{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:51:31.415123", "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": "2012-Sep-23_to_2012-Sep-27_139.5_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": 2012090002500}, "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": "September 23 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 27 2012"}, "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": 618406.9898702813}, "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", "S.E.Asia"]}, "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": 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": 139.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "139.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 133.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 143.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 3.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 13.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2012-09-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[135.85, 7.25], [135.75, 7.5], [135.97, 8.03], [136.32, 8.18], [136.47, 8.53], [136.82, 8.68], [136.85, 8.75], [136.75, 9.0], [136.97, 9.53], [137.32, 9.68], [137.35, 9.75], [137.25, 10.0], [137.47, 10.53], [138.0, 10.75], [138.25, 10.65], [138.5, 10.75], [138.75, 10.65], [138.82, 10.68], [138.85, 10.75], [138.75, 11.0], [138.97, 11.53], [139.5, 11.75], [139.75, 11.65], [139.82, 11.68], [139.97, 12.03], [140.32, 12.18], [140.47, 12.53], [141.0, 12.75], [141.25, 12.65], [141.32, 12.68], [141.47, 13.03], [141.82, 13.18], [141.97, 13.53], [142.5, 13.75], [143.03, 13.53], [143.18, 13.18], [143.53, 13.03], [143.75, 12.5], [143.65, 12.25], [143.75, 12.0], [143.53, 11.47], [143.18, 11.32], [143.15, 11.25], [143.25, 11.0], [143.15, 10.75], [143.25, 10.5], [143.03, 9.97], [142.68, 9.82], [142.65, 9.75], [142.75, 9.5], [142.65, 9.25], [142.75, 9.0], [142.65, 8.75], [142.75, 8.5], [142.53, 7.97], [142.18, 7.82], [142.15, 7.75], [142.18, 7.68], [142.53, 7.53], [142.75, 7.0], [142.53, 6.47], [142.18, 6.32], [142.15, 6.25], [142.25, 6.0], [142.15, 5.75], [142.25, 5.5], [142.15, 5.25], [142.25, 5.0], [142.03, 4.47], [141.68, 4.32], [141.53, 3.97], [141.18, 3.82], [141.03, 3.47], [140.5, 3.25], [140.25, 3.35], [140.0, 3.25], [139.75, 3.35], [139.68, 3.32], [139.53, 2.97], [139.0, 2.75], [138.75, 2.85], [138.5, 2.75], [137.97, 2.97], [137.75, 3.5], [137.53, 2.97], [137.0, 2.75], [136.47, 2.97], [136.25, 3.5], [136.47, 4.03], [136.88, 4.2], [136.82, 4.32], [136.47, 4.47], [136.25, 5.0], [136.35, 5.25], [136.25, 5.5], [136.35, 5.75], [136.32, 5.82], [135.97, 5.97], [135.75, 6.5], [135.85, 6.75], [135.75, 7.0], [135.85, 7.25]], [[137.93, 3.93], [137.63, 3.8], [137.75, 3.5], [137.93, 3.93]]]]}, "2012-09-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[133.97, 5.03], [134.32, 5.18], [134.35, 5.25], [134.25, 5.5], [134.47, 6.03], [135.0, 6.25], [135.25, 6.15], [135.32, 6.18], [135.47, 6.53], [135.82, 6.68], [135.85, 6.75], [135.75, 7.0], [135.85, 7.25], [135.75, 7.5], [135.97, 8.03], [136.32, 8.18], [136.47, 8.53], [136.82, 8.68], [136.85, 8.75], [136.75, 9.0], [136.97, 9.53], [137.32, 9.68], [137.35, 9.75], [137.25, 10.0], [137.35, 10.25], [137.25, 10.5], [137.47, 11.03], [137.82, 11.18], [137.97, 11.53], [138.32, 11.68], [138.47, 12.03], [139.0, 12.25], [139.25, 12.15], [139.5, 12.25], [139.75, 12.15], [139.82, 12.18], [139.97, 12.53], [140.5, 12.75], [140.75, 12.65], [141.0, 12.75], [141.25, 12.65], [141.32, 12.68], [141.47, 13.03], [141.82, 13.18], [141.97, 13.53], [142.5, 13.75], [143.03, 13.53], [143.18, 13.18], [143.53, 13.03], [143.75, 12.5], [143.65, 12.25], [143.75, 