{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:08:32.517611", "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": "2017-Jul-13_to_2017-Jul-17_77.5_32.5"}, "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": 2017070002093}, "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": "July 13 2017"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 17 2017"}, "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": 52143.85452392136}, "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": ["China", "India"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["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": 32.5}, "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": 77.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "77.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 74.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 80.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 30.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 34.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2017-07-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[76.97, 31.97], [76.75, 32.5], [76.97, 33.03], [77.5, 33.25], 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31.96], [76.5, 31.75], [75.97, 31.97], [75.82, 32.32], [75.47, 32.47], [75.25, 33.0], [75.35, 33.25], [75.32, 33.32], [74.97, 33.47], [74.82, 33.82], [74.47, 33.97], [74.25, 34.5]]]]}, "2017-07-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[74.25, 34.5], [74.47, 35.03], [75.0, 35.25], [75.25, 35.15], [75.5, 35.25], [76.03, 35.03], [76.18, 34.68], [76.53, 34.53], [76.75, 34.0], [76.65, 33.75], [76.68, 33.68], [77.03, 33.53], [77.18, 33.18], [77.25, 33.15], [77.5, 33.25], [77.75, 33.15], [78.0, 33.25], [78.25, 33.15], [78.5, 33.25], [79.03, 33.03], [79.25, 32.5], [79.15, 32.25], [79.2, 32.13], [79.5, 32.25], [80.03, 32.03], [80.18, 31.68], [80.53, 31.53], [80.75, 31.0], [80.53, 30.47], [80.0, 30.25], [79.75, 30.35], [79.5, 30.25], [79.25, 30.35], [79.0, 30.25], [78.75, 30.35], [78.5, 30.25], [77.97, 30.47], [77.82, 30.82], [77.47, 30.97], [77.25, 31.5], [77.38, 31.8], [77.25, 31.85], [77.0, 31.75], [76.75, 31.85], [76.5, 31.75], [75.97, 31.97], [75.82, 32.32], 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33.82], [74.47, 33.97], [74.25, 34.5]]]]}, "2017-07-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[74.75, 34.0], [74.97, 34.53], [75.5, 34.75], [75.75, 34.65], [76.0, 34.75], [76.53, 34.53], [76.75, 34.0], [76.65, 33.75], [76.68, 33.68], [77.03, 33.53], [77.18, 33.18], [77.25, 33.15], [77.5, 33.25], [77.75, 33.15], [78.0, 33.25], [78.25, 33.15], [78.5, 33.25], [79.03, 33.03], [79.25, 32.5], [79.15, 32.25], [79.2, 32.13], [79.5, 32.25], [80.03, 32.03], [80.25, 31.5], [80.03, 30.97], [79.5, 30.75], [79.0, 30.96], [78.5, 30.75], [78.25, 30.85], [78.0, 30.75], [77.47, 30.97], [77.25, 31.5], [77.38, 31.8], [77.25, 31.85], [77.0, 31.75], [76.75, 31.85], [76.5, 31.75], [75.97, 31.97], [75.75, 32.5], [75.85, 32.75], [75.82, 32.82], [75.47, 32.97], [75.32, 33.32], [74.97, 33.47], [74.75, 34.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.240453538522729}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.4954426092770103}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [8.509882635687518, 11.411288918739103, 11.246268789613168, 11.11774007452334, 10.760517230032235]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [11.213012439431509, 18.046628877363844, 18.56212753761497, 18.58450029722127, 15.241539006579558]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.248178035561594, 2.128350409327671, 2.7774204849223225, 2.558750604502279, 2.468752753270503]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.299604365906646, 3.3108664548344677, 4.240453538522729, 3.5025090277067648, 3.2444443329587784]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3028278115239043, 1.3241712834022727, 1.6010087246623776, 1.5012101998881877, 1.4136934408750224]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.563570727428265, 1.4800560444303366, 1.9752941957491594, 2.107939478744406, 1.7436005937749472]}}