{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:06:31.105612", "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": "2016-Oct-17_to_2016-Oct-20_111.5_42.0"}, "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": 2016100002240}, "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": "October 17 2016"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 20 2016"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 272968.9450780682}, "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": ["China", "Mongolia"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.Asia", "E.C.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": []}, "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": 42.0}, "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": 111.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "111.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 104.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 113.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 36.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 42.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2016-10-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[104.47, 40.53], [104.82, 40.68], [104.97, 41.03], [105.32, 41.18], [105.35, 41.25], [105.25, 41.5], [105.47, 42.03], [105.82, 42.18], [105.97, 42.53], [106.5, 42.75], [106.75, 42.65], [106.82, 42.68], [106.97, 43.03], [107.5, 43.25], [107.75, 43.15], [108.0, 43.25], [108.25, 43.15], [108.5, 43.25], [109.03, 43.03], [109.18, 42.68], [109.25, 42.65], [109.5, 42.75], [109.75, 42.65], [110.0, 42.75], [110.25, 42.65], [110.5, 42.75], [110.75, 42.65], [111.0, 42.75], [111.25, 42.65], [111.5, 42.75], [111.75, 42.65], [112.0, 42.75], [112.25, 42.65], [112.5, 42.75], [112.75, 42.65], [113.0, 42.75], [113.25, 42.65], [113.5, 42.75], [114.03, 42.53], [114.25, 42.0], [114.03, 41.47], [113.68, 41.32], [113.63, 41.2], [114.03, 41.03], [114.25, 40.5], [114.03, 39.97], [113.5, 39.75], [112.97, 39.97], [112.75, 40.5], [112.88, 40.8], [112.75, 40.85], [112.5, 40.75], [111.97, 40.97], [111.82, 41.32], [111.75, 41.35], [111.5, 41.25], [111.25, 41.35], [111.0, 41.25], [110.75, 41.35], [110.5, 41.25], [110.25, 41.35], [110.0, 41.25], [109.75, 41.35], [109.5, 41.25], [109.25, 41.35], [109.0, 41.25], [108.75, 41.35], [108.5, 41.25], [108.25, 41.35], [108.0, 41.25], [107.75, 41.35], [107.68, 41.32], [107.53, 40.97], [107.0, 40.75], [106.75, 40.85], [106.68, 40.82], [106.53, 40.47], [106.18, 40.32], [106.03, 39.97], [105.68, 39.82], [105.65, 39.75], [105.7, 39.63], [106.0, 39.75], [106.53, 39.53], [106.75, 39.0], [106.65, 38.75], [106.75, 38.5], [106.53, 37.97], [106.0, 37.75], [105.47, 37.97], [105.25, 38.5], [105.35, 38.75], [105.3, 38.88], [105.0, 38.75], [104.47, 38.97], [104.25, 39.5], [104.35, 39.75], [104.25, 40.0], [104.47, 40.53]]]]}, "2016-10-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[104.47, 40.53], [104.82, 40.68], [104.85, 40.75], [104.75, 41.0], [104.97, 41.53], [105.32, 41.68], [105.47, 42.03], [105.82, 42.18], [105.97, 42.53], [106.5, 42.75], [106.75, 42.65], [106.82, 42.68], [106.97, 43.03], [107.5, 43.25], [107.75, 43.15], [108.0, 43.25], [108.25, 43.15], [108.5, 43.25], [109.03, 43.03], [109.18, 42.68], [109.25, 42.65], [109.5, 42.75], [109.75, 42.65], [110.0, 42.75], [110.25, 42.65], [110.5, 42.75], [110.75, 