{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:25:33.838983", "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": "2022-Dec-14_to_2022-Dec-20_54.5_34.5"}, "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": 2022120002187}, "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": "December 14 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 20 2022"}, "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": 246628.16042168345}, "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": ["Iran, Islamic Republic of", "Turkmenistan"]}, "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": 34.5}, "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": 54.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "54.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 51.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 60.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 33.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 38.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[53.0, 35.75], [53.25, 35.65], [53.5, 35.75], [53.75, 35.65], [53.82, 35.68], [53.85, 35.75], [53.75, 36.0], [53.97, 36.53], [54.32, 36.68], [54.47, 37.03], [55.0, 37.25], [55.25, 37.15], [55.32, 37.18], [55.47, 37.53], [56.0, 37.75], [56.25, 37.65], [56.5, 37.75], [56.75, 37.65], [56.82, 37.68], [56.85, 37.75], [56.75, 38.0], [56.97, 38.53], [57.5, 38.75], [58.03, 38.53], [58.18, 38.18], [58.25, 38.15], [58.5, 38.25], [58.75, 38.15], [59.0, 38.25], [59.25, 38.15], [59.5, 38.25], [59.75, 38.15], [60.0, 38.25], [60.53, 38.03], [60.68, 37.68], [61.03, 37.53], [61.25, 37.0], [61.15, 36.75], [61.25, 36.5], [61.15, 36.25], [61.25, 36.0], [61.03, 35.47], [60.5, 35.25], [60.25, 35.35], [60.0, 35.25], [59.75, 35.35], [59.68, 35.32], [59.65, 35.25], [59.68, 35.18], [60.03, 35.03], [60.18, 34.68], [60.53, 34.53], [60.75, 34.0], [60.53, 33.47], [60.0, 33.25], [59.75, 33.35], [59.5, 33.25], [59.25, 33.35], [59.0, 33.25], [58.75, 33.35], [58.5, 33.25], [58.2, 33.38], [58.15, 33.25], [58.25, 33.0], [58.03, 32.47], [57.5, 32.25], [57.25, 32.35], [57.0, 32.25], [56.47, 32.47], [56.25, 33.0], [56.35, 33.25], [56.32, 33.32], [56.0, 33.46], [55.5, 33.25], [54.97, 33.47], [54.82, 33.82], [54.75, 33.85], [54.68, 33.82], [54.53, 33.47], [54.0, 33.25], [53.75, 33.35], [53.5, 33.25], [53.25, 33.35], [53.0, 33.25], [52.47, 33.47], [52.32, 33.82], [52.25, 33.85], [52.0, 33.75], [51.47, 33.97], [51.32, 34.32], [50.97, 34.47], [50.75, 35.0], [50.97, 35.53], [51.5, 35.75], [51.75, 35.65], [52.0, 35.75], [52.25, 35.65], [52.5, 35.75], [52.75, 35.65], [53.0, 35.75]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["W.C.Asia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-12-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[56.0, 33.75], [55.47, 33.97], [55.25, 34.5], [55.47, 35.03], [56.0, 35.25], [56.53, 35.03], [56.75, 34.5], [56.53, 33.97], [56.0, 33.75]]], [[[56.75, 38.0], [56.97, 38.53], [57.5, 38.75], [58.03, 38.53], [58.25, 38.0], [58.13, 37.7], [58.3, 37.63], [58.47, 38.03], [59.0, 38.25], [59.25, 38.15], [59.5, 38.25], [59.75, 38.15], [60.0, 38.25], [60.53, 38.03], [60.68, 37.68], [61.03, 37.53], [61.25, 37.0], [61.15, 36.75], [61.25, 36.5], [61.15, 36.25], [61.25, 36.0], [61.03, 35.47], [60.5, 35.25], [59.97, 35.47], [59.82, 35.82], [59.47, 35.97], [59.32, 36.32], [59.25, 36.35], [59.0, 36.25], [58.5, 36.46], [58.0, 36.25], [57.47, 36.47], [57.25, 37.0], [57.38, 37.3], [56.97, 37.47], [56.75, 38.0]]]]}, "2022-12-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[52.0, 33.75], [51.47, 33.97], [51.25, 34.5], [51.47, 35.03], [52.0, 35.25], [52.53, 35.03], [52.75, 34.5], [52.53, 33.97], [52.0, 33.75]]], [[[53.32, 35.18], [53.47, 35.53], [53.82, 35.68], [53.97, 36.03], [54.32, 