{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:18:52.681915", "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": "2020-Feb-01_to_2020-Feb-11_160.5_-9.5"}, "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": 2020020000956}, "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 01 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 11 2020"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 11}, "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": 266306.78907612176}, "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", "Solomon Islands"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Equatorial.Pacific-Ocean"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Asia", "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", "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": -9.5}, "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": 160.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "160.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 154.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 166.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -10.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -4.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-02-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[162.25, -8.0], [162.47, -7.47], [163.0, -7.25], [163.53, -7.47], [163.68, -7.82], [164.03, -7.97], [164.25, -8.5], [164.03, -9.03], [163.68, -9.18], [163.53, -9.53], [163.0, -9.75], [162.47, -9.53], [162.25, -9.0], [162.35, -8.75], [162.25, -8.5], [162.35, -8.25], [162.25, -8.0]]], [[[154.75, -6.0], [154.97, -5.47], [155.5, -5.25], [155.75, -5.35], [156.0, -5.25], [156.53, -5.47], [156.75, -6.0], [156.53, -6.53], [156.0, -6.75], [155.75, -6.65], [155.5, -6.75], [154.97, -6.53], [154.75, -6.0]]]]}, "2020-02-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[154.25, -5.5], [154.47, -4.97], [154.82, -4.82], [154.97, -4.47], [155.5, -4.25], [155.75, -4.35], [156.0, -4.25], [156.25, -4.35], [156.5, -4.25], [157.03, -4.47], [157.18, -4.82], [157.25, -4.85], [157.5, -4.75], [157.75, -4.85], [158.0, -4.75], [158.53, -4.97], [158.68, -5.32], [159.03, -5.47], [159.25, -6.0], [159.03, -6.53], [158.5, -6.75], [158.75, -6.85], [159.0, -6.75], [159.25, -6.85], [159.5, -6.75], [160.03, -6.97], [160.18, -7.32], [160.25, -7.35], [160.32, -7.32], [160.47, -6.97], [161.0, -6.75], [161.53, -6.97], [161.68, -7.32], [162.03, -7.47], [162.18, -7.82], [162.25, -7.85], [162.32, -7.82], [162.47, -7.47], [162.82, -7.32], [162.97, -6.97], [163.5, -6.75], [163.75, -6.85], [164.0, -6.75], [164.53, -6.97], [164.68, -7.32], [165.03, -7.47], [165.25, -8.0], [165.15, -8.25], [165.18, -8.32], [165.25, -8.35], [165.5, -8.25], [165.75, -8.35], [166.0, -8.25], [166.53, -8.47], [166.75, -9.0], [166.65, -9.25], [166.75, -9.5], [166.53, -10.03], [166.18, -10.18], [166.03, -10.53], [165.5, -10.75], [165.25, -10.65], [165.0, -10.75], [164.75, -10.65], [164.5, -10.75], [163.97, -10.53], [163.82, -10.18], [163.75, -10.15], [163.5, -10.25], [163.25, -10.15], [163.0, -10.25], [162.75, -10.15], [162.5, -10.25], [161.97, -10.03], [161.82, -9.68], [161.75, -9.65], [161.5, -9.75], [161.2, -9.63], [161.03, -10.03], [160.5, -10.25], [160.25, -10.15], [160.0, -10.25], [159.47, -10.03], [159.25, -9.5], [159.46, -9.0], [159.32, -8.68], [159.25, -8.65], [159.0, -8.75], [158.47, -8.53], [158.32, -8.18], [158.25, -8.15], [158.18, -8.18], [158.03, -8.53], [157.5, -8.75], [156.97, -8.53], [156.8, -8.13], [156.5, -8.25], [155.97, -8.03], [155.82, -7.68], [155.47, -7.53], [155.32, -7.18], [154.97, -7.03], [154.75, -6.5], [154.85, -6.25], [154.82