{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:34:45.638963", "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": "2023-Mar-28_to_2023-Mar-31_294.0_-26.0"}, "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": 2023030002468}, "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": "March 28 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 31 2023"}, "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": 53503.7906017949}, "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": ["Argentina"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.E.South-America"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["South America"]}, "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": -26.0}, "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": 294.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "294.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 293.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 296.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -26.25}, "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": {"2023-03-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-66.65, -25.25], [-66.75, -25.0], [-66.53, -24.47], [-66.12, -24.3], [-66.25, -24.0], [-66.03, -23.47], [-65.68, -23.32], [-65.53, -22.97], [-65.0, -22.75], [-64.47, -22.97], [-64.25, -23.5], [-64.47, -24.03], [-64.82, -24.18], [-64.97, -24.53], [-65.37, -24.7], [-65.25, -25.0], [-65.35, -25.25], [-65.25, -25.5], [-65.35, -25.75], [-65.25, -26.0], [-65.47, -26.53], [-66.0, -26.75], [-66.53, -26.53], [-66.75, -26.0], [-66.65, -25.75], [-66.75, -25.5], [-66.65, -25.25]]]]}, "2023-03-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-66.65, -25.25], [-66.75, -25.0], [-66.53, -24.47], [-66.18, -24.32], [-66.15, -24.25], [-66.25, -24.0], [-66.03, -23.47], [-65.68, -23.32], [-65.53, -22.97], [-65.18, -22.82], [-65.03, -22.47], [-64.5, -22.25], [-64.25, -22.35], [-64.0, -22.25], [-63.47, -22.47], [-63.25, -23.0], [-63.35, -23.25], [-63.25, -23.5], [-63.35, -23.75], [-63.25, -24.0], [-63.35, -24.25], [-63.25, -24.5], [-63.47, -25.03], [-64.0, -25.25], [-64.25, -25.15], [-64.32, -25.18], [-64.47, -25.53], [-64.82, -25.68], [-64.97, -26.03], [-65.32, -26.18], [-65.47, -26.53], [-66.0, -26.75], [-66.53, -26.53], [-66.75, -26.0], [-66.65, -25.75], [-66.75, -25.5], [-66.65, -25.25]]]]}, "2023-03-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-66.65, -25.25], [-66.75, -25.0], [-66.53, -24.47], [-66.18, -24.32], [-66.15, -24.25], [-66.25, -24.0], [-66.03, -23.47], [-65.68, -23.32], [-65.53, -22.97], [-65.18, -22.82], [-65.03, -22.47], [-64.5, -22.25], [-64.25, -22.35], [-64.0, -22.25], [-63.47, -22.47], [-63.25, -23.0], [-63.35, -23.25], [-63.25, -23.5], [-63.35, -23.75], [-63.25, -24.0], [-63.35, -24.25], [-63.25, -24.5], [-63.47, -25.03], [-64.0, -25.25], [-64.25, -25.15], [-64.32, -25.18], [-64.47, -25.53], [-64.82, -25.68], [-64.97, -26.03], [-65.32, -26.18], [-65.47, -26.53], [-66.0, -26.75], [-66.53, -26.53], [-66.75, -26.0], [-66.65, -25.75], [-66.75, -25.5], [-66.65, -25.25]]]]}, "2023-03-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-66.25, -25.0], [-66.15, -24.75], [-66.25, -24.5], [-66.03, -23.97], [-65.68, -23.82], [-65.53, -23.47], [-65.18, -23.32], [-65.15, -23.25], [-65.25, -23.0], [-65.03, -22.47], [-64.5, -22.25], [-64.25, -22.35], [-64.0, -22.25], [-63.47, -22.47], [-63.25, -23.0], [-63.35, -23.25], [-63.25, -23.5], [-63.35, -23.75], [-63.25, -24.0], [-63.35, -24.25], [-63.25, -24.5], [-63.47, -25.03], [-64.0, -25.25], [-64.25, -25.15], [-64.32, -25.18], [-64.47, -25.53], [-64.82, -25.68], [-64.97, -26.03], [-65.32, -26.18], [-65.47, -26.53], [-66.0, -26.75], [-66.53, -26.53], [-66.75, -26.0], [-66.53, -25.47], [-66.18, -25.32], [-66.15, -25.25], [-66.25, -25.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 6.865838900982283}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.167604254194727}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [15.646466551324295, 22.172368522329464, 23.11245055438451, 23.2743828901489]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [18.316769808624827, 28.072738868468093, 30.73494193167744, 28.412582651706145]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.7711851211859653, 4.035812756693094, 5.047279370976047, 3.68575804744338]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.094039911375603, 5.107230496406942, 6.865838900982283, 4.457869960573646]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.334414533640383, 1.75809201978826, 2.125694669613295, 1.4913124185631612]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.3914454011206918, 2.173477861656379, 2.75197161364953, 1.9004200478700846]}}