{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:19:11.526643", "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": "2019-Feb-12_to_2019-Feb-15_75.5_21.0"}, "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": 2019020001703}, "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 12 2019"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 15 2019"}, "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": 60908.37150192285}, "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": ["India"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.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": 21.0}, "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": 75.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "75.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 74.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 76.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 18.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 21.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2019-02-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[73.97, 21.03], [74.32, 21.18], [74.35, 21.25], [74.25, 21.5], [74.47, 22.03], [75.0, 22.25], [75.25, 22.15], [75.5, 22.25], [76.03, 22.03], [76.18, 21.68], [76.25, 21.65], [76.5, 21.75], [77.03, 21.53], [77.25, 21.0], [77.15, 20.75], [77.25, 20.5], [77.03, 19.97], [76.63, 19.8], [76.75, 19.5], [76.53, 18.97], [76.13, 18.8], [76.25, 18.5], [76.03, 17.97], [75.5, 17.75], [74.97, 17.97], [74.82, 18.32], [74.47, 18.47], [74.25, 19.0], [74.35, 19.25], [74.32, 19.32], [73.97, 19.47], [73.75, 20.0], [73.85, 20.25], [73.75, 20.5], [73.97, 21.03]]]]}, "2019-02-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[73.97, 21.03], [74.32, 21.18], [74.35, 21.25], [74.25, 21.5], [74.47, 22.03], [75.0, 22.25], [75.25, 22.15], [75.5, 22.25], [76.03, 22.03], [76.18, 21.68], [76.25, 21.65], [76.5, 21.75], [77.03, 21.53], [77.25, 21.0], [77.15, 20.75], [77.25, 20.5], [77.15, 20.25], [77.25, 20.0], [77.04, 19.5], [77.25, 19.0], [77.03, 18.47], [76.5, 18.25], [76.2, 18.38], [76.03, 17.97], [75.5, 17.75], [74.97, 17.97], [74.82, 18.32], [74.47, 18.47], [74.25, 19.0], [74.35, 19.25], [74.32, 19.32], [73.97, 19.47], [73.75, 20.0], [73.85, 20.25], [73.75, 20.5], [73.97, 21.03]]]]}, "2019-02-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[73.97, 21.03], [74.32, 21.18], [74.35, 21.25], [74.25, 21.5], [74.47, 22.03], [75.0, 22.25], [75.25, 22.15], [75.5, 22.25], [76.03, 22.03], [76.18, 21.68], [76.25, 21.65], [76.5, 21.75], [77.03, 21.53], [77.25, 21.0], [77.15, 20.75], [77.25, 20.5], [77.15, 20.25], [77.25, 20.0], [77.04, 19.5], [77.25, 19.0], [77.03, 18.47], [76.5, 18.25], [76.2, 18.38], [76.03, 17.97], [75.5, 17.75], [74.97, 17.97], [74.82, 18.32], [74.47, 18.47], [74.25, 19.0], [74.35, 19.25], [74.32, 19.32], [73.97, 19.47], [73.75, 20.0], [73.85, 20.25], [73.75, 20.5], [73.97, 21.03]]]]}, "2019-02-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[75.25, 19.5], [75.47, 20.03], [75.82, 20.18], [75.97, 20.53], [76.5, 20.75], [77.03, 20.53], [77.25, 20.0], [77.04, 19.5], [77.25, 19.0], [77.03, 18.47], [76.5, 18.25], [75.97, 18.47], [75.82, 18.82], [75.47, 18.97], [75.25, 19.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.276667537207857}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.9750007588438843}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.950460561760167, 26.487956673487474, 26.63034627155662, 26.75964367168251]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.816676578239708, 27.53311605255152, 28.071012103157386, 27.57538902415388]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.854137835294442, 3.0747654353333664, 3.0863602818356393, 2.262596544955026]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.8784441489267465, 4.276667537207857, 4.046715210042464, 2.485341387027404]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5080274699247285, 1.7041127220640941, 1.7112597264532317, 1.301761444135507]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.9452009418614775, 2.220604376696308, 2.054733920195098, 1.4385032028778544]}}