{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:44:46.626706", "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-May-16_to_2010-May-21_134.0_8.5"}, "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": 2010050001988}, "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": "May 16 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 21 2010"}, "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": 70345.45171668562}, "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": ["Palau"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Equatorial.Pacific-Ocean", "N.Pacific-Ocean"]}, "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": ["North Pacific Ocean", "Philippine 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": 8.5}, "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": 134.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "134.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 132.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 136.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 6.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 9.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-05-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[134.5, 8.25], [135.03, 8.03], [135.25, 7.5], [135.03, 6.97], [134.5, 6.75], [133.97, 6.97], [133.75, 7.5], [133.97, 8.03], [134.5, 8.25]]]]}, "2010-05-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[133.35, 8.25], [133.25, 8.5], [133.35, 8.75], [133.25, 9.0], [133.47, 9.53], [134.0, 9.75], [134.25, 9.65], [134.5, 9.75], [134.75, 9.65], [135.0, 9.75], [135.25, 9.65], [135.32, 9.68], [135.47, 10.03], [136.0, 10.25], [136.53, 10.03], [136.75, 9.5], [136.65, 9.25], [136.75, 9.0], [136.53, 8.47], [136.18, 8.32], [136.15, 8.25], [136.25, 8.0], [136.03, 7.47], [135.68, 7.32], [135.65, 7.25], [135.75, 7.0], [135.53, 6.47], [135.0, 6.25], [134.47, 6.47], [134.32, 6.82], [134.25, 6.85], [134.0, 6.75], [133.47, 6.97], [133.25, 7.5], [133.35, 7.75], [133.25, 8.0], [133.35, 8.25]]]]}, "2010-05-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[133.0, 9.25], [133.25, 9.15], [133.32, 9.18], [133.47, 9.53], [134.0, 9.75], [134.25, 9.65], [134.5, 9.75], [134.75, 9.65], [135.0, 9.75], [135.25, 9.65], [135.32, 9.68], [135.47, 10.03], [136.0, 10.25], [136.53, 10.03], [136.75, 9.5], [136.65, 9.25], [136.75, 9.0], [136.53, 8.47], [136.18, 8.32], [136.15, 8.25], [136.25, 8.0], [136.03, 7.47], [135.68, 7.32], [135.65, 7.25], [135.75, 7.0], [135.53, 6.47], [135.0, 6.25], [134.47, 6.47], [134.32, 6.82], [134.25, 6.85], [134.0, 6.75], [133.47, 6.97], [133.32, 7.32], [133.25, 7.35], [133.0, 7.25], [132.75, 7.35], [132.5, 7.25], [131.97, 7.47], [131.75, 8.0], [131.97, 8.53], [132.32, 8.68], [132.47, 9.03], [133.0, 9.25]]]]}, "2010-05-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[133.0, 9.25], [133.25, 9.15], [133.32, 9.18], [133.47, 9.53], [134.0, 9.75], [134.25, 9.65], [134.5, 9.75], [134.75, 9.65], [135.0, 9.75], [135.25, 9.65], [135.32, 9.68], [135.47, 10.03], [136.0, 10.25], [136.53, 10.03], [136.75, 9.5], [136.65, 9.25], [136.75, 9.0], [136.53, 8.47], [136.18, 8.32], [136.15, 8.25], [136.25, 8.0], [136.03, 7.47], [135.68, 7.32], [135.65, 7.25], [135.75, 7.0], [135.53, 6.47], [135.0, 6.25], [134.47, 6.47], [134.32, 6.82], [134.25, 6.85], [134.0, 6.75], [133.47, 6.97], [133.32, 7.32], [133.25, 7.35], [133.0, 7.25], [132.75, 7.35], [132.5, 7.25], [131.97, 7.47], [131.75, 8.0], [131.97, 8.53], [132.32, 8.68], [132.47, 9.03], [133.0, 9.25]]]]}, "2010-05-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[133.0, 9.25], [133.25, 9.15], [133.32, 9.18], [133.47, 9.53], [134.0, 9.75], [134.25, 9.65], [134.5, 9.75], [134.75, 9.65], [135.0, 9.75], [135.25, 9.65], [135.32, 9.68], [135.47, 10.03], [136.0, 10.25], [136.53, 10.03], [136.75, 9.5], [136.65, 9.25], [136.75, 9.0], [136.53, 8.47], [136.0, 8.25], [135.75, 8.35], [135.5, 8.25], [135.25, 8.35], [135.18, 8.32], [135.03, 7.97], [134.68, 7.82], [134.53, 7.47], [134.0, 7.25], [133.75, 7.35], [133.5, 7.25], [133.25, 7.35], [133.0, 7.25], [132.75, 7.35], [132.5, 7.25], [131.97, 7.47], [131.75, 8.0], [131.97, 8.53], [132.32, 8.68], [132.47, 9.03], [133.0, 9.25]]]]}, "2010-05-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[132.47, 7.97], [132.25, 8.5], [132.47, 9.03], [133.0, 9.25], [133.25, 9.15], [133.32, 9.18], [133.47, 9.53], [134.0, 9.75], [134.25, 9.65], [134.5, 9.75], [134.75, 9.65], [135.0, 9.75], [135.53, 9.53], [135.75, 9.0], [135.53, 8.47], [135.0, 8.25], [134.75, 8.35], [134.68, 8.32], [134.53, 7.97], [134.0, 7.75], [133.75, 7.85], [133.5, 7.75], [133.25, 7.85], [133.0, 7.75], [132.47, 7.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.3165030594138898}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 0.9133379767595142}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.11300803445448, 28.321576444035657, 28.331141315806065, 28.52882236338894, 28.338964282430368, 28.408965468032136]}, "evo_maxamp": {"name": "Evolution of maximum t2m", 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"anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4030457691940732, 2.485993053321665, 2.0189643097811762, 2.512232236576128, 1.909294985111237, 1.8354734455602257]}}