{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:54:36.417370", "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": "2023-Jul-16_to_2023-Jul-20_164.5_-14.5"}, "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": 2023070002088}, "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": "July 16 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 20 2023"}, "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": 57040.89475698627}, "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": ["Vanuatu"]}, "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": ["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": -14.5}, "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": 164.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "164.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 163.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 166.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -15.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -13.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[165.75, -14.5], [165.65, -14.75], [165.75, -15.0], [165.53, -15.53], [165.0, -15.75], [164.75, -15.65], [164.5, -15.75], [163.97, -15.53], [163.75, -15.0], [163.85, -14.75], [163.82, -14.68], [163.75, -14.65], [163.5, -14.75], [162.97, -14.53], [162.82, -14.18], [162.47, -14.03], [162.25, -13.5], [162.47, -12.97], [163.0, -12.75], [163.25, -12.85], [163.5, -12.75], [163.75, -12.85], [163.82, -12.82], [163.97, -12.47], [164.5, -12.25], [164.75, -12.35], [165.0, -12.25], [165.25, -12.35], [165.5, -12.25], [165.75, -12.35], [166.0, -12.25], [166.53, -12.47], [166.75, -13.0], [166.65, -13.25], [166.75, -13.5], [166.53, -14.03], [166.0, -14.25], [165.75, -14.15], [165.68, -14.18], [165.65, -14.25], [165.75, -14.5]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.Pacific-Ocean"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2023-07-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[164.5, -15.25], [163.97, -15.03], [163.75, -14.5], [163.97, -13.97], [164.5, -13.75], [164.75, -13.85], [165.0, -13.75], [165.53, -13.97], [165.75, -14.5], [165.53, -15.03], [165.0, -15.25], [164.75, -15.15], [164.5, -15.25]]]]}, "2023-07-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[163.75, -14.5], [163.97, -13.97], [164.5, -13.75], [164.75, -13.85], [165.0, -13.75], [165.53, -13.97], [165.75, -14.5], [165.65, -14.75], [165.75, -15.0], [165.53, -15.53], [165.0, -15.75], [164.75, -15.65], [164.5, -15.75], [163.97, -15.53], [163.75, -15.0], [163.85, -14.75], [163.75, -14.5]]]]}, "2023-07-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[162.47, -14.03], [162.25, -13.5], [162.47, -12.97], [163.0, -12.75], [163.25, -12.85], [163.5, -12.75], [163.75, -12.85], [163.82, -12.82], [163.97, -12.47], [164.5, -12.25], [164.75, -12.35], [165.0, -12.25], [165.25, -12.35], [165.5, -12.25], [165.75, -12.35], [166.0, -12.25], [166.53, -12.47], [166.75, -13.0], [166.65, -13.25], [166.75, -13.5], [166.53, -14.03], [166.0, -14.25], [165.75, -14.15], [165.68, -14.18], [165.65, -14.25], [165.75, -14.5], [165.65, -14.75], [165.75, -15.0], [165.53, -15.53], [165.0, -15.75], [164.75, -15.65], [164.5, -15.75], [163.97, -15.53], [163.75, -15.0], [163.85, -14.75], [163.82, -14.68], [163.75, -14.65], [163.5, -14.75], [162.97, -14.53], [162.82, -14.18], [162.47, -14.03]]]]}, "2023-07-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[162.47, -14.03], [162.25, -13.5], [162.47, -12.97], [163.0, -12.75], [163.25, -12.85], [163.5, -12.75], [163.75, -12.85], [163.82, -12.82], [163.97, -12.47], [164.5, -12.25], [164.75, -12.35], [165.0, -12.25], [165.25, -12.35], [165.5, -12.25], [165.75, -12.35], [166.0, -12.25], [166.53, -12.47], [166.75, -13.0], [166.65, -13.25], [166.75, -13.5], [166.53, -14.03], [166.0, -14.25], [165.75, -14.15], [165.68, -14.18], [165.65, -14.25], [165.75, -14.5], [165.65, -14.75], [165.75, -15.0], [165.53, -15.53], [165.0, -15.75], [164.75, -15.65], [164.5, -15.75], [163.97, -15.53], [163.75, -15.0], [163.85, -14.75], [163.82, -14.68], [163.75, -14.65], [163.5, -14.75], [162.97, -14.53], [162.82, -14.18], [162.47, -14.03]]]]}, "2023-07-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[162.47, -14.03], [162.25, -13.5], [162.47, -12.97], [163.0, -12.75], [163.25, -12.85], [163.5, -12.75], [163.75, -12.85], [163.82, -12.82], [163.97, -12.47], [164.5, -12.25], [164.75, -12.35], [165.0, -12.25], [165.25, -12.35], [165.5, -12.25], [165.75, -12.35], [166.0, -12.25], [166.53, -12.47], [166.75, -13.0], [166.65, -13.25], [166.75, -13.5], [166.53, -14.03], [166.0, -14.25], [165.75, -14.15], [165.68, -14.18], [165.53, -14.53], [165.0, -14.75], [164.75, -14.65], [164.5, -14.75], [164.25, -14.65], [164.0, -14.75], [163.75, -14.65], [163.5, -14.75], [162.97, -14.53], [162.82, -14.18], [162.47, -14.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.1660309418264205}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 0.9119010668852504}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.48868930404467, 26.375378253952363, 26.702000775418583, 26.74046197086659, 26.680803858013803]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.491433718468897, 26.434466328147266, 26.939688074429966, 26.904842327649305, 26.81544094867752]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.8774169389395183, 0.9030370637920413, 0.8992550875014474, 0.9762181001496963, 0.8534126831873892]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [0.8848540218305061, 0.9786806369459669, 1.082761283952891, 1.1660309418264205, 1.0664233739730093]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.2771545489962337, 1.2645189718324616, 1.4984407307838092, 1.6298819219466758, 1.536923436696057]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.2908138545386307, 1.344338859266394, 1.7851453262865713, 1.8441101172236456, 1.7877030808174337]}}