{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:24:55.439086", "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-Nov-19_to_2022-Nov-23_99.5_17.5"}, "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": 2022110002463}, "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": "November 19 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 23 2022"}, "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": 56355.515789280485}, "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": ["Myanmar", "Thailand"]}, "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": 17.5}, "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": 99.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "99.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 98.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 100.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 14.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 18.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[98.35, 15.75], [98.32, 15.82], [97.97, 15.97], [97.75, 16.5], [97.85, 16.75], [97.75, 17.0], [97.85, 17.25], [97.75, 17.5], [97.85, 17.75], [97.75, 18.0], [97.97, 18.53], [98.5, 18.75], [99.0, 18.54], [99.5, 18.75], [100.03, 18.53], [100.25, 18.0], [100.15, 17.75], [100.18, 17.68], [100.53, 17.53], [100.75, 17.0], [100.65, 16.75], [100.75, 16.5], [100.53, 15.97], [100.18, 15.82], [100.15, 15.75], [100.25, 15.5], [100.03, 14.97], [99.68, 14.82], [99.65, 14.75], [99.75, 14.5], [99.53, 13.97], [99.0, 13.75], [98.75, 13.85], [98.5, 13.75], [97.97, 13.97], [97.75, 14.5], [97.85, 14.75], [97.75, 15.0], [97.97, 15.53], [98.32, 15.68], [98.35, 15.75]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.E.Asia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-11-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[98.5, 17.25], [97.97, 17.47], [97.75, 18.0], [97.97, 18.53], [98.5, 18.75], [99.03, 18.53], [99.2, 18.13], [99.5, 18.25], [100.03, 18.03], [100.18, 17.68], [100.53, 17.53], [100.75, 17.0], [100.65, 16.75], [100.75, 16.5], [100.53, 15.97], [100.0, 15.75], [99.47, 15.97], [99.32, 16.32], [98.97, 16.47], [98.75, 17.0], [98.85, 17.25], [98.8, 17.38], [98.5, 17.25]]]]}, "2022-11-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[98.25, 16.5], [98.47, 17.03], [98.82, 17.18], [98.85, 17.25], [98.8, 17.38], [98.5, 17.25], [97.97, 17.47], [97.75, 18.0], [97.97, 18.53], [98.5, 18.75], [99.0, 18.54], [99.5, 18.75], [100.03, 18.53], [100.25, 18.0], [100.15, 17.75], [100.18, 17.68], [100.53, 17.53], [100.75, 17.0], [100.65, 16.75], [100.75, 16.5], [100.53, 15.97], [100.0, 15.75], [99.75, 15.85], [99.68, 15.82], [99.53, 15.47], [99.0, 15.25], [98.47, 15.47], [98.25, 16.0], [98.35, 16.25], [98.25, 16.5]]]]}, "2022-11-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[97.75, 15.0], [97.97, 15.53], [98.32, 15.68], [98.35, 15.75], [98.32, 15.82], [97.97, 15.97], [97.75, 16.5], [97.85, 16.75], [97.75, 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amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.0614310781066933}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.277403654067682}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.66543875487588, 26.470623144067417, 25.93683384503072, 26.081721850653025, 25.541488767133046]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.87289765289063, 28.68316273400376, 28.717770896873503, 28.77697075988999, 27.959794342741986]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.185325705763353, 2.113003963334222, 2.244943455096168, 2.41856699729982, 2.2783905640928737]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.535886651109024, 2.3417465272952995, 2.6573976865790883, 3.0614310781066933, 2.768252747452493]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3026775432295998, 1.23765931267699, 1.350069802320042, 1.443122703643117, 1.3629218112016361]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4940101381778952, 1.372806647615321, 1.5378611106383742, 2.002241912497316, 1.6130513634718757]}}