{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:59:02.246961", "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": "2024-May-16_to_2024-May-20_83.5_28.0"}, "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": 2024050001686}, "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 16 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 20 2024"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 114958.05339486725}, "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", "Nepal"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Asia", "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": 28.0}, "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": 83.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "83.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 76.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 83.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 27.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 33.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[83.5, 28.75], [84.03, 28.53], [84.25, 28.0], [84.03, 27.47], [83.5, 27.25], [83.25, 27.35], [83.18, 27.32], [83.03, 26.97], [82.5, 26.75], [82.25, 26.85], [82.18, 26.82], [82.03, 26.47], [81.5, 26.25], [80.97, 26.47], [80.75, 27.0], [80.85, 27.25], [80.75, 27.5], [80.93, 27.93], [80.5, 27.75], [79.97, 27.97], [79.75, 28.5], [79.85, 28.75], [79.82, 28.82], [79.75, 28.85], [79.5, 28.75], [78.97, 28.97], [78.82, 29.32], [78.75, 29.35], [78.5, 29.25], [77.97, 29.47], [77.82, 29.82], [77.7, 29.88], [77.53, 29.47], [77.18, 29.32], [77.03, 28.97], [76.5, 28.75], [75.97, 28.97], [75.75, 29.5], [75.85, 29.75], [75.75, 30.0], [75.85, 30.25], [75.82, 30.32], [75.47, 30.47], [75.25, 31.0], [75.35, 31.25], [75.25, 31.5], [75.35, 31.75], [75.25, 32.0], [75.35, 32.25], [75.25, 32.5], [75.35, 32.75], [75.25, 33.0], [75.47, 33.53], [76.0, 33.75], [76.25, 33.65], [76.5, 33.75], [77.03, 33.53], [77.25, 33.0], [77.15, 32.75], [77.18, 32.68], [77.25, 32.65], [77.5, 32.75], [78.03, 32.53], [78.25, 32.0], [78.15, 31.75], [78.25, 31.5], [78.15, 31.25], [78.18, 31.18], [78.25, 31.15], [78.5, 31.25], [78.75, 31.15], [79.0, 31.25], [79.53, 31.03], [79.68, 30.68], [80.0, 30.54], [80.5, 30.75], [81.03, 30.53], [81.25, 30.0], [81.15, 29.75], [81.18, 29.68], [81.25, 29.65], [81.5, 29.75], [82.03, 29.53], [82.18, 29.18], [82.25, 29.15], [82.5, 29.25], [83.03, 29.03], [83.18, 28.68], [83.25, 28.65], [83.5, 28.75]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Tibetan-Plateau", "S.Asia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-05-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[82.47, 27.47], [82.25, 28.0], [82.47, 28.53], [83.0, 28.75], [83.25, 28.65], [83.5, 28.75], [84.03, 28.53], [84.25, 28.0], [84.03, 27.47], [83.5, 27.25], [83.25, 27.35], [83.0, 27.25], [82.47, 27.47]]], [[[76.0, 32.25], [75.47, 32.47], [75.25, 33.0], [75.47, 33.53], [76.0, 33.75], [76.53, 33.53], [76.75, 33.0], [76.53, 32.47], [76.0, 32.25]]]]}, "2024-05-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[75.25, 32.0], [75.35, 32.25], [75.25, 32.5], [75.35, 32.75], [75.25, 33.0], [75.47, 33.53], [76.0, 33.75], [76.25, 33.65], [76.5, 33.75], [77.03, 33.53], [77.25, 33.0], [77.15, 32.75], [77.18, 32.68], [77.25, 32.65], [77.5, 32.75], [78.03, 32.53], [78.25, 32.0], [78.15, 31.75], [78.25, 31.5], [78.15, 31.25], [78.18, 31.18], [78.25, 31.15], [78.5, 31.25], [78.75, 31.15], [79.0, 31.25], [79.53, 31.03], [79.68, 30.68], [80.0, 30.54], [80.5, 30.75], [81.03, 30.53], [81.25, 30.0], [81.15, 29.75], [81.18, 29.68], [81.25, 29.65], [81.5, 29.75], [82.03, 29.53], [82.18, 29.18], [82.25, 29.15], [82.5, 29.25], [83.03, 29.03], [83.18, 28.68], [83.25, 28.65], [83.5, 28.75], [84.03, 28.53], [84.25, 28.0], [84.03, 27.47], [83.5, 27.25], [83.25, 27.35], [83.18, 27.32], [83.03, 26.97], [82.5, 26.75], [82.25, 26.85], [82.18, 26.82], [82.03, 26.47], [81.5, 26.25], [80.97, 26.47], [80.75, 27.0], [80.85, 27.25], [80.75, 27.5], [80.93, 27.93], [80.5, 27.75], [79.97, 27.97], [79.75, 28.5], [79.85, 28.75], [79.82, 28.82], [79.75, 28.85], [79.5, 28.75], [78.97, 28.97], [78.82, 29.32], [78.75, 29.35], [78.5, 29.25], [77.97, 29.47], [77.82, 29.82], [77.7, 29.88], [77.53, 29.47], [77.18, 29.32], [77.03, 28.97], [76.5, 