{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:10:28.930922", "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": "2018-Mar-09_to_2018-Mar-15_79.5_26.0"}, "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": 2018030001867}, "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": "March 09 2018"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 15 2018"}, "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": 166385.96605178877}, "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", "Tibetan-Plateau"]}, "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": 26.0}, "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": 79.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "79.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 77.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 83.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 23.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 29.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2018-03-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[77.25, 26.5], [77.47, 27.03], [78.0, 27.25], [78.53, 27.03], [78.68, 26.68], [78.75, 26.65], [79.0, 26.75], [79.25, 26.65], [79.5, 26.75], [80.03, 26.53], [80.25, 26.0], [80.03, 25.47], [79.5, 25.25], [79.25, 25.35], [79.0, 25.25], [78.75, 25.35], [78.5, 25.25], [77.97, 25.47], [77.82, 25.82], [77.47, 25.97], [77.25, 26.5]]]]}, "2018-03-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[77.25, 26.5], [77.47, 27.03], [78.0, 27.25], [78.53, 27.03], [78.68, 26.68], [78.75, 26.65], [79.0, 26.75], [79.25, 26.65], [79.5, 26.75], [80.03, 26.53], [80.18, 26.18], [80.53, 26.03], [80.75, 25.5], [80.53, 24.97], [80.0, 24.75], [79.75, 24.85], [79.5, 24.75], [79.25, 24.85], [79.0, 24.75], [78.75, 24.85], [78.5, 24.75], [78.25, 24.85], [78.0, 24.75], [77.47, 24.97], [77.25, 25.5], [77.35, 25.75], [77.25, 26.0], [77.35, 26.25], [77.25, 26.5]]], [[[81.25, 26.0], [81.47, 26.53], [82.0, 26.75], [82.53, 26.53], [82.75, 26.0], [82.53, 25.47], [82.0, 25.25], [81.47, 25.47], [81.25, 26.0]]], [[[79.75, 27.5], [79.97, 28.03], [80.5, 28.25], [81.03, 28.03], [81.25, 27.5], [81.03, 26.97], [80.5, 26.75], [79.97, 26.97], [79.75, 27.5]]]]}, "2018-03-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[77.25, 26.5], [77.47, 27.03], [78.0, 27.25], [78.25, 27.15], [78.5, 27.25], [79.03, 27.03], [79.18, 26.68], [79.25, 26.65], [79.5, 26.75], [79.75, 26.65], [80.0, 26.75], [80.53, 26.53], [80.68, 26.18], [81.03, 26.03], [81.18, 25.68], [81.43, 25.57], [81.25, 26.0], [81.47, 26.53], [82.0, 26.75], [82.53, 26.53], [82.75, 26.0], [82.53, 25.47], [82.0, 25.25], [82.53, 25.03], [82.75, 24.5], [82.53, 23.97], [82.0, 23.75], [81.75, 23.85], [81.5, 23.75], [81.25, 23.85], [81.18, 23.82], [81.03, 23.47], [80.5, 23.25], [79.97, 23.47], [79.82, 23.82], [79.75, 23.85], [79.5, 23.75], [79.25, 23.85], [79.0, 23.75], [78.47, 23.97], [78.25, 24.5], [78.38, 24.8], [78.25, 24.85], [78.0, 24.75], [77.47, 24.97], [77.25, 25.5], [77.35, 