{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:02:20.641350", "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": "2015-Feb-02_to_2015-Feb-05_300.0_-12.5"}, "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": 2015020001390}, "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": "February 02 2015"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 05 2015"}, "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": 57096.761534828314}, "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": ["Bolivia", "Brazil"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["South-American-Monsoon"]}, "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": -12.5}, "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": 300.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "300.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 297.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 300.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -14.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -11.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2015-02-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-62.03, -13.47], [-61.5, -13.25], [-61.2, -13.38], [-61.15, -13.25], [-61.25, -13.0], [-61.03, -12.47], [-60.68, -12.32], [-60.53, -11.97], [-60.0, -11.75], [-59.47, -11.97], [-59.25, -12.5], [-59.35, -12.75], [-59.25, -13.0], [-59.35, -13.25], [-59.25, -13.5], [-59.35, -13.75], [-59.25, -14.0], [-59.47, -14.53], [-60.0, -14.75], [-60.53, -14.53], [-60.68, -14.18], [-60.8, -14.12], [-60.85, -14.25], [-60.75, -14.5], [-60.97, -15.03], [-61.5, -15.25], [-62.03, -15.03], [-62.25, -14.5], [-62.15, -14.25], [-62.25, -14.0], [-62.03, -13.47]]]]}, "2015-02-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-63.03, -13.47], [-62.68, -13.32], [-62.65, -13.25], [-62.75, -13.0], [-62.53, -12.47], [-62.0, -12.25], [-61.75, -12.35], [-61.5, -12.25], [-61.2, -12.38], [-61.15, -12.25], [-61.25, -12.0], [-61.03, -11.47], [-60.5, -11.25], [-59.97, -11.47], [-59.82, -11.82], [-59.47, -11.97], [-59.25, -12.5], [-59.35, -12.75], [-59.25, -13.0], [-59.35, -13.25], [-59.25, -13.5], [-59.35, -13.75], [-59.25, -14.0], [-59.47, -14.53], [-60.0, -14.75], [-60.3, -14.62], [-60.47, -15.03], [-61.0, -15.25], [-61.25, -15.15], [-61.5, -15.25], [-61.75, -15.15], [-62.0, -15.25], [-62.25, -15.15], [-62.5, -15.25], [-63.03, -15.03], [-63.25, -14.5], [-63.15, -14.25], [-63.25, -14.0], [-63.03, -13.47]]]]}, "2015-02-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-63.03, -13.47], [-62.68, -13.32], [-62.65, -13.25], [-62.75, -13.0], [-62.53, -12.47], [-62.0, -12.25], [-61.75, -12.35], [-61.5, -12.25], [-61.2, -12.38], [-61.15, -12.25], [-61.25, -12.0], [-61.03, -11.47], [-60.5, -11.25], [-59.97, -11.47], [-59.82, -11.82], [-59.47, -11.97], [-59.25, -12.5], [-59.35, -12.75], [-59.25, -13.0], [-59.35, -13.25], [-59.25, -13.5], [-59.35, -13.75], [-59.25, -14.0], [-59.47, -14.53], [-60.0, -14.75], [-60.3, -14.62], [-60.47, -15.03], [-61.0, -15.25], [-61.25, -15.15], [-61.5, -15.25], [-61.75, -15.15], [-62.0, -15.25], [-62.25, -15.15], [-62.5, -15.25], [-63.03, -15.03], [-63.25, -14.5], [-63.15, -14.25], [-63.25, -14.0], [-63.03, -13.47]]]]}, "2015-02-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-63.03, -13.47], [-62.68, -13.32], [-62.65, -13.25], [-62.75, -13.0], [-62.53, -12.47], [-62.0, -12.25], [-61.75, -12.35], [-61.5, -12.25], [-61.2, -12.38], [-61.15, -12.25], [-61.25, -12.0], [-61.03, -11.47], [-60.5, -11.25], [-59.97, -11.47], [-59.82, -11.82], [-59.47, -11.97], [-59.25, -12.5], [-59.35, -12.75], [-59.25, -13.0], [-59.35, -13.25], [-59.25, -13.5], [-59.35, -13.75], [-59.25, -14.0], [-59.47, -14.53], [-60.0, -14.75], [-60.3, -14.62], [-60.47, -15.03], [-61.0, -15.25], [-61.25, -15.15], [-61.5, -15.25], [-61.75, -15.15], [-62.0, -15.25], [-62.25, -15.15], [-62.5, -15.25], [-63.03, -15.03], [-63.25, -14.5], [-63.15, -14.25], [-63.25, -14.0], [-63.03, -13.47]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.2047795734438296}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.4706335999465077}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.056502112154647, 26.57968532343307, 26.456755453154244, 26.848804768369575]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.939192527570867, 27.502620174032813, 27.373529184988286, 28.110930682080664]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.289822339532229, 1.447191494103319, 1.3199106196792807, 1.7209297430734618]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.4729413634448179, 1.9595926749408363, 1.5080668491676192, 2.2047795734438296]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3950128200434149, 1.4938244303473633, 1.346812551394849, 1.7103331050730541]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5735952561541215, 1.787124126130076, 1.591845541067594, 2.174868994365894]}}