{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:52:07.216569", "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-Mar-22_to_2023-Mar-25_117.0_-7.0"}, "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": 2023030002250}, "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 22 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 25 2023"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 61342.92775412994}, "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": ["Bali Sea", "Flores Sea", "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": -7.0}, "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": 117.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "117.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 116.0}, "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": -8.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -6.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[119.5, -7.25], [120.03, -7.47], [120.25, -8.0], [120.03, -8.53], [119.5, -8.75], [119.25, -8.65], [119.0, -8.75], [118.75, -8.65], [118.5, -8.75], [118.0, -8.54], [117.5, -8.75], [117.25, -8.65], [117.0, -8.75], [116.47, -8.53], [116.25, -8.0], [116.35, -7.75], [116.32, -7.68], [115.97, -7.53], [115.82, -7.18], [115.47, -7.03], [115.25, -6.5], [115.35, -6.25], [115.25, -6.0], [115.47, -5.47], [116.0, -5.25], [116.25, -5.35], [116.5, -5.25], [116.75, -5.35], [117.0, -5.25], [117.53, -5.47], [117.68, -5.82], [118.03, -5.97], [118.18, -6.32], [118.53, -6.47], [118.68, -6.82], [119.03, -6.97], [119.18, -7.32], [119.25, -7.35], [119.5, -7.25]]]]}}, "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": {"2023-03-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[115.25, -6.0], [115.47, -5.47], [116.0, -5.25], [116.25, -5.35], [116.5, -5.25], [116.75, -5.35], [117.0, -5.25], [117.53, -5.47], [117.68, -5.82], [118.03, -5.97], [118.18, -6.32], [118.53, -6.47], [118.68, -6.82], [119.03, -6.97], [119.18, -7.32], [119.25, -7.35], [119.5, -7.25], [120.03, -7.47], [120.25, -8.0], [120.03, -8.53], [119.5, -8.75], [119.25, -8.65], [119.0, -8.75], [118.75, -8.65], [118.5, -8.75], [118.0, -8.54], [117.5, -8.75], [117.25, -8.65], [117.0, -8.75], [116.47, -8.53], [116.25, -8.0], [116.35, -7.75], [116.32, -7.68], [115.97, -7.53], [115.82, -7.18], [115.47, -7.03], [115.25, -6.5], [115.35, -6.25], [115.25, -6.0]]]]}, "2023-03-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[115.25, -6.0], [115.47, -5.47], [116.0, -5.25], [116.25, -5.35], [116.5, -5.25], [116.75, -5.35], [117.0, -5.25], [117.53, -5.47], [117.68, -5.82], [118.03, -5.97], [118.18, -6.32], [118.53, -6.47], [118.68, -6.82], [119.03, -6.97], [119.18, -7.32], [119.25, -7.35], [119.5, -7.25], [120.03, -7.47], [120.25, -8.0], [120.03, -8.53], [119.5, -8.75], [119.25, -8.65], [119.0, -8.75], [118.75, -8.65], [118.5, -8.75], [118.0, -8.54], [117.5, -8.75], [117.25, -8.65], [117.0, -8.75], [116.47, -8.53], [116.25, -8.0], [116.35, -7.75], [116.32, -7.68], [115.97, -7.53], [115.82, -7.18], [115.47, -7.03], [115.25, -6.5], [115.35, -6.25], [115.25, -6.0]]]]}, "2023-03-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[115.25, -6.0], [115.47, -5.47], [116.0, -5.25], [116.25, -5.35], [116.5, -5.25], [116.75, -5.35], [117.0, -5.25], [117.53, -5.47], [117.68, -5.82], [118.03, -5.97], [118.18, -6.32], [118.53, -6.47], [118.68, -6.82], [119.03, -6.97], [119.18, -7.32], [119.25, -7.35], [119.5, -7.25], [120.03, -7.47], [120.25, -8.0], [120.03, -8.53], [119.5, -8.75], [119.25, -8.65], [119.0, -8.75], [118.75, -8.65], [118.5, -8.75], [118.0, -8.54], [117.5, -8.75], [117.25, -8.65], [117.0, -8.75], [116.47, -8.53], [116.25, -8.0], [116.35, -7.75], [116.32, -7.68], [115.97, -7.53], [115.82, -7.18], [115.47, -7.03], [115.25, -6.5], [115.35, -6.25], [115.25, -6.0]]]]}, "2023-03-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[118.5, -8.75], [117.97, -8.53], [117.75, -8.0], [117.97, -7.47], [118.5, -7.25], [118.75, -7.35], [119.0, -7.25], [119.25, -7.35], [119.5, -7.25], [120.03, -7.47], [120.25, -8.0], [120.03, -8.53], [119.5, -8.75], [119.25, -8.65], [119.0, -8.75], [118.75, -8.65], [118.5, -8.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.6368827844006546}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.1658141850817016}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.60549480008416, 28.652239086228008, 28.68649323745194, 28.35563838067293]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.96291936790243, 28.948064340676353, 29.123311619414267, 28.450981495667918]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.15344017285974, 1.180997102896916, 1.2044975048222397, 0.8891993495230963]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.5226721927909352, 1.4610268269289577, 1.6368827844006546, 1.0132092914022905]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.7082108318836682, 1.6698738258993342, 1.6851933478811787, 1.3871953707912563]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.1920821248120266, 2.0066917276266913, 2.216737021665471, 1.6067096309582227]}}