{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:10:00.983588", "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": "2018-Jan-22_to_2018-Jan-24_113.5_-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": 2018010002349}, "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 2018"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 24 2018"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "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": 58644.581950923326}, "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", "South China 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": 113.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "113.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 109.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 114.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -4.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -1.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2018-01-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[109.47, -1.47], [110.0, -1.25], [110.25, -1.35], [110.5, -1.25], [111.03, -1.47], [111.18, -1.82], [111.53, -1.97], [111.68, -2.32], [111.75, -2.35], [112.0, -2.25], [112.25, -2.35], [112.5, -2.25], [113.03, -2.47], [113.18, -2.82], [113.25, -2.85], [113.5, -2.75], [113.75, -2.85], [113.82, -2.82], [113.97, -2.47], [114.5, -2.25], [115.03, -2.47], [115.25, -3.0], [115.15, -3.25], [115.25, -3.5], [115.15, -3.75], [115.25, -4.0], [115.03, -4.53], [114.5, -4.75], [113.97, -4.53], [113.82, -4.18], [113.75, -4.15], [113.5, -4.25], [113.25, -4.15], [113.0, -4.25], [112.75, -4.15], [112.5, -4.25], [112.25, -4.15], [112.0, -4.25], [111.75, -4.15], [111.5, -4.25], [110.97, -4.03], [110.82, -3.68], [110.75, -3.65], [110.5, -3.75], [109.97, -3.53], [109.82, -3.18], [109.47, -3.03], [109.25, -2.5], [109.35, -2.25], [109.25, -2.0], [109.47, -1.47]]]]}, "2018-01-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[109.47, -1.47], [110.0, -1.25], [110.25, -1.35], [110.5, -1.25], [111.03, -1.47], [111.18, -1.82], [111.53, -1.97], [111.68, -2.32], [111.75, -2.35], [112.0, -2.25], [112.25, -2.35], [112.5, -2.25], [113.03, -2.47], [113.18, -2.82], [113.25, -2.85], [113.5, -2.75], [113.75, -2.85], [113.82, -2.82], [113.97, -2.47], [114.5, -2.25], [115.03, -2.47], [115.25, -3.0], [115.15, -3.25], [115.25, -3.5], [115.15, -3.75], [115.25, -4.0], [115.03, -4.53], [114.5, -4.75], [113.97, -4.53], [113.82, -4.18], [113.75, -4.15], [113.5, -4.25], [113.25, -4.15], [113.0, -4.25], [112.75, -4.15], [112.5, -4.25], [112.25, -4.15], [112.0, -4.25], [111.75, -4.15], [111.5, -4.25], [110.97, -4.03], [110.82, -3.68], [110.75, -3.65], [110.5, -3.75], [109.97, -3.53], [109.82, -3.18], [109.47, -3.03], [109.25, -2.5], [109.35, -2.25], [109.25, -2.0], [109.47, -1.47]]]]}, "2018-01-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[109.47, -1.47], [110.0, -1.25], [110.25, -1.35], [110.5, -1.25], [111.03, -1.47], [111.18, -1.82], [111.53, -1.97], [111.68, -2.32], [111.75, -2.35], [112.0, -2.25], [112.25, -2.35], [112.5, -2.25], [113.03, -2.47], [113.18, -2.82], [113.25, -2.85], [113.5, -2.75], [113.75, -2.85], [113.82, -2.82], [113.97, -2.47], [114.5, -2.25], [115.03, -2.47], [115.25, -3.0], [115.15, -3.25], [115.25, -3.5], [115.15, -3.75], [115.25, -4.0], [115.03, -4.53], [114.5, -4.75], [113.97, -4.53], [113.82, -4.18], [113.75, -4.15], [113.5, -4.25], [113.25, -4.15], [113.0, -4.25], [112.75, -4.15], [112.5, -4.25], [112.25, -4.15], [112.0, -4.25], [111.75, -4.15], [111.5, -4.25], [110.97, -4.03], [110.82, -3.68], [110.75, -3.65], [110.5, -3.75], [109.97, -3.53], [109.82, -3.18], [109.47, -3.03], [109.25, -2.5], [109.35, -2.25], [109.25, -2.0], [109.47, -1.47]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.7441782764641403}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.0144347439826373}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.640470763448434, 27.672357439352027, 27.745578828741884]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.273262009093855, 28.644693623271507, 28.194575260048566]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.0217049918761991, 1.0005643358536502, 1.0210349042180629]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.4501545035105892, 1.7441782764641403, 1.2457890591308]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.74563075443164, 1.6896085281608277, 1.675883507602216]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.3124402682309504, 2.0097193372265347, 2.274169376490573]}}