{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:44:33.687174", "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": "2010-Apr-19_to_2010-Apr-23_136.0_-0.5"}, "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": 2010040001936}, "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": "April 19 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 23 2010"}, "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": 117429.06667697847}, "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": ["Indonesia"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.E.Asia"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Asia"]}, "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": ["North Pacific Ocean", "South Pacific Ocean"]}, "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": -0.5}, "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": 136.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "136.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 134.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 137.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -3.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 2.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-04-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[133.97, 0.03], [134.5, 0.25], [134.75, 0.15], [135.0, 0.25], [135.25, 0.15], [135.5, 0.25], [135.75, 0.15], [136.0, 0.25], [136.53, 0.03], [136.75, -0.5], [136.53, -1.03], [136.18, -1.18], [136.03, -1.53], [135.68, -1.68], [135.53, -2.03], [135.0, -2.25], [134.47, -2.03], [134.32, -1.68], [133.97, -1.53], [133.75, -1.0], [133.85, -0.75], [133.75, -0.5], [133.97, 0.03]]]]}, "2010-04-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[133.97, 0.03], [134.5, 0.25], [134.75, 0.15], [134.82, 0.18], [134.97, 0.53], [135.32, 0.68], [135.47, 1.03], [136.0, 1.25], [136.53, 1.03], [136.68, 0.68], [136.75, 0.65], [137.0, 0.75], [137.53, 0.53], [137.75, 0.0], [137.65, -0.25], [137.75, -0.5], [137.53, -1.03], [137.18, -1.18], [137.03, -1.53], [136.5, -1.75], [136.0, -1.54], [135.68, -1.68], [135.53, -2.03], [135.0, -2.25], [134.47, -2.03], [134.32, -1.68], [133.97, -1.53], [133.75, -1.0], [133.85, -0.75], [133.75, -0.5], [133.97, 0.03]]]]}, "2010-04-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[133.97, 0.03], [134.5, 0.25], [134.75, 0.15], [134.82, 0.18], [134.97, 0.53], [135.32, 0.68], [135.35, 0.75], [135.32, 0.82], [134.97, 0.97], [134.82, 1.32], [134.47, 1.47], [134.25, 2.0], [134.35, 2.25], [134.25, 2.5], [134.47, 3.03], [135.0, 3.25], [135.53, 3.03], [135.68, 2.68], [135.75, 2.65], [136.0, 2.75], [136.53, 2.53], [136.68, 2.18], [137.03, 2.03], [137.18, 1.68], [137.53, 1.53], [137.68, 1.18], [138.03, 1.03], [138.25, 0.5], [138.15, 0.25], [138.25, 0.0], [138.03, -0.53], [137.68, -0.68], [137.54, -1.0], [137.75, -1.5], [137.65, -1.75], [137.75, -2.0], [137.53, -2.53], [137.0, -2.75], [136.7, -2.63], [136.65, -2.75], [136.75, -3.0], [136.53, -3.53], [136.0, -3.75], [135.47, -3.53], [135.25, -3.0], [135.35, -2.75], [135.32, -2.68], [134.97, -2.53], [134.82, -2.18], [134.47, -2.03], [134.32, -1.68], [133.97, -1.53], [133.75, -1.0], [133.85, -0.75], [133.75, -0.5], [133.97, 0.03]]]]}, "2010-04-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[133.97, 0.03], [134.5, 0.25], [134.75, 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anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.6102753402616372}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 0.9222590832775509}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.92756914998438, 28.214979575712732, 28.18533075511408, 28.287721760994373, 28.09417781584557]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.083384214136856, 28.521489530641986, 28.557241955137897, 28.84373489315152, 28.45890305685549]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.7260355812122654, 0.9642829425402724, 0.9270819830822461, 1.0246266134769197, 0.795225880404123]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [0.8408392025893932, 1.228823426434758, 1.23386479138685, 1.6102753402616372, 1.113768233958183]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5827681855736015, 2.0328633648663796, 1.8619817498207156, 2.0570989780792126, 1.5232101138935659]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.9323815206915589, 2.599394737445905, 2.6907137265388985, 2.628966286023452, 1.8427296800313089]}}