{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:45:05.541140", "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": "2010-Jun-25_to_2010-Jun-28_268.5_32.5"}, "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": 2010060002678}, "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": "June 25 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 28 2010"}, "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": 70729.36686388636}, "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": ["United States"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["C.North-America", "E.North-America"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["North America"]}, "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": 32.5}, "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": 268.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "268.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 265.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 270.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 30.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 33.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-06-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-93.5, 32.75], [-93.0, 32.54], [-92.5, 32.75], [-92.2, 32.62], [-92.15, 32.75], [-92.25, 33.0], [-92.03, 33.53], [-91.68, 33.68], [-91.53, 34.03], [-91.0, 34.25], [-90.47, 34.03], [-90.25, 33.5], [-90.35, 33.25], [-90.32, 33.18], [-90.25, 33.15], [-90.0, 33.25], [-89.47, 33.03], [-89.25, 32.5], [-89.35, 32.25], [-89.32, 32.18], [-88.97, 32.03], [-88.75, 31.5], [-88.97, 30.97], [-89.5, 30.75], [-89.75, 30.85], [-90.0, 30.75], [-90.3, 30.88], [-90.47, 30.47], [-91.0, 30.25], [-91.53, 30.47], [-91.7, 30.88], [-91.82, 30.82], [-91.97, 30.47], [-92.5, 30.25], [-93.03, 30.47], [-93.25, 31.0], [-93.15, 31.25], [-93.2, 31.38], [-93.32, 31.32], [-93.47, 30.97], [-94.0, 30.75], [-94.53, 30.97], [-94.75, 31.5], [-94.53, 32.03], [-94.18, 32.18], [-94.03, 32.53], [-93.5, 32.75]]]]}, "2010-06-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-94.65, 31.75], [-94.75, 32.0], [-94.53, 32.53], [-94.18, 32.68], [-94.03, 33.03], [-93.5, 33.25], [-93.25, 33.15], [-93.0, 33.25], [-92.47, 33.03], [-92.32, 32.68], [-92.2, 32.62], [-92.15, 32.75], [-92.25, 33.0], [-92.15, 33.25], [-92.25, 33.5], [-92.03, 34.03], [-91.5, 34.25], [-91.25, 34.15], [-91.0, 34.25], [-90.47, 34.03], [-90.25, 33.5], [-90.35, 33.25], [-90.32, 33.18], [-90.25, 33.15], [-90.0, 33.25], [-89.47, 33.03], [-89.25, 32.5], [-89.35, 32.25], [-89.32, 32.18], [-88.97, 32.03], [-88.75, 31.5], [-88.97, 30.97], [-89.5, 30.75], [-89.75, 30.85], [-90.0, 30.75], [-90.3, 30.88], [-90.47, 30.47], [-91.0, 30.25], [-91.53, 30.47], [-91.7, 30.88], [-91.82, 30.82], [-91.97, 30.47], [-92.5, 30.25], [-93.03, 30.47], [-93.2, 30.88], [-93.32, 30.82], [-93.47, 30.47], [-94.0, 30.25], [-94.53, 30.47], [-94.75, 31.0], [-94.65, 31.25], [-94.75, 31.5], [-94.65, 31.75]]]]}, "2010-06-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-94.65, 31.75], [-94.75, 32.0], [-94.53, 32.53], [-94.18, 32.68], [-94.03, 33.03], [-93.5, 33.25], [-93.25, 33.15], [-93.0, 33.25], [-92.47, 33.03], [-92.32, 32.68], [-92.2, 32.62], [-92.15, 32.75], [-92.25, 33.0], [-92.15, 33.25], [-92.25, 33.5], [-92.03, 34.03], [-91.5, 34.25], [-91.25, 34.15], [-91.0, 34.25], [-90.47, 34.03], [-90.25, 33.5], [-90.35, 33.25], [-90.32, 33.18], [-90.25, 33.15], [-90.0, 33.25], [-89.47, 33.03], [-89.25, 32.5], [-89.35, 32.25], [-89.32, 32.18], [-88.97, 32.03], [-88.75, 31.5], [-88.97, 30.97], [-89.5, 30.75], [-89.75, 30.85], [-90.0, 30.75], [-90.3, 30.88], [-90.47, 30.47], [-91.0, 30.25], [-91.53, 30.47], [-91.7, 30.88], [-91.82, 30.82], [-91.97, 30.47], [-92.5, 30.25], [-93.03, 30.47], [-93.2, 30.88], [-93.32, 30.82], [-93.47, 30.47], [-94.0, 30.25], [-94.53, 30.47], [-94.75, 31.0], [-94.65, 31.25], [-94.75, 31.5], [-94.65, 31.75]]]]}, "2010-06-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-94.75, 32.0], [-94.53, 32.53], [-94.18, 32.68], [-94.03, 33.03], [-93.5, 33.25], [-93.25, 33.15], [-93.0, 33.25], [-92.47, 33.03], [-92.25, 32.5], [-92.47, 31.97], [-92.82, 31.82], [-92.85, 31.75], [-92.75, 31.5], [-92.97, 30.97], [-93.32, 30.82], [-93.47, 30.47], [-94.0, 30.25], [-94.53, 30.47], [-94.75, 31.0], [-94.65, 31.25], [-94.75, 31.5], [-94.65, 31.75], [-94.75, 32.0]]], [[[-92.15, 33.25], [-92.25, 33.5], [-92.03, 34.03], [-91.5, 34.25], [-91.25, 34.15], [-91.0, 34.25], [-90.47, 34.03], [-90.25, 33.5], [-90.35, 33.25], [-90.32, 33.18], [-90.25, 33.15], [-90.0, 33.25], [-89.47, 33.03], [-89.25, 32.5], [-89.47, 31.97], [-90.0, 31.75], [-90.25, 31.85], [-90.5, 31.75], [-90.75, 31.85], [-91.0, 31.75], [-91.25, 31.85], [-91.5, 31.75], [-92.03, 31.97], [-92.25, 32.5], [-92.15, 32.75], [-92.25, 33.0], [-92.15, 33.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.1570996334698975}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.349972277039381}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [30.205195257564355, 30.667826060819152, 30.47652511763198, 30.49620316721689]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [30.703456920837425, 31.436670630702167, 31.65607302067525, 31.54430666765046]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.200785402995396, 3.5855638215811885, 3.344770351186974, 3.1441325870600396]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.872009943929754, 4.1570996334698975, 4.142536988780023, 3.895451953952147]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.631168358812617, 1.8243540154028144, 1.703818056414654, 1.5936621395122281]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.9471875780584467, 2.1514955703447862, 2.031063232316536, 1.893776765365678]}}