{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:56:25.615329", "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": "2023-Nov-26_to_2023-Dec-01_116.5_6.5"}, "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": 2023110002023}, "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 26 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 01 2023"}, "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": 89164.89872703892}, "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": ["Malaysia"]}, "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": ["Celebes Sea", "South China Sea", "Sulu 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": 6.5}, "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": 116.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "116.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 114.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 119.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 5.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 7.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[120.03, 6.03], [120.25, 5.5], [120.15, 5.25], [120.25, 5.0], [120.03, 4.47], [119.5, 4.25], [119.25, 4.35], [119.0, 4.25], [118.5, 4.46], [118.0, 4.25], [117.5, 4.46], [117.0, 4.25], [116.5, 4.46], [116.0, 4.25], [115.47, 4.47], [115.25, 5.0], [115.38, 5.3], [115.25, 5.35], [115.18, 5.32], [115.03, 4.97], [114.5, 4.75], [113.97, 4.97], [113.82, 5.32], [113.47, 5.47], [113.25, 6.0], [113.35, 6.25], [113.25, 6.5], [113.47, 7.03], [114.0, 7.25], [114.25, 7.15], [114.32, 7.18], [114.47, 7.53], [115.0, 7.75], [115.25, 7.65], [115.5, 7.75], [116.03, 7.53], [116.18, 7.18], [116.25, 7.15], [116.5, 7.25], [116.75, 7.15], [117.0, 7.25], [117.53, 7.03], [117.68, 6.68], [118.03, 6.53], [118.18, 6.18], [118.25, 6.15], [118.5, 6.25], [118.75, 6.15], [119.0, 6.25], [119.25, 6.15], [119.5, 6.25], [120.03, 6.03]]]]}}, "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": {"2023-11-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[115.97, 7.03], [116.5, 7.25], [117.03, 7.03], [117.25, 6.5], [117.03, 5.97], [116.5, 5.75], [115.97, 5.97], [115.75, 6.5], [115.97, 7.03]]]]}, "2023-11-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[115.75, 6.0], [115.85, 6.25], [115.75, 6.5], [115.97, 7.03], [116.5, 7.25], [116.75, 7.15], [117.0, 7.25], [117.53, 7.03], [117.68, 6.68], [118.03, 6.53], [118.18, 6.18], [118.25, 6.15], [118.5, 6.25], [119.03, 6.03], [119.25, 5.5], [119.03, 4.97], [118.68, 4.82], [118.53, 4.47], [118.0, 4.25], [117.5, 4.46], [117.0, 4.25], [116.47, 4.47], [116.32, 4.82], [115.97, 4.97], [115.75, 5.5], [115.85, 5.75], [115.75, 6.0]]]]}, "2023-11-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[115.85, 5.75], [115.75, 6.0], [115.85, 6.25], [115.75, 6.5], [115.97, 7.03], [116.5, 7.25], [116.75, 7.15], [117.0, 7.25], [117.53, 7.03], [117.68, 6.68], [118.03, 6.53], [118.18, 6.18], [118.25, 6.15], [118.5, 6.25], [118.75, 6.15], [119.0, 6.25], [119.25, 6.15], [119.5, 6.25], [120.03, 6.03], [120.25, 5.5], [120.15, 5.25], [120.25, 5.0], [120.03, 4.47], [119.5, 4.25], [119.25, 4.35], [119.0, 4.25], [118.5, 4.46], [118.0, 4.25], [117.5, 4.46], [117.0, 4.25], [116.5, 4.46], [116.0, 4.25], [115.47, 4.47], [115.25, 5.0], [115.47, 5.53], [115.82, 5.68], [115.85, 5.75]]]]}, "2023-11-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[113.25, 6.5], [113.47, 7.03], [114.0, 7.25], [114.25, 7.15], [114.32, 7.18], [114.47, 7.53], [115.0, 