{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:51:55.572170", "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-23_to_2012-Nov-26_349.5_30.0"}, "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": 2012110002463}, "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 23 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 26 2012"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 169019.16404047082}, "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": ["Morocco"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Mediterranean", "N.Atlantic-Ocean", "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": ["North 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": 30.0}, "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": 349.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "349.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 347.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 353.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 26.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 35.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2012-11-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-11.25, 31.0], [-11.03, 31.53], [-10.68, 31.68], [-10.53, 32.03], [-10.0, 32.25], [-9.57, 32.07], [-9.75, 32.5], [-9.53, 33.03], [-9.0, 33.25], [-8.5, 33.04], [-8.0, 33.25], [-7.47, 33.03], [-7.25, 32.5], [-7.47, 31.97], [-8.0, 31.75], [-8.5, 31.96], [-9.0, 31.75], [-9.43, 31.93], [-9.25, 31.5], [-9.35, 31.25], [-9.25, 31.0], [-9.35, 30.75], [-9.25, 30.5], [-9.35, 30.25], [-9.25, 30.0], [-9.47, 29.47], [-10.0, 29.25], [-10.25, 29.35], [-10.5, 29.25], [-10.75, 29.35], [-11.0, 29.25], [-11.53, 29.47], [-11.75, 30.0], [-11.53, 30.53], [-11.18, 30.68], [-11.15, 30.75], [-11.25, 31.0]]]]}, "2012-11-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-13.25, 30.5], [-13.03, 31.03], [-12.68, 31.18], [-12.53, 31.53], [-12.0, 31.75], [-11.75, 31.65], [-11.68, 31.68], [-11.53, 32.03], [-11.0, 32.25], [-10.75, 32.15], [-10.68, 32.18], [-10.53, 32.53], [-10.18, 32.68], [-10.15, 32.75], [-10.25, 33.0], [-10.03, 33.53], [-9.68, 33.68], [-9.65, 33.75], [-9.75, 34.0], [-9.53, 34.53], [-9.0, 34.75], [-8.75, 34.65], [-8.68, 34.68], [-8.53, 35.03], [-8.0, 35.25], [-7.75, 35.15], [-7.68, 35.18], [-7.53, 35.53], [-7.0, 35.75], [-6.75, 35.65], [-6.5, 35.75], [-5.97, 35.53], [-5.75, 35.0], [-5.97, 34.47], [-6.32, 34.32], [-6.35, 34.25], [-6.25, 34.0], [-6.35, 33.75], [-6.25, 33.5], [-6.35, 33.25], [-6.25, 33.0], [-6.47, 32.47], [-7.0, 32.25], [-7.25, 32.35], [-7.32, 32.32], [-7.47, 31.97], [-8.0, 31.75], [-8.25, 31.85], [-8.5, 31.75], [-8.75, 31.85], [-8.82, 31.82], [-8.97, 31.47], [-9.32, 31.32], [-9.35, 31.25], [-9.25, 31.0], [-9.35, 30.75], [-9.25, 30.5], [-9.35, 30.25], [-9.25, 30.0], [-9.47, 29.47], [-9.82, 29.32], [-9.85, 29.25], [-9.75, 29.0], [-9.85, 28.75], [-9.75, 28.5], [-9.97, 27.97], [-10.32, 27.82], [-10.47, 27.47], [-10.82, 27.32], [-10.97, 26.97], [-11.32, 26.82], [-11.47, 26.47], [-12.0, 26.25], [-12.53, 26.47], [-12.75, 27.0], [-12.65, 27.25], [-12.75, 27.5], [-12.65, 27.75], [-12.75, 28.0], [-12.65, 28.25], [-12.75, 28.5], [-12.65, 28.75], [-12.75, 29.0], [-12.65, 29.25], [-12.75, 29.5], [-12.65, 29.75], [-12.68, 29.82], [-13.03, 29.97], [-13.25, 30.5]]]]}, "2012-11-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-13.25, 30.5], [-13.03, 31.03], [-12.68, 31.18], [-12.53, 31.53], [-12.0, 31.75], [-11.75, 31.65], [-11.68, 31.68], [-11.53, 32.03], [-11.0, 32.25], [-10.75, 32.15], [-10.68, 32.18], [-10.53, 32.53], [-10.18, 32.68], [-10.15, 32.75], [-10.25, 33.0], [-10.03, 33.53], [-9.68, 33.68], [-9.65, 33.75], [-9.75, 34.0], [-9.53, 34.53], [-9.0, 34.75], [-8.75, 34.65], [-8.68, 34.68], [-8.53, 35.03], [-8.0, 35.25], [-7.75, 35.15], [-7.68, 35.18], [-7.53, 35.53], [-7.0, 35.75], [-6.75, 35.65], [-6.5, 35.75], [-5.97, 35.53], [-5.75, 35.0], [-5.97, 34.47], [-6.32, 34.32], [-6.35, 34.25], [-6.25, 34.0], [-6.35, 33.75], [-6.25, 33.5], [-6.35, 33.25], [-6.25, 33.0], [-6.47, 32.47], [-7.0, 32.25], [-7.25, 32.35], [-7.32, 32.32], [-7.47, 31.97], [-8.0, 31.75], [-8.25, 31.85], [-8.5, 31.75], [-8.75, 31.85], [-8.82, 31.82], [-8.97, 31.47], [-9.32, 31.32], [-9.35, 31.25], 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29.25], [-12.75, 29.5], [-12.65, 29.75], [-12.68, 29.82], [-13.03, 29.97], [-13.25, 30.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 5.0350650285605525}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.6079751672732225}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [19.568345148206276, 19.7333233958326, 20.585786752204285, 19.88037674300739]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [20.755408422918038, 21.31967083362241, 22.817373619160946, 22.09489208097233]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.9936151881573836, 2.269743243213304, 3.1652169403356334, 2.4849590650075797]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.1463069893873694, 3.489933674253109, 5.0350650285605525, 4.502696487571029]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4482938251430628, 1.5959889474427358, 2.265444702255067, 1.772998540151666]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.630157154870149, 2.1076884780218372, 2.9038711969279483, 2.609536237173834]}}