{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:19:03.289988", "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": "2020-Feb-25_to_2020-Feb-28_316.0_-9.5"}, "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": 2020020002348}, "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 25 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 28 2020"}, "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": 58079.7020647921}, "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": -9.5}, "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": 316.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "316.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 314.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 317.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -10.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -6.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-02-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-44.0, -8.75], [-43.47, -8.97], [-43.25, -9.5], [-43.47, -10.03], [-44.0, -10.25], [-44.53, -10.03], [-44.75, -9.5], [-44.53, -8.97], [-44.0, -8.75]]]]}, "2020-02-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-46.25, -7.0], [-46.03, -6.47], [-45.5, -6.25], [-45.25, -6.35], [-45.0, -6.25], [-44.75, -6.35], [-44.5, -6.25], [-43.97, -6.47], [-43.82, -6.82], [-43.47, -6.97], [-43.25, -7.5], [-43.35, -7.75], [-43.25, -8.0], [-43.35, -8.25], [-43.25, -8.5], [-43.35, -8.75], [-43.32, -8.82], [-42.97, -8.97], [-42.82, -9.32], [-42.47, -9.47], [-42.25, -10.0], [-42.47, -10.53], [-43.0, -10.75], [-43.25, -10.65], [-43.5, -10.75], [-44.03, -10.53], [-44.18, -10.18], [-44.3, -10.12], [-44.47, -10.53], [-45.0, -10.75], [-45.53, -10.53], [-45.75, -10.0], [-45.65, -9.75], [-45.75, -9.5], [-45.53, -8.97], [-45.18, -8.82], [-45.15, -8.75], [-45.18, -8.68], [-45.53, -8.53], [-45.75, -8.0], [-45.65, -7.75], [-45.68, -7.68], [-46.03, -7.53], [-46.25, -7.0]]]]}, "2020-02-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-46.25, -7.0], [-46.03, -6.47], [-45.5, -6.25], [-45.25, -6.35], [-45.0, -6.25], [-44.75, -6.35], [-44.5, -6.25], [-43.97, -6.47], [-43.82, -6.82], [-43.47, -6.97], [-43.25, -7.5], [-43.35, -7.75], [-43.25, -8.0], [-43.35, -8.25], [-43.25, -8.5], [-43.35, -8.75], [-43.32, -8.82], [-42.97, -8.97], [-42.82, -9.32], [-42.47, -9.47], [-42.25, -10.0], [-42.47, -10.53], [-43.0, -10.75], [-43.25, -10.65], [-43.5, -10.75], [-44.03, -10.53], [-44.18, -10.18], [-44.3, -10.12], [-44.47, -10.53], [-45.0, -10.75], [-45.53, -10.53], [-45.75, -10.0], [-45.65, -9.75], [-45.75, -9.5], [-45.53, -8.97], [-45.18, -8.82], [-45.15, -8.75], [-45.18, -8.68], [-45.53, -8.53], [-45.75, -8.0], [-45.65, -7.75], [-45.68, -7.68], [-46.03, -7.53], [-46.25, -7.0]]]]}, "2020-02-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-46.25, -7.0], [-46.03, -6.47], [-45.5, -6.25], [-45.25, -6.35], [-45.0, -6.25], [-44.75, -6.35], [-44.5, -6.25], [-43.97, -6.47], [-43.82, -6.82], [-43.47, -6.97], [-43.25, -7.5], [-43.35, -7.75], [-43.25, -8.0], [-43.35, -8.25], [-43.25, -8.5], [-43.35, -8.75], [-43.32, -8.82], [-42.97, -8.97], [-42.82, -9.32], [-42.47, -9.47], [-42.25, -10.0], [-42.47, -10.53], [-43.0, -10.75], [-43.25, -10.65], [-43.5, -10.75], [-44.03, -10.53], [-44.18, -10.18], [-44.3, -10.12], [-44.47, -10.53], [-45.0, -10.75], [-45.53, -10.53], [-45.75, -10.0], [-45.65, -9.75], [-45.75, -9.5], [-45.53, -8.97], [-45.18, -8.82], [-45.15, -8.75], [-45.18, -8.68], [-45.53, -8.53], [-45.75, -8.0], [-45.65, -7.75], [-45.68, -7.68], [-46.03, -7.53], [-46.25, -7.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.605471677631897}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.9564390398564793}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.472649904678804, 27.50601384242185, 27.713356887578016, 27.47617806975245]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.472649904678804, 28.8317346962275, 29.272966138582433, 29.227115075963354]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.678186782095338, 1.9234417644389026, 2.1091799244198133, 1.8513402863823611]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.678186782095338, 2.605471677631897, 2.5943005589118115, 2.522601784703113]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.2952555347121593, 1.5152301089919464, 1.672456159716271, 1.4920559215958056]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.2952555347121593, 1.8683909242061698, 2.0190657145175925, 2.0161765074619464]}}