{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:20:55.602072", "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": "2020-Jul-23_to_2020-Jul-31_70.5_33.0"}, "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": 2020070002808}, "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 23 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 31 2020"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 9}, "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": 125255.14803026253}, "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": ["Afghanistan", "Pakistan"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["W.C.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": 33.0}, "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": 70.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "70.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 68.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 73.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 29.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 35.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-07-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[69.47, 34.03], [70.0, 34.25], [70.25, 34.15], [70.5, 34.25], [71.03, 34.03], [71.18, 33.68], [71.53, 33.53], [71.75, 33.0], [71.53, 32.47], [71.0, 32.25], [70.5, 32.46], [70.0, 32.25], [69.47, 32.47], [69.25, 33.0], [69.35, 33.25], [69.25, 33.5], [69.47, 34.03]]]]}, "2020-07-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[69.47, 34.03], [70.0, 34.25], [70.25, 34.15], [70.5, 34.25], [71.03, 34.03], [71.18, 33.68], [71.53, 33.53], [71.75, 33.0], [71.53, 32.47], [71.0, 32.25], [70.75, 32.35], [70.5, 32.25], [70.25, 32.35], [70.0, 32.25], [69.47, 32.47], [69.25, 33.0], [69.35, 33.25], [69.25, 33.5], [69.47, 34.03]]]]}, "2020-07-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[69.47, 34.03], [70.0, 34.25], [70.25, 34.15], [70.5, 34.25], [71.03, 34.03], [71.18, 33.68], [71.53, 33.53], [71.75, 33.0], [71.53, 32.47], [71.0, 32.25], [70.75, 32.35], [70.5, 32.25], [70.25, 32.35], [70.0, 32.25], [69.47, 32.47], [69.25, 33.0], [69.35, 33.25], [69.25, 33.5], [69.47, 34.03]]]]}, "2020-07-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[70.32, 32.18], [70.38, 32.3], [69.97, 32.47], [69.75, 33.0], [69.85, 33.25], [69.75, 33.5], [69.97, 34.03], [70.5, 34.25], [71.03, 34.03], [71.18, 33.68], [71.25, 33.65], [71.5, 33.75], [72.03, 33.53], [72.25, 33.0], [72.15, 32.75], [72.25, 32.5], [72.15, 32.25], [72.25, 32.0], [72.15, 31.75], [72.25, 31.5], [72.15, 31.25], [72.25, 31.0], [72.03, 30.47], [71.5, 30.25], [71.0, 30.46], [70.5, 30.25], [69.97, 30.47], [69.75, 31.0], [69.85, 31.25], [69.75, 31.5], [69.97, 32.03], [70.32, 32.18]]], [[[73.25, 33.65], [73.5, 33.75], [74.03, 33.53], [74.25, 33.0], [74.03, 32.47], [73.5, 32.25], [73.25, 32.35], [73.0, 32.25], [72.47, 32.47], [72.25, 33.0], [72.47, 33.53], [73.0, 33.75], [73.25, 33.65]]]]}, "2020-07-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[68.25, 32.5], [68.47, 33.03], [68.82, 33.18], [68.97, 33.53], [69.32, 33.68], [69.38, 33.8], [68.97, 33.97], [68.75, 34.5], [68.97, 35.03], [69.5, 35.25], [70.03, 35.03], [70.25, 34.5], [70.13, 34.2], [70.25, 34.15], [70.32, 34.18], [70.47, 34.53], [71.0, 34.75], [71.25, 34.65], [71.5, 34.75], [72.0, 34.54], [72.5, 34.75], [73.03, 34.53], [73.25, 34.0], [73.13, 33.7], [73.25, 33.65], [73.5, 33.75], [74.03, 33.53], [74.25, 33.0], [74.03, 32.47], [73.5, 32.25], [73.25, 32.35], [73.18, 32.32], [73.04, 32.0], [73.25, 31.5], [73.15, 31.25], [73.25, 31.0], [73.03, 30.47], [72.5, 30.25], [72.25, 30.35], [72.18, 30.32], [72.03, 29.97], [71.5, 29.75], [71.25, 29.85], [71.18, 29.82], [71.03, 29.47], [70.5, 29.25], [69.97, 29.47], [69.75, 30.0], [69.85, 30.25], [69.75, 30.5], [69.85, 30.75], [69.82, 30.82], [69.47, 30.97], [69.32, 31.32], [68.97, 31.47], [68.82, 31.82], [68.47, 31.97], [68.25, 32.5]]]]}, "2020-07-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[68.25, 