{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:19:24.968519", "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": "2019-Mar-13_to_2019-Mar-16_298.5_-10.5"}, "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": 2019030001761}, "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 13 2019"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 16 2019"}, "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": 57677.23350362851}, "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"]}, "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": -10.5}, "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": 298.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "298.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 296.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 299.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -12.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -9.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2019-03-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-64.25, -10.0], [-64.03, -9.47], [-63.5, -9.25], [-63.25, -9.35], [-63.0, -9.25], [-62.75, -9.35], [-62.5, -9.25], [-62.25, -9.35], [-62.0, -9.25], [-61.75, -9.35], [-61.5, -9.25], [-60.97, -9.47], [-60.82, -9.82], [-60.47, -9.97], [-60.25, -10.5], [-60.47, -11.03], [-60.82, -11.18], [-60.97, -11.53], [-61.32, -11.68], [-61.35, -11.75], [-61.25, -12.0], [-61.35, -12.25], [-61.25, -12.5], [-61.47, -13.03], [-62.0, -13.25], [-62.53, -13.03], [-62.68, -12.68], [-63.03, -12.53], [-63.25, -12.0], [-63.15, -11.75], [-63.25, -11.5], [-63.15, -11.25], [-63.18, -11.18], [-63.53, -11.03], [-63.68, -10.68], [-64.03, -10.53], [-64.25, -10.0]]]]}, "2019-03-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-64.25, -10.0], [-64.03, -9.47], [-63.5, -9.25], [-63.25, -9.35], [-63.0, -9.25], [-62.75, -9.35], [-62.5, -9.25], [-62.25, -9.35], [-62.0, -9.25], [-61.75, -9.35], [-61.5, -9.25], [-60.97, -9.47], [-60.82, -9.82], [-60.47, -9.97], [-60.25, -10.5], [-60.47, -11.03], [-60.82, -11.18], [-60.97, -11.53], [-61.32, -11.68], [-61.35, -11.75], [-61.25, -12.0], [-61.35, -12.25], [-61.25, -12.5], [-61.47, -13.03], [-62.0, -13.25], [-62.53, -13.03], [-62.68, -12.68], [-63.03, -12.53], [-63.25, -12.0], [-63.15, -11.75], [-63.18, -11.68], [-63.53, -11.53], [-63.75, -11.0], [-63.65, -10.75], [-63.68, -10.68], [-64.03, -10.53], [-64.25, -10.0]]]]}, "2019-03-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-64.25, -10.0], [-64.03, -9.47], [-63.5, -9.25], [-63.25, -9.35], [-63.0, -9.25], [-62.75, -9.35], [-62.5, -9.25], [-62.25, -9.35], [-62.0, -9.25], [-61.75, -9.35], [-61.5, -9.25], [-60.97, -9.47], [-60.82, -9.82], [-60.47, -9.97], [-60.25, -10.5], [-60.47, -11.03], [-60.82, -11.18], [-60.97, -11.53], [-61.32, -11.68], [-61.35, -11.75], [-61.25, -12.0], [-61.35, -12.25], [-61.25, -12.5], [-61.47, -13.03], [-62.0, -13.25], [-62.53, -13.03], [-62.68, -12.68], [-63.03, -12.53], [-63.25, -12.0], [-63.15, -11.75], [-63.18, -11.68], [-63.53, -11.53], [-63.75, -11.0], [-63.65, -10.75], [-63.68, -10.68], [-64.03, -10.53], [-64.25, -10.0]]]]}, "2019-03-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-64.25, -10.0], [-64.03, -9.47], [-63.5, -9.25], [-62.97, -9.47], [-62.82, -9.82], [-62.47, -9.97], [-62.25, -10.5], [-62.35, -10.75], [-62.25, -11.0], [-62.47, -11.53], [-63.0, -11.75], [-63.53, -11.53], [-63.75, -11.0], [-63.65, -10.75], [-63.68, -10.68], [-64.03, -10.53], [-64.25, -10.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.323159999672953}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.347719663382811}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.402781255034995, 26.63127936463684, 26.78914497056877, 26.20793220527355]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.700643588599007, 27.392707012684525, 27.60200771767029, 26.369989380396987]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.1208716130446734, 1.3941264624521368, 1.5609065263833006, 1.064714772302807]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.3730953151115273, 1.8844901449089093, 2.323159999672953, 1.2234709454199333]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.518336245534149, 1.8859355480642048, 2.0107018299490123, 1.3395034606032186]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8031190271041382, 2.4498743289582374, 3.0404688261662853, 1.4819575927574853]}}