25.75], [77.25, 26.0], [77.35, 26.25], [77.25, 26.5]], [[81.57, 25.43], [81.68, 25.18], [81.75, 25.15], [82.0, 25.25], [81.57, 25.43]]], [[[79.97, 26.97], [79.75, 27.5], [79.97, 28.03], [80.5, 28.25], [81.03, 28.03], [81.25, 27.5], [81.03, 26.97], [80.5, 26.75], [79.97, 26.97]]]]}, "2018-03-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[76.75, 27.0], [76.97, 27.53], [77.5, 27.75], [78.03, 27.53], [78.18, 27.18], [78.25, 27.15], [78.5, 27.25], [79.03, 27.03], [79.18, 26.68], [79.25, 26.65], [79.5, 26.75], [79.75, 26.65], [79.88, 26.7], [79.82, 26.82], [79.47, 26.97], [79.32, 27.32], [79.25, 27.35], [79.0, 27.25], [78.47, 27.47], [78.25, 28.0], [78.35, 28.25], [78.25, 28.5], [78.47, 29.03], [78.82, 29.18], [78.97, 29.53], [79.5, 29.75], [80.03, 29.53], [80.18, 29.18], [80.53, 29.03], [80.68, 28.68], [81.03, 28.53], [81.18, 28.18], [81.53, 28.03], [81.68, 27.68], [82.03, 27.53], [82.18, 27.18], [82.25, 27.15], [82.5, 27.25], [83.03, 27.03], [83.18, 26.68], [83.53, 26.53], [83.75, 26.0], [83.53, 25.47], [83.0, 25.25], [82.75, 25.35], [82.5, 25.25], [82.25, 25.35], [82.0, 25.25], [82.53, 25.03], [82.75, 24.5], [82.53, 23.97], [82.0, 23.75], [81.75, 23.85], [81.5, 23.75], [81.25, 23.85], [81.18, 23.82], [81.03, 23.47], [80.5, 23.25], [79.97, 23.47], [79.82, 23.82], [79.75, 23.85], [79.5, 23.75], [79.25, 23.85], [79.0, 23.75], [78.47, 23.97], [78.32, 24.32], [77.97, 24.47], [77.82, 24.82], [77.47, 24.97], [77.25, 25.5], [77.35, 25.75], [77.25, 26.0], [77.35, 26.25], [77.32, 26.32], [76.97, 26.47], [76.75, 27.0]], [[81.75, 25.35], [81.63, 25.3], [81.68, 25.18], [81.75, 25.15], [82.0, 25.25], [81.75, 25.35]]]]}, "2018-03-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[76.75, 27.0], [76.97, 27.53], [77.5, 27.75], [78.03, 27.53], [78.18, 27.18], [78.25, 27.15], [78.5, 27.25], [78.75, 27.15], [78.82, 27.18], [78.88, 27.3], [78.47, 27.47], [78.25, 28.0], [78.35, 28.25], [78.25, 28.5], [78.47, 29.03], [78.82, 29.18], [78.97, 29.53], [79.5, 29.75], [80.03, 29.53], [80.18, 29.18], [80.53, 29.03], [80.68, 28.68], [81.03, 28.53], [81.18, 28.18], [81.53, 28.03], [81.68, 27.68], [82.03, 27.53], [82.18, 27.18], [82.25, 27.15], [82.5, 27.25], [83.03, 27.03], [83.18, 26.68], [83.53, 26.53], [83.75, 26.0], [83.53, 25.47], [83.0, 25.25], [82.75, 25.35], [82.5, 25.25], [82.25, 25.35], [82.18, 25.32], [82.13, 25.2], [82.53, 25.03], [82.75, 24.5], [82.53, 23.97], [82.0, 23.75], [81.75, 23.85], [81.5, 23.75], [81.25, 23.85], [81.18, 23.82], [81.03, 23.47], [80.5, 23.25], [79.97, 23.47], [79.82, 23.82], [79.75, 23.85], [79.5, 23.75], [79.25, 23.85], [79.0, 23.75], [78.47, 23.97], [78.32, 24.32], [77.97, 24.47], [77.82, 24.82], [77.47, 24.97], [77.25, 25.5], [77.35, 25.75], [77.25, 26.0], [77.35, 26.25], [77.32, 26.32], [76.97, 26.47], [76.75, 27.0]]]]}, "2018-03-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[76.75, 27.0], [76.97, 27.53], [77.5, 27.75], [78.03, 27.53], [78.18, 27.18], [78.25, 27.15], [78.5, 27.25], [78.75, 27.15], [78.82, 