42.65], [111.0, 42.75], [111.25, 42.65], [111.5, 42.75], [111.75, 42.65], [112.0, 42.75], [112.25, 42.65], [112.5, 42.75], [112.75, 42.65], [113.0, 42.75], [113.25, 42.65], [113.5, 42.75], [114.03, 42.53], [114.25, 42.0], [114.03, 41.47], [113.68, 41.32], [113.65, 41.25], [113.68, 41.18], [114.03, 41.03], [114.25, 40.5], [114.03, 39.97], [113.5, 39.75], [112.97, 39.97], [112.82, 40.32], [112.75, 40.35], [112.68, 40.32], [112.53, 39.97], [112.0, 39.75], [111.75, 39.85], [111.5, 39.75], [111.25, 39.85], [111.0, 39.75], [110.57, 39.93], [110.75, 39.5], [110.65, 39.25], [110.75, 39.0], [110.65, 38.75], [110.68, 38.68], [111.03, 38.53], [111.25, 38.0], [111.04, 37.5], [111.25, 37.0], [111.03, 36.47], [110.5, 36.25], [109.97, 36.47], [109.82, 36.82], [109.75, 36.85], [109.5, 36.75], [109.25, 36.85], [109.0, 36.75], [108.75, 36.85], [108.5, 36.75], [108.25, 36.85], [108.0, 36.75], [107.75, 36.85], [107.68, 36.82], [107.53, 36.47], [107.18, 36.32], [107.03, 35.97], [106.5, 35.75], [106.25, 35.85], [106.0, 35.75], [105.75, 35.85], [105.5, 35.75], [104.97, 35.97], [104.75, 36.5], [104.85, 36.75], [104.75, 37.0], [104.97, 37.53], [105.32, 37.68], [105.35, 37.75], [105.25, 38.0], [105.35, 38.25], [105.25, 38.5], [105.35, 38.75], [105.32, 38.82], [105.25, 38.85], [105.0, 38.75], [104.47, 38.97], [104.25, 39.5], [104.35, 39.75], [104.25, 40.0], [104.47, 40.53]], [[110.18, 40.32], [110.13, 40.2], [110.43, 40.07], [110.32, 40.32], [110.25, 40.35], [110.18, 40.32]], [[107.82, 41.18], [107.85, 41.25], [107.82, 41.32], [107.75, 41.35], [107.68, 41.32], [107.63, 41.2], [107.75, 41.15], [107.82, 41.18]]]]}, "2016-10-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[104.47, 40.53], [104.82, 40.68], [104.85, 40.75], [104.75, 41.0], [104.97, 41.53], [105.32, 41.68], [105.47, 42.03], [105.82, 42.18], [105.97, 42.53], [106.5, 42.75], [106.75, 42.65], [106.82, 42.68], [106.97, 43.03], [107.5, 43.25], [107.75, 43.15], [108.0, 43.25], [108.25, 43.15], [108.5, 43.25], [109.03, 43.03], [109.18, 42.68], [109.25, 42.65], [109.5, 42.75], [109.75, 42.65], [110.0, 42.75], [110.25, 42.65], [110.5, 42.75], [110.75, 42.65], [111.0, 42.75], [111.25, 42.65], [111.5, 42.75], [111.75, 42.65], [112.0, 42.75], [112.25, 42.65], [112.5, 42.75], [112.75, 42.65], [113.0, 42.75], [113.25, 42.65], [113.5, 42.75], [114.03, 42.53], [114.25, 42.0], [114.03, 41.47], [113.68, 41.32], [113.65, 41.25], [113.68, 41.18], [114.03, 41.03], [114.25, 40.5], [114.03, 39.97], [113.5, 39.75], [112.97, 39.97], [112.82, 40.32], [112.75, 40.35], [112.68, 40.32], [112.53, 39.97], [112.0, 39.75], [111.75, 39.85], [111.5, 39.75], [111.25, 39.85], [111.0, 39.75], [110.57, 39.93], [110.75, 39.5], [110.65, 39.25], [110.75, 39.0], [110.65, 38.75], [110.68, 38.68], [111.03, 38.53], [111.25, 38.0], [111.04, 37.5], [111.25, 37.0], [111.03, 36.47], [110.5, 36.25], [109.97, 36.47], [109.82, 36.82], [109.75, 36.85], [109.5, 36.75], [109.25, 36.85], [109.0, 36.75], [108.75, 36.85], [108.5, 36.75], [108.25, 36.85], [108.0, 36.75], [107.75, 36.85], [107.68, 36.82], [107.53, 36.47], [107.18, 36.32], [107.03, 35.97], [106.5, 35.75], [106.25, 35.85], [106.0, 35.75], [105.75, 35.85], [105.5, 35.75], [104.97, 35.97], [104.75, 36.5], [104.85, 36.75], [104.75, 37.0], [104.97, 37.53], [105.32, 37.68], [105.35, 37.75], [105.25, 38.0], [105.35, 