{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:13:07.929538", "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-Jun-27_to_2018-Jul-05_311.0_-4.5"}, "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": 2018060003053}, "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": "June 27 2018"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 05 2018"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 9}, "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": 55508.34510446756}, "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": ["N.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": -4.5}, "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": 311.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "311.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 309.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 312.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -5.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -1.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2018-06-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-49.0, -3.75], [-48.47, -3.97], [-48.25, -4.5], [-48.47, -5.03], [-49.0, -5.25], [-49.53, -5.03], [-49.75, -4.5], [-49.53, -3.97], [-49.0, -3.75]]]]}, "2018-06-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-50.53, -2.47], [-50.18, -2.32], [-50.03, -1.97], [-49.5, -1.75], [-48.97, -1.97], [-48.75, -2.5], [-48.87, -2.8], [-48.47, -2.97], [-48.25, -3.5], [-48.35, -3.75], [-48.32, -3.82], [-48.25, -3.85], [-48.0, -3.75], [-47.47, -3.97], [-47.25, -4.5], [-47.47, -5.03], [-47.82, -5.18], [-47.97, -5.53], [-48.5, -5.75], [-49.03, -5.53], [-49.18, -5.18], [-49.25, -5.15], [-49.5, -5.25], [-50.03, -5.03], [-50.25, -4.5], [-50.12, -4.2], [-50.53, -4.03], [-50.75, -3.5], [-50.65, -3.25], [-50.75, -3.0], [-50.53, -2.47]]]]}, "2018-06-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-50.53, -2.47], [-50.18, -2.32], [-50.03, -1.97], [-49.5, -1.75], [-49.25, -1.85], [-49.0, -1.75], [-48.47, -1.97], [-48.25, -2.5], [-48.43, -2.93], [-48.0, -2.75], [-47.47, -2.97], [-47.25, -3.5], [-47.46, -4.0], [-47.25, -4.5], [-47.47, -5.03], [-47.82, -5.18], [-47.97, -5.53], [-48.5, -5.75], [-49.03, -5.53], [-49.18, -5.18], [-49.25, -5.15], [-49.5, -5.25], [-50.03, -5.03], [-50.25, -4.5], [-50.12, -4.2], [-50.53, -4.03], [-50.75, -3.5], [-50.65, -3.25], [-50.75, -3.0], [-50.53, -2.47]]]]}, "2018-06-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-50.53, -2.47], [-50.18, -2.32], [-50.03, -1.97], [-49.68, -1.82], [-49.53, -1.47], [-49.0, -1.25], [-48.47, -1.47], [-48.25, -2.0], [-48.35, -2.25], [-48.25, -2.5], [-48.43, -2.93], [-48.0, -2.75], [-47.47, -2.97], [-47.25, -3.5], [-47.46, -4.0], [-47.25, -4.5], [-47.47, -5.03], [-47.82, -5.18], [-47.97, -5.53], [-48.5, -5.75], [-49.03, -5.53], [-49.18, -5.18], [-49.25, -5.15], [-49.5, -5.25], [-50.03, -5.03], [-50.25, -4.5], [-50.12, -4.2], [-50.53, -4.03], [-50.75, -3.5], [-50.65, -3.25], [-50.75, -3.0], [-50.53, -2.47]]]]}, "2018-07-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-50.12, -4.2], [-50.53, -4.03], [-50.75, -3.5], [-50.53, -2.97], [-50.0, -2.75], [-49.57, -2.93], [-49.75, -2.5], [-49.65, -2.25], [-49.75, -2.0], [-49.53, -1.47], [-49.0, -1.25], [-48.47, -1.47], [-48.25, -2.0], [-48.35, -2.25], [-48.25, -2.5], [-48.43, -2.93], [-48.0, -2.75], [-47.47, -2.97], [-47.25, -3.5], [-47.35, -3.75], [-47.25, -4.0], [-47.35, -4.