{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:03:05.537853", "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": "2015-May-22_to_2015-May-27_76.5_11.5"}, "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": 2015050002398}, "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": "May 22 2015"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 27 2015"}, "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": 54595.94424868833}, "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": ["Laccadive Sea"]}, "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": 11.5}, "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": 76.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "76.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 75.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 77.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 8.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 13.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2015-05-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[76.5, 12.25], [77.03, 12.03], [77.25, 11.5], [77.03, 10.97], [76.5, 10.75], [75.97, 10.97], [75.75, 11.5], [75.97, 12.03], [76.5, 12.25]]]]}, "2015-05-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[75.97, 10.97], [75.75, 11.5], [75.97, 12.03], [76.5, 12.25], [77.03, 12.03], [77.25, 11.5], [77.03, 10.97], [76.5, 10.75], [75.97, 10.97]]], [[[74.97, 12.47], [74.75, 13.0], [74.97, 13.53], [75.5, 13.75], [76.03, 13.53], [76.25, 13.0], [76.03, 12.47], [75.5, 12.25], [74.97, 12.47]]]]}, "2015-05-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[74.85, 12.25], [74.75, 12.5], [74.85, 12.75], [74.75, 13.0], [74.85, 13.25], [74.75, 13.5], [74.97, 14.03], [75.5, 14.25], [76.03, 14.03], [76.25, 13.5], [76.15, 13.25], [76.18, 13.18], [76.53, 13.03], [76.75, 12.5], [76.65, 12.25], [76.68, 12.18], [77.03, 12.03], [77.25, 11.5], [77.15, 11.25], [77.25, 11.0], [77.13, 10.7], [77.53, 10.53], [77.75, 10.0], [77.53, 9.47], [77.0, 9.25], [76.47, 9.47], [76.25, 10.0], [76.38, 10.3], [75.97, 10.47], [75.82, 10.82], [75.75, 10.85], [75.5, 10.75], [74.97, 10.97], [74.75, 11.5], [74.85, 11.75], [74.75, 12.0], [74.85, 12.25]]]]}, "2015-05-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[74.85, 12.25], [74.75, 12.5], [74.85, 12.75], [74.75, 13.0], [74.85, 13.25], [74.75, 13.5], [74.97, 14.03], [75.5, 14.25], [76.03, 14.03], [76.25, 13.5], [76.15, 13.25], [76.18, 13.18], [76.53, 13.03], [76.75, 12.5], [76.65, 12.25], [76.68, 12.18], [77.03, 12.03], [77.25, 11.5], [77.15, 11.25], [77.25, 11.0], [77.15, 10.75], [77.18, 10.68], [77.53, 10.53], [77.75, 10.0], [77.65, 9.75], [77.75, 9.5], [77.65, 9.25], [77.75, 9.0], [77.65, 8.75], [77.75, 8.5], [77.53, 7.97], [77.0, 7.75], [76.47, 7.97], [76.25, 8.5], [76.35, 8.75], [76.32, 8.82], [75.97, 8.97], [75.75, 9.5], [75.85, 9.75], [75.82, 9.82], [75.47, 9.97], [75.25, 10.5], [75.38, 10.8], [74.97, 10.97], [74.75, 11.5], [74.85, 11.75], [74.75, 12.0], [74.85, 12.25]]]]}, "2015-05-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[74.85, 12.25], [74.75, 12.5], [74.85, 12.75], [74.75, 13.0], [74.85, 13.25], [74.75, 13.5], [74.97, 14.03], [75.5, 14.25], [76.03, 14.03], [76.25, 13.5], [76.15, 13.25], [76.18, 13.18], [76.53, 13.03], [76.75, 12.5], [76.65, 12.25], [76.68, 12.18], [77.03, 12.03], [77.25, 11.5], [77.15, 11.25], [77.25, 11.0], [77.15, 10.75], [77.18, 10.68], [77.53, 10.53], [77.75, 10.0], [77.65, 9.75], [77.75, 9.5], [77.65, 9.25], [77.75, 9.0], [77.65, 8.75], [77.75, 8.5], [77.53, 7.97], [77.0, 7.75], [76.47, 7.97], [76.25, 8.5], [76.35, 8.75], [76.32, 8.82], [75.97, 8.97], [75.75, 9.5], [75.85, 9.75], [75.82, 9.82], [75.47, 9.97], [75.25, 10.5], [75.38, 10.8], [74.97, 10.97], [74.75, 11.5], [74.85, 11.75], [74.75, 12.0], [74.85, 12.25]]]]}, "2015-05-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[75.25, 10.5], [75.47, 11.03], [76.0, 11.25], [76.25, 11.15], [76.5, 11.25], [77.03, 11.03], [77.18, 10.68], [77.53, 10.53], [77.75, 10.0], [77.65, 9.75], [77.75, 9.5], [77.65, 9.25], [77.75, 9.0], [77.65, 8.75], [77.75, 8.5], [77.53, 7.97], [77.0, 7.75], [76.47, 7.97], [76.25, 8.5], [76.35, 8.75], [76.32, 8.82], [75.97, 8.97], [75.75, 9.5], [75.85, 9.75], [75.82, 9.82], [75.47, 9.97], [75.25, 10.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.441191814839442}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.6497038647151538}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [23.004990845394445, 24.61483224624658, 26.375475931417157, 27.257143525055596, 27.15881263838213, 27.730494434613206]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [23.004990845394445, 26.31809375118695, 29.014592058773985, 30.012695322863408, 29.530596527811724, 29.399361624972073]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.3382857243647663, 1.4164401426924371, 1.5414312404809711, 1.7129495916121806, 1.7018866209942114, 1.636107833940443]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.3382857243647663, 1.5665600788224765, 1.9435244200645911, 2.441191814839442, 2.092244627574189, 1.9357593883637492]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3278296235494815, 1.3395062785186214, 1.442635172335836, 1.5884999875482366, 1.5631625849942152, 1.5328039162596374]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.3278296235494815, 1.3928558091948209, 1.7295022484579194, 2.1030286770969258, 1.9900760253766532, 1.6720111255993206]}}