{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:10:26.360298", "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-Mar-04_to_2018-Mar-06_141.5_-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": 2018030001611}, "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": "March 04 2018"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 06 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": 58601.883912845486}, "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", "Papua New Guinea"]}, "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": -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": 141.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "141.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 140.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 143.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -4.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -2.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2018-03-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[139.85, -3.25], [139.75, -3.0], [139.97, -2.47], [140.5, -2.25], [140.75, -2.35], [141.0, -2.25], [141.25, -2.35], [141.5, -2.25], [142.03, -2.47], [142.18, -2.82], [142.25, -2.85], [142.5, -2.75], [142.75, -2.85], [143.0, -2.75], [143.53, -2.97], [143.68, -3.32], [144.03, -3.47], [144.25, -4.0], [144.03, -4.53], [143.68, -4.68], [143.53, -5.03], [143.0, -5.25], [142.75, -5.15], [142.5, -5.25], [142.25, -5.15], [142.0, -5.25], [141.47, -5.03], [141.32, -4.68], [141.25, -4.65], [141.0, -4.75], [140.75, -4.65], [140.5, -4.75], [139.97, -4.53], [139.75, -4.0], [139.85, -3.75], [139.75, -3.5], [139.85, -3.25]]]]}, "2018-03-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[139.85, -3.25], [139.75, -3.0], [139.97, -2.47], [140.5, -2.25], [140.75, -2.35], [141.0, -2.25], [141.25, -2.35], [141.5, -2.25], [142.03, -2.47], [142.18, -2.82], [142.25, -2.85], [142.5, -2.75], [142.75, -2.85], [143.0, -2.75], [143.53, -2.97], [143.68, -3.32], [144.03, -3.47], [144.25, -4.0], [144.03, -4.53], [143.68, -4.68], [143.53, -5.03], [143.0, -5.25], [142.75, -5.15], [142.5, -5.25], [142.25, -5.15], [142.0, -5.25], [141.47, -5.03], [141.32, -4.68], [141.25, -4.65], [141.0, -4.75], [140.75, -4.65], [140.5, -4.75], [139.97, -4.53], [139.75, -4.0], [139.85, -3.75], [139.75, -3.5], [139.85, -3.25]]]]}, "2018-03-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[139.85, -3.25], [139.75, -3.0], [139.97, -2.47], [140.5, -2.25], [140.75, -2.35], [141.0, -2.25], [141.25, -2.35], [141.5, -2.25], [142.03, -2.47], [142.18, -2.82], [142.25, -2.85], [142.5, -2.75], [142.75, -2.85], [143.0, -2.75], [143.53, -2.97], [143.68, -3.32], [144.03, -3.47], [144.25, -4.0], [144.03, -4.53], [143.68, -4.68], [143.53, -5.03], [143.0, -5.25], [142.75, -5.15], [142.5, -5.25], [142.25, -5.15], [142.0, -5.25], [141.47, -5.03], [141.32, -4.68], [141.25, -4.65], [141.0, -4.75], [140.75, -4.65], [140.5, -4.75], [139.97, -4.53], [139.75, -4.0], [139.85, -3.75], [139.75, -3.5], [139.85, -3.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.532490630322343}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.6528199417249565}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.43627195114084, 28.018782285455643, 27.55972702832827]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [29.075788189664365, 29.75141237520569, 29.096356544201456]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.4066134257848562, 1.9978669432324163, 1.553979456157597]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.839565221192629, 2.5205712068715798, 2.532490630322343]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.668104868002698, 2.3373353353618533, 1.8158733400563611]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.9957810882318274, 2.684876840219376, 2.669753831143099]}}