{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:45:44.463045", "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": "2010-Sep-12_to_2010-Sep-16_295.5_4.0"}, "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": 2010090002100}, "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": "September 12 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 16 2010"}, "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": 73930.27120441105}, "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": ["Brazil", "Venezuela"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.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": 4.0}, "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": 295.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "295.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 294.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 297.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 2.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 6.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-09-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-64.5, 4.75], [-63.97, 4.53], [-63.75, 4.0], [-63.97, 3.47], [-64.5, 3.25], [-65.03, 3.47], [-65.25, 4.0], [-65.03, 4.53], [-64.5, 4.75]]]]}, "2010-09-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-65.25, 4.5], [-65.03, 5.03], [-64.5, 5.25], [-63.97, 5.03], [-63.82, 4.68], [-63.47, 4.53], [-63.32, 4.18], [-62.97, 4.03], [-62.75, 3.5], [-62.97, 2.97], [-63.32, 2.82], [-63.47, 2.47], [-64.0, 2.25], [-64.53, 2.47], [-64.68, 2.82], [-65.03, 2.97], [-65.25, 3.5], [-65.15, 3.75], [-65.25, 4.0], [-65.15, 4.25], [-65.25, 4.5]]], [[[-65.03, 6.53], [-64.5, 6.75], [-63.97, 6.53], [-63.75, 6.0], [-63.97, 5.47], [-64.5, 5.25], [-65.03, 5.47], [-65.25, 6.0], [-65.03, 6.53]]]]}, "2010-09-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-65.65, 5.25], [-65.75, 5.5], [-65.53, 6.03], [-65.18, 6.18], [-65.03, 6.53], [-64.5, 6.75], [-64.25, 6.65], [-64.0, 6.75], [-63.47, 6.53], [-63.32, 6.18], [-63.25, 6.15], [-63.0, 6.25], [-62.47, 6.03], [-62.32, 5.68], [-61.97, 5.53], [-61.75, 5.0], [-61.85, 4.75], [-61.75, 4.5], [-61.85, 4.25], [-61.75, 4.0], [-61.97, 3.47], [-62.5, 3.25], [-62.8, 3.38], [-62.97, 2.97], [-63.32, 2.82], [-63.47, 2.47], [-64.0, 2.25], [-64.53, 2.47], [-64.68, 2.82], [-65.03, 2.97], [-65.25, 3.5], [-65.15, 3.75], [-65.18, 3.82], [-65.53, 3.97], [-65.75, 4.5], [-65.65, 4.75], [-65.75, 5.0], [-65.65, 5.25]]]]}, "2010-09-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-65.65, 5.25], [-65.75, 5.5], [-65.53, 6.03], [-65.18, 6.18], [-65.03, 6.53], [-64.5, 6.75], [-64.25, 6.65], [-64.0, 6.75], [-63.47, 6.53], [-63.32, 6.18], [-63.25, 6.15], [-63.0, 6.25], [-62.47, 6.03], [-62.32, 5.68], [-61.97, 5.53], [-61.75, 5.0], [-61.85, 4.75], [-61.75, 4.5], [-61.85, 4.25], [-61.75, 4.0], [-61.97, 3.47], [-62.5, 3.25], [-62.8, 3.38], [-62.97, 2.97], [-63.32, 2.82], [-63.47, 2.47], [-64.0, 2.25], [-64.53, 2.47], [-64.68, 2.82], [-65.03, 2.97], [-65.25, 3.5], [-65.15, 3.75], [-65.18, 3.82], [-65.53, 3.97], [-65.75, 4.5], [-65.65, 4.75], [-65.75, 5.0], [-65.65, 5.25]]]]}, "2010-09-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-65.65, 5.25], [-65.75, 5.5], [-65.53, 6.03], [-65.18, 6.18], [-65.03, 6.53], [-64.5, 6.75], [-64.25, 6.65], [-64.0, 6.75], [-63.47, 6.53], [-63.32, 6.18], [-63.25, 6.15], [-63.0, 6.25], [-62.47, 6.03], [-62.32, 5.68], [-61.97, 5.53], [-61.75, 5.0], [-61.85, 4.75], [-61.75, 4.5], [-61.85, 4.25], [-61.75, 4.0], [-61.97, 3.47], [-62.5, 3.25], [-63.03, 3.47], [-63.18, 3.82], [-63.25, 3.85], [-63.32, 3.82], [-63.35, 3.75], [-63.25, 3.5], [-63.47, 2.97], [-64.0, 2.75], [-64.53, 2.97], [-64.68, 3.32], [-65.03, 3.47], [-65.18, 3.82], [-65.53, 3.97], [-65.75, 4.5], [-65.65, 4.75], [-65.75, 5.0], [-65.65, 5.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.317939513496924}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.2279557435753623}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [22.341096004704866, 23.80785157180958, 24.663303145676707, 24.78721749168824, 24.909591245243575]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [22.341096004704866, 25.8643329952219, 26.290948215126207, 26.266774927472056, 26.3129955133125]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.0637771996971424, 1.0922917694540857, 1.1828813868851213, 1.3124671259791398, 1.2423843968955317]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.0637771996971424, 1.3305448365293842, 1.5017153501774487, 2.317939513496924, 1.601730145818351]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.7342748742453507, 1.675624040654243, 1.7984788742467817, 2.0424250907302453, 1.950420066883245]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7342748742453507, 2.029483246982014, 2.3698192162741054, 3.5236345166947323, 2.321665175552107]}}