{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:52:33.552879", "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": "2013-Jan-22_to_2013-Jan-25_297.5_-18.0"}, "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": 2013010002207}, "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": "January 22 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 25 2013"}, "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": 124137.11529942702}, "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"]}, "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": -18.0}, "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": 297.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "297.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 293.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 298.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -19.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -14.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-01-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-64.53, -16.47], [-64.0, -16.25], [-63.75, -16.35], [-63.5, -16.25], [-63.25, -16.35], [-63.18, -16.32], [-63.03, -15.97], [-62.5, -15.75], [-61.97, -15.97], [-61.75, -16.5], [-61.85, -16.75], [-61.82, -16.82], [-61.47, -16.97], [-61.25, -17.5], [-61.35, -17.75], [-61.32, -17.82], [-60.97, -17.97], [-60.75, -18.5], [-60.97, -19.03], [-61.32, -19.18], [-61.47, -19.53], [-62.0, -19.75], [-62.53, -19.53], [-62.68, -19.18], [-63.03, -19.03], [-63.18, -18.68], [-63.25, -18.65], [-63.5, -18.75], [-64.03, -18.53], [-64.18, -18.18], [-64.53, -18.03], [-64.75, -17.5], [-64.65, -17.25], [-64.75, -17.0], [-64.53, -16.47]]]]}, "2013-01-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-67.03, -16.53], [-67.25, -16.0], [-67.03, -15.47], [-66.5, -15.25], [-66.25, -15.35], [-66.12, -15.3], [-66.25, -15.0], [-66.03, -14.47], [-65.5, -14.25], [-65.25, -14.35], [-65.0, -14.25], [-64.75, -14.35], [-64.5, -14.25], [-63.97, -14.47], [-63.75, -15.0], [-63.85, -15.25], [-63.82, -15.32], [-63.75, -15.35], [-63.5, -15.25], [-62.97, -15.47], [-62.82, -15.82], [-62.75, -15.85], [-62.5, -15.75], [-61.97, -15.97], [-61.82, -16.32], [-61.47, -16.47], [-61.25, -17.0], [-61.35, -17.25], [-61.25, -17.5], [-61.35, -17.75], [-61.32, -17.82], [-60.97, -17.97], [-60.75, -18.5], [-60.97, -19.03], [-61.32, -19.18], [-61.47, -19.53], [-62.0, -19.75], [-62.25, -19.65], [-62.5, -19.75], [-62.75, -19.65], [-63.0, -19.75], [-63.53, -19.53], [-63.75, -19.0], [-63.65, -18.75], [-63.68, -18.68], [-64.03, -18.53], [-64.18, -18.18], [-64.25, -18.15], [-64.5, -18.25], [-65.03, -18.03], [-65.25, -17.5], [-65.15, -17.25], [-65.18, -17.18], [-65.25, -17.15], [-65.5, -17.25], [-66.03, -17.03], [-66.18, -16.68], [-66.25, -16.65], [-66.5, -16.75], [-67.03, -16.53]]]]}, "2013-01-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-67.03, -16.53], [-67.25, -16.0], [-67.03, -15.47], [-66.5, -15.25], [-66.25, -15.35], [-66.12, -15.3], [-66.25, -15.0], [-66.03, -14.47], [-65.5, -14.25], [-65.25, -14.35], [-65.0, -14.25], [-64.75, -14.35], [-64.5, 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{"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.277862183853074}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.5769947684899837}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [29.310730274459672, 29.280003350072946, 29.144022657321045, 28.99685777072159]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [31.474508587267337, 32.168586797386695, 31.505413213453267, 30.923116185662195]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.530866911049145, 2.717100361490275, 2.5917030549397717, 2.4408516884802443]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.565293680261675, 4.277862183853074, 3.6426505180351114, 2.989891367094799]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4660184782959425, 1.606224603102322, 1.5439232917847474, 1.4655754191037882]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8560147816161368, 2.0450262654907556, 1.883103409296607, 1.6414106929029113]}}