{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:02:09.251813", "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": "2015-Jan-02_to_2015-Jan-08_52.0_32.0"}, "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": 2015010001721}, "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": "January 02 2015"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 08 2015"}, "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": 143938.80069119929}, "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"]}, "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": 32.0}, "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": 52.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "52.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 48.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 54.25}, "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": 34.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2015-01-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[48.47, 33.53], [49.0, 33.75], [49.3, 33.63], [49.35, 33.75], [49.25, 34.0], [49.47, 34.53], [50.0, 34.75], [50.25, 34.65], [50.5, 34.75], [51.0, 34.54], [51.5, 34.75], [52.03, 34.53], [52.18, 34.18], [52.53, 34.03], [52.68, 33.68], [52.75, 33.65], [53.0, 33.75], [53.25, 33.65], [53.5, 33.75], [54.03, 33.53], [54.25, 33.0], [54.04, 32.5], [54.18, 32.18], [54.53, 32.03], [54.75, 31.5], [54.65, 31.25], [54.75, 31.0], [54.53, 30.47], [54.18, 30.32], [54.15, 30.25], [54.25, 30.0], [54.03, 29.47], [53.5, 29.25], [52.97, 29.47], [52.8, 29.88], [52.5, 29.75], [52.0, 29.96], [51.5, 29.75], [50.97, 29.97], [50.82, 30.32], [50.47, 30.47], [50.32, 30.82], [49.97, 30.97], [49.82, 31.32], [49.47, 31.47], [49.32, 31.82], [49.25, 31.85], [49.0, 31.75], [48.47, 31.97], [48.25, 32.5], [48.35, 32.75], [48.25, 33.0], [48.47, 33.53]]]]}, "2015-01-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[48.35, 32.75], [48.25, 33.0], [48.47, 33.53], [49.0, 33.75], [49.3, 33.63], [49.35, 33.75], [49.25, 34.0], [49.47, 34.53], [50.0, 34.75], [50.25, 34.65], [50.5, 34.75], [51.0, 34.54], [51.5, 34.75], [52.03, 34.53], [52.18, 34.18], [52.53, 34.03], [52.68, 33.68], [52.75, 33.65], [53.0, 33.75], [53.25, 33.65], [53.5, 33.75], [54.03, 33.53], [54.25, 33.0], [54.04, 32.5], [54.18, 32.18], [54.53, 32.03], [54.75, 31.5], [54.65, 31.25], [54.75, 31.0], [54.53, 30.47], [54.18, 30.32], [54.15, 30.25], [54.25, 30.0], [54.03, 29.47], [53.5, 29.25], [53.25, 29.35], [53.0, 29.25], [52.47, 29.47], [52.32, 29.82], [52.0, 29.96], [51.5, 29.75], [50.97, 29.97], [50.82, 30.32], [50.47, 30.47], [50.32, 30.82], [50.25, 30.85], [50.0, 30.75], [49.47, 30.97], [49.32, 31.32], [49.25, 31.35], [49.0, 31.25], [48.47, 31.47], [48.25, 32.0], [48.35, 32.25], [48.25, 32.5], [48.35, 32.75]]]]}, "2015-01-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[48.35, 32.75], [48.25, 33.0], [48.47, 33.53], [49.0, 33.75], [49.3, 33.63], [49.35, 33.75], [49.25, 34.0], [49.47, 34.53], [50.0, 34.75], [50.25, 34.65], [50.5, 34.75], [51.0, 34.54], [51.5, 34.75], [52.03, 34.53], [52.18, 34.18], [52.53, 34.03], [52.68, 33.68], [52.75, 33.65], [53.0, 33.75], [53.25, 33.65], [53.5, 33.75], [54.03, 33.53], [54.25, 33.0], [54.04, 32.5], [54.18, 32.18], [54.53, 32.03], [54.75, 31.5], [54.65, 31.25], [54.75, 31.0], [54.53, 30.47], [54.18, 30.32], [54.15, 30.25], [54.25, 30.0], [54.03, 29.47], [53.5, 29.25], [53.25, 29.35], [53.0, 29.25], [52.47, 29.47], [52.32, 29.82], [52.0, 29.96], [51.5, 29.75], [50.97, 29.97], [50.82, 30.32], [50.47, 30.47], [50.32, 30.82], [50.25, 30.85], [50.0, 30.75], [49.47, 30.97], [49.32, 31.32], [49.25, 31.35], [49.0, 31.25], [48.47, 31.47], [48.25, 32.0], [48.35, 32.25], [48.25, 32.5], [48.35, 32.75]]]]}, "2015-01-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[48.47, 31.47], [48.25, 32.0], [48.47, 32.53], [49.0, 32.75], [49.25, 32.65], [49.5, 32.75], [49.75, 32.65], [50.0, 32.75], [50.5, 32.54], [50.82, 32.68], [50.85, 32.75], [50.75, 