12.0], [143.53, 11.47], [143.18, 11.32], [143.15, 11.25], [143.25, 11.0], [143.15, 10.75], [143.25, 10.5], [143.03, 9.97], [142.68, 9.82], [142.65, 9.75], [142.75, 9.5], [142.65, 9.25], [142.75, 9.0], [142.65, 8.75], [142.75, 8.5], [142.53, 7.97], [142.18, 7.82], [142.15, 7.75], [142.18, 7.68], [142.53, 7.53], [142.75, 7.0], [142.53, 6.47], [142.18, 6.32], [142.15, 6.25], [142.25, 6.0], [142.15, 5.75], [142.25, 5.5], [142.15, 5.25], [142.25, 5.0], [142.03, 4.47], [141.68, 4.32], [141.53, 3.97], [141.18, 3.82], [141.03, 3.47], [140.5, 3.25], [140.25, 3.35], [140.0, 3.25], [139.75, 3.35], [139.68, 3.32], [139.53, 2.97], [139.0, 2.75], [138.75, 2.85], [138.5, 2.75], [137.97, 2.97], [137.75, 3.5], [137.53, 2.97], [137.0, 2.75], [136.47, 2.97], [136.32, 3.32], [135.97, 3.47], [135.8, 3.87], [135.5, 3.75], [135.25, 3.85], [135.18, 3.82], [135.03, 3.47], [134.5, 3.25], [133.97, 3.47], [133.75, 4.0], [133.85, 4.25], [133.75, 4.5], [133.97, 5.03]], [[137.93, 3.93], [137.63, 3.8], [137.75, 3.5], [137.93, 3.93]]]]}, "2012-09-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[132.97, 5.03], [133.32, 5.18], [133.35, 5.25], [133.25, 5.5], [133.35, 5.75], [133.25, 6.0], [133.35, 6.25], [133.32, 6.32], [132.97, 6.47], [132.75, 7.0], [132.85, 7.25], [132.75, 7.5], [132.97, 8.03], [133.32, 8.18], [133.47, 8.53], [134.0, 8.75], [134.25, 8.65], [134.5, 8.75], [135.03, 8.53], [135.25, 8.0], [135.15, 7.75], [135.18, 7.68], [135.53, 7.53], [135.75, 7.0], [135.85, 7.25], [135.75, 7.5], [135.97, 8.03], [136.32, 8.18], [136.47, 8.53], [136.82, 8.68], [136.85, 8.75], [136.75, 9.0], [136.97, 9.53], [137.32, 9.68], [137.35, 9.75], [137.25, 10.0], [137.35, 10.25], [137.25, 10.5], [137.47, 11.03], [137.82, 11.18], [137.97, 11.53], [138.32, 11.68], [138.47, 12.03], [139.0, 12.25], [139.25, 12.15], [139.5, 12.25], [139.75, 12.15], [139.82, 12.18], [139.97, 12.53], [140.5, 12.75], [140.75, 12.65], [141.0, 12.75], [141.25, 12.65], [141.32, 12.68], [141.47, 13.03], [141.82, 13.18], [141.97, 13.53], [142.5, 13.75], [143.03, 13.53], [143.18, 13.18], [143.53, 13.03], [143.75, 12.5], [143.65, 12.25], [143.75, 12.0], [143.53, 11.47], [143.18, 11.32], [143.15, 11.25], [143.25, 11.0], [143.15, 10.75], [143.25, 10.5], [143.03, 9.97], [142.68, 9.82], [142.65, 9.75], [142.75, 9.5], [142.65, 9.25], [142.75, 9.0], [142.65, 8.75], [142.75, 8.5], [142.53, 7.97], [142.18, 7.82], [142.15, 7.75], [142.18, 7.68], [142.53, 7.53], [142.75, 7.0], [142.53, 6.47], [142.18, 6.32], [142.15, 6.25], [142.25, 6.0], [142.15, 5.75], [142.25, 5.5], [142.15, 5.25], [142.25, 5.0], [142.03, 4.47], [141.68, 4.32], [141.53, 3.97], [141.18, 3.82], [141.03, 3.47], [140.5, 3.25], [140.25, 3.35], [140.0, 3.25], [139.75, 3.35], [139.68, 3.32], [139.53, 2.97], [139.0, 2.75], [138.75, 2.85], [138.5, 2.75], [137.97, 2.97], [137.75, 3.5], [137.53, 2.97], [137.0, 2.75], [136.47, 2.97], [136.32, 3.32], [136.0, 3.46], [135.5, 3.25], [135.25, 3.35], [135.0, 3.25], [134.75, 3.35], [134.5, 3.25], [134.25, 3.35], [134.0, 3.25], [133.75, 3.35], [133.5, 3.25], [132.97, 3.47], [132.75, 4.0], [132.85, 4.25], [132.75, 4.5], [132.97, 5.03]], [[135.57, 6.57], [135.82, 6.68], [135.85, 6.75], [135.75, 7.0], [135.57, 6.57]], [[137.93, 3.93], [137.63, 3.8], [137.75, 3.5], [137.93, 3.93]]]]}, "2012-09-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[133.32, 5.18], [133.35, 5.25], [133.25, 5.5], [133.35, 5.75], [133.25, 6.0], [133.35, 6.25], [133.32, 6.32], [132.97, 6.47], [132.75, 7.0], [132.85, 7.25], [132.75, 7.5], [132.97, 8.03], [133.32, 8.18], [133.47, 8.53], [134.0, 8.75], [134.25, 8.65], [134.5, 8.75], [135.03, 8.53], [135.25, 8.0], [135.15, 