{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:18:12.251991", "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": "2018-Sep-21_to_2018-Sep-25_137.0_-0.5"}, "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": 2018090002505}, "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 21 2018"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 25 2018"}, "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": 89607.01279489996}, "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": ["Indonesia"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.E.Asia"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Asia"]}, "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": ["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": -0.5}, "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": 137.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "137.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 133.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 137.75}, "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": 0.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2018-09-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[135.25, -1.5], [135.47, -0.97], [135.88, -0.8], [135.75, -0.5], [135.97, 0.03], [136.32, 0.18], [136.47, 0.53], [137.0, 0.75], [137.53, 0.53], [137.68, 0.18], [138.03, 0.03], [138.25, -0.5], [138.15, -0.75], [138.25, -1.0], [138.03, -1.53], [137.68, -1.68], [137.53, -2.03], [137.18, -2.18], [137.03, -2.53], [136.5, -2.75], [135.97, -2.53], [135.82, -2.18], [135.47, -2.03], [135.25, -1.5]]]]}, "2018-09-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[134.35, -0.75], [134.25, -0.5], [134.47, 0.03], [135.0, 0.25], [135.25, 0.15], [135.5, 0.25], [135.75, 0.15], [136.0, 0.25], [136.25, 0.15], [136.32, 0.18], [136.47, 0.53], [137.0, 0.75], [137.53, 0.53], [137.68, 0.18], [138.03, 0.03], [138.25, -0.5], [138.15, -0.75], [138.25, -1.0], [138.03, -1.53], [137.68, -1.68], [137.53, -2.03], [137.18, -2.18], [137.03, -2.53], [136.68, -2.68], [136.53, -3.03], [136.18, -3.18], [136.03, -3.53], [135.5, -3.75], [134.97, -3.53], [134.82, -3.18], [134.47, -3.03], [134.25, -2.5], [134.46, -2.0], [134.25, -1.5], [134.35, -1.25], [134.25, -1.0], [134.35, -0.75]]]]}, "2018-09-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[134.32, -0.82], [134.35, -0.75], [134.25, -0.5], [134.47, 0.03], [135.0, 0.25], [135.25, 0.15], [135.32, 0.18], [135.47, 0.53], [136.0, 0.75], [136.25, 0.65], [136.5, 0.75], [136.75, 0.65], [137.0, 0.75], [137.53, 0.53], [137.68, 0.18], [138.03, 0.03], [138.25, -0.5], [138.15, -0.75], [138.25, -1.0], [138.03, -1.53], [137.68, -1.68], [137.53, -2.03], [137.18, -2.18], [137.03, -2.53], [136.68, -2.68], [136.53, -3.03], [136.18, -3.18], [136.03, -3.53], [135.5, -3.75], [135.25, -3.65], [135.0, -3.75], [134.47, -3.53], [134.25, -3.0], [134.35, -2.75], [134.3, -2.63], [134.0, -2.75], [133.47, -2.53], [133.25, -2.0], [133.47, -1.47], [133.82, -1.32], [133.97, -0.97], [134.32, -0.82]]]]}, "2018-09-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[134.32, -0.82], [134.35, -0.75], [134.25, -0.5], [134.47, 0.03], [135.0, 0.25], [135.25, 0.15], [135.32, 0.18], [135.47, 0.53], [136.0, 0.75], [136.25, 0.65], [136.5, 0.75], [136.75, 0.65], [137.0, 0.75], [137.53, 0.53], [137.75, 0.0], [137.65, -0.25], [137.75, -0.5], [137.65, -0.75], [137.75, -1.0], [137.65, -1.25], [137.75, -1.5], [137.53, -2.03], [137.18, -2.18], [137.03, -2.53], [136.68, -2.68], [136.53, -3.03], [136.18, -3.18], [136.03, -3.53], [135.5, -3.75], [135.25, -3.65], [135.0, -3.75], [134.47, -3.53], [134.25, -3.0], [134.35, -2.75], [134.3, -2.63], [134.0, -2.75], [133.47, -2.53], [133.25, -2.0], [133.47, -1.47], [133.82, -1.32], [133.97, -0.97], [134.32, -0.82]]]]}, "2018-09-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[135.03, -0.97], [135.25, -1.5], [135.03, -2.03], [134.68, -2.18], [134.57, -2.43], [135.0, -2.25], [135.43, -2.43], [135.25, -2.0], [135.47, -1.47], [136.0, -1.25], [136.53, -1.47], [136.75, -2.0], [136.53, -2.53], [136.0, -2.75], [135.57, -2.57], [135.75, -3.0], [135.53, -3.53], [135.0, -3.75], [134.47, -3.53], [134.25, -3.0], [134.43, -2.57], [134.0, -2.75], [133.47, -2.53], [133.25, -2.0], [133.47, -1.47], [133.82, -1.32], [133.97, -0.97], [134.5, -0.75], [135.03, -0.97]]], [[[135.25, 0.0], [135.47, 0.53], [136.0, 0.75], [136.25, 0.65], [136.5, 0.75], [136.75, 0.65], [137.0, 0.75], [137.53, 0.53], [137.75, 0.0], [137.65, -0.25], [137.75, -0.5], [137.53, -1.03], [137.0, -1.25], [136.47, -1.03], [136.32, -0.68], [136.25, -0.65], [136.0, -0.75], [135.47, -0.53], [135.25, 0.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.377043254744649}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.0576539684947779}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.234746268831373, 28.103353319178837, 28.28559839559756, 28.139382721040533, 28.111699422408662]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.623698434323273, 28.50416007258542, 28.826467913013573, 28.72605568915378, 28.367764775768762]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.1274285129293213, 1.0114893592805445, 1.1630534117695381, 1.0052737159853424, 0.9065912278451762]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.3294521838382707, 1.3102493767528358, 1.377043254744649, 1.2514902903082543, 1.071668103953641]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.7088817703825374, 1.6177853463225857, 1.8831385577276591, 1.6652572878359706, 1.4333220259202233]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.9004147907868925, 2.058596592374084, 2.324159978191483, 1.9158274135928532, 1.5999618139465333]}}