27.18], [78.88, 27.3], [78.47, 27.47], [78.25, 28.0], [78.35, 28.25], [78.25, 28.5], [78.47, 29.03], [78.82, 29.18], [78.97, 29.53], [79.5, 29.75], [80.03, 29.53], [80.18, 29.18], [80.53, 29.03], [80.68, 28.68], [81.03, 28.53], [81.18, 28.18], [81.53, 28.03], [81.68, 27.68], [82.03, 27.53], [82.18, 27.18], [82.25, 27.15], [82.5, 27.25], [83.03, 27.03], [83.18, 26.68], [83.53, 26.53], [83.75, 26.0], [83.53, 25.47], [83.0, 25.25], [82.75, 25.35], [82.5, 25.25], [82.25, 25.35], [82.18, 25.32], [82.13, 25.2], [82.53, 25.03], [82.75, 24.5], [82.53, 23.97], [82.0, 23.75], [81.75, 23.85], [81.5, 23.75], [81.25, 23.85], [81.18, 23.82], [81.03, 23.47], [80.5, 23.25], [79.97, 23.47], [79.82, 23.82], [79.75, 23.85], [79.5, 23.75], [79.25, 23.85], [79.0, 23.75], [78.47, 23.97], [78.32, 24.32], [77.97, 24.47], [77.82, 24.82], [77.47, 24.97], [77.25, 25.5], [77.35, 25.75], [77.25, 26.0], [77.35, 26.25], [77.32, 26.32], [76.97, 26.47], [76.75, 27.0]]]]}, "2018-03-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[77.75, 26.5], [77.97, 27.03], [78.5, 27.25], [78.75, 27.15], [78.82, 27.18], [78.97, 27.53], [79.5, 27.75], [79.75, 27.65], [79.82, 27.68], [79.97, 28.03], [80.5, 28.25], [81.03, 28.03], [81.18, 27.68], [81.53, 27.53], [81.68, 27.18], [81.75, 27.15], [82.0, 27.25], [82.53, 27.03], [82.75, 26.5], [82.65, 26.25], [82.75, 26.0], [82.53, 25.47], [82.18, 25.32], [82.03, 24.97], [81.5, 24.75], [81.25, 24.85], [81.0, 24.75], [80.75, 24.85], [80.5, 24.75], [80.25, 24.85], [80.0, 24.75], [79.75, 24.85], [79.5, 24.75], [79.25, 24.85], [79.0, 24.75], [78.75, 24.85], [78.5, 24.75], [78.25, 24.85], [78.0, 24.75], [77.47, 24.97], [77.25, 25.5], [77.47, 26.03], [77.82, 26.18], [77.85, 26.25], [77.75, 26.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 5.690660145596496}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.4556356246376043}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.86676902797973, 26.217468962275575, 26.727872798733586, 26.2424809549791, 26.82359725648911, 27.769227949425613, 27.247671071401214]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.34660240614454, 26.962371968274965, 27.529389548197912, 27.571237965041576, 28.588980075358734, 29.81347329270187, 28.53809296984292]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.997174910986587, 3.0043165971664934, 3.1875957772518335, 3.0044366352319885, 3.4535899506970567, 4.161451440453209, 3.2741048424336245]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.395266036326916, 3.6218293903187373, 3.9519181776219625, 3.653504954376615, 4.849495121972154, 5.690660145596496, 4.151476994482039]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4881164866720447, 1.4710559241842425, 1.5513133792718827, 1.4597842881893128, 1.6364998862222027, 1.9783714466873998, 1.583089905549842]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.64339778685165, 1.7466002317147133, 1.8620464667059673, 1.7394142866733946, 2.1250516728720985, 2.6708325970392437, 2.0747334315545896]}}