{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:52:57.523521", "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-Apr-24_to_2023-Apr-30_109.5_-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": 2023040002618}, "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 24 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 30 2023"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 7}, "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": 67819.71930388157}, "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": ["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": 109.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "109.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 106.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 112.5}, "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": -3.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[113.25, -5.0], [113.03, -5.53], [112.5, -5.75], [111.97, -5.53], [111.82, -5.18], [111.75, -5.15], [111.5, -5.25], [111.25, -5.15], [111.0, -5.25], [110.75, -5.15], [110.5, -5.25], [110.25, -5.15], [110.18, -5.18], [110.03, -5.53], [109.5, -5.75], [109.25, -5.65], [109.0, -5.75], [108.47, -5.53], [108.32, -5.18], [107.97, -5.03], [107.82, -4.68], [107.75, -4.65], [107.5, -4.75], [107.25, -4.65], [107.0, -4.75], [106.47, -4.53], [106.25, -4.0], [106.35, -3.75], [106.32, -3.68], [105.97, -3.53], [105.75, -3.0], [105.97, -2.47], [106.5, -2.25], [107.03, -2.47], [107.18, -2.82], [107.25, -2.85], [107.5, -2.75], [107.75, -2.85], [108.0, -2.75], [108.25, -2.85], [108.5, -2.75], [109.03, -2.97], [109.18, -3.32], [109.25, -3.35], [109.5, -3.25], [110.03, -3.47], [110.18, -3.82], [110.25, -3.85], [110.5, -3.75], [110.75, -3.85], [111.0, -3.75], [111.25, -3.85], [111.5, -3.75], [111.75, -3.85], [112.0, -3.75], [112.53, -3.97], [112.68, -4.32], [113.03, -4.47], [113.25, -5.0]]]]}}, "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": {"2023-04-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[111.97, -4.47], [112.5, -4.25], [113.03, -4.47], [113.25, -5.0], [113.03, -5.53], [112.5, -5.75], [111.97, -5.53], [111.75, -5.0], [111.97, -4.47]]]]}, "2023-04-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[109.5, -5.25], [108.97, -5.03], [108.75, -4.5], [108.97, -3.97], [109.5, -3.75], [109.75, -3.85], [110.0, -3.75], [110.25, -3.85], [110.5, -3.75], [110.75, -3.85], [111.0, -3.75], [111.25, -3.85], [111.5, -3.75], [111.75, -3.85], [112.0, -3.75], [112.53, -3.97], [112.68, -4.32], [113.03, -4.47], [113.25, -5.0], [113.03, -5.53], [112.5, -5.75], [111.97, -5.53], [111.82, -5.18], [111.75, -5.15], [111.5, -5.25], [111.25, -5.15], [111.0, -5.25], [110.75, -5.15], [110.5, -5.25], [110.25, -5.15], [110.0, -5.25], [109.75, -5.15], [109.5, -5.25]]]]}, 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"value": 1.0199379420648416}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.87110709391385, 28.625274054049896, 28.635420012743623, 28.665677043631206, 28.843673275198682, 28.624446581643383, 28.540165239933685]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.87110709391385, 28.75091877508413, 28.807104970757848, 29.022927798496994, 29.23322048886655, 28.834165776285772, 28.587521649607595]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.2710640930201862, 1.0363033653526128, 0.9830727122273686, 0.9941537195567776, 1.1649785169309372, 0.9237707472609221, 0.8352718648009869]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.2710640930201862, 1.1619883987472122, 1.2054144682811625, 1.400504373072124, 1.616227090800976, 1.1279764555004022, 0.8870617202917401]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [2.058261818542878, 1.726213453560738, 1.6565005882529515, 1.6722865427594291, 1.9865525178267334, 1.6723400176499075, 1.557918323352209]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.058261818542878, 1.9294118757458183, 1.9166751657907568, 2.07347792204541, 2.451743577284116, 2.0860917021917462, 1.6535248502737991]}}