7.75], [115.25, 7.65], [115.5, 7.75], [116.03, 7.53], [116.18, 7.18], [116.25, 7.15], [116.5, 7.25], [116.75, 7.15], [117.0, 7.25], [117.53, 7.03], [117.68, 6.68], [118.03, 6.53], [118.18, 6.18], [118.25, 6.15], [118.5, 6.25], [118.75, 6.15], [119.0, 6.25], [119.25, 6.15], [119.5, 6.25], [120.03, 6.03], [120.25, 5.5], [120.15, 5.25], [120.25, 5.0], [120.03, 4.47], [119.5, 4.25], [119.25, 4.35], [119.0, 4.25], [118.5, 4.46], [118.0, 4.25], [117.5, 4.46], [117.0, 4.25], [116.5, 4.46], [116.0, 4.25], [115.47, 4.47], [115.25, 5.0], [115.38, 5.3], [115.25, 5.35], [115.18, 5.32], [115.03, 4.97], [114.5, 4.75], [113.97, 4.97], [113.82, 5.32], [113.47, 5.47], [113.25, 6.0], [113.35, 6.25], [113.25, 6.5]]]]}, "2023-11-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[118.47, 6.03], [119.0, 6.25], [119.25, 6.15], [119.5, 6.25], [120.03, 6.03], [120.25, 5.5], [120.15, 5.25], [120.25, 5.0], [120.03, 4.47], [119.5, 4.25], [119.25, 4.35], [119.0, 4.25], [118.47, 4.47], [118.25, 5.0], [118.35, 5.25], [118.25, 5.5], [118.47, 6.03]]], [[[113.47, 7.03], [114.0, 7.25], [114.25, 7.15], [114.32, 7.18], [114.47, 7.53], [115.0, 7.75], [115.25, 7.65], [115.5, 7.75], [116.03, 7.53], [116.18, 7.18], [116.25, 7.15], [116.5, 7.25], [116.75, 7.15], [117.0, 7.25], [117.53, 7.03], [117.75, 6.5], [117.65, 6.25], [117.75, 6.0], [117.53, 5.47], [117.0, 5.25], [116.75, 5.35], [116.63, 5.3], [116.75, 5.0], [116.53, 4.47], [116.0, 4.25], [115.47, 4.47], [115.25, 5.0], [115.38, 5.3], [115.25, 5.35], [115.18, 5.32], [115.03, 4.97], [114.5, 4.75], [113.97, 4.97], [113.82, 5.32], [113.47, 5.47], [113.25, 6.0], [113.35, 6.25], [113.25, 6.5], [113.47, 7.03]]]]}, "2023-12-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[119.0, 4.75], [118.47, 4.97], [118.25, 5.5], [118.47, 6.03], [119.0, 6.25], [119.53, 6.03], [119.75, 5.5], [119.53, 4.97], [119.0, 4.75]]], [[[113.47, 7.03], [114.0, 7.25], [114.25, 7.15], [114.32, 7.18], [114.47, 7.53], [115.0, 7.75], [115.25, 7.65], [115.5, 7.75], [116.03, 7.53], [116.18, 7.18], [116.53, 7.03], [116.75, 6.5], [116.53, 5.97], [116.18, 5.82], [116.03, 5.47], [115.5, 5.25], [115.25, 5.35], [115.18, 5.32], [115.03, 4.97], [114.5, 4.75], [113.97, 4.97], [113.82, 5.32], [113.47, 5.47], [113.25, 6.0], [113.35, 6.25], [113.25, 6.5], [113.47, 7.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.8830577557646393}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.1979326697772699}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.42202299924054, 26.178420347575695, 26.48330602200093, 27.582709946395653, 27.622380387982616, 28.10852375288937]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.42202299924054, 27.673551707867148, 27.897915315962052, 28.75982035752253, 28.82783372033515, 28.39025371306593]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.9367283766247851, 1.03366063863056, 1.0145177421552054, 1.4486930434955858, 1.196658404887958, 1.0521812206489995]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [0.9367283766247851, 1.3628583474305742, 1.29971690113382, 1.8830577557646393, 1.806092761828097, 1.2972514482506767]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4131050923597024, 1.5992462752236953, 1.6810792286344833, 2.343716867194474, 1.9451404465951758, 1.6624709945303147]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4131050923597024, 2.0796652750146056, 2.088950926994447, 2.997520898029607, 2.8347996467273364, 2.0619528939978644]}}