{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:55:11.075730", "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-Apr-07_to_2025-Apr-11_107.0_-4.5"}, "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": 2025040001239}, "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": "April 07 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 11 2025"}, "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": 64642.95461292171}, "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"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.E.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": ["Java 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": -4.5}, "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": 107.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "107.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 106.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 109.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -6.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -3.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2025-04-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[107.47, -5.47], [108.0, -5.25], [108.25, -5.35], [108.5, -5.25], [109.03, -5.47], [109.25, -6.0], [109.15, -6.25], [109.25, -6.5], [109.03, -7.03], [108.5, -7.25], [108.25, -7.15], [108.0, -7.25], [107.47, -7.03], [107.25, -6.5], [107.35, -6.25], [107.25, -6.0], [107.47, -5.47]]]]}, "2025-04-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[107.5, -3.25], [108.0, -3.46], [108.5, -3.25], [109.03, -3.47], [109.25, -4.0], [109.15, -4.25], [109.18, -4.32], [109.53, -4.47], [109.68, -4.82], [110.03, -4.97], [110.25, -5.5], [110.15, -5.75], [110.25, -6.0], [110.03, -6.53], [109.5, -6.75], [109.25, -6.65], [109.18, -6.68], [109.03, -7.03], [108.5, -7.25], [108.25, -7.15], [108.0, -7.25], [107.47, -7.03], [107.25, -6.5], [107.35, -6.25], [107.25, -6.0], [107.47, -5.47], [107.82, -5.32], [107.85, -5.25], [107.75, -5.0], [107.85, -4.75], [107.8, -4.63], [107.68, -4.68], [107.53, -5.03], [107.0, -5.25], [106.47, -5.03], [106.25, -4.5], [106.47, -3.97], [106.82, -3.82], [106.97, -3.47], [107.5, -3.25]]]]}, "2025-04-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[106.47, -3.97], [106.82, -3.82], [106.97, -3.47], [107.5, -3.25], [107.75, -3.35], [108.0, -3.25], [108.25, -3.35], [108.5, -3.25], [109.03, -3.47], [109.25, -4.0], [109.15, -4.25], [109.18, -4.32], [109.53, -4.47], [109.68, -4.82], [110.03, -4.97], [110.25, -5.5], [110.15, -5.75], [110.25, -6.0], [110.03, -6.53], [109.5, -6.75], [109.25, -6.65], [109.18, -6.68], [109.03, -7.03], [108.5, -7.25], [108.25, -7.15], [108.0, -7.25], [107.47, -7.03], [107.25, -6.5], [107.35, -6.25], [107.25, -6.0], [107.38, -5.7], [107.25, -5.65], [107.0, -5.75], [106.47, -5.53], [106.25, -5.0], [106.35, -4.75], [106.25, -4.5], [106.47, -3.97]]]]}, "2025-04-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[106.47, -3.97], [106.82, -3.82], [106.97, -3.47], [107.5, -3.25], [107.75, -3.35], [108.0, -3.25], [108.25, -3.35], [108.5, -3.25], [109.03, -3.47], [109.25, -4.0], [109.15, -4.25], [109.18, -4.32], [109.53, -4.47], [109.68, -4.82], [110.03, -4.97], [110.25, -5.5], [110.15, -5.75], [110.25, -6.0], [110.03, -6.53], [109.5, -6.75], [109.25, -6.65], [109.18, -6.68], [109.03, -7.03], [108.5, -7.25], [107.97, -7.03], [107.75, -6.5], [107.96, -6.0], [107.82, -5.68], [107.75, -5.65], [107.5, -5.75], [107.25, -5.65], [107.0, -5.75], [106.47, -5.53], [106.25, -5.0], [106.35, -4.75], [106.25, -4.5], [106.47, -3.97]]]]}, "2025-04-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[106.47, -3.97], [106.82, -3.82], [106.97, -3.47], [107.5, -3.25], [107.75, -3.35], [108.0, -3.25], [108.25, -3.35], [108.5, -3.25], [109.03, -3.47], [109.25, -4.0], [109.15, -4.25], [109.18, -4.32], [109.53, -4.47], [109.68, -4.82], [110.03, -4.97], [110.25, -5.5], [110.03, -6.03], [109.5, -6.25], [109.25, -6.15], [109.0, -6.25], [108.75, -6.15], [108.5, -6.25], [107.97, -6.03], [107.82, -5.68], [107.75, -5.65], [107.5, -5.75], [107.25, -5.65], [107.0, -5.75], [106.47, -5.53], [106.25, -5.0], [106.35, -4.75], [106.25, -4.5], [106.47, -3.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.6963873548045285}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 0.9548821681265198}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.24406840006509, 28.22102345057897, 28.287900301009927, 28.375720243100773, 28.594199540880027]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.49976501464846, 28.794004058837913, 28.48046137491866, 28.762665049235068, 28.954279836018884]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.9578431943611463, 0.8425009225510394, 0.8997795966456146, 0.9428696395400588, 1.1505403580447553]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.4092674096447695, 1.6963873548045285, 1.3284922386198446, 1.3367695357533194, 1.5253576619766704]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.62874582677119, 1.5411819221233394, 1.675930925600009, 1.7833554385857424, 2.1489364981515306]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8376543762240913, 2.1743390967814626, 2.0522356852282995, 2.4799301530447844, 2.7820547294509255]}}