7.75], [135.18, 7.68], [135.53, 7.53], [135.75, 7.0], [135.85, 7.25], [135.75, 7.5], [135.97, 8.03], [136.5, 8.25], [137.03, 8.03], [137.25, 7.5], [137.15, 7.25], [137.25, 7.0], [137.15, 6.75], [137.25, 6.5], [137.15, 6.25], [137.18, 6.18], [137.53, 6.03], [137.75, 5.5], [137.65, 5.25], [137.75, 5.0], [137.53, 4.47], [137.18, 4.32], [137.15, 4.25], [137.25, 4.0], [137.03, 3.47], [136.5, 3.25], [136.0, 3.46], [135.5, 3.25], [135.25, 3.35], [135.0, 3.25], [134.75, 3.35], [134.5, 3.25], [134.25, 3.35], [134.0, 3.25], [133.75, 3.35], [133.5, 3.25], [132.97, 3.47], [132.75, 4.0], [132.85, 4.25], [132.75, 4.5], [132.97, 5.03], [133.32, 5.18]], [[135.57, 6.57], [135.82, 6.68], [135.85, 6.75], [135.75, 7.0], [135.57, 6.57]]], [[[137.75, 6.5], [137.97, 7.03], [138.5, 7.25], [139.03, 7.03], [139.25, 6.5], [139.15, 6.25], [139.25, 6.0], [139.15, 5.75], [139.25, 5.5], [139.03, 4.97], [138.5, 4.75], [137.97, 4.97], [137.75, 5.5], [137.85, 5.75], [137.75, 6.0], [137.85, 6.25], [137.75, 6.5]]], [[[137.82, 11.18], [137.97, 11.53], [138.32, 11.68], [138.47, 12.03], [139.0, 12.25], [139.25, 12.15], [139.5, 12.25], [139.75, 12.15], [139.82, 12.18], [139.97, 12.53], [140.5, 12.75], [140.75, 12.65], [141.0, 12.75], [141.53, 12.53], [141.75, 12.0], [141.53, 11.47], [141.13, 11.3], [141.25, 11.0], [141.15, 10.75], [141.25, 10.5], [141.15, 10.25], [141.25, 10.0], [141.15, 9.75], [141.25, 9.5], [141.03, 8.97], [140.5, 8.75], [140.25, 8.85], [140.18, 8.82], [140.15, 8.75], [140.25, 8.5], [140.03, 7.97], [139.68, 7.82], [139.53, 7.47], [139.0, 7.25], [138.47, 7.47], [138.32, 7.82], [137.97, 7.97], [137.75, 8.5], [137.85, 8.75], [137.75, 9.0], [137.85, 9.25], [137.75, 9.5], [137.85, 9.75], [137.82, 9.82], [137.47, 9.97], [137.25, 10.5], [137.47, 11.03], [137.82, 11.18]]]]}, "2012-09-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[132.97, 5.03], [133.32, 5.18], [133.35, 5.25], [133.25, 5.5], [133.35, 5.75], [133.25, 6.0], [133.35, 6.25], [133.32, 6.32], [132.97, 6.47], [132.75, 7.0], [132.85, 7.25], [132.75, 7.5], [132.97, 8.03], [133.32, 8.18], [133.47, 8.53], [134.0, 8.75], [134.25, 8.65], [134.5, 8.75], [135.03, 8.53], [135.25, 8.0], [135.15, 7.75], [135.18, 7.68], [135.53, 7.53], [135.75, 7.0], [135.54, 6.5], [135.75, 6.0], [135.65, 5.75], [135.75, 5.5], [135.65, 5.25], [135.75, 5.0], [135.65, 4.75], [135.68, 4.68], [136.03, 4.53], [136.25, 4.0], [136.03, 3.47], [135.5, 3.25], [135.25, 3.35], [135.0, 3.25], [134.75, 3.35], [134.5, 3.25], [134.25, 3.35], [134.0, 3.25], [133.75, 3.35], [133.5, 3.25], [132.97, 3.47], [132.75, 4.0], [132.85, 4.25], [132.75, 4.5], [132.97, 5.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.913184335766175}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.1686514706877937}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.39136508550547, 28.64501428296046, 28.453772130735558, 28.375125671475814, 28.487246591870473]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.703719320392338, 29.291904874992042, 28.8382381837892, 28.80418277533431, 28.810183013966878]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.0939097533931497, 1.3363492024820451, 1.1365156306776263, 1.047962912788435, 1.0945997244327885]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.3937952443135941, 1.913184335766175, 1.5414359484835813, 1.3934007845344354, 1.3547142950660032]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.8841146350089677, 2.31810536377391, 1.9787243254608242, 1.8450845294159663, 1.9441416032480163]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.487676819781318, 3.0960279969882234, 2.7433220981737927, 2.5176808823740418, 2.33730515856543]}}