{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:17:50.996025", "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-Aug-06_to_2018-Aug-11_79.5_45.5"}, "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": 2018080001803}, "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": "August 06 2018"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 11 2018"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 133112.28586876334}, "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": ["Kazakhstan"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["W.C.Asia", "W.Siberia"]}, "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": 45.5}, "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": 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": 70.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 82.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 44.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 48.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2018-08-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[78.0, 48.25], [78.53, 48.03], [78.75, 47.5], [78.65, 47.25], [78.75, 47.0], [78.63, 46.7], [79.0, 46.54], [79.32, 46.68], [79.47, 47.03], [80.0, 47.25], [80.25, 47.15], [80.5, 47.25], [81.03, 47.03], [81.18, 46.68], [81.53, 46.53], [81.75, 46.0], [81.53, 45.47], [81.0, 45.25], [80.75, 45.35], [80.5, 45.25], [80.25, 45.35], [80.18, 45.32], [80.03, 44.97], [79.5, 44.75], [79.25, 44.85], [79.18, 44.82], [79.03, 44.47], [78.5, 44.25], [78.25, 44.35], [78.0, 44.25], [77.47, 44.47], [77.25, 45.0], [77.35, 45.25], [77.25, 45.5], [77.47, 46.03], [77.82, 46.18], [77.88, 46.3], [77.75, 46.35], [77.5, 46.25], [76.97, 46.47], [76.75, 47.0], [76.97, 47.53], [77.32, 47.68], [77.47, 48.03], [78.0, 48.25]]]]}, "2018-08-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[78.0, 48.25], [78.53, 48.03], [78.75, 47.5], [78.65, 47.25], [78.75, 47.0], [78.63, 46.7], [79.0, 46.54], [79.32, 46.68], [79.47, 47.03], [80.0, 47.25], [80.25, 47.15], [80.5, 47.25], [80.75, 47.15], [81.0, 47.25], [81.53, 47.03], [81.75, 46.5], [81.65, 46.25], [81.75, 46.0], [81.53, 45.47], [81.0, 45.25], [80.75, 45.35], [80.68, 45.32], [80.53, 44.97], [80.0, 44.75], [79.75, 44.85], [79.5, 44.75], [79.25, 44.85], [79.18, 44.82], [79.03, 44.47], [78.5, 44.25], [78.25, 44.35], [78.0, 44.25], [77.47, 44.47], [77.25, 45.0], [77.35, 45.25], [77.25, 45.5], [77.47, 46.03], [77.82, 46.18], [77.88, 46.3], [77.75, 46.35], [77.5, 46.25], [76.97, 46.47], [76.75, 47.0], [76.97, 47.53], [77.32, 47.68], [77.47, 48.03], [78.0, 48.25]]]]}, "2018-08-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[70.25, 45.5], [70.47, 46.03], [70.82, 46.18], [70.97, 46.53], [71.5, 46.75], [71.75, 46.65], [72.0, 46.75], [72.25, 46.65], [72.5, 46.75], [73.03, 46.53], [73.25, 46.0], [73.15, 45.75], [73.18, 45.68], [73.5, 45.54], [74.0, 45.75], [74.25, 45.65], [74.32, 45.68], [74.47, 46.03], [74.82, 46.18], [74.97, 46.53], [75.5, 46.75], [74.97, 46.97], [74.75, 47.5], [74.97, 48.03], [75.32, 48.18], [75.47, 48.53], [76.0, 48.75], [76.25, 48.65], [76.5, 48.75], [76.75, 48.65], [77.0, 48.75], [77.53, 48.53], [77.68, 48.18], [77.75, 48.15], [78.0, 48.25], [78.53, 