{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:04:56.881104", "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": "2016-Mar-08_to_2016-Mar-10_267.5_29.5"}, "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": 2016030001338}, "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": "March 08 2016"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 10 2016"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "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": 100512.00833178032}, "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"]}, "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": ["Gulf of Mexico"]}, "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": 29.5}, "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": 267.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "267.5\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": 269.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 26.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 30.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2016-03-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-94.53, 30.03], [-94.18, 30.18], [-94.03, 30.53], [-93.5, 30.75], [-93.25, 30.65], [-93.0, 30.75], [-92.47, 30.53], [-92.32, 30.18], [-92.25, 30.15], [-92.0, 30.25], [-91.75, 30.15], [-91.5, 30.25], [-90.97, 30.03], [-90.82, 29.68], [-90.75, 29.65], [-90.5, 29.75], [-89.97, 29.53], [-89.75, 29.0], [-89.97, 28.47], [-90.32, 28.32], [-90.35, 28.25], [-90.25, 28.0], [-90.35, 27.75], [-90.25, 27.5], [-90.47, 26.97], [-91.0, 26.75], [-91.25, 26.85], [-91.32, 26.82], [-91.47, 26.47], [-92.0, 26.25], [-92.25, 26.35], [-92.5, 26.25], [-92.75, 26.35], [-93.0, 26.25], [-93.53, 26.47], [-93.68, 26.82], [-94.03, 26.97], [-94.25, 27.5], [-94.15, 27.75], [-94.25, 28.0], [-94.15, 28.25], [-94.18, 28.32], [-94.53, 28.47], [-94.75, 29.0], [-94.65, 29.25], [-94.75, 29.5], [-94.53, 30.03]]]]}, "2016-03-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-94.53, 30.03], [-94.18, 30.18], [-94.03, 30.53], [-93.5, 30.75], [-93.25, 30.65], [-93.0, 30.75], [-92.47, 30.53], [-92.32, 30.18], [-92.25, 30.15], [-92.0, 30.25], [-91.75, 30.15], [-91.5, 30.25], [-90.97, 30.03], [-90.82, 29.68], [-90.75, 29.65], [-90.5, 29.75], [-89.97, 29.53], [-89.75, 29.0], [-89.97, 28.47], [-90.32, 28.32], [-90.35, 28.25], [-90.25, 28.0], [-90.35, 27.75], [-90.25, 27.5], [-90.47, 26.97], [-91.0, 26.75], [-91.25, 26.85], [-91.32, 26.82], [-91.47, 26.47], [-92.0, 26.25], [-92.25, 26.35], [-92.5, 26.25], [-92.75, 26.35], [-93.0, 26.25], [-93.53, 26.47], [-93.68, 26.82], [-94.03, 26.97], [-94.25, 27.5], [-94.15, 27.75], [-94.25, 28.0], [-94.15, 28.25], [-94.18, 28.32], [-94.53, 28.47], [-94.75, 29.0], [-94.65, 29.25], [-94.75, 29.5], [-94.53, 30.03]]]]}, "2016-03-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-94.53, 30.03], [-94.18, 30.18], [-94.03, 30.53], [-93.5, 30.75], [-93.25, 30.65], [-93.0, 30.75], [-92.47, 30.53], [-92.32, 30.18], [-92.25, 30.15], [-92.0, 30.25], [-91.75, 30.15], [-91.5, 30.25], [-90.97, 30.03], [-90.82, 29.68], [-90.75, 29.65], [-90.5, 29.75], [-89.97, 29.53], [-89.75, 29.0], [-89.97, 28.47], [-90.32, 28.32], [-90.35, 28.25], [-90.25, 28.0], [-90.35, 27.75], [-90.25, 27.5], [-90.47, 26.97], [-91.0, 26.75], [-91.25, 26.85], [-91.32, 26.82], [-91.47, 26.47], [-92.0, 26.25], [-92.25, 26.35], [-92.5, 26.25], [-92.75, 26.35], [-93.0, 26.25], [-93.53, 26.47], [-93.68, 26.82], [-94.03, 26.97], [-94.25, 27.5], [-94.15, 27.75], [-94.25, 28.0], [-94.15, 28.25], [-94.18, 28.32], [-94.53, 28.47], [-94.75, 29.0], [-94.65, 29.25], [-94.75, 29.5], [-94.53, 30.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 6.441121810854781}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.840791254804439}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [21.80208086882311, 22.49187135849877, 22.209170803407915]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [23.095820424988005, 23.6620547305439, 23.65350383495064]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.52477427981281, 4.142027048450092, 3.8555724361504162]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.340337410000359, 6.441121810854781, 5.968461349084464]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.148024494679349, 1.336832927656842, 1.2187935177588198]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.3387690845757636, 1.5411810541671525, 1.4196006058184258]}}