32.5], [68.47, 33.03], [68.82, 33.18], [68.97, 33.53], [69.32, 33.68], [69.35, 33.75], [69.32, 33.82], [68.97, 33.97], [68.75, 34.5], [68.97, 35.03], [69.32, 35.18], [69.47, 35.53], [70.0, 35.75], [70.53, 35.53], [70.75, 35.0], [70.57, 34.57], [71.0, 34.75], [71.25, 34.65], [71.5, 34.75], [72.0, 34.54], [72.5, 34.75], [73.03, 34.53], [73.25, 34.0], [73.13, 33.7], [73.25, 33.65], [73.5, 33.75], [74.03, 33.53], [74.25, 33.0], [74.03, 32.47], [73.5, 32.25], [73.25, 32.35], [73.18, 32.32], [73.04, 32.0], [73.25, 31.5], [73.15, 31.25], [73.25, 31.0], [73.03, 30.47], [72.5, 30.25], [72.25, 30.35], [72.18, 30.32], [72.03, 29.97], [71.5, 29.75], [71.25, 29.85], [71.18, 29.82], [71.03, 29.47], [70.5, 29.25], [69.97, 29.47], [69.75, 30.0], [69.85, 30.25], [69.75, 30.5], [69.85, 30.75], [69.82, 30.82], [69.47, 30.97], [69.32, 31.32], [68.97, 31.47], [68.82, 31.82], [68.47, 31.97], [68.25, 32.5]]]]}, "2020-07-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[68.25, 32.5], [68.47, 33.03], [68.82, 33.18], [68.97, 33.53], [69.32, 33.68], [69.35, 33.75], [69.32, 33.82], [68.97, 33.97], [68.75, 34.5], [68.97, 35.03], [69.32, 35.18], [69.47, 35.53], [70.0, 35.75], [70.53, 35.53], [70.75, 35.0], [70.57, 34.57], [71.0, 34.75], [71.25, 34.65], [71.5, 34.75], [72.0, 34.54], [72.5, 34.75], [73.03, 34.53], [73.25, 34.0], [73.04, 33.5], [73.25, 33.0], [73.15, 32.75], [73.25, 32.5], [73.04, 32.0], [73.25, 31.5], [73.15, 31.25], [73.25, 31.0], [73.03, 30.47], [72.5, 30.25], [72.25, 30.35], [72.18, 30.32], [72.03, 29.97], [71.5, 29.75], [71.25, 29.85], [71.18, 29.82], [71.03, 29.47], [70.5, 29.25], [69.97, 29.47], [69.75, 30.0], [69.85, 30.25], [69.75, 30.5], [69.85, 30.75], [69.82, 30.82], [69.47, 30.97], [69.32, 31.32], [68.97, 31.47], [68.82, 31.82], [68.47, 31.97], [68.25, 32.5]]]]}, "2020-07-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[69.25, 34.0], [69.46, 34.5], [69.25, 35.0], [69.47, 35.53], [70.0, 35.75], [70.53, 35.53], [70.75, 35.0], [70.54, 34.5], [70.68, 34.18], [71.03, 34.03], [71.25, 33.5], [71.15, 33.25], [71.25, 33.0], [71.03, 32.47], [70.5, 32.25], [70.25, 32.35], [70.0, 32.25], [69.75, 32.35], [69.5, 32.25], [68.97, 32.47], [68.75, 33.0], [68.97, 33.53], [69.32, 33.68], [69.35, 33.75], [69.25, 34.0]]]]}, "2020-07-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[69.5, 33.75], [70.03, 33.53], [70.25, 33.0], [70.03, 32.47], [69.5, 32.25], [68.97, 32.47], [68.75, 33.0], [68.97, 33.53], [69.5, 33.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 7.691370198305265}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.059661267771012}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [29.060461550432876, 30.24967708771885, 29.715174090718165, 34.36685183375897, 33.87165794751894, 34.082183267745904, 34.20255467419895, 26.270072898285832, 23.258047485957036]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [33.08291627764788, 34.22335712846797, 33.211377399924174, 37.27128939717841, 38.80260340637773, 39.05977902592508, 39.339673936657334, 32.94575594722261, 23.258047485957036]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.571637207815911, 3.1241734204167755, 2.634355197279876, 3.248699645665884, 3.8902898397414263, 4.530190630045891, 4.631002671015445, 2.6404802813753463, 2.027428461982538]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.918327655123221, 4.093817643918499, 3.3498268355365894, 4.172179250173713, 6.0862958594008205, 7.420850342860433, 7.691370198305265, 3.2804112784693302, 2.027428461982538]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4255967136162813, 1.6407605547855582, 1.4056201571754277, 1.4313245620674784, 1.8249256637014828, 2.1293453726106812, 2.197892320413656, 1.5203444523624665, 1.3468997385692372]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6582164571030766, 1.8424539249676883, 1.513847319508171, 1.7114252737297952, 2.79905770939291, 3.365365853823173, 3.4952315565467544, 1.7562942626864557, 1.3468997385692372]}}