33.0], [50.97, 33.53], [51.5, 33.75], [51.75, 33.65], [52.0, 33.75], [52.53, 33.53], [52.68, 33.18], [53.03, 33.03], [53.18, 32.68], [53.53, 32.53], [53.75, 32.0], [53.65, 31.75], [53.75, 31.5], [53.65, 31.25], [53.75, 31.0], [53.54, 30.5], [53.75, 30.0], [53.53, 29.47], [53.0, 29.25], [52.47, 29.47], [52.25, 30.0], [52.38, 30.3], [51.97, 30.47], [51.75, 31.0], [51.85, 31.25], [51.82, 31.32], [51.75, 31.35], [51.5, 31.25], [51.25, 31.35], [51.18, 31.32], [51.03, 30.97], [50.5, 30.75], [50.25, 30.85], [50.0, 30.75], [49.47, 30.97], [49.32, 31.32], [49.25, 31.35], [49.0, 31.25], [48.47, 31.47]]]]}, "2015-01-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[52.25, 30.0], [52.47, 30.53], [53.0, 30.75], [53.25, 30.65], [53.5, 30.75], [54.03, 30.53], [54.25, 30.0], [54.03, 29.47], [53.5, 29.25], [53.25, 29.35], [53.0, 29.25], [52.47, 29.47], [52.25, 30.0]]], [[[48.25, 32.0], [48.47, 32.53], [49.0, 32.75], [49.25, 32.65], [49.5, 32.75], [49.75, 32.65], [50.0, 32.75], [50.5, 32.54], [50.88, 32.7], [50.75, 33.0], [50.97, 33.53], [51.5, 33.75], [52.03, 33.53], [52.18, 33.18], [52.53, 33.03], [52.75, 32.5], [52.65, 32.25], [52.75, 32.0], [52.53, 31.47], [52.0, 31.25], [51.75, 31.35], [51.5, 31.25], [51.25, 31.35], [51.18, 31.32], [51.03, 30.97], [50.5, 30.75], [50.25, 30.85], [50.0, 30.75], [49.47, 30.97], [49.32, 31.32], [49.25, 31.35], [49.0, 31.25], [48.47, 31.47], [48.25, 32.0]]]]}, "2015-01-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[52.25, 30.0], [52.47, 30.53], [53.0, 30.75], [53.25, 30.65], [53.5, 30.75], [54.03, 30.53], [54.25, 30.0], [54.03, 29.47], [53.5, 29.25], [53.25, 29.35], [53.0, 29.25], [52.47, 29.47], [52.25, 30.0]]], [[[48.25, 32.0], [48.47, 32.53], [49.0, 32.75], [49.25, 32.65], [49.5, 32.75], [49.75, 32.65], [50.0, 32.75], [50.5, 32.54], [50.88, 32.7], [50.75, 33.0], [50.97, 33.53], [51.5, 33.75], [52.03, 33.53], [52.18, 33.18], [52.53, 33.03], [52.75, 32.5], [52.65, 32.25], [52.75, 32.0], [52.53, 31.47], [52.0, 31.25], [51.75, 31.35], [51.5, 31.25], [51.25, 31.35], [51.18, 31.32], [51.03, 30.97], [50.5, 30.75], [50.25, 30.85], [50.0, 30.75], [49.47, 30.97], [49.32, 31.32], [49.25, 31.35], [49.0, 31.25], [48.47, 31.47], [48.25, 32.0]]]]}, "2015-01-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[52.25, 30.0], [52.47, 30.53], [53.0, 30.75], [53.25, 30.65], [53.5, 30.75], [54.03, 30.53], [54.25, 30.0], [54.03, 29.47], [53.5, 29.25], [53.25, 29.35], [53.0, 29.25], [52.47, 29.47], [52.25, 30.0]]], [[[52.0, 33.25], [52.53, 33.03], [52.75, 32.5], [52.65, 32.25], [52.75, 32.0], [52.53, 31.47], [52.0, 31.25], [51.47, 31.47], [51.25, 32.0], [51.35, 32.25], [51.25, 32.5], [51.47, 33.03], [52.0, 33.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 8.65482278853358}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 5.487904152317326}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [7.526709789796769, 8.019580548175497, 8.067672092641942, 8.242882701669942, 8.49491857352183, 10.698749614301107, 7.981887514657103]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [12.922826934111015, 16.37483995483501, 16.539952625067826, 16.0411130406124, 17.43615349298335, 18.319560149094457, 8.918844680965037]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [5.518169685000085, 5.444481042620193, 5.706752792419104, 4.600559711290719, 4.672825669755426, 7.108941421451282, 4.739028945648116]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [7.140722265317777, 7.193430805236687, 7.389703439984544, 6.307716791276732, 6.292960342010986, 8.65482278853358, 5.644503222090464]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3988314816143503, 1.448000589309492, 1.50246417040531, 1.2786351184776623, 1.2973024957584927, 2.01279762395361, 1.5196524766294761]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.9583947168871245, 1.8481420016588097, 2.2912713443816606, 1.8310403920399763, 1.7625422338487127, 2.8329536392171195, 1.9585350816801395]}}