{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:17:14.340953", "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-Jan-22_to_2022-Jan-25_118.5_3.5"}, "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": 2022010002487}, "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": "January 22 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 25 2022"}, "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": 67845.1223049478}, "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": ["Philippines"]}, "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": ["Celebes Basin", "Celebes 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": 3.5}, "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": 118.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "118.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 118.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 121.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 2.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 5.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[118.32, 4.18], [118.47, 4.53], [118.82, 4.68], [118.97, 5.03], [119.32, 5.18], [119.47, 5.53], [120.0, 5.75], [120.25, 5.65], [120.5, 5.75], [121.03, 5.53], [121.18, 5.18], [121.53, 5.03], [121.68, 4.68], [122.03, 4.53], [122.25, 4.0], [122.15, 3.75], [122.25, 3.5], [122.03, 2.97], [121.5, 2.75], [121.25, 2.85], [121.0, 2.75], [120.75, 2.85], [120.5, 2.75], [120.25, 2.85], [120.0, 2.75], [119.75, 2.85], [119.68, 2.82], [119.53, 2.47], [119.0, 2.25], [118.75, 2.35], [118.68, 2.32], [118.53, 1.97], [118.0, 1.75], [117.47, 1.97], [117.25, 2.5], [117.47, 3.03], [117.82, 3.18], [117.85, 3.25], [117.75, 3.5], [117.97, 4.03], [118.32, 4.18]]]]}}, "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": {"2022-01-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[117.97, 2.97], [117.75, 3.5], [117.97, 4.03], [118.32, 4.18], [118.47, 4.53], [118.82, 4.68], [118.97, 5.03], [119.32, 5.18], [119.47, 5.53], [120.0, 5.75], [120.25, 5.65], [120.5, 5.75], [121.03, 5.53], [121.18, 5.18], [121.53, 5.03], [121.68, 4.68], [122.03, 4.53], [122.25, 4.0], [122.15, 3.75], [122.25, 3.5], [122.03, 2.97], [121.5, 2.75], [121.25, 2.85], [121.0, 2.75], [120.75, 2.85], [120.5, 2.75], [120.25, 2.85], [120.0, 2.75], [119.75, 2.85], [119.68, 2.82], [119.53, 2.47], [119.0, 2.25], [118.47, 2.47], [118.32, 2.82], [117.97, 2.97]]]]}, "2022-01-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[117.85, 3.25], [117.75, 3.5], [117.97, 4.03], [118.32, 4.18], [118.47, 4.53], [118.82, 4.68], [118.97, 5.03], [119.32, 5.18], [119.47, 5.53], [120.0, 5.75], [120.25, 5.65], [120.5, 5.75], [121.03, 5.53], [121.18, 5.18], [121.53, 5.03], [121.68, 4.68], [122.03, 4.53], [122.25, 4.0], [122.15, 3.75], [122.25, 3.5], [122.03, 2.97], [121.5, 2.75], [121.25, 2.85], [121.0, 2.75], [120.75, 2.85], [120.5, 2.75], [120.25, 2.85], [120.0, 2.75], [119.75, 2.85], [119.68, 2.82], [119.53, 2.47], [119.0, 2.25], [118.75, 2.35], [118.68, 2.32], [118.53, 1.97], [118.0, 1.75], [117.47, 1.97], [117.25, 2.5], [117.47, 3.03], [117.82, 3.18], [117.85, 3.25]]]]}, "2022-01-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[117.85, 3.25], [117.75, 3.5], [117.97, 4.03], [118.32, 4.18], [118.47, 4.53], [118.82, 4.68], [118.97, 5.03], [119.32, 5.18], [119.47, 5.53], [120.0, 5.75], [120.25, 5.65], [120.5, 5.75], [121.03, 5.53], [121.18, 5.18], [121.53, 5.03], [121.68, 4.68], [122.03, 4.53], [122.25, 4.0], [122.15, 3.75], [122.25, 3.5], [122.03, 2.97], [121.5, 2.75], [121.25, 2.85], [121.0, 2.75], [120.75, 2.85], [120.5, 2.75], [120.25, 2.85], [120.0, 2.75], [119.75, 2.85], [119.68, 2.82], [119.53, 2.47], [119.0, 2.25], [118.75, 2.35], [118.68, 2.32], [118.53, 1.97], [118.0, 1.75], [117.47, 1.97], [117.25, 2.5], [117.47, 3.03], [117.82, 3.18], [117.85, 3.25]]]]}, "2022-01-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[117.85, 3.25], [117.75, 3.5], [117.97, 4.03], [118.5, 4.25], [118.75, 4.15], [119.0, 4.25], [119.53, 4.03], [119.75, 3.5], [119.53, 2.97], [119.18, 2.82], [119.03, 2.47], [118.68, 2.32], [118.53, 1.97], [118.0, 1.75], [117.47, 1.97], [117.25, 2.5], [117.47, 3.03], [117.82, 3.18], [117.85, 3.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.2954720982146455}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 0.8992344156627075}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.446995051204, 27.563832247430298, 27.4114408593814, 27.149883435262836]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.830474825896772, 27.981243030213875, 27.605711619730698, 27.391722411086448]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.870058028970081, 1.0044188050473766, 0.8391645938302371, 0.7969862275887465]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.1364163591040892, 1.2954720982146455, 1.0906038262879747, 0.9562826371492292]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.7992045733195305, 2.075868761084498, 1.6969044229746801, 1.4962537436015224]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.3152547956560063, 2.528057231732868, 2.115620699521325, 1.8262765644914647]}}