, -6.18], [154.47, -6.03], [154.25, -5.5]], [[158.25, -6.65], [158.0, -6.75], [158.25, -6.85], [158.5, -6.75], [158.25, -6.65]], [[157.75, -6.65], [157.68, -6.68], [157.65, -6.75], [157.68, -6.82], [157.75, -6.85], [158.0, -6.75], [157.75, -6.65]]]]}, "2020-02-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[154.25, -5.5], [154.47, -4.97], [154.82, -4.82], [154.97, -4.47], [155.5, -4.25], [155.75, -4.35], [156.0, -4.25], [156.25, -4.35], [156.5, -4.25], [157.03, -4.47], [157.18, -4.82], [157.25, -4.85], [157.5, -4.75], [157.75, -4.85], [158.0, -4.75], [158.53, -4.97], [158.68, -5.32], [159.03, -5.47], [159.2, -5.87], [159.5, -5.75], [160.03, -5.97], [160.18, -6.32], [160.25, -6.35], [160.5, -6.25], [161.03, -6.47], [161.18, -6.82], [161.53, -6.97], [161.68, -7.32], [162.03, -7.47], [162.18, -7.82], [162.25, -7.85], [162.32, -7.82], [162.47, -7.47], [162.82, -7.32], [162.97, -6.97], [163.5, -6.75], [163.75, -6.85], [164.0, -6.75], [164.53, -6.97], [164.68, -7.32], [165.03, -7.47], [165.25, -8.0], [165.15, -8.25], [165.18, -8.32], [165.25, -8.35], [165.5, -8.25], [165.75, -8.35], [166.0, -8.25], [166.53, -8.47], [166.75, -9.0], [166.65, -9.25], [166.75, -9.5], [166.53, -10.03], [166.18, -10.18], [166.03, -10.53], [165.5, -10.75], [165.25, -10.65], [165.0, -10.75], [164.75, -10.65], [164.5, -10.75], [163.97, -10.53], [163.82, -10.18], [163.75, -10.15], [163.5, -10.25], [163.25, -10.15], [163.0, -10.25], [162.75, -10.15], [162.5, -10.25], [161.97, -10.03], [161.82, -9.68], [161.75, -9.65], [161.5, -9.75], [161.25, -9.65], [161.18, -9.68], [161.15, -9.75], [161.25, -10.0], [161.03, -10.53], [160.5, -10.75], [159.97, -10.53], [159.82, -10.18], [159.47, -10.03], [159.25, -9.5], [159.46, -9.0], [159.32, -8.68], [159.25, -8.65], [159.0, -8.75], [158.47, -8.53], [158.32, -8.18], [158.25, -8.15], [158.18, -8.18], [158.03, -8.53], [157.5, -8.75], [156.97, -8.53], [156.8, -8.13], [156.5, -8.25], [155.97, -8.03], [155.82, -7.68], [155.47, -7.53], [155.32, -7.18], [154.97, -7.03], [154.75, -6.5], [154.85, -6.25], [154.82, -6.18], [154.47, -6.03], [154.25, -5.5]], [[158.0, -6.75], [157.75, -6.65], [157.68, -6.68], [157.65, -6.75], [157.68, -6.82], [157.75, -6.85], [158.0, -6.75]], [[158.25, -6.85], [158.5, -6.75], [158.25, -6.65], [158.0, -6.75], [158.25, -6.85]], [[158.75, -6.85], [158.82, -6.82], [158.85, -6.75], [158.8, -6.63], [158.5, -6.75], [158.75, -6.85]]]]}, "2020-02-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[154.25, -5.5], [154.47, -4.97], [154.82, -4.82], [154.97, -4.47], [155.5, -4.25], [155.75, -4.35], [156.0, -4.25], [156.25, -4.35], [156.5, -4.25], [157.03, -4.47], [157.18, -4.82], [157.25, -4.85], [157.5, -4.75], [157.75, -4.85], [158.0, -4.75], [158.53, -4.97], [158.68, -5.32], [159.03, -5.47], [159.2, -5.87], [159.5, -5.75], [160.03, -5.97], [160.18, -6.32], [160.25, -6.35], [160.5, -6.25], [161.03, -6.47], [161.18, -6.82], [161.53, -6.97], [161.68, -7.32], [162.03, -7.47], [162.18, -7.82], [162.25, -7.85], [162.32, -7.82], [162.47, -7.47], [162.82, -7.32], [162.97, -6.97], [163.5, -6.75], [163.75, -6.85], [164.0, -6.75], [164.53, -6.97], [164.68, -7.32], [165.03, -7.47], [165.25, -8.0], [165.15, -8.25], [165.18, -8.32], [165.25, -8.35], [165.5, -8.25], [165.75, -8.35], [166.0, -8.25], [166.53, -8.47], [166.75, -9.0], [166.65, -9.25], [166.75, -9.5], [166.53, -10.03], [166.18, -10.18], [166.03, -10.53], [165.5, -10.75], [165.25, -10.65], [165.0, -10.75], [164.75, -10.65], [164.5, -10.75], [163.97, -10.53], [163.82, -10.18], [163.75, -10.15], [163.5, -10.25], [163.25, -10.15], [163.0, -10.25], [162.75, -10.15], [162.5, -10.25], [161.