{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:51:56.889858", "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-28_350.5_21.0"}, "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": 2012110002603}, "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 28 2012"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "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": 66225.319595118}, "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": ["Mauritania"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Sahara"]}, "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": 21.0}, "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": 350.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "350.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 348.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 353.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 19.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 23.75}, "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": [[[[-10.5, 21.25], [-10.25, 21.15], [-10.18, 21.18], [-10.03, 21.53], [-9.5, 21.75], [-9.25, 21.65], [-9.18, 21.68], [-9.15, 21.75], [-9.25, 22.0], [-9.03, 22.53], [-8.68, 22.68], [-8.53, 23.03], [-8.18, 23.18], [-8.03, 23.53], [-7.68, 23.68], [-7.53, 24.03], [-7.0, 24.25], [-6.47, 24.03], [-6.25, 23.5], [-6.35, 23.25], [-6.25, 23.0], [-6.47, 22.47], [-6.82, 22.32], [-6.85, 22.25], [-6.75, 22.0], [-6.97, 21.47], [-7.32, 21.32], [-7.35, 21.25], [-7.25, 21.0], [-7.47, 20.47], [-7.82, 20.32], [-7.97, 19.97], [-8.5, 19.75], [-8.75, 19.85], [-8.82, 19.82], [-8.97, 19.47], [-9.5, 19.25], [-9.75, 19.35], [-10.0, 19.25], [-10.25, 19.35], [-10.5, 19.25], [-10.75, 19.35], [-11.0, 19.25], [-11.53, 19.47], [-11.75, 20.0], [-11.53, 20.53], [-11.18, 20.68], [-11.03, 21.03], [-10.5, 21.25]]]]}, "2012-11-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-10.5, 21.25], [-10.25, 21.15], [-10.18, 21.18], [-10.03, 21.53], [-9.5, 21.75], [-9.25, 21.65], [-9.18, 21.68], [-9.15, 21.75], [-9.25, 22.0], [-9.03, 22.53], [-8.68, 22.68], [-8.53, 23.03], [-8.18, 23.18], [-8.03, 23.53], [-7.68, 23.68], [-7.53, 24.03], [-7.0, 24.25], [-6.47, 24.03], [-6.25, 23.5], [-6.35, 23.25], [-6.25, 23.0], [-6.47, 22.47], [-6.82, 22.32], [-6.85, 22.25], [-6.75, 22.0], [-6.97, 21.47], [-7.32, 21.32], [-7.35, 21.25], [-7.25, 21.0], [-7.47, 20.47], [-7.82, 20.32], [-7.97, 19.97], [-8.5, 19.75], [-8.75, 19.85], [-8.82, 19.82], [-8.97, 19.47], [-9.5, 19.25], [-9.75, 19.35], [-10.0, 19.25], [-10.25, 19.35], [-10.5, 19.25], [-10.75, 19.35], [-11.0, 19.25], [-11.53, 19.47], [-11.75, 20.0], [-11.53, 20.53], [-11.18, 20.68], [-11.03, 21.03], [-10.5, 21.25]]]]}, "2012-11-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-10.5, 21.25], [-10.25, 21.15], [-10.18, 21.18], [-10.03, 21.53], [-9.5, 21.75], [-9.25, 21.65], [-9.18, 21.68], [-9.15, 21.75], [-9.25, 22.0], [-9.03, 22.53], [-8.68, 22.68], [-8.53, 23.03], [-8.18, 23.18], [-8.03, 23.53], [-7.68, 23.68], [-7.53, 24.03], [-7.0, 24.25], [-6.47, 24.03], [-6.25, 23.5], [-6.35, 23.25], [-6.25, 23.0], [-6.47, 22.47], [-6.82, 22.32], [-6.85, 22.25], [-6.75, 22.0], [-6.97, 21.47], [-7.32, 21.32], [-7.35, 21.25], [-7.25, 21.0], [-7.47, 20.47], [-7.82, 20.32], [-7.97, 19.97], [-8.5, 19.75], [-8.75, 19.85], [-8.82, 19.82], [-8.97, 19.47], [-9.5, 19.25], [-9.75, 19.35], [-10.0, 19.25], [-10.25, 19.35], [-10.5, 19.25], [-10.75, 19.35], [-11.0, 19.25], [-11.53, 19.47], [-11.75, 20.0], [-11.53, 20.53], [-11.18, 20.68], [-11.03, 21.03], [-10.5, 21.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.114404295430177}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.396277360233475}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [22.951898094702926, 22.530023201837878, 22.98516985801018]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [24.058790280702453, 23.59633387574246, 24.434265523538045]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.3614311284036917, 3.138915691519586, 3.6884852607771466]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.114404295430177, 3.483173803459124, 4.099086812002156]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5400935544328591, 1.4306763581221085, 1.624993281263055]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8829810037891777, 1.587392225078027, 1.8110810171901448]}}