{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:19:28.112620", "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-28_to_2019-Apr-01_315.0_-9.0"}, "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": 2019030002657}, "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 28 2019"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 01 2019"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 113236.04781475753}, "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": -9.0}, "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": 315.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "315.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 313.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 318.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -9.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -6.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2019-03-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-45.0, -8.25], [-44.47, -8.47], [-44.25, -9.0], [-44.47, -9.53], [-45.0, -9.75], [-45.53, -9.53], [-45.75, -9.0], [-45.53, -8.47], [-45.0, -8.25]]]]}, "2019-03-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-46.53, -7.97], [-46.18, -7.82], [-46.03, -7.47], [-45.5, -7.25], [-45.25, -7.35], [-45.18, -7.32], [-45.15, -7.25], [-45.25, -7.0], [-45.03, -6.47], [-44.68, -6.32], [-44.53, -5.97], [-44.0, -5.75], [-43.75, -5.85], [-43.5, -5.75], [-43.0, -5.96], [-42.5, -5.75], [-41.97, -5.97], [-41.82, -6.32], [-41.47, -6.47], [-41.25, -7.0], [-41.47, -7.53], [-41.82, -7.68], [-41.85, -7.75], [-41.75, -8.0], [-41.97, -8.53], [-42.32, -8.68], [-42.47, -9.03], [-42.82, -9.18], [-42.97, -9.53], [-43.32, -9.68], [-43.47, -10.03], [-44.0, -10.25], [-44.25, -10.15], [-44.5, -10.25], [-44.75, -10.15], [-45.0, -10.25], [-45.53, -10.03], [-45.68, -9.68], [-45.75, -9.65], [-46.0, -9.75], [-46.53, -9.53], [-46.75, -9.0], [-46.65, -8.75], [-46.75, -8.5], [-46.53, -7.97]]]]}, "2019-03-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-46.53, -7.97], [-46.18, -7.82], [-46.03, -7.47], [-45.5, -7.25], [-45.25, -7.35], [-45.18, -7.32], [-45.15, -7.25], [-45.25, -7.0], [-45.03, -6.47], [-44.68, -6.32], [-44.53, -5.97], [-44.0, -5.75], [-43.75, -5.85], [-43.5, -5.75], [-43.0, -5.96], [-42.5, -5.75], [-41.97, -5.97], [-41.82, -6.32], [-41.47, -6.47], [-41.25, -7.0], [-41.47, -7.53], [-41.82, -7.68], [-41.85, -7.75], [-41.75, -8.0], [-41.97, -8.53], [-42.32, -8.68], [-42.47, -9.03], [-42.82, -9.18], [-42.97, -9.53], [-43.32, -9.68], [-43.47, -10.03], [-44.0, -10.25], [-44.25, -10.15], [-44.5, -10.25], [-44.75, -10.15], [-45.0, -10.25], [-45.53, -10.03], [-45.68, -9.68], [-45.75, -9.65], [-46.0, -9.75], [-46.53, -9.53], [-46.75, -9.0], [-46.65, -8.75], [-46.75, -8.5], [-46.53, -7.97]]]]}, "2019-03-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-46.53, -7.97], [-46.18, -7.82], [-46.03, -7.47], [-45.5, -7.25], [-45.25, -7.35], [-45.18, -7.32], [-45.15, -7.25], [-45.25, -7.0], [-45.03, -6.47], [-44.68, -6.32], [-44.53, -5.97], [-44.0, -5.75], [-43.75, -5.85], [-43.5, -5.75], [-43.0, -5.96], [-42.5, -5.75], [-41.97, -5.97], [-41.82, -6.32], [-41.47, -6.47], [-41.25, -7.0], [-41.47, -7.53], [-41.82, -7.68], [-41.85, -7.75], [-41.75, -8.0], [-41.97, -8.53], [-42.32, -8.68], [-42.47, -9.03], [-42.82, -9.18], [-42.97, -9.53], [-43.32, -9.68], [-43.47, -10.03], [-44.0, -10.25], [-44.25, -10.15], [-44.5, -10.25], [-44.75, -10.15], [-45.0, -10.25], [-45.53, -10.03], [-45.68, -9.68], [-45.75, -9.65], [-46.0, -9.75], [-46.53, -9.53], [-46.75, -9.0], [-46.65, -8.75], [-46.75, -8.5], [-46.53, -7.97]]]]}, "2019-04-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-45.0, -8.75], [-44.47, -8.97], [-44.25, -9.5], [-44.47, -10.03], [-45.0, -10.25], [-45.53, -10.03], [-45.75, -9.5], [-45.53, -8.97], [-45.0, -8.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.6292216194732987}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.9074274835479421}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.340294890221628, 27.414459905549506, 27.74248124596579, 27.81659667886953, 26.8249390674182]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.340294890221628, 28.635330525020493, 29.048856601211867, 28.76441065578257, 26.8249390674182]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.2872107967202169, 1.723181932271806, 2.0062867761014176, 2.018713862388802, 1.5693397260022834]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.2872107967202169, 2.3534916871991527, 2.6292216194732987, 2.4771162573314314, 1.5693397260022834]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.2610767738176876, 1.6288573792141647, 1.8208554969325066, 1.8247198346393174, 1.3464188050026862]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.2610767738176876, 2.112522646874831, 2.419615640336827, 2.09503327087649, 1.3464188050026862]}}