{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:01:58.568504", "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": "2024-Nov-01_to_2024-Nov-05_148.0_-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": 2024110000806}, "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": "November 01 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 05 2024"}, "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": 52034.36393763762}, "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"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Oceania"]}, "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": ["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": -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": 148.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "148.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 147.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 150.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -9.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -7.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[148.75, -6.85], [149.0, -6.75], [149.25, -6.85], [149.5, -6.75], [149.75, -6.85], [150.0, -6.75], [150.53, -6.97], [150.75, -7.5], [150.65, -7.75], [150.75, -8.0], [150.65, -8.25], [150.75, -8.5], [150.65, -8.75], [150.75, -9.0], [150.53, -9.53], [150.0, -9.75], [149.47, -9.53], [149.32, -9.18], [149.25, -9.15], [149.18, -9.18], [149.03, -9.53], [148.5, -9.75], [147.97, -9.53], [147.82, -9.18], [147.47, -9.03], [147.25, -8.5], [147.35, -8.25], [147.32, -8.18], [146.97, -8.03], [146.75, -7.5], [146.97, -6.97], [147.32, -6.82], [147.47, -6.47], [148.0, -6.25], [148.53, -6.47], [148.68, -6.82], [148.75, -6.85]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.E.Asia", "Equatorial.Pacific-Ocean"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-11-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[147.97, -8.03], [147.75, -7.5], [147.97, -6.97], [148.5, -6.75], [148.75, -6.85], [149.0, -6.75], [149.25, -6.85], [149.5, -6.75], [149.75, -6.85], [150.0, -6.75], [150.53, -6.97], [150.75, -7.5], [150.65, -7.75], [150.75, -8.0], [150.65, -8.25], [150.75, -8.5], [150.65, -8.75], [150.75, -9.0], [150.53, -9.53], [150.0, -9.75], [149.47, -9.53], [149.32, -9.18], [149.25, -9.15], [149.0, -9.25], [148.47, -9.03], [148.25, -8.5], [148.35, -8.25], [148.32, -8.18], [147.97, -8.03]]]]}, "2024-11-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[147.97, -8.03], [147.75, -7.5], [147.97, -6.97], [148.5, -6.75], [148.75, -6.85], [149.0, -6.75], [149.25, -6.85], [149.5, -6.75], [149.75, -6.85], [150.0, -6.75], [150.53, -6.97], [150.75, -7.5], [150.65, -7.75], [150.75, -8.0], [150.65, -8.25], [150.75, -8.5], [150.65, -8.75], [150.75, -9.0], [150.53, -9.53], [150.0, -9.75], [149.47, -9.53], [149.32, -9.18], [149.25, -9.15], [149.0, -9.25], [148.47, -9.03], [148.25, -8.5], [148.35, -8.25], [148.32, -8.18], [147.97, -8.03]]]]}, "2024-11-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[146.97, -8.03], [146.75, -7.5], [146.97, -6.97], [147.32, -6.82], [147.47, -6.47], [148.0, -6.25], [148.53, -6.47], [148.68, -6.82], [148.75, -6.85], [149.0, -6.75], [149.25, -6.85], [149.5, -6.75], [149.75, -6.85], [150.0, -6.75], [150.53, -6.97], [150.75, -7.5], [150.65, -7.75], [150.75, -8.0], [150.65, -8.25], [150.75, -8.5], [150.65, -8.75], [150.75, -9.0], [150.53, -9.53], [150.0, -9.75], [149.47, -9.53], [149.32, -9.18], [149.25, -9.15], [149.18, -9.18], [149.03, -9.53], [148.5, -9.75], [147.97, -9.53], [147.82, -9.18], [147.47, -9.03], [147.25, -8.5], [147.35, -8.25], [147.32, -8.18], [146.97, -8.03]]]]}, "2024-11-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[146.97, -8.03], [146.75, -7.5], [146.97, -6.97], [147.32, -6.82], [147.47, -6.47], [148.0, -6.25], [148.53, -6.47], [148.75, -7.0], [148.65, -7.25], [148.75, -7.5], [148.65, -7.75], [148.75, -8.0], [148.65, -8.25], [148.68, -8.32], [149.03, -8.47], [149.25, -9.0], [149.03, -9.53], [148.5, -9.75], [147.97, -9.53], [147.82, -9.18], [147.47, -9.03], [147.25, -8.5], [147.35, -8.25], [147.32, -8.18], [146.97, -8.03]]]]}, "2024-11-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[146.97, -8.03], [146.75, -7.5], [146.97, -6.97], [147.32, -6.82], [147.47, -6.47], [148.0, -6.25], [148.53, -6.47], [148.75, -7.0], [148.65, -7.25], [148.75, -7.5], [148.65, -7.75], [148.75, -8.0], [148.65, -8.25], [148.68, -8.32], [149.03, -8.47], [149.25, -9.0], [149.03, -9.53], [148.5, -9.75], [147.97, -9.53], [147.82, -9.18], [147.47, -9.03], [147.25, -8.5], [147.35, -8.25], [147.32, -8.18], [146.97, -8.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.7797614475983323}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.065189747997426}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.645875664913262, 27.672711482192597, 27.718052015117564, 27.563002522786462, 27.505554453531943]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.79012578328451, 27.941088612874353, 28.31281687418624, 28.142836507161462, 27.951192474365257]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.9166154572978009, 0.916798480449095, 1.1266007163901477, 1.2973677240346717, 1.2034508849687218]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.0260138457939547, 1.0963504502988144, 1.4142439058206264, 1.6989467254351212, 1.7797614475983323]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.7265759266498228, 1.7600379121907634, 2.1244192440563943, 2.250069700118767, 2.0804582819350466]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.9933265860450406, 2.077931607800951, 2.7700778419843743, 2.8471528525779974, 2.5771660765596907]}}