97, -10.03], [161.82, -9.68], [161.75, -9.65], [161.5, -9.75], [161.25, -9.65], [161.18, -9.68], [161.15, -9.75], [161.25, -10.0], [161.03, -10.53], [160.5, -10.75], [159.97, -10.53], [159.82, -10.18], [159.47, -10.03], [159.25, -9.5], [159.46, -9.0], [159.32, -8.68], [159.25, -8.65], [159.0, -8.75], [158.47, -8.53], [158.32, -8.18], [158.25, -8.15], [158.18, -8.18], [158.03, -8.53], [157.5, -8.75], [156.97, -8.53], [156.8, -8.13], [156.5, -8.25], [155.97, -8.03], [155.82, -7.68], [155.47, -7.53], [155.32, -7.18], [154.97, -7.03], [154.75, -6.5], [154.85, -6.25], [154.82, -6.18], [154.47, -6.03], [154.25, -5.5]], [[158.0, -6.75], [157.75, -6.65], [157.68, -6.68], [157.65, -6.75], [157.68, -6.82], [157.75, -6.85], [158.0, -6.75]], [[158.25, -6.85], [158.5, -6.75], [158.25, -6.65], [158.0, -6.75], [158.25, -6.85]], [[158.75, -6.85], [158.82, -6.82], [158.85, -6.75], [158.8, -6.63], [158.5, -6.75], [158.75, -6.85]]]]}, "2020-02-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[161.25, -7.85], [161.5, -7.75], [161.75, -7.85], [162.0, -7.75], [162.25, -7.85], [162.5, -7.75], [163.03, -7.97], [163.25, -8.5], [163.15, -8.75], [163.25, -9.0], [163.03, -9.53], [162.68, -9.68], [162.53, -10.03], [162.0, -10.25], [161.75, -10.15], [161.68, -10.18], [161.53, -10.53], [161.0, -10.75], [160.75, -10.65], [160.5, -10.75], [159.97, -10.53], [159.82, -10.18], [159.47, -10.03], [159.25, -9.5], [159.46, -9.0], [159.25, -8.5], [159.47, -7.97], [160.0, -7.75], [160.5, -7.96], [161.0, -7.75], [161.25, -7.85]]], [[[160.03, -5.97], [160.18, -6.32], [160.25, -6.35], [160.5, -6.25], [161.03, -6.47], [161.25, -7.0], [161.03, -7.53], [160.5, -7.75], [160.25, -7.65], [160.0, -7.75], [159.75, -7.65], [159.5, -7.75], [158.97, -7.53], [158.75, -7.0], [158.85, -6.75], [158.75, -6.5], [158.97, -5.97], [159.5, -5.75], [160.03, -5.97]]], [[[155.0, -4.75], [155.25, -4.85], [155.5, -4.75], [155.75, -4.85], [156.0, -4.75], [156.25, -4.85], [156.5, -4.75], [156.75, -4.85], [157.0, -4.75], [157.25, -4.85], [157.5, -4.75], [157.75, -4.85], [158.0, -4.75], [158.53, -4.97], [158.75, -5.5], [158.65, -5.75], [158.75, -6.0], [158.53, -6.53], [158.0, -6.75], [157.47, -6.53], [157.32, -6.18], [157.25, -6.15], [157.0, -6.25], [156.75, -6.15], [156.68, -6.18], [156.65, -6.25], [156.75, -6.5], [156.53, -7.03], [156.0, -7.25], [155.47, -7.03], [155.32, -6.68], [154.97, -6.53], [154.82, -6.18], [154.47, -6.03], [154.25, -5.5], [154.47, -4.97], [155.0, -4.75]]]]}, "2020-02-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[159.97, -10.53], [159.75, -10.0], [159.97, -9.47], [160.5, -9.25], [160.75, -9.35], [160.82, -9.32], [160.85, -9.25], [160.75, -9.0], [160.85, -8.75], [160.75, -8.5], [160.97, -7.97], [161.5, -7.75], [161.75, -7.85], [162.0, -7.75], [162.25, -7.85], [162.5, -7.75], [163.03, -7.97], [163.25, -8.5], [163.15, -8.75], [163.25, -9.0], [163.03, -9.53], [162.68, -9.68], [162.53, -10.03], [162.0, -10.25], [161.75, -10.15], [161.68, -10.18], [161.53, -10.53], [161.0, -10.75], [160.75, -10.65], [160.5, -10.75], [159.97, -10.53]]]]}, "2020-02-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[159.75, -9.5], [159.97, -8.97], [160.5, -8.75], [160.75, -8.85], [160.82, -8.82], [160.85, -8.75], [160.75, -8.5], [160.97, -7.97], [161.5, -7.75], [161.75, -7.85], [162.0, -7.75], [162.25, -7.85], [162.5, -7.75], [163.03, -7.97], [163.25, -8.5], [163.15, -8.75], [163.25, -9.0], [163.03, -9.53], [162.68, -9.68], [162.53, -10.03], [162.0, -10.25], [161.75, -10.15], [161.68, -10.18], [161.53, -10.53], [161.0, -10.75], [160.47, -10.53], [160.32, -10.18], [159.97, -10.03], [159.75, -9.5]]]]}, "2020-02-