48.03], [78.75, 47.5], [78.65, 47.25], [78.75, 47.0], [78.63, 46.7], [79.0, 46.54], [79.32, 46.68], [79.47, 47.03], [80.0, 47.25], [80.25, 47.15], [80.5, 47.25], [80.75, 47.15], [81.0, 47.25], [81.53, 47.03], [81.75, 46.5], [81.65, 46.25], [81.75, 46.0], [81.53, 45.47], [81.0, 45.25], [80.75, 45.35], [80.68, 45.32], [80.53, 44.97], [80.0, 44.75], [79.75, 44.85], [79.5, 44.75], [79.25, 44.85], [79.18, 44.82], [79.03, 44.47], [78.5, 44.25], [78.25, 44.35], [78.0, 44.25], [77.47, 44.47], [77.32, 44.82], [77.25, 44.85], [77.18, 44.82], [77.03, 44.47], [76.5, 44.25], [76.25, 44.35], [76.0, 44.25], [75.75, 44.35], [75.5, 44.25], [75.25, 44.35], [75.0, 44.25], [74.75, 44.35], [74.5, 44.25], [74.25, 44.35], [74.18, 44.32], [74.03, 43.97], [73.5, 43.75], [73.25, 43.85], [73.0, 43.75], [72.47, 43.97], [72.32, 44.32], [72.25, 44.35], [72.0, 44.25], [71.75, 44.35], [71.5, 44.25], [70.97, 44.47], [70.82, 44.82], [70.47, 44.97], [70.25, 45.5]], [[75.75, 46.65], [75.88, 46.7], [75.82, 46.82], [75.75, 46.85], [75.5, 46.75], [75.75, 46.65]]]]}, "2018-08-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[70.25, 45.5], [70.47, 46.03], [70.82, 46.18], [70.97, 46.53], [71.5, 46.75], [71.75, 46.65], [72.0, 46.75], [72.25, 46.65], [72.5, 46.75], [73.03, 46.53], [73.25, 46.0], [73.15, 45.75], [73.18, 45.68], [73.5, 45.54], [74.0, 45.75], [74.25, 45.65], [74.32, 45.68], [74.47, 46.03], [74.82, 46.18], [74.97, 46.53], [75.5, 46.75], [74.97, 46.97], [74.75, 47.5], [74.97, 48.03], [75.32, 48.18], [75.47, 48.53], [76.0, 48.75], [76.25, 48.65], [76.5, 48.75], [76.75, 48.65], [77.0, 48.75], [77.53, 48.53], [77.68, 48.18], [78.03, 48.03], [78.25, 47.5], [78.04, 47.0], [78.2, 46.63], [78.5, 46.75], [79.0, 46.54], [79.32, 46.68], [79.47, 47.03], [80.0, 47.25], [80.25, 47.15], [80.5, 47.25], [80.75, 47.15], [81.0, 47.25], [81.25, 47.15], [81.5, 47.25], [81.75, 47.15], [82.0, 47.25], [82.53, 47.03], [82.75, 46.5], [82.53, 45.97], [82.0, 45.75], [81.75, 45.85], [81.68, 45.82], [81.53, 45.47], [81.0, 45.25], [80.75, 45.35], [80.68, 45.32], [80.53, 44.97], [80.0, 44.75], [79.75, 44.85], [79.5, 44.75], [79.25, 44.85], [79.18, 44.82], [79.03, 44.47], [78.5, 44.25], [78.25, 44.35], [78.0, 44.25], [77.47, 44.47], [77.32, 44.82], [77.25, 44.85], [77.18, 44.82], [77.03, 44.47], [76.5, 44.25], [76.25, 44.35], [76.0, 44.25], [75.75, 44.35], [75.5, 44.25], [75.25, 44.35], [75.0, 44.25], [74.75, 44.35], [74.5, 44.25], [74.25, 44.35], [74.18, 44.32], [74.03, 43.97], [73.5, 43.75], [73.25, 43.85], [73.0, 43.75], [72.47, 43.97], [72.32, 44.32], [72.25, 44.35], [72.0, 44.25], [71.75, 44.35], [71.5, 44.25], [70.97, 44.47], [70.82, 44.82], [70.47, 44.97], [70.25, 45.5]], [[75.75, 46.65], [75.88, 46.7], [75.82, 46.82], [75.75, 46.85], [75.5, 46.75], [75.75, 46.65]]]]}, "2018-08-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[70.25, 45.5], [70.47, 46.03], [70.82, 46.18], [70.97, 46.53], [71.5, 46.75], [71.75, 46.65], [72.0, 46.75], [72.25, 46.65], [72.5, 46.75], [73.03, 46.53], [73.25, 46.0], [73.15, 45.75], [73.18, 45.68], [73.5, 45.54], [74.0, 45.75], [74.25, 45.65], [74.32, 45.68], [74.47, 46.03], [74.82, 46.18], [74.97, 46.53], [75.5, 46.75], [74.97, 46.97], [74.75, 