{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:02:20.905869", "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-Feb-03_to_2015-Feb-09_88.0_12.0"}, "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": 2015020001464}, "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 03 2015"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 09 2015"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 7}, "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": 250905.11026291276}, "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"]}, "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": ["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": 12.0}, "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": 88.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "88.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 87.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 93.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 11.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 19.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2015-02-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[87.97, 14.53], [88.5, 14.75], [88.75, 14.65], [88.82, 14.68], [88.97, 15.03], [89.32, 15.18], [89.47, 15.53], [89.82, 15.68], [89.97, 16.03], [90.32, 16.18], [90.47, 16.53], [90.82, 16.68], [90.97, 17.03], [91.5, 17.25], [91.75, 17.15], [91.82, 17.18], [91.85, 17.25], [91.75, 17.5], [91.85, 17.75], [91.75, 18.0], [91.85, 18.25], [91.75, 18.5], [91.97, 19.03], [92.5, 19.25], [93.03, 19.03], [93.25, 18.5], [93.15, 18.25], [93.25, 18.0], [93.15, 17.75], [93.18, 17.68], [93.53, 17.53], [93.75, 17.0], [93.54, 16.5], [93.75, 16.0], [93.65, 15.75], [93.75, 15.5], [93.65, 15.25], [93.75, 15.0], [93.65, 14.75], [93.75, 14.5], [93.53, 13.97], [93.18, 13.82], [93.03, 13.47], [92.68, 13.32], [92.65, 13.25], [92.75, 13.0], [92.53, 12.47], [92.0, 12.25], [91.75, 12.35], [91.5, 12.25], [91.25, 12.35], [91.0, 12.25], [90.75, 12.35], [90.68, 12.32], [90.53, 11.97], [90.0, 11.75], [89.75, 11.85], [89.5, 11.75], [89.25, 11.85], [89.0, 11.75], [88.75, 11.85], [88.5, 11.75], [87.97, 11.97], [87.75, 12.5], [87.96, 13.0], [87.75, 13.5], [87.85, 13.75], [87.75, 14.0], [87.97, 14.53]]]]}, "2015-02-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[87.75, 13.5], [87.85, 13.75], [87.75, 14.0], [87.97, 14.53], [88.5, 14.75], [88.75, 14.65], [88.82, 14.68], [88.97, 15.03], [89.32, 15.18], [89.47, 15.53], [89.82, 15.68], [89.97, 16.03], [90.32, 16.18], [90.47, 16.53], [90.82, 16.68], [90.85, 16.75], [90.82, 16.82], [90.47, 16.97], [90.25, 17.5], [90.47, 18.03], [90.82, 18.18], [90.97, 18.53], [91.32, 18.68], [91.47, 19.03], [91.82, 19.18], [91.97, 19.53], [92.5, 19.75], [93.03, 19.53], [93.18, 19.18], [93.53, 19.03], [93.75, 18.5], [93.65, 18.25], [93.75, 18.0], [93.65, 17.75], [93.75, 17.5], [93.65, 17.25], [93.75, 17.0], [93.54, 16.5], [93.75, 16.0], [93.65, 15.75], [93.75, 15.5], [93.65, 15.25], [93.75, 15.0], [93.65, 14.75], [93.75, 14.5], [93.54, 14.0], [93.75, 13.5], [93.53, 12.97], [93.0, 12.75], [92.7, 12.87], [92.53, 12.47], [92.0, 12.25], [91.75, 12.35], [91.5, 12.25], [91.25, 12.35], [91.0, 12.25], [90.75, 12.35], [90.68, 12.32], [90.53, 11.97], [90.18, 11.82], [90.03, 11.47], [89.5, 11.25], [89.25, 11.35], [89.0, 11.25], [88.75, 11.35], [88.5, 11.25], [88.25, 11.35], [88.0, 11.25], [87.47, 11.47], [87.25, 12.0], [87.47, 12.53], [87.82, 12.68], [87.96, 13.0], [87.75, 13.5]]]]}, "2015-02-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[86.97, 12.53], [87.32, 12.68], [87.47, 13.03], [87.82, 13.18], [87.85, 13.25], [87.75, 13.5], [87.85, 13.75], [87.75, 14.0], [87.97, 14.53], [88.5, 14.75], [88.75, 14.65], [88.82, 14.68], [88.97, 15.03], [89.32, 15.18], [89.47, 15.53], [89.82, 15.68], [89.97, 16.03], [90.32, 16.18], [90.47, 16.53], [90.82, 16.68], [90.85, 16.75], [90.82, 16.82], [90.47, 16.97], [90.25, 17.5], [90.47, 18.03], [90.82, 18.18], [90.97, 18.53], [91.32, 18.68], [91.47, 19.03], [91.82, 19.18], [91.97, 19.53], [92.5, 19.75], [93.03, 19.53], [93.18, 19.18], [93.53, 19.03], [93.75, 18.5], [93.65, 18.25], [93.75, 18.0], [93.65, 17.75], [93.75, 17.5], [93.65, 17.25], [93.75, 17.0], [93.54, 16.5], [93.75, 16.0], [93.65, 15.75], [93.75, 15.5], [93.65, 15.25], [93.75, 15.0], [93.65, 14.75], [93.75, 14.5], [93.54, 14.0], [93.75, 13.5], [93.53, 12.97], [93.0, 12.75], [92.7, 12.87], [92.53, 12.47], [92.0, 12.25], [91.75, 12.35], [91.5, 12.25], [91.25, 