{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:46:49.362064", "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": "2011-Feb-06_to_2011-Feb-15_82.0_22.5"}, "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": 2011020001770}, "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 06 2011"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 15 2011"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 10}, "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": 187202.15586285933}, "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": 22.5}, "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": 82.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "82.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 78.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 85.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 20.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 26.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2011-02-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[80.47, 21.97], [80.25, 22.5], [80.47, 23.03], [81.0, 23.25], [81.25, 23.15], [81.5, 23.25], [81.75, 23.15], [82.0, 23.25], [82.53, 23.03], [82.75, 22.5], [82.53, 21.97], [82.0, 21.75], [81.75, 21.85], [81.5, 21.75], [81.25, 21.85], [81.0, 21.75], [80.47, 21.97]]]]}, "2011-02-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[80.25, 22.5], [80.47, 23.03], [81.0, 23.25], [81.25, 23.15], [81.5, 23.25], [81.75, 23.15], [82.0, 23.25], [82.25, 23.15], [82.5, 23.25], [83.03, 23.03], [83.25, 22.5], [83.03, 21.97], [82.68, 21.82], [82.53, 21.47], [82.0, 21.25], [81.75, 21.35], [81.5, 21.25], [80.97, 21.47], [80.82, 21.82], [80.47, 21.97], [80.25, 22.5]]]]}, "2011-02-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[80.25, 22.5], [80.47, 23.03], [81.0, 23.25], [81.25, 23.15], [81.5, 23.25], [81.75, 23.15], [82.0, 23.25], [82.25, 23.15], [82.5, 23.25], [83.03, 23.03], [83.25, 22.5], [83.03, 21.97], [82.68, 21.82], [82.53, 21.47], [82.0, 21.25], [81.75, 21.35], [81.5, 21.25], [80.97, 21.47], [80.82, 21.82], [80.47, 21.97], [80.25, 22.5]]]]}, "2011-02-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[79.47, 23.03], [80.0, 23.25], [80.53, 23.03], [80.75, 22.5], [80.65, 22.25], [80.7, 22.13], [80.82, 22.18], [80.97, 22.53], [81.32, 22.68], [81.47, 23.03], [82.0, 23.25], [82.25, 23.15], [82.5, 23.25], [83.03, 23.03], [83.25, 22.5], [83.03, 21.97], [82.68, 21.82], [82.53, 21.47], [82.0, 21.25], [81.75, 21.35], [81.68, 21.32], [81.53, 20.97], [81.18, 20.82], [81.03, 20.47], [80.5, 20.25], [79.97, 20.47], [79.75, 21.0], [79.88, 21.3], [79.47, 21.47], [79.25, 22.0], [79.35, 22.25], [79.25, 22.5], [79.47, 23.03]]]]}, "2011-02-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[79.47, 23.03], [80.0, 23.25], [80.53, 23.03], [80.75, 22.5], [80.65, 22.25], [80.7, 22.13], [80.82, 22.18], [80.97, 22.53], [81.32, 22.68], [81.47, 23.03], [82.0, 23.25], [82.53, 23.03], [82.75, 22.5], [82.65, 22.25], [82.75, 22.0], [82.53, 21.47], [82.0, 21.25], [81.75, 21.35], [81.68, 21.32], [81.53, 20.97], [81.18, 20.82], [81.03, 20.47], [80.5, 20.25], [79.97, 20.47], [79.75, 21.0], [79.88, 21.3], [79.47, 21.47], [79.25, 22.0], [79.35, 22.25], [79.25, 22.5], [79.47, 23.03]]]]}, "2011-02-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[79.47, 