{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:18:28.530019", "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": "2022-Feb-28_to_2022-Mar-04_135.0_-4.0"}, "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": 2022020002667}, "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": "February 28 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 04 2022"}, "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": 52356.94988242089}, "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": ["Arafura 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": -4.0}, "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": 135.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "135.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 134.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 137.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -5.5}, "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": [[[[135.03, -2.97], [135.18, -3.32], [135.53, -3.47], [135.68, -3.82], [135.75, -3.85], [136.0, -3.75], [136.25, -3.85], [136.5, -3.75], [136.75, -3.85], [137.0, -3.75], [137.53, -3.97], [137.75, -4.5], [137.65, -4.75], [137.75, -5.0], [137.65, -5.25], [137.75, -5.5], [137.53, -6.03], [137.0, -6.25], [136.75, -6.15], [136.5, -6.25], [136.25, -6.15], [136.0, -6.25], [135.75, -6.15], [135.5, -6.25], [135.25, -6.15], [135.0, -6.25], [134.75, -6.15], [134.5, -6.25], [133.97, -6.03], [133.75, -5.5], [133.97, -4.97], [134.5, -4.75], [133.97, -4.53], [133.75, -4.0], [133.85, -3.75], [133.75, -3.5], [133.97, -2.97], [134.5, -2.75], [135.03, -2.97]], [[134.75, -4.85], [134.82, -4.82], [134.85, -4.75], [134.82, -4.68], [134.75, -4.65], [134.5, -4.75], [134.75, -4.85]]]]}}, "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": {"2022-02-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[133.75, -3.5], 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"2022-03-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[135.0, -4.75], [134.47, -4.53], [134.25, -4.0], [134.47, -3.47], [135.0, -3.25], [135.53, -3.47], [135.7, -3.87], [136.0, -3.75], [136.25, -3.85], [136.5, -3.75], [136.75, -3.85], [137.0, -3.75], [137.53, -3.97], [137.75, -4.5], [137.53, -5.03], [137.0, -5.25], [136.75, -5.15], [136.5, -5.25], [136.25, -5.15], [136.0, -5.25], [135.47, -5.03], [135.3, -4.63], [135.0, -4.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.9757683742476502}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.286320577277346}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.00466213234961, 28.22102727358572, 28.089190947866143, 28.04376691860608, 27.84715249141709]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.691547783790554, 28.99493704551122, 28.630524046728056, 28.68900224571979, 28.684134940857973]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.1682444087698882, 1.3754474098235037, 1.230999530898169, 1.3712736005448798, 1.4958019115061916]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.4909947617671833, 1.9757683742476502, 1.9038337543044008, 1.9625933129618147, 1.8135806126933858]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.692232543787436, 1.9910798304603035, 1.7956037713817927, 1.8670583021132667, 1.8636533682347056]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.19008540865129, 2.455443558209687, 2.8207911566146797, 2.7002813065169473, 2.033119134143026]}}