12.35], [91.0, 12.25], [90.75, 12.35], [90.68, 12.32], [90.53, 11.97], [90.18, 11.82], [90.03, 11.47], [89.5, 11.25], [89.25, 11.35], [89.0, 11.25], [88.75, 11.35], [88.5, 11.25], [88.25, 11.35], [88.18, 11.32], [88.03, 10.97], [87.5, 10.75], [86.97, 10.97], [86.75, 11.5], [86.85, 11.75], [86.75, 12.0], [86.97, 12.53]]]]}, "2015-02-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[86.97, 12.53], [87.32, 12.68], [87.47, 13.03], [87.82, 13.18], [87.85, 13.25], [87.75, 13.5], [87.85, 13.75], [87.75, 14.0], [87.97, 14.53], [88.5, 14.75], [88.75, 14.65], [88.82, 14.68], [88.97, 15.03], [89.32, 15.18], [89.47, 15.53], [89.82, 15.68], [89.97, 16.03], [90.32, 16.18], [90.47, 16.53], [90.82, 16.68], [90.85, 16.75], [90.82, 16.82], [90.47, 16.97], [90.25, 17.5], [90.47, 18.03], [90.82, 18.18], [90.97, 18.53], [91.32, 18.68], [91.47, 19.03], [91.82, 19.18], [91.97, 19.53], [92.5, 19.75], [93.03, 19.53], [93.18, 19.18], [93.53, 19.03], [93.75, 18.5], [93.65, 18.25], [93.75, 18.0], [93.65, 17.75], [93.75, 17.5], [93.65, 17.25], [93.75, 17.0], [93.54, 16.5], [93.75, 16.0], [93.65, 15.75], [93.75, 15.5], [93.65, 15.25], [93.75, 15.0], [93.65, 14.75], [93.75, 14.5], [93.54, 14.0], [93.75, 13.5], [93.53, 12.97], [93.0, 12.75], [92.5, 12.96], [92.0, 12.75], [91.75, 12.85], [91.68, 12.82], [91.53, 12.47], [91.0, 12.25], [90.75, 12.35], [90.68, 12.32], [90.53, 11.97], [90.18, 11.82], [90.03, 11.47], [89.5, 11.25], [89.25, 11.35], [89.0, 11.25], [88.75, 11.35], [88.5, 11.25], [88.25, 11.35], [88.18, 11.32], [88.03, 10.97], [87.5, 10.75], [86.97, 10.97], [86.75, 11.5], [86.85, 11.75], [86.75, 12.0], [86.97, 12.53]]]]}, "2015-02-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[86.97, 12.53], [87.32, 12.68], [87.47, 13.03], [87.82, 13.18], [87.85, 13.25], [87.75, 13.5], [87.85, 13.75], [87.75, 14.0], [87.97, 14.53], [88.5, 14.75], [88.75, 14.65], [88.82, 14.68], [88.97, 15.03], [89.32, 15.18], [89.47, 15.53], [90.0, 15.75], [90.25, 15.65], [90.5, 15.75], [90.75, 15.65], [91.0, 15.75], [91.25, 15.65], [91.5, 15.75], [92.03, 15.53], [92.25, 15.0], [92.03, 14.47], [91.68, 14.32], [91.53, 13.97], [91.18, 13.82], [91.03, 13.47], [90.68, 13.32], [90.65, 13.25], [90.75, 13.0], [90.65, 12.75], [90.75, 12.5], [90.53, 11.97], [90.0, 11.75], [89.75, 11.85], [89.68, 11.82], [89.53, 11.47], [89.0, 11.25], [88.75, 11.35], [88.68, 11.32], [88.53, 10.97], [88.0, 10.75], [87.75, 10.85], [87.5, 10.75], [86.97, 10.97], [86.75, 11.5], [86.85, 11.75], [86.75, 12.0], [86.97, 12.53]]]]}, "2015-02-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[86.97, 12.53], [87.5, 12.75], [87.75, 12.65], [88.0, 12.75], [88.25, 12.65], [88.5, 12.75], [89.03, 12.53], [89.25, 12.0], [89.03, 11.47], [88.68, 11.32], [88.53, 10.97], [88.0, 10.75], [87.75, 10.85], [87.5, 10.75], [86.97, 10.97], [86.75, 11.5], [86.85, 11.75], [86.75, 12.0], [86.97, 12.53]]]]}, "2015-02-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[86.97, 12.53], [87.5, 12.75], [87.75, 12.65], [88.0, 12.75], [88.53, 12.53], [88.75, 12.0], [88.65, 11.75], [88.75, 11.5], [88.53, 10.97], [88.0, 10.75], [87.75, 10.85], [87.5, 10.75], [86.97, 10.97], [86.75, 11.5], [86.85, 11.75], [86.75, 12.0], [86.97, 12.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.691972324604592}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.0803889649468978}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.24952871256579, 26.162884298492486, 26.221713447322827, 26.374608894252503, 26.54046361452606, 26.81625006846781, 26.809204584787835]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.84084418823346, 26.959031033789188, 26.971834608724407, 26.93215759628771, 26.896560843995417, 26.95129260937773, 26.8671548312322]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.048098200824085, 1.0494574600108846, 1.062238858660761, 1.2227966494042728, 0.991273507237544, 0.7962073459101588, 0.7528028119830168]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.2416383269064681, 1.3097722796889002, 1.5093993705410185, 1.691972324604592, 1.1239846497091435, 0.8437598167890314, 0.7704244085390428]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4434471667074855, 1.4704678746894408, 1.5097098681603773, 1.7364893097921001, 1.517558627750978, 1.303805648510055, 1.2522861773949585]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5901990675880233, 1.682993331188398, 2.0857925818631884, 2.278881760390687, 1.6925837347791075, 1.3752112601860687, 1.2874385739835994]}}