{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:51:56.908648", "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": "2012-Nov-26_to_2012-Nov-30_344.5_13.0"}, "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": 2012110002598}, "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": "November 26 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 30 2012"}, "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": 150008.13641687474}, "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": ["Gambia", "Guinea", "Guinea-Bissau", "Mali", "Mauritania", "Senegal"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Sahara", "Western-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": 13.0}, "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": 344.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "344.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 343.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 349.25}, "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": 15.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2012-11-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-12.03, 11.97], [-12.25, 12.5], [-12.03, 13.03], [-11.5, 13.25], [-11.25, 13.15], [-11.0, 13.25], [-10.47, 13.03], [-10.25, 12.5], [-10.47, 11.97], [-11.0, 11.75], [-11.25, 11.85], [-11.5, 11.75], [-12.03, 11.97]]]]}, "2012-11-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-12.25, 12.5], [-12.03, 13.03], [-11.5, 13.25], [-11.25, 13.15], [-11.0, 13.25], [-10.47, 13.03], [-10.25, 12.5], [-10.47, 11.97], [-11.0, 11.75], [-11.25, 11.85], [-11.5, 11.75], [-12.03, 11.97], [-12.25, 12.5]]], [[[-16.0, 14.25], [-15.75, 14.15], [-15.5, 14.25], [-14.97, 14.03], [-14.82, 13.68], [-14.47, 13.53], [-14.25, 13.0], [-14.47, 12.47], [-15.0, 12.25], [-15.25, 12.35], [-15.5, 12.25], [-15.75, 12.35], [-16.0, 12.25], [-16.53, 12.47], [-16.75, 13.0], [-16.65, 13.25], [-16.75, 13.5], [-16.53, 14.03], [-16.0, 14.25]]]]}, "2012-11-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-17.03, 15.03], [-16.5, 15.25], [-16.25, 15.15], [-16.18, 15.18], [-16.03, 15.53], [-15.68, 15.68], [-15.53, 16.03], [-15.0, 16.25], [-14.75, 16.15], [-14.5, 16.25], [-14.25, 16.15], [-14.0, 16.25], [-13.75, 16.15], [-13.5, 16.25], [-13.25, 16.15], [-13.0, 16.25], [-12.47, 16.03], [-12.25, 15.5], [-12.35, 15.25], [-12.25, 15.0], [-12.35, 14.75], [-12.25, 14.5], [-12.37, 14.2], [-12.25, 14.15], [-12.0, 14.25], [-11.47, 14.03], [-11.25, 13.5], [-11.35, 13.25], [-11.32, 13.18], [-11.25, 13.15], [-11.0, 13.25], [-10.47, 13.03], [-10.25, 12.5], [-10.47, 11.97], [-11.0, 11.75], [-11.25, 11.85], [-11.5, 11.75], [-12.0, 11.96], [-12.5, 11.75], [-12.75, 11.85], [-13.0, 11.75], [-13.25, 11.85], [-13.5, 11.75], [-13.75, 11.85], [-14.0, 11.75], [-14.53, 11.97], [-14.68, 12.32], [-14.75, 12.35], [-15.0, 12.25], [-15.25, 12.35], [-15.5, 12.25], [-15.75, 12.35], [-16.0, 12.25], [-16.53, 12.47], [-16.75, 13.0], [-16.65, 13.25], [-16.68, 13.32], [-17.03, 13.47], [-17.25, 14.0], [-17.15, 14.25], [-17.25, 14.5], [-17.03, 15.03]]]]}, "2012-11-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-17.03, 15.03], [-16.5, 15.25], [-16.25, 15.15], [-16.18, 15.18], [-16.03, 15.53], [-15.68, 15.68], [-15.53, 16.03], [-15.0, 16.25], [-14.75, 16.15], [-14.5, 16.25], [-14.25, 16.15], [-14.0, 16.25], [-13.75, 16.15], [-13.5, 16.25], [-13.25, 16.15], [-13.0, 16.25], [-12.47, 16.03], [-12.25, 15.5], [-12.35, 15.25], [-12.25, 15.0], [-12.35, 14.75], [-12.25, 14.5], [-12.37, 14.2], [-12.25, 14.15], [-12.0, 14.25], [-11.47, 14.03], [-11.25, 13.5], [-11.35, 13.25], [-11.32, 13.18], [-11.25, 13.15], [-11.0, 13.25], [-10.47, 13.03], [-10.25, 12.5], [-10.47, 11.97], [-11.0, 11.75], [-11.25, 11.85], [-11.5, 11.75], [-12.0, 11.96], [-12.5, 11.75], [-12.75, 11.85], [-13.0, 11.75], [-13.25, 11.85], [-13.5, 11.75], [-13.75, 11.85], [-14.0, 11.75], [-14.53, 11.97], [-14.68, 12.32], [-14.75, 12.35], [-15.0, 12.25], [-15.25, 12.35], [-15.5, 12.25], [-15.75, 12.35], [-16.0, 12.25], [-16.53, 12.47], [-16.75, 13.0], [-16.65, 13.25], [-16.68, 13.32], [-17.03, 13.47], [-17.25, 14.0], [-17.15, 14.25], [-17.25, 14.5], [-17.03, 15.03]]]]}, "2012-11-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-17.03, 15.03], [-16.5, 15.25], [-16.25, 15.15], [-16.18, 15.18], [-16.03, 15.53], [-15.68, 15.68], [-15.53, 16.03], [-15.0, 16.25], [-14.75, 16.15], [-14.5, 16.25], [-14.25, 16.15], [-14.0, 16.25], [-13.75, 16.15], [-13.5, 16.25], [-13.25, 16.15], [-13.0, 16.25], [-12.47, 16.03], [-12.25, 15.5], [-12.35, 15.25], [-12.25, 15.0], [-12.35, 14.75], [-12.25, 14.5], [-12.37, 14.2], [-12.25, 14.15], [-12.0, 14.25], [-11.47, 14.03], [-11.25, 13.5], [-11.35, 13.25], [-11.25, 13.0], [-11.47, 12.47], [-11.82, 12.32], [-11.97, 11.97], [-12.5, 11.75], [-12.75, 11.85], [-13.0, 11.75], [-13.25, 11.85], [-13.5, 11.75], [-13.75, 11.85], [-14.0, 11.75], [-14.53, 11.97], [-14.68, 12.32], [-14.75, 12.35], [-15.0, 12.25], [-15.25, 12.35], [-15.5, 12.25], [-15.75, 12.35], [-16.0, 12.25], [-16.53, 12.47], [-16.75, 13.0], [-16.65, 13.25], [-16.68, 13.32], [-17.03, 13.47], [-17.25, 14.0], [-17.15, 14.25], [-17.25, 14.5], [-17.03, 15.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.598716510023678}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.4414416020944456}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.91195866665487, 28.270161011884852, 29.4921151464261, 29.188557450277244, 29.67972649428657]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [29.11629224132855, 28.815531586471764, 31.40764893376229, 31.10721626217122, 31.063660084455876]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.052677231937764, 1.666732600713788, 2.405945292202158, 2.2310581735087602, 2.826743241133542]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.2268465206880705, 1.9441589681929372, 3.1125977663609774, 3.0266639512641405, 3.598716510023678]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.7891500107783105, 1.436634696661028, 1.8380608514980574, 1.6356487398531323, 2.036819224170156]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.945135249836251, 1.6251823379193073, 2.1692901014940027, 2.047063009433109, 2.6023132262278685]}}