36.18], [54.35, 36.25], [54.25, 36.5], [54.47, 37.03], [55.0, 37.25], [55.25, 37.15], [55.32, 37.18], [55.47, 37.53], [56.0, 37.75], [56.5, 37.54], [56.82, 37.68], [56.85, 37.75], [56.75, 38.0], [56.97, 38.53], [57.5, 38.75], [58.03, 38.53], [58.18, 38.18], [58.25, 38.15], [58.5, 38.25], [58.75, 38.15], [59.0, 38.25], [59.25, 38.15], [59.5, 38.25], [59.75, 38.15], [60.0, 38.25], [60.53, 38.03], [60.68, 37.68], [61.03, 37.53], [61.25, 37.0], [61.15, 36.75], [61.25, 36.5], [61.15, 36.25], [61.25, 36.0], [61.03, 35.47], [60.5, 35.25], [60.25, 35.35], [60.0, 35.25], [59.75, 35.35], [59.68, 35.32], [59.65, 35.25], [59.68, 35.18], [60.03, 35.03], [60.18, 34.68], [60.53, 34.53], [60.75, 34.0], [60.53, 33.47], [60.0, 33.25], [59.75, 33.35], [59.5, 33.25], [59.25, 33.35], [59.0, 33.25], [58.75, 33.35], [58.5, 33.25], [58.2, 33.38], [58.15, 33.25], [58.25, 33.0], [58.03, 32.47], [57.5, 32.25], [57.25, 32.35], [57.0, 32.25], [56.47, 32.47], [56.25, 33.0], [56.35, 33.25], [56.32, 33.32], [56.0, 33.46], [55.5, 33.25], [54.97, 33.47], [54.82, 33.82], [54.75, 33.85], [54.5, 33.75], [54.0, 33.96], [53.5, 33.75], [52.97, 33.97], [52.75, 34.5], [52.97, 35.03], [53.32, 35.18]]]]}, "2022-12-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[50.97, 34.47], [50.75, 35.0], [50.97, 35.53], [51.5, 35.75], [51.75, 35.65], [52.0, 35.75], [52.25, 35.65], [52.5, 35.75], [52.75, 35.65], [53.0, 35.75], [53.25, 35.65], [53.5, 35.75], [53.75, 35.65], [53.82, 35.68], [53.85, 35.75], [53.75, 36.0], [53.97, 36.53], [54.32, 36.68], [54.47, 37.03], [55.0, 37.25], [55.25, 37.15], [55.32, 37.18], [55.47, 37.53], [56.0, 37.75], [56.25, 37.65], [56.5, 37.75], [56.75, 37.65], [56.82, 37.68], [56.85, 37.75], [56.75, 38.0], [56.97, 38.53], [57.5, 38.75], [58.03, 38.53], [58.18, 38.18], [58.25, 38.15], [58.5, 38.25], [58.75, 38.15], [59.0, 38.25], [59.25, 38.15], [59.5, 38.25], [59.75, 38.15], [60.0, 38.25], [60.53, 38.03], [60.68, 37.68], [61.03, 37.53], [61.25, 37.0], [61.15, 36.75], [61.25, 36.5], [61.15, 36.25], [61.25, 36.0], [61.03, 35.47], [60.5, 35.25], [60.25, 35.35], [60.0, 35.25], [59.75, 35.35], [59.68, 35.32], [59.65, 35.25], [59.68, 35.18], [60.03, 35.03], [60.18, 34.68], [60.53, 34.53], [60.75, 34.0], [60.53, 33.47], [60.0, 33.25], [59.75, 33.35], [59.5, 33.25], [59.25, 33.35], [59.0, 33.25], [58.75, 33.35], [58.5, 33.25], [58.2, 33.38], [58.15, 33.25], [58.25, 33.0], [58.03, 32.47], [57.5, 32.25], [57.25, 32.35], [57.0, 32.25], [56.47, 32.47], [56.25, 33.0], [56.35, 33.25], [56.32, 33.32], [56.0, 33.46], [55.5, 33.25], [54.97, 33.47], [54.82, 33.82], [54.75, 33.85], [54.68, 33.82], [54.53, 33.47], [54.0, 33.25], [53.75, 33.35], [53.5, 33.25], [53.25, 33.35], [53.0, 33.25], [52.47, 33.47], [52.32, 33.82], [52.25, 33.85], [52.0, 33.75], [51.47, 33.97], [51.32, 34.32], [50.97, 34.47]]]]}, "2022-12-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[50.97, 34.47], [50.75, 35.0], [50.97, 35.53], [51.5, 35.75], [51.75, 35.65], [52.0, 35.75], [52.25, 35.65], [52.5, 35.75], [52.75, 35.65], [53.0, 35.75], [53.25, 35.65], [53.5, 35.75], [53.75, 35.65], [53.82, 35.68], [53.85, 35.75], [53.75, 36.0], [53.97, 36.53], [54.32, 36.68], [54.47, 37.03], [55.0, 37.25], [55.25, 37.15], [55.32, 37.18], [55.47, 37.53], [56.0, 37.75], [56.25, 37.65], [56.5, 37.75], [56.75, 37.65], [56.82, 37.68], [56.97, 38.03], [57.5, 38.25], [57.75, 38.15], [58.0, 38.25], [58.25, 38.15], [58.5, 38.25], [59.03, 38.03], [59.18, 37.68], [59.53, 37.53], [59.68, 37.18], [59.75, 37.15], [60.0, 37.25], [60.53, 37.03], [60.75, 36.5], [60.65, 36.25], [60.75, 36.0], [60.53, 35.47], [60.0, 35.25], [59.75, 35.35], [59.68, 35.32], [59.65, 35.25], [59.68, 35.18], [60.03, 35.03], [60.18, 34.68], [60.53, 34.53], [60.75, 34.0], [60.53, 33.47], [60.0, 