{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:51:05.181778", "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": "2012-Jul-24_to_2012-Jul-27_136.5_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": 2012070002869}, "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 24 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 27 2012"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 83765.4720392434}, "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", "Russian Federation"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.Asia", "Russian-Far-East"]}, "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": 136.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "136.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 132.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 139.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 43.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 48.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2012-07-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[136.5, 46.25], [137.03, 46.03], [137.25, 45.5], [137.03, 44.97], [136.5, 44.75], [135.97, 44.97], [135.75, 45.5], [135.97, 46.03], [136.5, 46.25]]]]}, "2012-07-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[132.47, 45.03], [132.82, 45.18], [132.85, 45.25], [132.75, 45.5], [132.85, 45.75], [132.75, 46.0], [132.97, 46.53], [133.5, 46.75], [133.75, 46.65], [134.0, 46.75], [134.25, 46.65], [134.5, 46.75], [135.03, 46.53], [135.18, 46.18], [135.25, 46.15], [135.32, 46.18], [135.47, 46.53], [136.0, 46.75], [136.25, 46.65], [136.32, 46.68], [136.35, 46.75], [136.25, 47.0], [136.47, 47.53], [137.0, 47.75], [137.25, 47.65], [137.32, 47.68], [137.35, 47.75], [137.25, 48.0], [137.47, 48.53], [138.0, 48.75], [138.25, 48.65], [138.32, 48.68], [138.47, 49.03], [139.0, 49.25], [139.53, 49.03], [139.75, 48.5], [139.65, 48.25], [139.75, 48.0], [139.53, 47.47], [139.18, 47.32], [139.15, 47.25], [139.25, 47.0], [139.03, 46.47], [138.68, 46.32], [138.53, 45.97], [138.18, 45.82], [138.03, 45.47], [137.68, 45.32], [137.53, 44.97], [137.0, 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"max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 6.08640222171573}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.9846726348125356}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [21.352810982054848, 23.06609931486213, 23.0326906684532, 22.851476387477817]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [21.352810982054848, 26.903538125906493, 26.00856726683213, 25.651703172854013]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.603160965194604, 4.129420809737098, 4.019126576826527, 3.815252868377006]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.603160965194604, 5.275638639962665, 5.1578312570422895, 6.08640222171573]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3202048776008029, 1.6706237561595993, 1.6567929524597598, 1.606364248577523]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.3202048776008029, 2.012637453212271, 2.010066690780198, 2.2206328418201067]}}