{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:31:31.145035", "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": "2022-Jun-17_to_2022-Jun-22_109.0_18.5"}, "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": 2022060002198}, "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": "June 17 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 22 2022"}, "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": 55646.80083822677}, "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.Asia", "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 China 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": 18.5}, "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": 109.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "109.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 107.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 110.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 17.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 20.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-06-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[107.47, 19.03], [107.82, 19.18], [107.97, 19.53], [108.38, 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[108.0, 16.75], [107.47, 16.97], [107.25, 17.5], [107.35, 17.75], [107.25, 18.0], [107.35, 18.25]]]]}, "2022-06-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[107.35, 18.25], [107.25, 18.5], [107.35, 18.75], [107.25, 19.0], [107.47, 19.53], [108.0, 19.75], [108.25, 19.65], [108.32, 19.68], [108.35, 19.75], [108.25, 20.0], [108.35, 20.25], [108.25, 20.5], [108.47, 21.03], [109.0, 21.25], [109.53, 21.03], [109.75, 20.5], [109.65, 20.25], [109.7, 20.13], [110.0, 20.25], [110.53, 20.03], [110.75, 19.5], [110.53, 18.97], [110.18, 18.82], [110.15, 18.75], [110.25, 18.5], [110.15, 18.25], [110.25, 18.0], [110.03, 17.47], [109.68, 17.32], [109.53, 16.97], [109.0, 16.75], [108.75, 16.85], [108.5, 16.75], [108.25, 16.85], [108.0, 16.75], [107.47, 16.97], [107.25, 17.5], [107.35, 17.75], [107.25, 18.0], [107.35, 18.25]]]]}, "2022-06-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[107.35, 18.25], [107.25, 18.5], [107.35, 18.75], [107.25, 19.0], [107.47, 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amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.2848276755851062}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [29.90302756125874, 29.90932641922302, 30.00995211235943, 29.862265655775786, 29.91134327112883, 30.424435649458815]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [30.43799112850337, 31.423581728620093, 31.753984340153067, 31.49325103962343, 31.333549942620493, 31.284555175195976]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.0299054366713887, 1.2973279829994488, 1.386148448962298, 1.2401153507010434, 1.3428805998469315, 1.155950075010864]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.2999753580085098, 1.9683703758712454, 2.2806232921630567, 2.0170123675213745, 1.9608763870032249, 1.8236095155867815]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.2348455929777788, 1.4031645458951936, 1.4910095637222416, 1.3508785083497734, 1.458519412148668, 1.2043361707453275]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.3069424912162673, 1.702890847199271, 1.9188551666389524, 1.6502369528076808, 1.8387053050037414, 1.3464212510972193]}}