{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:10:00.378765", "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": "2018-Jan-19_to_2018-Jan-22_295.0_-37.5"}, "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": 2018010002205}, "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 19 2018"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 22 2018"}, "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": 59065.23857297594}, "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": -37.5}, "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": 295.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "295.0\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": 298.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -38.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -35.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2018-01-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-65.68, -36.32], [-65.53, -35.97], [-65.0, -35.75], 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[-62.5, -38.75], [-62.75, -38.65], [-63.0, -38.75], [-63.25, -38.65], [-63.5, -38.75], [-64.03, -38.53], [-64.18, -38.18], [-64.25, -38.15], [-64.32, -38.18], [-64.47, -38.53], [-65.0, -38.75], [-65.25, -38.65], [-65.5, -38.75], [-66.03, -38.53], [-66.18, -38.18], [-66.53, -38.03], [-66.75, -37.5]], [[-64.35, -36.75], [-64.32, -36.82], [-64.25, -36.85], [-64.18, -36.82], [-64.15, -36.75], [-64.25, -36.5], [-64.35, -36.75]]]]}, "2018-01-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-66.75, -37.5], [-66.53, -36.97], [-66.18, -36.82], [-66.03, -36.47], [-65.68, -36.32], [-65.53, -35.97], [-65.0, -35.75], [-64.47, -35.97], [-64.25, -36.5], [-64.03, -35.97], [-63.68, -35.82], [-63.53, -35.47], [-63.0, -35.25], [-62.75, -35.35], [-62.5, -35.25], [-61.97, -35.47], [-61.75, -36.0], [-61.87, -36.3], [-61.47, -36.47], [-61.25, -37.0], [-61.47, -37.53], [-61.82, -37.68], [-61.85, -37.75], [-61.75, -38.0], [-61.97, -38.53], [-62.5, -38.75], [-62.75, -38.65], [-63.0, -38.75], [-63.25, -38.65], [-63.5, -38.75], [-64.03, -38.53], [-64.18, -38.18], [-64.25, -38.15], [-64.32, -38.18], [-64.47, -38.53], [-65.0, -38.75], [-65.25, -38.65], [-65.5, -38.75], [-66.03, -38.53], [-66.18, -38.18], [-66.53, -38.03], [-66.75, -37.5]], [[-64.35, -36.75], [-64.32, -36.82], [-64.25, -36.85], [-64.18, -36.82], [-64.15, -36.75], [-64.25, -36.5], [-64.35, -36.75]]]]}, "2018-01-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-66.75, -37.5], [-66.53, -36.97], [-66.0, -36.75], [-65.75, -36.85], [-65.68, -36.82], [-65.53, -36.47], [-65.0, -36.25], [-64.47, -36.47], [-64.32, -36.82], [-64.25, -36.85], [-64.18, -36.82], [-64.15, -36.75], [-64.25, -36.5], [-64.03, -35.97], [-63.5, -35.75], [-63.25, -35.85], [-63.0, -35.75], [-62.47, -35.97], [-62.32, -36.32], [-62.25, -36.35], [-62.0, -36.25], [-61.47, -36.47], [-61.25, -37.0], [-61.47, -37.53], [-61.82, -37.68], [-61.85, -37.75], [-61.75, -38.0], [-61.97, -38.53], [-62.5, -38.75], [-62.75, -38.65], [-63.0, -38.75], [-63.25, -38.65], [-63.5, -38.75], [-64.03, -38.53], [-64.18, -38.18], [-64.25, -38.15], [-64.32, -38.18], [-64.47, -38.53], [-65.0, -38.75], [-65.25, -38.65], [-65.5, -38.75], [-66.03, -38.53], [-66.18, -38.18], [-66.53, -38.03], [-66.75, -37.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 5.903058022020787}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.363127997354446}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.025823712880253, 28.4112465575883, 27.96262184890054, 27.520782272993756]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [29.069519817158437, 31.52896052207103, 30.80624877822737, 29.47844415932184]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.079244142667903, 4.856044112637709, 4.287105394157547, 3.9480209392567702]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.488376780576402, 5.903058022020787, 5.458068915132117, 4.573057359488132]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3336956525370225, 1.654806556187965, 1.48478003733514, 1.343725324018512]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4055425965533739, 1.8466785823542653, 1.7468747251684487, 1.460432113808449]}}