{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:02:37.144325", "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": "2015-Mar-21_to_2015-Mar-24_99.0_27.5"}, "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": 2015030002151}, "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": "March 21 2015"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 24 2015"}, "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": 61195.5299900704}, "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", "Myanmar"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.Asia", "S.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": 27.5}, "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": 99.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "99.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 98.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 101.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 23.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 27.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2015-03-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[97.97, 26.53], [98.32, 26.68], [98.35, 26.75], [98.25, 27.0], 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[101.65, 25.75], [101.75, 25.5], [101.65, 25.25], [101.75, 25.0], [101.53, 24.47], [101.0, 24.25], [100.75, 24.35], [100.68, 24.32], [100.65, 24.25], [100.75, 24.0], [100.53, 23.47], [100.0, 23.25], [99.47, 23.47], [99.25, 24.0], [99.35, 24.25], [99.32, 24.32], [99.25, 24.35], [99.0, 24.25], [98.47, 24.47], [98.32, 24.82], [97.97, 24.97], [97.75, 25.5], [97.85, 25.75], [97.75, 26.0], [97.97, 26.53]]]]}, "2015-03-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[97.97, 26.53], [98.32, 26.68], [98.35, 26.75], [98.25, 27.0], [98.35, 27.25], [98.25, 27.5], [98.47, 28.03], [99.0, 28.25], [99.25, 28.15], [99.5, 28.25], [100.03, 28.03], [100.2, 27.63], [100.5, 27.75], [101.03, 27.53], [101.25, 27.0], [101.15, 26.75], [101.18, 26.68], [101.53, 26.53], [101.75, 26.0], [101.65, 25.75], [101.75, 25.5], [101.65, 25.25], [101.75, 25.0], [101.53, 24.47], [101.0, 24.25], [100.75, 24.35], [100.68, 24.32], [100.65, 24.25], [100.75, 24.0], [100.53, 23.47], [100.0, 23.25], [99.47, 23.47], [99.25, 24.0], [99.35, 24.25], [99.32, 24.32], [99.25, 24.35], [99.0, 24.25], [98.47, 24.47], [98.32, 24.82], [97.97, 24.97], [97.75, 25.5], [97.85, 25.75], [97.75, 26.0], [97.97, 26.53]]]]}, "2015-03-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[99.0, 28.25], [99.53, 28.03], [99.75, 27.5], [99.53, 26.97], [99.0, 26.75], [98.47, 26.97], [98.25, 27.5], [98.47, 28.03], [99.0, 28.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.699825533792364}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.975701738265847}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [15.31955236502813, 15.269946529265042, 15.58323321315055, 6.153449468563338]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [19.912480972150604, 20.80846820864656, 20.762747724506767, 6.153449468563338]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.634020356375924, 2.998525364663142, 3.2795930388107903, 2.963282365224984]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.152664747054814, 3.4856561421039487, 3.699825533792364, 2.963282365224984]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3492998131905136, 1.5045974387033716, 1.6064448888795617, 1.610093316283252]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.611518784861799, 1.894202876213505, 1.9490466912130149, 1.610093316283252]}}