{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:44:01.833200", "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-Jan-25_to_2010-Feb-02_146.0_-8.0"}, "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": 2010010002459}, "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": "January 25 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 02 2010"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 9}, "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": 112509.98826543306}, "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": ["Papua New Guinea"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.Australia", "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", "Solomon 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": -8.0}, "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": 146.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "146.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 145.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 154.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -12.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -7.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-01-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[145.25, -8.0], [145.47, -7.47], [146.0, -7.25], [146.53, -7.47], [146.68, -7.82], [147.03, -7.97], [147.25, -8.5], [147.03, -9.03], [146.5, -9.25], [145.97, -9.03], [145.82, -8.68], [145.47, -8.53], [145.25, -8.0]]]]}, "2010-01-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[145.25, -8.0], [145.47, -7.47], [146.0, -7.25], [146.53, -7.47], [146.68, -7.82], [147.03, -7.97], [147.25, -8.5], [147.03, -9.03], [146.5, -9.25], [145.97, -9.03], [145.82, -8.68], [145.47, -8.53], [145.25, -8.0]]]]}, "2010-01-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[144.75, -7.5], [144.97, -6.97], [145.5, -6.75], [146.03, -6.97], [146.18, -7.32], [146.25, -7.35], [146.5, -7.25], [147.03, -7.47], [147.25, -8.0], [147.15, -8.25], [147.25, -8.5], [147.03, -9.03], [146.5, -9.25], [145.97, -9.03], [145.82, -8.68], [145.47, -8.53], [145.32, -8.18], [144.97, -8.03], [144.75, -7.5]]]]}, "2010-01-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[144.75, -7.5], [144.97, -6.97], [145.5, -6.75], [146.03, -6.97], [146.18, -7.32], [146.25, -7.35], [146.5, -7.25], [147.03, -7.47], [147.25, -8.0], [147.15, -8.25], [147.25, -8.5], [147.15, -8.75], [147.18, -8.82], [147.53, -8.97], [147.75, -9.5], [147.65, -9.75], [147.75, -10.0], [147.53, -10.53], [147.0, -10.75], [146.75, -10.65], [146.5, -10.75], [145.97, -10.53], [145.75, -10.0], [145.85, -9.75], [145.75, -9.5], [145.85, -9.25], [145.82, -9.18], [145.47, -9.03], [145.25, -8.5], [145.35, -8.25], [145.32, -8.18], [144.97, -8.03], [144.75, -7.5]]]]}, "2010-01-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[149.47, -11.03], [149.25, -10.5], [149.47, -9.97], [150.0, -9.75], [150.53, -9.97], [150.75, -10.5], [150.53, -11.03], [150.0, -11.25], [149.47, -11.03]]], [[[144.97, -6.97], [145.5, -6.75], [146.03, -6.97], [146.18, -7.32], [146.25, -7.35], [146.5, -7.25], [147.03, -7.47], [147.25, -8.0], [147.15, -8.25], [147.18, -8.32], [147.53, -8.47], [147.68, -8.82], [148.03, -8.97], [148.18, -9.32], [148.53, -9.47], [148.75, -10.0], [148.53, -10.53], [148.0, -10.75], [147.75, -10.65], [147.5, -10.75], [147.25, -10.65], [147.0, -10.75], [146.75, -10.65], [146.5, -10.75], [145.97, -10.53], [145.75, -10.0], [145.85, -9.75], [145.75, -9.5], [145.85, -9.25], [145.82, -9.18], [145.47, -9.03], [145.25, -8.5], [145.35, -8.25], [145.32, -8.18], [144.97, -8.03], [144.75, -7.5], [144.97, -6.97]]]]}, "2010-01-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[144.75, -7.5], [144.97, -6.97], [145.5, -6.75], [146.03, -6.97], [146.18, -7.32], [146.25, -7.35], [146.5, -7.25], [147.03, -7.47], [147.25, -8.0], [147.15, -8.25], [147.18, -8.32], [147.53, -8.47], [147.68, -8.82], [148.03, -8.97], [148.18, -9.32], [148.53, -9.47], [148.7, -9.87], [149.0, -9.75], [149.25, -9.85], [149.5, -9.75], [149.75, -9.85], [150.0, -9.75], [150.53, -9.97], [150.68, -10.32], [150.75, -10.35], [151.0, -10.25], [151.25, -10.35], [151.5, -10.25], [151.75, -10.35], [152.0, -10.25], [152.25, -10.35], [152.5, -10.25], [152.75, -10.35], [152.82, -10.32], [152.97, -9.97], [153.5, -9.75], [154.03, -9.97], [154.18, -10.32], [154.53, -10.47], [154.75, -11.0], [154.53, -11.53], [154.18, -11.68], [154.15, -11.75], [154.25, -12.0], [154.03, -12.53], [153.5, -12.75], [153.25, -12.65], [153.0, -12.75], [152.47, -12.53], [152.32, -12.18], [151.97, -12.03], [151.82, -11.68], [151.75, -11.65], [151.68, -11.68], [151.53, -12.03], [151.0, -12.25], [150.75, -12.15], [150.5, -12.25], [149.97, -12.03], [149.82, -11.68], [149.75, -11.65], [149.5, -11.75], [148.97, -11.53], [148.82, -11.18], [148.47, -11.03], [148.3, -10.63], [148.0, -10.75], [147.75, -10.65], [147.5, -10.75], [147.25, -10.65], [147.0, -10.75], [146.75, -10.65], [146.5, -10.75], [145.97, -10.53], [145.75, -10.0], [145.85, -9.75], [145.75, -9.5], [145.85, -9.25], [145.82, -9.18], [145.47, -9.03], [145.25, -8.5], [145.35, -8.25], [145.32, -8.18], [144.97, -8.03], [144.75, -7.5]]]]}, "2010-01-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[144.75, -7.5], [144.97, -6.97], [145.5, -6.75], [146.03, -6.97], [146.18, -7.32], [146.53, -7.47], [146.75, -8.0], [146.57, -8.43], [147.0, -8.25], [147.53, -8.47], [147.68, -8.82], [148.03, -8.97], [148.18, -9.32], [148.25, -9.35], [148.5, -9.25], [148.75, -9.35], [149.0, -9.25], [149.53, -9.47], [149.68, -9.82], [149.75, -9.85], [150.0, -9.75], [150.53, -9.97], [150.68, -10.32], [150.75, -10.35], [151.0, -10.25], [151.25, -10.35], [151.5, -10.25], [151.75, -10.35], [152.0, -10.25], [152.25, -10.35], [152.5, -10.25], [152.75, -10.35], [152.82, -10.32], [152.97, -9.97], [153.5, -9.75], [154.03, -9.97], [154.18, -10.32], [154.53, -10.47], [154.75, -11.0], [154.53, -11.53], [154.18, -11.68], [154.15, -11.75], [154.25, -12.0], [154.03, -12.53], [153.5, -12.75], [153.25, -12.65], [153.0, -12.75], [152.47, -12.53], [152.32, -12.18], [151.97, -12.03], [151.82, -11.68], [151.75, -11.65], [151.68, -11.68], [151.53, -12.03], [151.0, -12.25], [150.75, -12.15], [150.5, -12.25], [149.97, -12.03], [149.82, -11.68], [149.75, -11.65], [149.5, -11.75], [148.97, -11.53], [148.82, -11.18], [148.47, -11.03], [148.32, -10.68], [148.25, -10.65], [148.0, -10.75], [147.75, -10.65], [147.5, -10.75], [146.97, -10.53], [146.82, -10.18], [146.47, -10.03], [146.25, -9.5], [146.35, -9.25], [146.25, -9.0], [146.43, -8.57], [146.0, -8.75], [145.47, -8.53], [145.32, -8.18], [144.97, -8.03], [144.75, -7.5]]]]}, "2010-02-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[146.43, -8.57], [146.0, -8.75], [145.47, -8.53], [145.25, -8.0], [145.47, -7.47], [146.0, -7.25], [146.53, -7.47], [146.75, -8.0], [146.57, -8.43], [147.0, -8.25], [147.53, -8.47], [147.68, -8.82], [148.03, -8.97], [148.18, -9.32], [148.25, -9.35], [148.5, -9.25], [148.75, -9.35], [149.0, -9.25], [149.53, -9.47], [149.68, -9.82], [150.03, -9.97], [150.18, -10.32], [150.25, -10.35], [150.5, -10.25], [150.75, -10.35], [151.0, -10.25], [151.25, -10.35], [151.5, -10.25], [151.75, -10.35], [152.0, -10.25], [152.25, -10.35], [152.5, -10.25], [152.75, -10.35], [152.82, -10.32], [152.97, -9.97], [153.5, -9.75], [154.03, -9.97], [154.18, -10.32], [154.53, -10.47], [154.75, -11.0], [154.53, -11.53], [154.18, -11.68], [154.15, -11.75], [154.25, -12.0], [154.03, -12.53], [153.5, -12.75], [153.25, -12.65], [153.0, -12.75], [152.47, -12.53], [152.32, -12.18], [151.97, -12.03], [151.82, -11.68], [151.75, -11.65], [151.68, -11.68], [151.53, -12.03], [151.0, -12.25], [150.75, -12.15], [150.5, -12.25], [149.97, -12.03], [149.82, -11.68], [149.75, -11.65], [149.5, -11.75], [148.97, -11.53], [148.82, -11.18], [148.47, -11.03], [148.32, -10.68], [148.25, -10.65], [148.0, -10.75], [147.47, -10.53], [147.32, -10.18], [147.25, -10.15], [147.0, -10.25], [146.47, -10.03], [146.25, -9.5], [146.35, -9.25], [146.25, -9.0], [146.43, -8.57]]]]}, "2010-02-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[147.97, -10.53], [147.75, -10.0], [147.97, -9.47], [148.5, -9.25], [148.75, -9.35], [149.0, -9.25], [149.53, -9.47], [149.75, -10.0], [149.53, -10.53], [149.0, -10.75], [148.75, -10.65], [148.5, -10.75], [147.97, -10.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.4131955591795418}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.3815296233785086}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.3445035831445, 28.381026463734656, 27.684325361919093, 28.428221085642235, 28.555241056725833, 28.55867158256069, 28.510974601328996, 28.27664075368409, 25.733785025051247]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.48014060065225, 28.56927543748293, 28.265212273610473, 28.921470055516068, 29.282014700152445, 29.70243514531046, 29.852328305799404, 29.508842749487542, 27.025254885731044]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.483616173683913, 1.5338392992222225, 1.4576221537381002, 1.4789973721706928, 1.69954275844763, 1.3439092097862337, 1.4284848686167417, 1.1557767964416186, 1.104202802470212]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.6519156443295628, 1.6883483386455964, 1.7238401067967857, 2.0585570576976693, 2.260137532490205, 2.2088080284624425, 2.279773793524157, 2.4131955591795418, 1.2717041278588113]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5402002171923095, 1.5906353895867829, 1.5276928217920123, 1.5755209012574882, 1.7990432469461635, 1.7321735807709884, 2.067467151125068, 1.6372150371437708, 1.4638317846872826]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6003539212542164, 1.8781821760448376, 1.8706738883640628, 2.112724425953622, 2.570594418585985, 2.1475479236438164, 2.669440161126933, 2.5037357182020132, 1.5551291625411665]}}