33.25], [59.75, 33.35], [59.5, 33.25], [59.25, 33.35], [59.0, 33.25], [58.75, 33.35], [58.5, 33.25], [58.2, 33.38], [58.15, 33.25], [58.25, 33.0], [58.03, 32.47], [57.5, 32.25], [57.25, 32.35], [57.0, 32.25], [56.47, 32.47], [56.25, 33.0], [56.35, 33.25], [56.32, 33.32], [56.0, 33.46], [55.5, 33.25], [54.97, 33.47], [54.82, 33.82], [54.75, 33.85], [54.68, 33.82], [54.53, 33.47], [54.0, 33.25], [53.75, 33.35], [53.5, 33.25], [53.25, 33.35], [53.0, 33.25], [52.47, 33.47], [52.32, 33.82], [52.25, 33.85], [52.0, 33.75], [51.47, 33.97], [51.32, 34.32], [50.97, 34.47]]]]}, "2022-12-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[50.97, 34.47], [50.75, 35.0], [50.97, 35.53], [51.5, 35.75], [51.75, 35.65], [52.0, 35.75], [52.25, 35.65], [52.5, 35.75], [52.75, 35.65], [53.0, 35.75], [53.25, 35.65], [53.5, 35.75], [53.75, 35.65], [53.88, 35.7], [53.75, 36.0], [53.97, 36.53], [54.5, 36.75], [54.75, 36.65], [54.82, 36.68], [54.97, 37.03], [55.32, 37.18], [55.47, 37.53], [56.0, 37.75], [56.25, 37.65], [56.5, 37.75], [56.75, 37.65], [57.0, 37.75], [57.53, 37.53], [57.75, 37.0], [57.65, 36.75], [57.75, 36.5], [57.65, 36.25], [57.68, 36.18], [58.03, 36.03], [58.18, 35.68], [58.25, 35.65], [58.5, 35.75], [58.75, 35.65], [59.0, 35.75], [59.53, 35.53], [59.75, 35.0], [59.53, 34.47], [59.0, 34.25], [58.75, 34.35], [58.5, 34.25], [58.25, 34.35], [58.18, 34.32], [58.03, 33.97], [57.5, 33.75], [57.25, 33.85], [57.0, 33.75], [56.75, 33.85], [56.5, 33.75], [56.25, 33.85], [56.18, 33.82], [56.03, 33.47], [55.5, 33.25], [54.97, 33.47], [54.82, 33.82], [54.75, 33.85], [54.68, 33.82], [54.53, 33.47], [54.0, 33.25], [53.75, 33.35], [53.5, 33.25], [53.25, 33.35], [53.0, 33.25], [52.47, 33.47], [52.32, 33.82], [52.25, 33.85], [52.0, 33.75], [51.47, 33.97], [51.32, 34.32], [50.97, 34.47]]]]}, "2022-12-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[52.47, 34.47], [52.25, 35.0], [52.47, 35.53], [53.0, 35.75], [53.53, 35.53], [53.68, 35.18], [54.0, 35.04], [54.32, 35.18], [54.47, 35.53], [55.0, 35.75], [55.5, 35.54], [56.0, 35.75], [56.53, 35.53], [56.75, 35.0], [56.53, 34.47], [56.0, 34.25], [55.7, 34.38], [55.53, 33.97], [55.0, 33.75], [54.75, 33.85], [54.5, 33.75], [54.0, 33.96], [53.5, 33.75], [52.97, 33.97], [52.82, 34.32], [52.47, 34.47]]]]}, "2022-12-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[53.97, 35.03], [54.5, 35.25], [55.03, 35.03], [55.25, 34.5], [55.03, 33.97], [54.5, 33.75], [53.97, 33.97], [53.75, 34.5], [53.97, 35.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 7.52699636384574}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.604680227587848}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [8.694349350760262, 9.605737170882378, 10.146205381736308, 10.081514640353248, 10.508897492081132, 10.486824820001573, 10.408253762348465]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [12.062356465786422, 13.5589801282851, 13.267674225854591, 14.295836488007069, 13.209251321064585, 10.73203929581581, 10.408253762348465]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [5.0669375065155275, 4.4601499872723265, 4.846369900401034, 4.741434287956976, 4.187636575723257, 3.3318967250851963, 3.078999607102105]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [6.66221183959567, 7.52699636384574, 6.854203322544663, 6.580237718559715, 5.709740507004028, 3.515840765285475, 3.078999607102105]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.331385293672938, 1.4562808033832828, 1.6784777883504036, 1.7077390697034314, 1.6179605542106446, 1.3113906830001376, 1.2933934638116507]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.642003797948669, 1.8961972356821961, 2.190010417114289, 2.571167794203913, 2.2200218605108244, 1.4571219653698715, 1.2933934638116507]}}