28.75], [75.97, 28.97], [75.75, 29.5], [75.85, 29.75], [75.75, 30.0], [75.85, 30.25], [75.75, 30.5], [75.85, 30.75], [75.82, 30.82], [75.47, 30.97], [75.25, 31.5], [75.35, 31.75], [75.25, 32.0]]]]}, "2024-05-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[75.25, 31.5], [75.35, 31.75], [75.25, 32.0], [75.35, 32.25], [75.25, 32.5], [75.35, 32.75], [75.25, 33.0], [75.47, 33.53], [76.0, 33.75], [76.25, 33.65], [76.5, 33.75], [77.03, 33.53], [77.25, 33.0], [77.15, 32.75], [77.18, 32.68], [77.25, 32.65], [77.5, 32.75], [78.03, 32.53], [78.25, 32.0], [78.15, 31.75], [78.25, 31.5], [78.15, 31.25], [78.18, 31.18], [78.25, 31.15], [78.5, 31.25], [78.75, 31.15], [79.0, 31.25], [79.53, 31.03], [79.68, 30.68], [80.0, 30.54], [80.5, 30.75], [81.03, 30.53], [81.25, 30.0], [81.15, 29.75], [81.18, 29.68], [81.25, 29.65], [81.5, 29.75], [82.03, 29.53], [82.18, 29.18], [82.25, 29.15], [82.5, 29.25], [83.03, 29.03], [83.18, 28.68], [83.25, 28.65], [83.5, 28.75], [84.03, 28.53], [84.25, 28.0], [84.03, 27.47], [83.5, 27.25], [83.25, 27.35], [83.18, 27.32], [83.03, 26.97], [82.5, 26.75], [82.25, 26.85], [82.18, 26.82], [82.03, 26.47], [81.5, 26.25], [80.97, 26.47], [80.75, 27.0], [80.85, 27.25], [80.75, 27.5], [80.93, 27.93], [80.5, 27.75], [79.97, 27.97], [79.75, 28.5], [79.85, 28.75], [79.82, 28.82], [79.75, 28.85], [79.5, 28.75], [78.97, 28.97], [78.82, 29.32], [78.75, 29.35], [78.5, 29.25], [77.97, 29.47], [77.82, 29.82], [77.7, 29.88], [77.53, 29.47], [77.18, 29.32], [77.03, 28.97], [76.5, 28.75], [75.97, 28.97], [75.75, 29.5], [75.85, 29.75], [75.75, 30.0], [75.85, 30.25], [75.82, 30.32], [75.47, 30.47], [75.25, 31.0], [75.35, 31.25], [75.25, 31.5]]]]}, "2024-05-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[75.25, 31.5], [75.35, 31.75], [75.25, 32.0], [75.35, 32.25], [75.25, 32.5], [75.47, 33.03], [75.82, 33.18], [75.97, 33.53], [76.5, 33.75], [77.03, 33.53], [77.25, 33.0], [77.15, 32.75], [77.18, 32.68], [77.25, 32.65], [77.5, 32.75], [78.03, 32.53], [78.25, 32.0], [78.15, 31.75], [78.25, 31.5], [78.15, 31.25], [78.18, 31.18], [78.25, 31.15], [78.5, 31.25], [78.75, 31.15], [79.0, 31.25], [79.53, 31.03], [79.68, 30.68], [80.0, 30.54], [80.5, 30.75], [81.03, 30.53], [81.25, 30.0], [81.15, 29.75], [81.18, 29.68], [81.25, 29.65], [81.5, 29.75], [82.03, 29.53], [82.18, 29.18], [82.25, 29.15], [82.5, 29.25], [83.03, 29.03], [83.25, 28.5], [83.04, 28.0], [83.25, 27.5], [83.03, 26.97], [82.5, 26.75], [82.25, 26.85], [82.18, 26.82], [82.03, 26.47], [81.5, 26.25], [80.97, 26.47], [80.75, 27.0], [80.85, 27.25], [80.75, 27.5], [80.93, 27.93], [80.5, 27.75], [79.97, 27.97], [79.75, 28.5], [79.85, 28.75], [79.82, 28.82], [79.75, 28.85], [79.5, 28.75], [78.97, 28.97], [78.82, 29.32], [78.75, 29.35], [78.5, 29.25], [77.97, 29.47], [77.82, 29.82], [77.7, 29.88], [77.53, 29.47], [77.18, 29.32], [77.03, 28.97], [76.5, 28.75], [75.97, 28.97], [75.75, 29.5], [75.85, 29.75], [75.75, 30.0], [75.85, 30.25], [75.82, 30.32], [75.47, 30.47], [75.25, 31.0], [75.35, 31.25], [75.25, 31.5]]]]}, "2024-05-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[75.47, 31.53], [76.0, 31.75], [76.53, 31.53], [76.75, 31.0], [76.53, 30.47], [76.0, 30.25], [75.47, 30.47], [75.25, 31.0], [75.47, 31.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.525920337151376}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.1892783632607133}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [21.464459517603643, 25.896497493010713, 26.802653856489258, 26.85312601328326, 35.39502302050494]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.16474285077129, 36.00241400380912, 36.807299720474646, 36.784899257041616, 35.39502302050494]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.6975946340062933, 2.9165346949738087, 3.5238908506024913, 3.154855524253006, 3.1081402236858366]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.4106253549391568, 3.6175281931880363, 4.525920337151376, 3.9685734736960967, 3.1081402236858366]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4923111009226695, 1.5015449289234792, 1.7682730761118983, 1.5357370860023587, 1.3109417595181991]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6694303252260094, 2.19262211559778, 2.186355950129798, 1.982623195973654, 1.3109417595181991]}}