25], [-47.25, -4.5], [-47.47, -5.03], [-47.82, -5.18], [-47.97, -5.53], [-48.5, -5.75], [-48.75, -5.65], [-49.0, -5.75], [-49.25, -5.65], [-49.5, -5.75], [-50.03, -5.53], [-50.25, -5.0], [-50.15, -4.75], [-50.25, -4.5], [-50.12, -4.2]]]]}, "2018-07-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-50.03, -3.97], [-49.68, -3.82], [-49.65, -3.75], [-49.75, -3.5], [-49.54, -3.0], [-49.75, -2.5], [-49.65, -2.25], [-49.75, -2.0], [-49.53, -1.47], [-49.0, -1.25], [-48.47, -1.47], [-48.25, -2.0], [-48.35, -2.25], [-48.25, -2.5], [-48.43, -2.93], [-48.0, -2.75], [-47.47, -2.97], [-47.25, -3.5], [-47.35, -3.75], [-47.25, -4.0], [-47.35, -4.25], [-47.25, -4.5], [-47.47, -5.03], [-47.82, -5.18], [-47.97, -5.53], [-48.5, -5.75], [-48.75, -5.65], [-49.0, -5.75], [-49.25, -5.65], [-49.5, -5.75], [-50.03, -5.53], [-50.25, -5.0], [-50.15, -4.75], [-50.25, -4.5], [-50.03, -3.97]]]]}, "2018-07-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-50.03, -3.97], [-49.68, -3.82], [-49.65, -3.75], [-49.75, -3.5], [-49.54, -3.0], [-49.75, -2.5], [-49.53, -1.97], [-49.0, -1.75], [-48.47, -1.97], [-48.25, -2.5], [-48.43, -2.93], [-48.0, -2.75], [-47.47, -2.97], [-47.25, -3.5], [-47.35, -3.75], [-47.25, -4.0], [-47.35, -4.25], [-47.25, -4.5], [-47.47, -5.03], [-47.82, -5.18], [-47.97, -5.53], [-48.5, -5.75], [-48.75, -5.65], [-49.0, -5.75], [-49.25, -5.65], [-49.5, -5.75], [-50.03, -5.53], [-50.25, -5.0], [-50.15, -4.75], [-50.25, -4.5], [-50.03, -3.97]]]]}, "2018-07-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-49.0, -4.25], [-48.47, -4.47], [-48.25, -5.0], [-48.47, -5.53], [-49.0, -5.75], [-49.53, -5.53], [-49.75, -5.0], [-49.53, -4.47], [-49.0, -4.25]]]]}, "2018-07-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-49.0, -4.25], [-48.47, -4.47], [-48.25, -5.0], [-48.47, -5.53], [-49.0, -5.75], [-49.53, -5.53], [-49.75, -5.0], [-49.53, -4.47], [-49.0, -4.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.4531030521781076}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.481062460313095}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.416035542217855, 28.374195850854903, 28.341662598004234, 28.311916091144155, 28.490563437380615, 28.710912677551562, 28.82904891081995, 28.162024084485836, 28.39194173979297]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.416035542217855, 29.216401741255197, 29.01889421491353, 28.965451001903375, 29.402364952171922, 29.629371204463325, 29.675121823283348, 28.162024084485836, 28.39194173979297]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.3959209657041356, 1.3371562018933063, 1.3461947516435333, 1.3321081376357673, 1.4838384599548098, 1.6608903419441106, 1.7583858842706945, 1.1811241640472758, 1.4071390064306115]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.3959209657041356, 1.7903937473130895, 1.5753329776702003, 1.8438489270347418, 2.2345268337721222, 2.4531030521781076, 2.3300003060942913, 1.1811241640472758, 1.4071390064306115]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4118792748158235, 1.5188840178050371, 1.5265738537790603, 1.5001721576147937, 1.6048802560621442, 1.7939008326752144, 1.894585432570752, 1.4356331799956104, 1.690932503885426]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4118792748158235, 1.8629908527478163, 1.8011617201213563, 1.8780662451525165, 2.187084782893559, 2.4123988803893672, 2.400213430194171, 1.4356331799956104, 1.690932503885426]}}