{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:22:49.395795", "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-Dec-29_to_2021-Jan-01_92.5_10.0"}, "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": 2020120002870}, "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": "December 29 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 01 2021"}, "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": 112700.11317790108}, "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": ["Bay-of-Bengal", "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": ["Andaman or Burma Sea", "Bay of Bengal"]}, "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": 10.0}, "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": 92.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "92.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 89.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 93.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 7.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 11.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-12-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[89.47, 11.03], [89.82, 11.18], [89.85, 11.25], [89.75, 11.5], [89.97, 12.03], [90.5, 12.25], [90.75, 12.15], [91.0, 12.25], [91.25, 12.15], [91.5, 12.25], [92.03, 12.03], [92.18, 11.68], [92.53, 11.53], [92.68, 11.18], [92.75, 11.15], [93.0, 11.25], [93.53, 11.03], [93.75, 10.5], [93.65, 10.25], [93.75, 10.0], [93.63, 9.7], [94.03, 9.53], [94.25, 9.0], [94.15, 8.75], [94.25, 8.5], [94.15, 8.25], [94.25, 8.0], [94.03, 7.47], [93.68, 7.32], [93.53, 6.97], [93.0, 6.75], [92.47, 6.97], [92.32, 7.32], [91.97, 7.47], [91.82, 7.82], [91.47, 7.97], [91.32, 8.32], [91.25, 8.35], [91.0, 8.25], [90.75, 8.35], [90.5, 8.25], [89.97, 8.47], [89.82, 8.82], [89.75, 8.85], [89.5, 8.75], [88.97, 8.97], [88.75, 9.5], [88.97, 10.03], [89.38, 10.2], [89.25, 10.5], [89.47, 11.03]], [[92.38, 9.3], [92.25, 9.35], [92.18, 9.32], [92.15, 9.25], [92.18, 9.18], [92.25, 9.15], [92.32, 9.18], [92.38, 9.3]]]]}, "2020-12-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[89.47, 11.03], [89.82, 11.18], [89.85, 11.25], [89.75, 11.5], [89.97, 12.03], [90.5, 12.25], [90.75, 12.15], [91.0, 12.25], [91.25, 12.15], [91.5, 12.25], [92.03, 12.03], [92.18, 11.68], [92.53, 11.53], [92.68, 11.18], [92.75, 11.15], [93.0, 11.25], [93.53, 11.03], [93.75, 10.5], [93.65, 10.25], [93.75, 10.0], [93.63, 9.7], [94.03, 9.53], [94.25, 9.0], [94.15, 8.75], [94.25, 8.5], [94.15, 8.25], [94.25, 8.0], [94.03, 7.47], [93.68, 7.32], [93.53, 6.97], [93.0, 6.75], [92.47, 6.97], [92.32, 7.32], [91.97, 7.47], [91.82, 7.82], [91.47, 7.97], [91.32, 8.32], [91.25, 8.35], [91.0, 8.25], [90.75, 8.35], [90.5, 8.25], [89.97, 8.47], [89.82, 8.82], [89.75, 8.85], [89.5, 8.75], [88.97, 8.97], [88.75, 9.5], [88.97, 10.03], [89.38, 10.2], [89.25, 10.5], [89.47, 11.03]], [[92.38, 9.3], [92.25, 9.35], [92.18, 9.32], [92.15, 9.25], [92.18, 9.18], [92.25, 9.15], [92.32, 9.18], [92.38, 9.3]]]]}, "2020-12-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[89.47, 11.03], [89.82, 11.18], [89.85, 11.25], [89.75, 11.5], [89.97, 12.03], [90.5, 12.25], [90.75, 12.15], 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[93.0, 9.25], [92.75, 9.35], [92.5, 9.25], [91.97, 9.47]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.3584150357474414}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 0.9311533023782124}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.692476063435322, 27.56448493544741, 27.681899383206485, 27.608144212898537]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.868398276782045, 27.74945464878607, 28.10768174081653, 27.6669726988693]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.9735864841570259, 0.8549262627454168, 0.97378098250555, 0.7677275903211296]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.0988148440036412, 0.9664316134872024, 1.3584150357474414, 0.8014169488176321]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6001115990731194, 1.4115587738843833, 1.6334674790632957, 1.319539563386267]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7981817182217248, 1.582287116821936, 2.2084541659569688, 1.3591295437738546]}}