{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:18:38.306648", "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": "2020-Jan-13_to_2020-Jan-16_110.5_-1.0"}, "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": 2020010001743}, "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 13 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 16 2020"}, "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": 83453.68860652525}, "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", "Malaysia"]}, "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": []}, "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": -1.0}, "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": 110.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "110.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 109.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 113.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -1.25}, "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": {"2020-01-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[108.85, 0.25], [108.75, 0.5], [108.97, 1.03], [109.32, 1.18], [109.35, 1.25], [109.25, 1.5], [109.47, 2.03], [110.0, 2.25], [110.53, 2.03], [110.75, 1.5], [110.65, 1.25], [110.7, 1.13], [110.82, 1.18], [110.97, 1.53], [111.5, 1.75], [111.75, 1.65], [112.0, 1.75], [112.25, 1.65], [112.5, 1.75], [113.03, 1.53], [113.18, 1.18], [113.53, 1.03], [113.75, 0.5], [113.53, -0.03], [113.18, -0.18], [113.03, -0.53], [112.68, -0.68], [112.53, -1.03], [112.0, -1.25], [111.75, -1.15], [111.5, -1.25], [111.25, -1.15], [111.18, -1.18], [111.03, -1.53], [110.5, -1.75], [110.25, -1.65], [110.0, -1.75], [109.47, -1.53], [109.32, -1.18], [108.97, -1.03], [108.75, -0.5], [108.85, -0.25], [108.75, 0.0], [108.85, 0.25]]]]}, "2020-01-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[108.85, 0.25], [108.75, 0.5], [108.97, 1.03], [109.32, 1.18], [109.35, 1.25], [109.25, 1.5], [109.47, 2.03], [110.0, 2.25], [110.53, 2.03], [110.75, 1.5], [110.65, 1.25], [110.7, 1.13], [110.82, 1.18], [110.97, 1.53], [111.5, 1.75], [111.75, 1.65], [112.0, 1.75], [112.25, 1.65], [112.5, 1.75], [113.03, 1.53], [113.18, 1.18], [113.53, 1.03], [113.75, 0.5], [113.53, -0.03], [113.18, -0.18], [113.03, -0.53], [112.68, -0.68], [112.53, -1.03], [112.0, -1.25], [111.75, -1.15], [111.5, -1.25], [111.25, -1.15], [111.18, -1.18], [111.03, -1.53], [110.5, -1.75], [110.25, -1.65], [110.0, -1.75], [109.47, -1.53], [109.32, -1.18], [108.97, -1.03], [108.75, -0.5], [108.85, -0.25], [108.75, 0.0], [108.85, 0.25]]]]}, "2020-01-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[108.85, 0.25], [108.75, 0.5], [108.97, 1.03], [109.32, 1.18], [109.35, 1.25], [109.25, 1.5], [109.47, 2.03], [110.0, 2.25], [110.53, 2.03], [110.75, 1.5], [110.65, 1.25], [110.7, 1.13], [110.82, 1.18], [110.97, 1.53], [111.5, 1.75], [111.75, 1.65], [112.0, 1.75], [112.25, 1.65], [112.5, 1.75], [113.03, 1.53], [113.18, 1.18], [113.53, 1.03], [113.75, 0.5], [113.53, -0.03], [113.18, -0.18], [113.03, -0.53], [112.68, -0.68], [112.53, -1.03], [112.0, -1.25], [111.75, -1.15], [111.5, -1.25], [111.25, -1.15], [111.18, -1.18], [111.03, -1.53], [110.5, -1.75], [110.25, -1.65], [110.0, -1.75], [109.47, -1.53], [109.32, -1.18], [108.97, -1.03], [108.75, -0.5], [108.85, -0.25], [108.75, 0.0], [108.85, 0.25]]]]}, "2020-01-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[110.5, -0.25], [111.03, -0.47], [111.25, -1.0], [111.03, -1.53], [110.5, -1.75], [109.97, -1.53], [109.75, -1.0], [109.97, -0.47], [110.5, -0.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.1039444827887337}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.531134380947201}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.11082462890988, 27.071419846453523, 27.026067700486465, 26.793799869822067]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.976187651127532, 28.47826270447473, 28.26388277202045, 26.793799869822067]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.5761710284687511, 1.5348710115110147, 1.4943596184207035, 1.2071744608578001]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.8899612926621785, 2.1039444827887337, 1.9033889423213282, 1.2071744608578001]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.934871104724306, 1.8686664167634421, 1.8116499323948352, 1.4991635402921266]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.3892373741669664, 2.4818393533741707, 2.4436685216119645, 1.4991635402921266]}}