{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:52:20.280422", "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": "2024-Jun-29_to_2024-Jul-05_352.0_22.5"}, "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": 2024060002565}, "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": "June 29 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 05 2024"}, "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": 72215.73426653736}, "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": 22.5}, "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": 352.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "352.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 347.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 352.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 18.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 22.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-06-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-8.0, 23.25], [-7.47, 23.03], [-7.25, 22.5], [-7.47, 21.97], [-8.0, 21.75], [-8.53, 21.97], [-8.75, 22.5], [-8.53, 23.03], [-8.0, 23.25]]]]}, "2024-06-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-10.03, 21.97], [-10.25, 22.5], [-10.03, 23.03], [-9.5, 23.25], [-9.0, 23.04], [-8.5, 23.25], [-8.25, 23.15], [-8.0, 23.25], [-7.47, 23.03], [-7.25, 22.5], [-7.47, 21.97], [-8.0, 21.75], [-8.25, 21.85], [-8.5, 21.75], [-9.0, 21.96], [-9.5, 21.75], [-10.03, 21.97]]]]}, "2024-07-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-10.03, 21.97], [-10.25, 22.5], [-10.03, 23.03], [-9.5, 23.25], [-9.0, 23.04], [-8.5, 23.25], [-8.25, 23.15], [-8.0, 23.25], [-7.47, 23.03], [-7.25, 22.5], [-7.47, 21.97], [-8.0, 21.75], [-8.25, 21.85], [-8.5, 21.75], [-9.0, 21.96], [-9.5, 21.75], [-10.03, 21.97]]]]}, "2024-07-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-10.75, 20.5], [-10.65, 20.75], [-10.75, 21.0], [-10.65, 21.25], [-10.75, 21.5], [-10.53, 22.03], [-10.18, 22.18], [-10.15, 22.25], [-10.25, 22.5], [-10.03, 23.03], [-9.5, 23.25], [-9.25, 23.15], [-9.0, 23.25], [-8.75, 23.15], [-8.5, 23.25], [-8.25, 23.15], [-8.0, 23.25], [-7.47, 23.03], [-7.25, 22.5], [-7.47, 21.97], [-7.82, 21.82], [-7.97, 21.47], [-8.32, 21.32], [-8.35, 21.25], [-8.25, 21.0], [-8.47, 20.47], [-8.82, 20.32], [-8.97, 19.97], [-9.37, 19.8], [-9.25, 19.5], [-9.47, 18.97], [-10.0, 18.75], [-10.3, 18.88], [-10.47, 18.47], [-11.0, 18.25], [-11.53, 18.47], [-11.75, 19.0], [-11.53, 19.53], [-11.0, 19.75], [-10.7, 19.62], [-10.54, 20.0], [-10.75, 20.5]]]]}, "2024-07-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-12.25, 20.0], [-12.03, 20.53], [-11.5, 20.75], [-11.25, 20.65], [-11.18, 20.68], [-11.03, 21.03], [-10.68, 21.18], [-10.65, 21.25], [-10.75, 21.5], [-10.53, 22.03], [-10.18, 22.18], [-10.15, 22.25], [-10.25, 22.5], [-10.03, 23.03], [-9.5, 23.25], [-9.25, 23.15], [-9.0, 23.25], [-8.75, 23.15], [-8.5, 23.25], [-8.25, 23.15], [-8.0, 23.25], [-7.47, 23.03], [-7.25, 22.5], [-7.47, 21.97], [-7.82, 21.82], [-7.97, 21.47], [-8.32, 21.32], [-8.35, 21.25], [-8.25, 21.0], [-8.47, 20.47], [-8.82, 20.32], [-8.97, 19.97], [-9.37, 19.8], [-9.25, 19.5], [-9.47, 18.97], [-10.0, 18.75], [-10.3, 18.88], [-10.47, 18.47], [-11.0, 18.25], [-11.25, 18.35], [-11.5, 18.25], [-11.75, 18.35], [-12.0, 18.25], [-12.53, 18.47], [-12.75, 19.0], [-12.53, 19.53], [-12.18, 19.68], [-12.15, 19.75], [-12.25, 20.0]]]]}, "2024-07-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-12.25, 20.0], [-12.03, 20.53], [-11.5, 20.75], [-11.25, 20.65], [-11.18, 20.68], [-11.03, 21.03], [-10.68, 21.18], [-10.65, 21.25], [-10.75, 21.5], [-10.53, 22.03], [-10.18, 22.18], [-10.03, 22.53], [-9.68, 22.68], [-9.53, 23.03], [-9.0, 23.25], [-8.47, 23.03], [-8.32, 22.68], [-7.97, 22.53], [-7.75, 22.0], [-7.97, 21.47], [-8.32, 21.32], [-8.35, 21.25], [-8.25, 21.0], [-8.47, 20.47], [-8.82, 20.32], [-8.97, 19.97], [-9.37, 19.8], [-9.25, 19.5], [-9.47, 18.97], [-10.0, 18.75], [-10.3, 18.88], [-10.47, 18.47], [-11.0, 18.25], [-11.25, 18.35], [-11.5, 18.25], [-11.75, 18.35], [-12.0, 18.25], [-12.53, 18.47], [-12.75, 19.0], [-12.53, 19.53], [-12.18, 19.68], [-12.15, 19.75], [-12.25, 20.0]]]]}, "2024-07-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-12.25, 20.0], [-12.03, 20.53], [-11.5, 20.75], [-11.25, 20.65], [-11.18, 20.68], [-11.03, 21.03], [-10.68, 21.18], [-10.53, 21.53], [-10.12, 21.7], [-10.25, 22.0], [-10.03, 22.53], [-9.5, 22.75], [-8.97, 22.53], [-8.75, 22.0], [-8.97, 21.47], [-9.37, 21.3], [-9.25, 21.0], [-9.47, 20.47], [-9.82, 20.32], [-9.85, 20.25], [-9.75, 20.0], [-9.97, 19.47], [-10.32, 19.32], [-10.47, 18.97], [-10.82, 18.82], [-10.97, 18.47], [-11.5, 18.25], [-11.75, 18.35], [-12.0, 18.25], [-12.53, 18.47], [-12.75, 19.0], [-12.53, 19.53], [-12.18, 19.68], [-12.15, 19.75], [-12.25, 20.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.799133026545519}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.034332242041087}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [38.78579379889351, 38.69413085727632, 38.32057826793283, 37.33195918798447, 38.3431345117333, 37.10953643146456, 36.144146530722765]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [38.78579379889351, 39.16692863499168, 38.566234798308244, 39.601902513916, 40.5570502168062, 38.80548058436091, 37.256607515149256]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.8112855587261265, 3.047574299735705, 2.5857602790142473, 2.6780151950505577, 3.881401049466256, 2.8143426370746325, 2.15927997421943]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.8112855587261265, 3.131056417509626, 2.9821393375429466, 3.4414985183992144, 4.799133026545519, 3.89102593437525, 2.615562339170708]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.2703325786190642, 1.2629292814077822, 1.0693815684848074, 1.358306632625771, 2.207287295057889, 1.7205190407087583, 1.4060304277781062]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.2703325786190642, 1.4275041387125502, 1.0969062033997588, 1.6231930398054368, 3.0154019697651497, 2.7359403658227293, 1.6769340182844636]}}