{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:08:45.654490", "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": "2017-Aug-14_to_2017-Aug-18_106.5_39.5"}, "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": 2017080002061}, "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": "August 14 2017"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 18 2017"}, "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": 87378.10036789291}, "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"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["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": 39.5}, "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": 106.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "106.5\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": 110.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 38.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 41.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2017-08-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[107.0, 40.75], [106.47, 40.97], [106.25, 41.5], [106.47, 42.03], [107.0, 42.25], [107.25, 42.15], [107.5, 42.25], [107.75, 42.15], [108.0, 42.25], [108.25, 42.15], [108.5, 42.25], [109.03, 42.03], [109.18, 41.68], [109.25, 41.65], [109.5, 41.75], [109.75, 41.65], [110.0, 41.75], [110.25, 41.65], [110.5, 41.75], [111.03, 41.53], [111.25, 41.0], [111.03, 40.47], [110.68, 40.32], [110.53, 39.97], [110.18, 39.82], [110.03, 39.47], [109.5, 39.25], [109.0, 39.46], [108.5, 39.25], [107.97, 39.47], [107.82, 39.82], [107.7, 39.88], [107.53, 39.47], [107.18, 39.32], [107.03, 38.97], [106.5, 38.75], [105.97, 38.97], [105.75, 39.5], [105.97, 40.03], [106.32, 40.18], [106.47, 40.53], [107.0, 40.75]], [[107.3, 40.63], [107.35, 40.75], [107.32, 40.82], [107.25, 40.85], [107.0, 40.75], [107.3, 40.63]]]]}, "2017-08-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[104.47, 40.03], [104.82, 40.18], [104.85, 40.25], [104.75, 40.5], [104.97, 41.03], [105.32, 41.18], [105.47, 41.53], [106.0, 41.75], [106.3, 41.63], [106.47, 42.03], [107.0, 42.25], [107.25, 42.15], [107.5, 42.25], [107.75, 42.15], [108.0, 42.25], [108.25, 42.15], [108.5, 42.25], [109.03, 42.03], [109.18, 41.68], [109.25, 41.65], [109.5, 41.75], [109.75, 41.65], [110.0, 41.75], [110.25, 41.65], [110.5, 41.75], [111.03, 41.53], [111.25, 41.0], [111.03, 40.47], [110.68, 40.32], [110.53, 39.97], [110.18, 39.82], [110.03, 39.47], [109.5, 39.25], [109.2, 39.38], [109.03, 38.97], [108.5, 38.75], [108.0, 38.96], [107.68, 38.82], [107.53, 38.47], [107.0, 38.25], [106.5, 38.46], [106.18, 38.32], [106.03, 37.97], [105.5, 37.75], [104.97, 37.97], [104.82, 38.32], [104.47, 38.47], [104.25, 39.0], [104.35, 39.25], [104.25, 39.5], [104.47, 40.03]], [[106.82, 40.68], [106.88, 40.8], [106.7, 40.88], [106.63, 40.7], [106.75, 40.65], [106.82, 40.68]]]]}, "2017-08-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[104.47, 40.03], [104.82, 40.18], [104.85, 40.25], [104.75, 40.5], [104.97, 41.03], [105.32, 41.18], [105.47, 41.53], [106.0, 41.75], [106.3, 41.63], [106.47, 42.03], [107.0, 42.25], [107.25, 42.15], [107.5, 42.25], [107.75, 42.15], [108.0, 42.25], [108.25, 42.15], [108.5, 42.25], [109.03, 42.03], [109.18, 41.68], [109.25, 41.65], [109.5, 41.75], [109.75, 41.65], [110.0, 41.75], [110.25, 41.65], [110.5, 41.75], [111.03, 41.53], [111.25, 41.0], [111.03, 40.47], [110.68, 40.32], [110.53, 39.97], [110.18, 39.82], [110.03, 39.47], [109.5, 39.25], [109.2, 39.38], [109.03, 38.97], [108.5, 38.75], [108.0, 38.96], [107.68, 38.82], [107.53, 38.47], [107.0, 38.25], [106.5, 38.46], [106.18, 38.32], [106.03, 37.97], [105.5, 37.75], [104.97, 37.97], [104.82, 38.32], [104.47, 38.47], [104.25, 39.0], [104.35, 39.25], [104.25, 39.5], [104.47, 40.03]], [[106.82, 40.68], [106.88, 40.8], [106.7, 40.88], [106.63, 40.7], [106.75, 40.65], [106.82, 40.68]]]]}, "2017-08-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[104.47, 40.03], [104.82, 40.18], [104.85, 40.25], [104.75, 40.5], [104.97, 41.03], [105.32, 41.18], [105.47, 41.53], [106.0, 41.75], [106.53, 41.53], [106.75, 41.0], [106.63, 40.7], [106.8, 40.63], [106.97, 41.03], [107.5, 41.25], [108.03, 41.03], [108.18, 40.68], [108.53, 40.53], [108.68, 40.18], [109.03, 40.03], [109.25, 39.5], [109.03, 38.97], [108.5, 38.75], [108.0, 38.96], [107.68, 38.82], [107.53, 38.47], [107.0, 38.25], [106.5, 38.46], [106.18, 38.32], [106.03, 37.97], [105.5, 37.75], [104.97, 37.97], [104.82, 38.32], [104.47, 38.47], [104.25, 39.0], [104.35, 39.25], [104.25, 39.5], [104.47, 40.03]]]]}, "2017-08-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[104.47, 40.03], [104.82, 40.18], [104.85, 40.25], [104.75, 40.5], [104.97, 41.03], [105.32, 41.18], [105.47, 41.53], [106.0, 41.75], [106.53, 41.53], [106.75, 41.0], [106.63, 40.7], [106.8, 40.63], [106.97, 41.03], [107.5, 41.25], [108.03, 41.03], [108.25, 40.5], [108.03, 39.97], [107.5, 39.75], [107.2, 39.88], [107.15, 39.75], [107.25, 39.5], [107.03, 38.97], [106.68, 38.82], [106.53, 38.47], [106.0, 38.25], [105.75, 38.35], [105.5, 38.25], [105.25, 38.35], [105.0, 38.25], [104.47, 38.47], [104.25, 39.0], [104.35, 39.25], [104.25, 39.5], [104.47, 40.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 6.346550007858411}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.8717694489527315}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.674111436199155, 26.43665464881343, 26.750189214303248, 26.38060584458384, 27.051683312201078]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.89294383178958, 29.045508875793075, 29.627470656775643, 28.3782770778285, 28.69599105166475]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.4916780292030705, 4.8663496946629765, 5.256408570038361, 4.472693791248835, 4.932695767269995]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.257186610960275, 5.815582402898599, 6.346550007858411, 5.140174678520111, 5.772198238926933]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5566250790117067, 1.5795843050016194, 1.7937870699792677, 1.471559486378989, 1.6053407835436089]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.769733823917929, 1.8821529720031305, 2.073504198295974, 1.6554500815905009, 1.8092631914034452]}}