{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:02:22.837619", "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": "2015-Feb-15_to_2015-Feb-20_144.5_-7.5"}, "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": 2015020001949}, "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 15 2015"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 20 2015"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 79747.74840269619}, "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", "Papua New Guinea"]}, "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": ["Coral Sea"]}, "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": -7.5}, "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": 144.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "144.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 140.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 144.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -8.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -5.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2015-02-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[144.5, -6.75], [145.03, -6.97], [145.25, -7.5], [145.03, -8.03], [144.5, -8.25], [143.97, -8.03], [143.75, -7.5], [143.97, -6.97], [144.5, -6.75]]]]}, "2015-02-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[142.25, -7.0], [142.47, -6.47], [143.0, -6.25], [143.25, -6.35], [143.5, -6.25], [143.75, -6.35], [144.0, -6.25], [144.53, -6.47], [144.68, -6.82], [145.03, -6.97], [145.25, -7.5], [145.03, -8.03], [144.5, -8.25], [144.25, -8.15], [144.0, -8.25], [143.75, -8.15], [143.5, -8.25], [142.97, -8.03], [142.82, -7.68], [142.47, -7.53], [142.25, -7.0]]]]}, "2015-02-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[140.47, -6.53], [140.25, -6.0], [140.47, -5.47], [141.0, -5.25], [141.25, -5.35], [141.5, -5.25], [142.03, -5.47], [142.18, -5.82], [142.25, -5.85], [142.5, -5.75], [143.03, -5.97], [143.18, -6.32], [143.25, -6.35], [143.5, -6.25], [143.75, -6.35], [144.0, -6.25], [144.53, -6.47], [144.68, -6.82], [145.03, -6.97], [145.25, -7.5], [145.03, -8.03], [144.5, -8.25], [144.25, -8.15], [144.0, -8.25], [143.75, -8.15], [143.5, -8.25], [142.97, -8.03], [142.82, -7.68], [142.47, -7.53], [142.32, -7.18], [142.25, -7.15], [142.0, -7.25], [141.47, -7.03], [141.32, -6.68], [141.25, -6.65], [141.0, -6.75], [140.47, -6.53]]]]}, "2015-02-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[139.97, -5.47], [140.5, -5.25], [140.75, -5.35], [141.0, -5.25], [141.25, -5.35], [141.5, -5.25], [142.03, -5.47], [142.18, -5.82], [142.25, -5.85], [142.5, -5.75], [143.03, -5.97], [143.18, -6.32], [143.25, -6.35], [143.5, -6.25], [143.75, -6.35], [144.0, -6.25], [144.53, -6.47], [144.68, -6.82], [145.03, -6.97], [145.25, -7.5], [145.03, -8.03], [144.5, -8.25], [144.25, -8.15], [144.0, -8.25], [143.75, -8.15], [143.5, -8.25], [143.25, -8.15], [143.18, -8.18], [143.03, -8.53], [142.5, -8.75], [142.0, -8.54], [141.5, -8.75], [141.25, -8.65], [141.0, -8.75], [140.75, -8.65], [140.5, -8.75], [139.97, -8.53], [139.75, -8.0], [139.97, -7.47], [140.32, -7.32], [140.35, -7.25], [140.32, -7.18], [139.97, -7.03], [139.75, -6.5], [139.85, -6.25], [139.75, -6.0], [139.97, -5.47]]]]}, "2015-02-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[139.97, -5.47], [140.5, -5.25], [140.75, -5.35], [141.0, -5.25], [141.25, -5.35], [141.5, -5.25], [142.03, -5.47], [142.18, -5.82], [142.25, -5.85], [142.5, -5.75], [143.03, -5.97], [143.18, -6.32], [143.25, -6.35], [143.5, -6.25], [143.75, -6.35], [144.0, -6.25], [144.53, -6.47], [144.68, -6.82], [145.03, -6.97], [145.25, -7.5], [145.03, -8.03], [144.5, -8.25], [144.25, -8.15], [144.0, -8.25], [143.75, -8.15], [143.5, -8.25], [143.25, -8.15], [143.18, -8.18], [143.03, -8.53], [142.5, -8.75], [142.0, -8.54], [141.5, -8.75], [141.25, -8.65], [141.0, -8.75], [140.75, -8.65], [140.5, -8.75], [139.97, -8.53], [139.75, -8.0], [139.97, -7.47], [140.32, -7.32], [140.35, -7.25], [140.32, -7.18], [139.97, -7.03], [139.75, -6.5], [139.85, -6.25], [139.75, -6.0], [139.97, -5.47]]]]}, "2015-02-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[139.97, -5.47], [140.5, -5.25], [141.0, -5.46], [141.5, -5.25], [142.03, -5.47], [142.18, -5.82], [142.25, -5.85], [142.5, -5.75], [143.03, -5.97], [143.18, -6.32], [143.25, -6.35], [143.5, -6.25], [143.75, -6.35], [144.0, -6.25], [144.53, -6.47], [144.68, -6.82], [145.03, -6.97], [145.25, -7.5], [145.03, -8.03], [144.5, -8.25], [144.25, -8.15], [144.0, -8.25], [143.75, -8.15], [143.5, -8.25], [143.25, -8.15], [143.18, -8.18], [143.03, -8.53], [142.5, -8.75], [142.0, -8.54], [141.5, -8.75], [141.25, -8.65], [141.0, -8.75], [140.75, -8.65], [140.5, -8.75], [139.97, -8.53], [139.75, -8.0], [139.97, -7.47], [140.32, -7.32], [140.35, -7.25], [140.32, -7.18], [139.97, -7.03], [139.75, -6.5], [139.85, -6.25], [139.75, -6.0], [139.97, -5.47]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.245814798161348}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.59738102701674}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.454868472510555, 28.00016568902862, 27.82264623303132, 27.962309641497257, 27.93843146127682, 28.073907245724115]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.454868472510555, 28.99114128421968, 28.602813077393705, 28.94499213500268, 28.75905890119094, 28.857829336405302]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.0944149742980471, 1.8061176912679855, 1.6324651805580175, 1.5388035983062747, 1.535355616513899, 1.6787961610705155]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.0944149742980471, 2.0605700815937666, 2.0769816413535978, 2.014108176564662, 1.9724930009812738, 2.245814798161348]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.413724025064244, 2.118382081563215, 1.8923526290898658, 1.7429907005744574, 1.7724943603188164, 1.9574959504566842]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.413724025064244, 2.4298245444485898, 2.6963550399109137, 2.44779999841374, 2.3555840754805613, 2.623899134930909]}}