23.03], [80.0, 23.25], [80.53, 23.03], [80.75, 22.5], [80.65, 22.25], [80.7, 22.13], [80.82, 22.18], [80.97, 22.53], [81.32, 22.68], [81.47, 23.03], [82.0, 23.25], [82.53, 23.03], [82.75, 22.5], [82.65, 22.25], [82.75, 22.0], [82.53, 21.47], [82.0, 21.25], [81.75, 21.35], [81.68, 21.32], [81.53, 20.97], [81.18, 20.82], [81.03, 20.47], [80.5, 20.25], [79.97, 20.47], [79.75, 21.0], [79.88, 21.3], [79.47, 21.47], [79.25, 22.0], [79.35, 22.25], [79.25, 22.5], [79.47, 23.03]]]]}, "2011-02-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[79.3, 23.13], [79.47, 23.53], [80.0, 23.75], [80.53, 23.53], [80.75, 23.0], [80.53, 22.47], [80.0, 22.25], [79.7, 22.38], [79.53, 21.97], [79.18, 21.82], [79.03, 21.47], [78.5, 21.25], [77.97, 21.47], [77.75, 22.0], [77.97, 22.53], [78.32, 22.68], [78.47, 23.03], [79.0, 23.25], [79.3, 23.13]]], [[[81.47, 24.53], [82.0, 24.75], [82.53, 24.53], [82.75, 24.0], [82.53, 23.47], [82.13, 23.3], [82.25, 23.0], [82.03, 22.47], [81.5, 22.25], [80.97, 22.47], [80.75, 23.0], [80.97, 23.53], [81.38, 23.7], [81.25, 24.0], [81.47, 24.53]]], [[[80.0, 25.25], [80.53, 25.03], [80.75, 24.5], [80.53, 23.97], [80.0, 23.75], [79.47, 23.97], [79.25, 24.5], [79.47, 25.03], [80.0, 25.25]]]]}, "2011-02-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[77.97, 23.03], [78.5, 23.25], [78.75, 23.15], [78.82, 23.18], [78.97, 23.53], [79.32, 23.68], [79.35, 23.75], [79.25, 24.0], [79.35, 24.25], [79.25, 24.5], [79.47, 25.03], [79.82, 25.18], [79.85, 25.25], [79.75, 25.5], [79.97, 26.03], [80.5, 26.25], [80.8, 26.13], [80.97, 26.53], [81.5, 26.75], [82.03, 26.53], [82.18, 26.18], [82.53, 26.03], [82.68, 25.68], [83.03, 25.53], [83.18, 25.18], [83.25, 25.15], [83.5, 25.25], [84.0, 25.04], [84.5, 25.25], [84.75, 25.15], [85.0, 25.25], [85.53, 25.03], [85.75, 24.5], [85.65, 24.25], [85.75, 24.0], [85.53, 23.47], [85.18, 23.32], [85.03, 22.97], [84.5, 22.75], [84.25, 22.85], [84.13, 22.8], [84.25, 22.5], [84.03, 21.97], [83.5, 21.75], [83.25, 21.85], [83.0, 21.75], [82.75, 21.85], [82.68, 21.82], [82.53, 21.47], [82.18, 21.32], [82.03, 20.97], [81.68, 20.82], [81.53, 20.47], [81.0, 20.25], [80.75, 20.35], [80.5, 20.25], [80.25, 20.35], [80.0, 20.25], [79.47, 20.47], [79.25, 21.0], [79.47, 21.53], [79.82, 21.68], [79.85, 21.75], [79.8, 21.88], [79.5, 21.75], [79.25, 21.85], [79.18, 21.82], [79.03, 21.47], [78.5, 21.25], [77.97, 21.47], [77.75, 22.0], [77.85, 22.25], [77.75, 22.5], [77.97, 23.03]]]]}, "2011-02-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[77.97, 23.03], [78.5, 23.25], [78.75, 23.15], [78.82, 23.18], [78.97, 23.53], [79.32, 23.68], [79.35, 23.75], [79.25, 24.0], [79.35, 24.25], [79.25, 24.5], [79.47, 25.03], [79.82, 25.18], [79.85, 25.25], [79.75, 25.5], [79.97, 26.03], [80.5, 26.25], [80.8, 26.13], [80.97, 26.53], [81.5, 26.75], [82.03, 26.53], [82.18, 26.18], [82.53, 26.03], [82.68, 25.68], [83.03, 25.53], [83.18, 25.18], [83.25, 25.15], [83.5, 25.25], [84.0, 25.04], [84.5, 25.25], [84.75, 25.15], [85.0, 25.25], [85.53, 25.03], [85.75, 24.5], [85.65, 24.25], [85.75, 24.0], [85.53, 23.47], [85.18, 23.32], [85.03, 22.97], [84.5, 22.75], [84.25, 22.85], [84.13, 22.8], [84.25, 22.5], [84.03, 21.97], [83.5, 21.75], [83.25, 21.85], [83.0, 21.75], [82.75, 