{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:10:26.444383", "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": "2026-Feb-06_to_2026-Feb-11_11.0_-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": 2026020001372}, "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": "February 06 2026"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 11 2026"}, "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": 67609.36934434989}, "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"]}, "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": ["Atlantic Ocean"]}, "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": 11.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "11.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 10.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 13.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -8.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -3.75}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[10.35, -5.25], [10.25, -5.0], [10.35, -4.75], [10.32, -4.68], [9.97, -4.53], [9.75, -4.0], [9.97, -3.47], [10.5, -3.25], [11.03, -3.47], [11.18, -3.82], [11.25, -3.85], [11.5, -3.75], [12.03, -3.97], [12.25, -4.5], [12.15, -4.75], [12.18, -4.82], [12.53, -4.97], [12.75, -5.5], [12.65, -5.75], [12.68, -5.82], [13.03, -5.97], [13.25, -6.5], [13.15, -6.75], [13.18, -6.82], [13.53, -6.97], [13.75, -7.5], [13.65, -7.75], [13.75, -8.0], [13.53, -8.53], [13.0, -8.75], [12.47, -8.53], [12.25, -8.0], [12.35, -7.75], [12.32, -7.68], [12.25, -7.65], [12.0, -7.75], [11.75, -7.65], [11.5, -7.75], [11.25, -7.65], [11.0, -7.75], [10.47, -7.53], [10.32, -7.18], [9.97, -7.03], [9.75, -6.5], [9.85, -6.25], [9.75, -6.0], [9.97, -5.47], [10.32, -5.32], [10.35, -5.25]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Central-Africa"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2026-02-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[9.75, -6.0], [9.97, -5.47], [10.32, -5.32], [10.35, -5.25], [10.25, -5.0], [10.47, -4.47], [11.0, -4.25], [11.53, -4.47], [11.75, -5.0], [11.65, -5.25], [11.68, -5.32], [11.75, -5.35], [12.0, -5.25], [12.53, -5.47], [12.75, -6.0], [12.53, -6.53], [12.18, -6.68], [12.03, -7.03], [11.68, -7.18], [11.53, -7.53], [11.0, -7.75], [10.47, -7.53], [10.32, -7.18], [9.97, -7.03], [9.75, -6.5], [9.85, -6.25], [9.75, -6.0]]]]}, "2026-02-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[9.75, -6.0], [9.97, -5.47], [10.32, -5.32], [10.35, -5.25], [10.25, -5.0], [10.35, -4.75], [10.32, -4.68], [9.97, -4.53], [9.75, -4.0], [9.97, -3.47], [10.5, -3.25], [11.03, -3.47], [11.18, -3.82], [11.25, -3.85], [11.5, -3.75], [12.03, -3.97], [12.25, -4.5], [12.15, -4.75], [12.18, -4.82], [12.53, -4.97], [12.75, -5.5], [12.65, -5.75], [12.68, -5.82], [13.03, -5.97], [13.25, -6.5], [13.15, -6.75], [13.25, -7.0], [13.13, -7.3], [13.53, -7.47], [13.75, -8.0], [13.53, -8.53], [13.0, -8.75], [12.47, -8.53], [12.25, 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1.5709789440165878}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.0795126002497684}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.1459765116374, 27.99642757839632, 27.971238361705446, 28.211383727102543, 28.159655881395565, 27.91646219889327]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.375867462158226, 28.176738993326865, 28.297073618571005, 28.51724014282229, 28.505507405598962, 27.91646219889327]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.0009636585385522, 0.9933902104839349, 0.991418896685174, 1.2137550472403509, 1.1793010632631469, 0.9618959758452661]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.1436889250049944, 1.1765777448451331, 1.2185083555187362, 1.386342271726221, 1.5709789440165878, 0.9618959758452661]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4512936810511312, 1.4277950328783677, 1.4430557892850124, 1.7672146891338385, 1.764763838609871, 1.5146193873789608]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.72176201720552, 1.7024984702606483, 1.7388984944158885, 1.9942911236340095, 2.4521742466950593, 1.5146193873789608]}}