{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:17:46.934002", "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-15_to_2022-Feb-20_132.5_-8.5"}, "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": 2022020001993}, "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 15 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 20 2022"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 101080.69338030889}, "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", "Banda Sea", "Weber", "Weber Basin"]}, "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": -8.5}, "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": 132.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "132.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 130.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 133.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -9.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -5.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[134.03, -8.47], [134.25, -9.0], [134.03, -9.53], [133.5, -9.75], [133.25, -9.65], [133.0, -9.75], [132.75, -9.65], [132.68, -9.68], [132.53, -10.03], [132.0, -10.25], [131.75, -10.15], [131.5, -10.25], [130.97, -10.03], [130.75, -9.5], [130.85, -9.25], [130.82, -9.18], [130.75, -9.15], [130.5, -9.25], [129.97, -9.03], [129.75, -8.5], [129.85, -8.25], [129.75, -8.0], [129.97, -7.47], [130.38, -7.3], [130.25, -7.0], [130.35, -6.75], [130.32, -6.68], [129.97, -6.53], [129.82, -6.18], [129.47, -6.03], [129.25, -5.5], [129.47, -4.97], [130.0, -4.75], [130.25, -4.85], [130.5, -4.75], [130.75, -4.85], [131.0, -4.75], [131.25, -4.85], [131.5, -4.75], [132.03, -4.97], [132.25, -5.5], [132.15, -5.75], [132.25, -6.0], [132.15, -6.25], [132.25, -6.5], [132.15, -6.75], [132.18, -6.82], [132.25, -6.85], [132.5, -6.75], [132.75, -6.85], [133.0, -6.75], [133.25, -6.85], [133.5, -6.75], [134.03, -6.97], [134.25, -7.5], [134.03, -8.03], [133.63, -8.2], [133.68, -8.32], [134.03, -8.47]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.E.Asia", "N.Australia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-02-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[129.47, -6.03], [129.25, -5.5], [129.47, -4.97], [130.0, -4.75], [130.25, -4.85], [130.5, -4.75], [130.75, -4.85], [131.0, -4.75], [131.25, -4.85], [131.5, -4.75], [132.03, -4.97], [132.25, -5.5], [132.15, -5.75], [132.25, -6.0], [132.15, -6.25], [132.25, -6.5], [132.15, -6.75], [132.25, -7.0], [132.15, -7.25], [132.25, -7.5], [132.03, -8.03], [131.5, -8.25], [130.97, -8.03], [130.82, -7.68], [130.47, -7.53], [130.25, -7.0], [130.35, -6.75], [130.32, -6.68], [129.97, -6.53], [129.82, -6.18], [129.47, -6.03]]]]}, "2022-02-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[129.47, -6.03], [129.25, -5.5], [129.47, -4.97], [130.0, -4.75], [130.25, -4.85], [130.5, -4.75], [130.75, -4.85], [131.0, -4.75], [131.25, -4.85], [131.5, -4.75], [132.03, 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"coordinates": [[[[130.75, -9.0], [130.85, -8.75], [130.75, -8.5], [130.97, -7.97], [131.5, -7.75], [131.75, -7.85], [132.0, -7.75], [132.25, -7.85], [132.5, -7.75], [132.75, -7.85], [133.0, -7.75], [133.53, -7.97], [133.68, -8.32], [134.03, -8.47], [134.25, -9.0], [134.03, -9.53], [133.5, -9.75], [133.25, -9.65], [133.0, -9.75], [132.75, -9.65], [132.68, -9.68], [132.53, -10.03], [132.0, -10.25], [131.75, -10.15], [131.5, -10.25], [130.97, -10.03], [130.75, -9.5], [130.85, -9.25], [130.75, -9.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.2989812086582901}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 0.9346594943040305}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.0027910186364, 28.029639862474653, 28.186543486632445, 28.381688746839927, 28.294972121276373, 28.369158096816193]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.141983765135308, 28.204094720033424, 28.466755920651963, 28.635071366994964, 28.592681295455975, 28.65996816326225]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.8242539652205588, 0.8261684330197087, 0.9443174109555103, 1.0251670704354026, 0.9425481683085515, 1.0156804647645314]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.0487626975938156, 0.9387612438301289, 1.2210009345246249, 1.2603131526410607, 1.185764463983503, 1.2989812086582901]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.599124825255594, 1.6422100887345317, 1.9385427650352542, 2.0321850677418785, 1.7866649070476, 1.7439961010843974]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7751586026782538, 1.8562060193323582, 2.5749783424495156, 2.6018482360062247, 2.257140382057977, 2.1831597890559813]}}