38.25], [105.25, 38.5], [105.35, 38.75], [105.32, 38.82], [105.25, 38.85], [105.0, 38.75], [104.47, 38.97], [104.25, 39.5], [104.35, 39.75], [104.25, 40.0], [104.47, 40.53]], [[110.18, 40.32], [110.13, 40.2], [110.43, 40.07], [110.32, 40.32], [110.25, 40.35], [110.18, 40.32]], [[107.82, 41.18], [107.85, 41.25], [107.82, 41.32], [107.75, 41.35], [107.68, 41.32], [107.63, 41.2], [107.75, 41.15], [107.82, 41.18]]]]}, "2016-10-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[104.97, 37.53], [105.32, 37.68], [105.35, 37.75], [105.25, 38.0], [105.35, 38.25], [105.25, 38.5], [105.38, 38.8], [104.97, 38.97], [104.75, 39.5], [104.97, 40.03], [105.38, 40.2], [105.32, 40.32], [104.97, 40.47], [104.75, 41.0], [104.97, 41.53], [105.5, 41.75], [105.75, 41.65], [106.0, 41.75], [106.25, 41.65], [106.5, 41.75], [106.93, 41.57], [106.75, 42.0], [106.85, 42.25], [106.75, 42.5], [106.97, 43.03], [107.5, 43.25], [107.75, 43.15], [108.0, 43.25], [108.25, 43.15], [108.5, 43.25], [109.03, 43.03], [109.25, 42.5], [109.15, 42.25], [109.18, 42.18], [109.25, 42.15], [109.32, 42.18], [109.47, 42.53], [110.0, 42.75], [110.25, 42.65], [110.5, 42.75], [110.75, 42.65], [111.0, 42.75], [111.25, 42.65], [111.5, 42.75], [112.03, 42.53], [112.18, 42.18], [112.53, 42.03], [112.68, 41.68], [112.75, 41.65], [113.0, 41.75], [113.53, 41.53], [113.75, 41.0], [113.53, 40.47], [113.0, 40.25], [112.75, 40.35], [112.68, 40.32], [112.53, 39.97], [112.0, 39.75], [111.75, 39.85], [111.5, 39.75], [111.25, 39.85], [111.0, 39.75], [110.57, 39.93], [110.75, 39.5], [110.65, 39.25], [110.75, 39.0], [110.65, 38.75], [110.68, 38.68], [111.03, 38.53], [111.25, 38.0], [111.04, 37.5], [111.25, 37.0], [111.03, 36.47], [110.5, 36.25], [109.97, 36.47], [109.82, 36.82], [109.75, 36.85], [109.5, 36.75], [109.25, 36.85], [109.0, 36.75], [108.75, 36.85], [108.5, 36.75], [108.25, 36.85], [108.0, 36.75], [107.75, 36.85], [107.68, 36.82], [107.53, 36.47], [107.18, 36.32], [107.03, 35.97], [106.5, 35.75], [106.25, 35.85], [106.0, 35.75], [105.75, 35.85], [105.5, 35.75], [104.97, 35.97], [104.75, 36.5], [104.85, 36.75], [104.75, 37.0], [104.97, 37.53]], [[107.07, 41.43], [107.2, 41.13], [107.5, 41.25], [107.07, 41.43]], [[107.75, 41.15], [107.82, 41.18], [107.85, 41.25], [107.82, 41.32], [107.75, 41.35], [107.5, 41.25], [107.75, 41.15]], [[110.18, 40.32], [110.13, 40.2], [110.43, 40.07], [110.32, 40.32], [110.25, 40.35], [110.18, 40.32]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 8.351942253331686}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 5.646996686309767}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [11.84842973192525, 13.091795938617565, 13.853101465654504, 12.611445400890716]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [14.70106950557647, 15.761274288272432, 16.60351223268856, 15.94110426386527]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.930073647973362, 5.355739251264455, 6.422474955651919, 5.29464921420621]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [6.2843953314077226, 8.351942253331686, 8.284108495546263, 6.5309784134270785]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.380566660675038, 1.6295640146242107, 1.912912010546478, 1.516538793008119]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7346823723268678, 2.1593615539330333, 2.3509856826600264, 2.0539831999208062]}}