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[159.97, -10.03], [159.75, -9.5], [159.97, -8.97], [160.5, -8.75], [160.75, -8.85], [160.82, -8.82], [160.85, -8.75], [160.75, -8.5], [160.97, -7.97], [161.5, -7.75], [162.03, -7.97], [162.18, -8.32], [162.25, -8.35], [162.5, -8.25], [163.03, -8.47], [163.25, -9.0], [163.03, -9.53], [162.68, -9.68], [162.53, -10.03], [162.0, -10.25], [161.75, -10.15], [161.5, -10.25], [161.25, -10.15], [161.0, -10.25], [160.75, -10.15], [160.5, -10.25], [159.97, -10.03]]]]}, "2020-02-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[159.75, -9.5], [159.97, -8.97], [160.5, -8.75], [160.75, -8.85], [160.82, -8.82], [160.97, -8.47], [161.5, -8.25], [161.75, -8.35], [162.0, -8.25], [162.53, -8.47], [162.75, -9.0], [162.65, -9.25], [162.75, -9.5], [162.53, -10.03], [162.18, -10.18], [162.03, -10.53], [161.5, -10.75], [161.25, -10.65], [161.0, -10.75], [160.47, -10.53], [160.32, -10.18], [159.97, -10.03], [159.75, -9.5]]]]}, "2020-02-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[159.75, -9.5], [159.97, -8.97], [160.5, -8.75], [160.75, -8.85], [160.82, -8.82], [160.97, -8.47], [161.5, -8.25], [161.75, -8.35], [162.0, -8.25], [162.53, -8.47], [162.75, -9.0], [162.65, -9.25], [162.75, -9.5], [162.53, -10.03], [162.18, -10.18], [162.03, -10.53], [161.5, -10.75], [161.25, -10.65], [161.0, -10.75], [160.47, -10.53], [160.32, -10.18], [159.97, -10.03], [159.75, -9.5]]]]}, "2020-02-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[159.75, -9.5], [159.97, -8.97], [160.5, -8.75], [160.75, -8.85], [160.82, -8.82], [160.97, -8.47], [161.5, -8.25], [161.75, -8.35], [162.0, -8.25], [162.53, -8.47], [162.75, -9.0], [162.65, -9.25], [162.75, -9.5], [162.53, -10.03], [162.18, -10.18], [162.03, -10.53], [161.5, -10.75], [161.25, -10.65], [161.0, -10.75], [160.47, -10.53], [160.32, -10.18], [159.97, -10.03], [159.75, -9.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.349661404966355}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.114093399947572}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.10905890980888, 28.269167101595258, 28.65067659189515, 28.203698418868612, 28.015980345648472, 28.244194826016667, 28.27202272276162, 28.26206585591285, 28.126672566035154, 28.26300974833697, 28.54136447455585]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.539485193243024, 29.054799435586403, 29.429431189062825, 28.90486510025636, 28.68533783160393, 28.488668065978175, 28.58288723768061, 28.72295747200195, 28.424109225584345, 28.539689278091544, 28.732957629576333]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.8278036637585634, 1.0519698498490835, 1.455910327642348, 1.0183021353439758, 0.9097387533428711, 0.8767066490467414, 0.9390556292629267, 0.9510558139236949, 0.8525311615595541, 0.9789611410678489, 1.252928318954737]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [0.9548539374334268, 1.5366607809713742, 2.349661404966355, 1.5284757842919134, 1.125167565846823, 1.0364122247099772, 1.1247553177263967, 1.260296897750095, 1.0971293123956798, 1.1701801807762422, 1.7032992211585452]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.502603040325546, 1.8690040972292612, 2.588394983979924, 1.8094353059901365, 1.635498852035767, 1.6457190531758257, 1.7757509746527587, 1.791688702327865, 1.625864946893648, 1.8565246304786645, 2.368257210041279]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6628348911157802, 2.5019270778302363, 4.068244049150332, 2.657362990979177, 2.1851403204584394, 1.908756372286566, 2.098285263423656, 2.381994181600938, 2.048748744595897, 2.1685941574954937, 3.156130295679576]}}