{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:21:23.532579", "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-22_to_2022-Jun-25_105.0_42.5"}, "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": 2022060002630}, "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 22 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 25 2022"}, "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": 66267.82270452609}, "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"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Asia", "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": 42.5}, "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": 105.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "105.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 102.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 105.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 40.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 43.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[102.25, 43.65], [102.32, 43.68], [102.47, 44.03], [103.0, 44.25], [103.53, 44.03], [103.68, 43.68], [103.75, 43.65], [104.0, 43.75], [104.25, 43.65], [104.5, 43.75], [104.75, 43.65], [105.0, 43.75], [105.25, 43.65], [105.5, 43.75], [106.03, 43.53], [106.25, 43.0], [106.15, 42.75], [106.25, 42.5], [106.15, 42.25], [106.25, 42.0], [106.03, 41.47], [105.68, 41.32], [105.53, 40.97], [105.18, 40.82], [105.15, 40.75], [105.25, 40.5], [105.03, 39.97], [104.5, 39.75], [103.97, 39.97], [103.75, 40.5], [103.85, 40.75], [103.82, 40.82], [103.47, 40.97], [103.32, 41.32], [103.25, 41.35], [103.0, 41.25], [102.75, 41.35], [102.5, 41.25], [101.97, 41.47], [101.82, 41.82], [101.47, 41.97], [101.25, 42.5], [101.35, 42.75], [101.25, 43.0], [101.47, 43.53], [102.0, 43.75], [102.25, 43.65]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.C.Asia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-06-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[104.25, 42.5], [104.47, 43.03], [104.82, 43.18], [104.97, 43.53], [105.5, 43.75], [106.03, 43.53], [106.25, 43.0], [106.15, 42.75], [106.25, 42.5], [106.15, 42.25], [106.25, 42.0], [106.03, 41.47], [105.5, 41.25], [104.97, 41.47], [104.82, 41.82], [104.47, 41.97], [104.25, 42.5]]], [[[102.0, 42.25], [101.47, 42.47], [101.25, 43.0], [101.47, 43.53], [102.0, 43.75], [102.53, 43.53], [102.75, 43.0], [102.53, 42.47], [102.0, 42.25]]]]}, "2022-06-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[101.25, 43.0], [101.47, 43.53], [102.0, 43.75], [102.25, 43.65], [102.32, 43.68], [102.47, 44.03], [103.0, 44.25], [103.53, 44.03], [103.68, 43.68], [103.75, 43.65], [104.0, 43.75], [104.25, 43.65], [104.5, 43.75], [104.75, 43.65], [105.0, 43.75], [105.25, 43.65], [105.5, 43.75], [106.03, 43.53], [106.25, 43.0], [106.15, 42.75], [106.25, 42.5], [106.15, 42.25], [106.25, 42.0], [106.03, 41.47], [105.68, 41.32], [105.53, 40.97], [105.18, 40.82], [105.15, 40.75], [105.25, 40.5], [105.03, 39.97], [104.5, 39.75], [103.97, 39.97], [103.75, 40.5], [103.85, 40.75], [103.82, 40.82], [103.47, 40.97], [103.32, 41.32], [103.25, 41.35], [103.0, 41.25], [102.75, 41.35], [102.5, 41.25], [101.97, 41.47], [101.82, 41.82], [101.47, 41.97], [101.25, 42.5], [101.35, 42.75], [101.25, 43.0]]]]}, "2022-06-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[101.25, 43.0], [101.47, 43.53], [102.0, 43.75], [102.25, 43.65], [102.32, 43.68], [102.47, 44.03], [103.0, 44.25], [103.53, 44.03], [103.68, 43.68], [103.75, 43.65], [104.0, 43.75], [104.25, 43.65], [104.5, 43.75], [104.75, 43.65], [105.0, 43.75], [105.25, 43.65], [105.5, 43.75], [106.03, 43.53], [106.25, 43.0], [106.15, 42.75], [106.25, 42.5], [106.15, 42.25], [106.25, 42.0], [106.03, 41.47], [105.68, 41.32], [105.53, 40.97], [105.18, 40.82], [105.15, 40.75], [105.25, 40.5], [105.03, 39.97], [104.5, 39.75], [103.97, 39.97], [103.75, 40.5], [103.85, 40.75], [103.82, 40.82], [103.47, 40.97], [103.32, 41.32], 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41.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 7.9023482361682795}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 5.782672914279054}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.440275930152325, 28.787161779254745, 31.211843195515087, 29.050974451109255]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [29.749099733028686, 32.50209074912317, 34.77941122861415, 33.27290014745722]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.697016402671386, 5.052902812953113, 7.3598965618157095, 5.0988204042050365]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.019583163306265, 5.753094057499027, 7.9023482361682795, 5.963919004835418]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4335608789211158, 1.6238694947057124, 2.38925152815858, 1.7249498273248813]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4907232883849468, 1.8653467880102217, 2.5933210613468534, 2.0434889064633097]}}