401287413226]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.389565126715684, 1.7271278458657895, 1.6103540013152047, 1.5870822944619962, 1.6192516816043696, 1.7518174090140162, 1.7059470333167956, 1.7232383263259847, 1.9781114466705425]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.389565126715684, 2.389274152130271, 1.727922817422817, 1.8691687746834862, 1.9400114638686157, 2.5683051421408103, 2.457433609280726, 2.2629671207478825, 2.654075206525295]}}