21.85], [82.68, 21.82], [82.53, 21.47], [82.18, 21.32], [82.03, 20.97], [81.68, 20.82], [81.53, 20.47], [81.0, 20.25], [80.75, 20.35], [80.5, 20.25], [80.25, 20.35], [80.0, 20.25], [79.47, 20.47], [79.25, 21.0], [79.47, 21.53], [79.82, 21.68], [79.85, 21.75], [79.8, 21.88], [79.5, 21.75], [79.25, 21.85], [79.18, 21.82], [79.03, 21.47], [78.5, 21.25], [77.97, 21.47], [77.75, 22.0], [77.85, 22.25], [77.75, 22.5], [77.97, 23.03]]]]}, "2011-02-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[77.97, 23.03], [78.5, 23.25], [78.75, 23.15], [78.82, 23.18], [78.97, 23.53], [79.32, 23.68], [79.35, 23.75], [79.25, 24.0], [79.35, 24.25], [79.25, 24.5], [79.47, 25.03], [79.82, 25.18], [79.85, 25.25], [79.75, 25.5], [79.97, 26.03], [80.5, 26.25], [80.8, 26.13], [80.97, 26.53], [81.5, 26.75], [82.03, 26.53], [82.18, 26.18], [82.53, 26.03], [82.68, 25.68], [83.03, 25.53], [83.18, 25.18], [83.25, 25.15], [83.5, 25.25], [84.0, 25.04], [84.5, 25.25], [84.75, 25.15], [85.0, 25.25], [85.53, 25.03], [85.75, 24.5], [85.65, 24.25], [85.75, 24.0], [85.53, 23.47], [85.18, 23.32], [85.03, 22.97], [84.5, 22.75], [84.25, 22.85], [84.13, 22.8], [84.25, 22.5], [84.03, 21.97], [83.5, 21.75], [83.25, 21.85], [83.0, 21.75], [82.75, 21.85], [82.68, 21.82], [82.53, 21.47], [82.18, 21.32], [82.03, 20.97], [81.68, 20.82], [81.53, 20.47], [81.0, 20.25], [80.75, 20.35], [80.5, 20.25], [80.25, 20.35], [80.0, 20.25], [79.47, 20.47], [79.25, 21.0], [79.47, 21.53], [79.82, 21.68], [79.85, 21.75], [79.8, 21.88], [79.5, 21.75], [79.25, 21.85], [79.18, 21.82], [79.03, 21.47], [78.5, 21.25], [77.97, 21.47], [77.75, 22.0], [77.85, 22.25], [77.75, 22.5], [77.97, 23.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 5.938920614944607}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.9892287092879464}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [22.710050805988487, 24.05743617889533, 23.736650304451075, 24.487515226550045, 24.7174868521667, 24.79487122623658, 22.824102938255123, 23.866032298052403, 24.738839777116482, 24.596477200100082]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [23.643794950455856, 24.58344639378572, 25.06161183149186, 26.05214857347937, 25.832123408861037, 25.78618981660287, 23.79879639156536, 27.382789360272113, 27.26642425988473, 26.64316079386799]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.032791845354287, 3.4623796611093667, 3.0426889270065183, 2.910359119089506, 2.956415234882075, 2.894059714721201, 3.252031795889972, 3.878638482676636, 4.520681760170174, 4.188048057819293]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.3518773065229652, 5.286818460998347, 3.612396188230889, 3.2904860400851703, 3.203809109139229, 2.992782847569913, 3.610379876779632, 5.296139372870414, 5.723339302368743, 5.938920614944607]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.49367574667814, 1.6689172708742834, 1.411213911730963, 1.3424626445008243, 1.352261185600147, 1.3423516649393552, 1.385750613259594, 1.6967553726867848, 1.997284782222, 1.8713054414407788]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.66691162421219, 2.461162576886459, 1.6236083528009275, 1.5736161075347896, 1.462903651539682, 1.4436357103633533, 1.4776133277607384, 2.218656986440973, 2.4427084491557114, 2.6869828102368665]}}