{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:52:39.649499", "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-Feb-05_to_2013-Feb-11_22.0_8.0"}, "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": 2013020001392}, "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 05 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 11 2013"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 7}, "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": 64153.70889308026}, "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"]}, "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": 8.0}, "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": 22.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "22.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 20.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 24.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 7.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 10.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-02-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[23.03, 9.03], [23.25, 8.5], [23.03, 7.97], [22.68, 7.82], [22.53, 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9.18]]]]}, "2013-02-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[21.35, 8.75], [21.25, 9.0], [21.35, 9.25], [21.25, 9.5], [21.47, 10.03], [21.82, 10.18], [21.85, 10.25], [21.75, 10.5], [21.97, 11.03], [22.5, 11.25], [23.03, 11.03], [23.18, 10.68], [23.53, 10.53], [23.75, 10.0], [23.54, 9.5], [23.7, 9.13], [24.0, 9.25], [24.53, 9.03], [24.75, 8.5], [24.53, 7.97], [24.0, 7.75], [23.47, 7.97], [23.3, 8.38], [23.18, 8.32], [23.03, 7.97], [22.68, 7.82], [22.53, 7.47], [22.0, 7.25], [21.47, 7.47], [21.25, 8.0], [21.35, 8.25], [21.25, 8.5], [21.35, 8.75]]]]}, "2013-02-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[21.32, 9.18], [21.35, 9.25], [21.25, 9.5], [21.47, 10.03], [21.82, 10.18], [21.97, 10.53], [22.5, 10.75], [23.03, 10.53], [23.25, 10.0], [23.15, 9.75], [23.18, 9.68], [23.53, 9.53], [23.68, 9.18], [23.75, 9.15], [24.0, 9.25], [24.53, 9.03], [24.75, 8.5], [24.65, 8.25], [24.75, 8.0], [24.53, 7.47], [24.0, 7.25], [23.75, 7.35], [23.5, 7.25], 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mean t2m anomalies.", "value": [3.2951647689722336, 3.5646025895514035, 3.346662699728668, 3.2690616924142906, 3.383745168268233, 3.6859913020749313, 3.2244805714830393]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.624434977229214, 4.01017205048214, 3.871471596807851, 3.7923831404858674, 4.2274076477109475, 4.552947102073404, 3.4711197352517047]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.371965613692992, 1.4562705316817566, 1.3417220066623816, 1.3587138546305872, 1.3996234842714523, 1.59032617015962, 1.5872273598611344]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4513700630813953, 1.5750395214715796, 1.520726379416968, 1.5056931602058399, 1.5744183285989484, 1.8500394484250038, 1.8575340500983586]}}