{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:04:03.961887", "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": "2025-Mar-10_to_2025-Mar-15_128.5_-5.0"}, "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": 2025030001531}, "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 10 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 15 2025"}, "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": 52390.21985822222}, "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": ["Indonesia"]}, "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": ["Banda 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": -5.0}, "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": 128.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "128.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 127.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 129.5}, "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": -3.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[128.25, -5.65], [128.0, -5.75], [127.75, -5.65], [127.5, -5.75], [127.25, -5.65], [127.0, -5.75], [126.47, -5.53], [126.25, -5.0], [126.35, -4.75], [126.25, -4.5], [126.35, -4.25], [126.25, -4.0], [126.35, -3.75], [126.25, -3.5], [126.47, -2.97], [127.0, -2.75], [127.25, -2.85], [127.5, -2.75], [127.75, -2.85], [128.0, -2.75], [128.53, -2.97], [128.75, -3.5], [128.65, -3.75], [128.68, -3.82], [128.75, -3.85], [129.0, -3.75], [129.53, -3.97], [129.68, -4.32], [130.03, -4.47], [130.25, -5.0], [130.03, -5.53], [129.5, -5.75], [129.25, -5.65], [129.0, -5.75], [128.75, -5.65], [128.5, -5.75], [128.25, -5.65]]]]}}, "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": {"2025-03-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[127.97, -4.47], [128.5, -4.25], [129.03, -4.47], [129.25, -5.0], [129.03, -5.53], [128.5, -5.75], [127.97, -5.53], [127.75, -5.0], [127.97, -4.47]]]]}, "2025-03-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[127.47, -5.03], [127.25, -4.5], [127.47, -3.97], [128.0, -3.75], [128.25, -3.85], [128.5, -3.75], [129.03, -3.97], [129.18, -4.32], [129.53, -4.47], [129.75, -5.0], [129.53, -5.53], [129.0, -5.75], [128.75, -5.65], [128.5, -5.75], [127.97, -5.53], [127.82, -5.18], [127.47, -5.03]]]]}, "2025-03-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[126.25, -4.5], [126.35, -4.25], [126.25, -4.0], [126.47, -3.47], [126.82, -3.32], [126.97, -2.97], [127.5, -2.75], [128.03, -2.97], [128.18, -3.32], [128.53, -3.47], [128.68, -3.82], [128.75, -3.85], [129.0, -3.75], [129.53, -3.97], [129.68, -4.32], [130.03, -4.47], [130.25, -5.0], [130.03, -5.53], [129.5, -5.75], [129.25, -5.65], [129.0, -5.75], [128.75, -5.65], [128.5, -5.75], [128.25, -5.65], [128.0, -5.75], [127.75, -5.65], [127.5, -5.75], [127.25, -5.65], [127.0, -5.75], [126.47, -5.53], [126.25, -5.0], [126.35, -4.75], [126.25, -4.5]]]]}, "2025-03-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[126.25, -4.5], [126.35, -4.25], [126.25, -4.0], [126.35, -3.75], [126.25, -3.5], [126.47, -2.97], [127.0, -2.75], [127.25, -2.85], [127.5, -2.75], [127.75, -2.85], [128.0, -2.75], [128.53, -2.97], [128.75, -3.5], [128.65, -3.75], [128.68, -3.82], [128.75, -3.85], [129.0, -3.75], [129.53, -3.97], [129.68, -4.32], [130.03, -4.47], [130.25, -5.0], [130.03, -5.53], [129.5, -5.75], [129.25, -5.65], [129.0, -5.75], [128.75, -5.65], [128.5, -5.75], [128.25, -5.65], [128.0, -5.75], [127.75, -5.65], [127.5, -5.75], [127.25, -5.65], [127.0, -5.75], [126.47, -5.53], [126.25, -5.0], [126.35, -4.75], [126.25, -4.5]]]]}, "2025-03-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[126.25, -4.5], [126.35, -4.25], [126.25, -4.0], [126.35, -3.75], [126.25, -3.5], [126.47, -2.97], [127.0, -2.75], [127.25, -2.85], [127.5, -2.75], [127.75, -2.85], [128.0, -2.75], [128.53, -2.97], [128.75, -3.5], [128.65, -3.75], [128.68, -3.82], [128.75, -3.85], [129.0, -3.75], [129.53, -3.97], [129.68, -4.32], [130.03, -4.47], [130.25, -5.0], [130.03, -5.53], [129.5, -5.75], [129.25, -5.65], [129.0, -5.75], [128.75, -5.65], [128.5, -5.75], [128.25, -5.65], [128.0, -5.75], [127.75, -5.65], [127.5, -5.75], [127.25, -5.65], [127.0, -5.75], [126.47, -5.53], [126.25, -5.0], [126.35, -4.75], [126.25, -4.5]]]]}, "2025-03-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[129.5, -5.75], [128.97, -5.53], [128.75, -5.0], [128.97, -4.47], [129.5, -4.25], [130.03, -4.47], [130.25, -5.0], [130.03, -5.53], [129.5, -5.75]]], [[[126.25, -3.5], [126.47, -2.97], [127.0, -2.75], [127.5, -2.96], [128.0, -2.75], [128.53, -2.97], [128.75, -3.5], [128.65, -3.75], [128.75, -4.0], [128.53, -4.53], [128.0, -4.75], [127.75, -4.65], [127.5, -4.75], [126.97, -4.53], [126.82, -4.18], [126.47, -4.03], [126.25, -3.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.6162262184667497}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 0.9587032470366249}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.945241546630882, 28.021550750732445, 28.143215688069688, 28.110528863645072, 27.94612550922477, 27.29690882364912]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.945241546630882, 28.028752899169945, 28.395510609944665, 28.55495096842452, 28.416771189371786, 28.031072235107445]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.7625917794983366, 0.80215581448779, 0.9561783049198539, 1.112194782761037, 0.9314953641926121, 0.7013738931403054]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [0.7625917794983366, 0.8349919076615606, 1.1199636571744236, 1.6162262184667497, 1.1796940306763304, 0.7844932634557722]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.2496620702733303, 1.3504389379018225, 1.6848862785620464, 2.0017731321168917, 1.7098316127951352, 1.337675840801381]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.2496620702733303, 1.3890772122172643, 1.9316111787247432, 3.2731128200390187, 2.0960551650856183, 1.5099101060507953]}}