{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:53:34.374437", "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": "2026-May-17_to_2026-May-21_290.0_3.5"}, "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": 2026050002012}, "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": "May 17 2026"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 21 2026"}, "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": 104958.75449407336}, "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": ["Colombia"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.South-America", "N.W.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": 3.5}, "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": 290.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "290.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 287.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 290.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 0.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 5.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2026-05-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-72.18, 1.68], [-72.03, 2.03], [-71.68, 2.18], [-71.53, 2.53], 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0.97], [-70.0, 0.75], [-70.25, 0.85], [-70.32, 0.82], [-70.35, 0.75], [-70.25, 0.5], [-70.47, -0.03], [-71.0, -0.25], [-71.53, -0.03], [-71.68, 0.32], [-71.75, 0.35], [-71.82, 0.32], [-71.97, -0.03], [-72.5, -0.25], [-73.03, -0.03], [-73.25, 0.5], [-73.03, 1.03], [-72.68, 1.18], [-72.65, 1.25], [-72.75, 1.5]], [[-70.43, 2.93], [-70.32, 2.68], [-70.25, 2.65], [-70.0, 2.75], [-70.43, 2.93]]]]}, "2026-05-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-72.75, 1.5], [-72.65, 1.75], [-72.75, 2.0], [-72.53, 2.53], [-72.0, 2.75], [-71.75, 2.65], [-71.68, 2.68], [-71.65, 2.75], [-71.68, 2.82], [-72.03, 2.97], [-72.25, 3.5], [-72.15, 3.75], [-72.25, 4.0], [-72.03, 4.53], [-71.5, 4.75], [-71.25, 4.65], [-71.18, 4.68], [-71.03, 5.03], [-70.68, 5.18], [-70.53, 5.53], [-70.0, 5.75], [-69.47, 5.53], [-69.32, 5.18], [-68.97, 5.03], [-68.75, 4.5], [-68.85, 4.25], [-68.75, 4.0], [-68.97, 3.47], [-69.32, 3.32], [-69.35, 3.25], [-69.25, 3.0], [-69.37, 2.7], [-68.97, 2.53], [-68.75, 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0.75], [-71.25, 0.85], [-71.5, 0.75], [-71.75, 0.85], [-72.0, 0.75], [-72.53, 0.97], [-72.75, 1.5], [-72.65, 1.75], [-72.75, 2.0], [-72.53, 2.53]]]]}, "2026-05-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-72.03, 4.53], [-71.5, 4.75], [-71.25, 4.65], [-71.18, 4.68], [-71.03, 5.03], [-70.68, 5.18], [-70.53, 5.53], [-70.0, 5.75], [-69.47, 5.53], [-69.32, 5.18], [-68.97, 5.03], [-68.75, 4.5], [-68.85, 4.25], [-68.75, 4.0], [-68.97, 3.47], [-69.32, 3.32], [-69.35, 3.25], [-69.25, 3.0], [-69.47, 2.47], [-69.82, 2.32], [-69.96, 2.0], [-69.75, 1.5], [-69.97, 0.97], [-70.5, 0.75], [-71.03, 0.97], [-71.25, 1.5], [-71.12, 1.8], [-71.53, 1.97], [-71.75, 2.5], [-71.65, 2.75], [-71.68, 2.82], [-72.03, 2.97], [-72.25, 3.5], [-72.15, 3.75], [-72.25, 4.0], [-72.03, 4.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.016140422307842}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.3259447380174592}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.433321497990505, 25.461032318650666, 26.170082271800368, 26.071082356770887, 26.34944231802956]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [25.717394765218103, 25.917896525065146, 27.77748260498049, 27.324487304687523, 26.802922821044945]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.1067748755402949, 1.0789645438230284, 1.520070724417125, 1.3034210526024936, 1.405136343263923]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.3476697858299076, 1.3486000163623544, 2.016140422307842, 1.8153084011123042, 1.9004123882086787]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5662658057239, 1.5407128815356834, 2.1419507568673217, 1.8083958682050718, 1.897707230650715]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8221915232510961, 2.020055694706658, 2.949236196345859, 2.628381598438286, 2.5754533830208444]}}