47.5], [74.97, 48.03], [75.32, 48.18], [75.47, 48.53], [76.0, 48.75], [76.25, 48.65], [76.5, 48.75], [76.75, 48.65], [77.0, 48.75], [77.53, 48.53], [77.68, 48.18], [78.03, 48.03], [78.25, 47.5], [78.04, 47.0], [78.2, 46.63], [78.5, 46.75], [79.0, 46.54], [79.32, 46.68], [79.47, 47.03], [80.0, 47.25], [80.25, 47.15], [80.5, 47.25], [80.75, 47.15], [81.0, 47.25], [81.25, 47.15], [81.5, 47.25], [81.75, 47.15], [82.0, 47.25], [82.53, 47.03], [82.75, 46.5], [82.53, 45.97], [82.0, 45.75], [81.75, 45.85], [81.68, 45.82], [81.53, 45.47], [81.0, 45.25], [80.75, 45.35], [80.68, 45.32], [80.53, 44.97], [80.0, 44.75], [79.75, 44.85], [79.5, 44.75], [79.25, 44.85], [79.18, 44.82], [79.03, 44.47], [78.5, 44.25], [78.25, 44.35], [78.0, 44.25], [77.47, 44.47], [77.32, 44.82], [77.25, 44.85], [77.18, 44.82], [77.03, 44.47], [76.5, 44.25], [76.25, 44.35], [76.0, 44.25], [75.75, 44.35], [75.5, 44.25], [75.25, 44.35], [75.0, 44.25], [74.75, 44.35], [74.5, 44.25], [74.25, 44.35], [74.18, 44.32], [74.03, 43.97], [73.5, 43.75], [73.25, 43.85], [73.0, 43.75], [72.47, 43.97], [72.32, 44.32], [72.25, 44.35], [72.0, 44.25], [71.75, 44.35], [71.5, 44.25], [70.97, 44.47], [70.82, 44.82], [70.47, 44.97], [70.25, 45.5]], [[75.75, 46.65], [75.88, 46.7], [75.82, 46.82], [75.75, 46.85], [75.5, 46.75], [75.75, 46.65]]]]}, "2018-08-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[78.5, 46.25], [78.75, 46.15], [79.0, 46.25], [79.25, 46.15], [79.32, 46.18], [79.35, 46.25], [79.25, 46.5], [79.47, 47.03], [80.0, 47.25], [80.25, 47.15], [80.5, 47.25], [80.75, 47.15], [81.0, 47.25], [81.25, 47.15], [81.5, 47.25], [81.75, 47.15], [82.0, 47.25], [82.53, 47.03], [82.75, 46.5], [82.53, 45.97], [82.0, 45.75], [81.75, 45.85], [81.68, 45.82], [81.53, 45.47], [81.0, 45.25], [80.75, 45.35], [80.68, 45.32], [80.53, 44.97], [80.0, 44.75], [79.75, 44.85], [79.5, 44.75], [79.25, 44.85], [79.18, 44.82], [79.03, 44.47], [78.5, 44.25], [78.25, 44.35], [78.0, 44.25], [77.47, 44.47], [77.25, 45.0], [77.47, 45.53], [77.82, 45.68], [77.97, 46.03], [78.5, 46.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 7.263692197102216}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 5.0841325660213315}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.21825229170372, 28.860193571461025, 29.385028575262027, 29.631036649735336, 30.371130344760616, 27.942097824063012]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [30.603592846460913, 30.6064916789569, 32.24797628577522, 32.436317574231055, 33.991168501311165, 29.991773542229282]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.434401617247911, 5.161080560715896, 4.527218028596158, 4.932731650353987, 5.949919018334814, 5.103900913111415]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.0112719622802615, 5.782088063488345, 5.192013463713579, 5.90349094527329, 7.263692197102216, 5.765069874281721]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5237834428189347, 1.7768021779258092, 1.4531154384260987, 1.5401645037389575, 1.8315399263762255, 1.6848554897273826]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7390620321233021, 2.0502638087963976, 1.73448874184653, 1.8196607460572545, 2.1622800639194044, 1.975313700764057]}}