{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:53:42.727380", "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": "2013-Jun-12_to_2013-Jun-16_273.0_31.0"}, "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": 2013060002062}, "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 12 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 16 2013"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 50381.60962321758}, "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": ["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": 31.0}, "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": 273.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "273.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 270.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 275.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 30.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 32.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-06-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-90.03, 29.97], [-90.25, 30.5], [-90.03, 31.03], [-89.5, 31.25], [-89.25, 31.15], [-89.18, 31.18], [-89.03, 31.53], [-88.5, 31.75], [-88.25, 31.65], [-88.0, 31.75], [-87.75, 31.65], [-87.68, 31.68], [-87.65, 31.75], [-87.75, 32.0], [-87.53, 32.53], [-87.0, 32.75], [-86.75, 32.65], [-86.5, 32.75], [-85.97, 32.53], [-85.75, 32.0], [-85.85, 31.75], [-85.82, 31.68], [-85.47, 31.53], [-85.32, 31.18], [-85.25, 31.15], [-85.0, 31.25], [-84.47, 31.03], [-84.25, 30.5], [-84.47, 29.97], [-85.0, 29.75], [-85.25, 29.85], [-85.5, 29.75], [-85.75, 29.85], [-86.0, 29.75], [-86.25, 29.85], [-86.5, 29.75], [-87.0, 29.96], [-87.5, 29.75], [-88.0, 29.96], [-88.5, 29.75], [-88.75, 29.85], [-89.0, 29.75], [-89.25, 29.85], [-89.5, 29.75], [-90.03, 29.97]]]]}, "2013-06-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-90.03, 29.97], [-90.25, 30.5], [-90.03, 31.03], [-89.5, 31.25], [-89.25, 31.15], [-89.18, 31.18], [-89.03, 31.53], [-88.5, 31.75], [-88.25, 31.65], [-88.0, 31.75], [-87.75, 31.65], [-87.68, 31.68], [-87.65, 31.75], [-87.75, 32.0], [-87.53, 32.53], [-87.0, 32.75], [-86.75, 32.65], [-86.5, 32.75], [-85.97, 32.53], [-85.75, 32.0], [-85.85, 31.75], [-85.82, 31.68], [-85.47, 31.53], [-85.32, 31.18], [-85.25, 31.15], [-85.0, 31.25], [-84.47, 31.03], [-84.25, 30.5], [-84.47, 29.97], [-85.0, 29.75], [-85.25, 29.85], [-85.5, 29.75], [-85.75, 29.85], [-86.0, 29.75], [-86.25, 29.85], [-86.5, 29.75], [-86.75, 29.85], [-87.0, 29.75], [-87.25, 29.85], [-87.5, 29.75], [-88.0, 29.96], [-88.5, 29.75], [-88.75, 29.85], [-89.0, 29.75], [-89.25, 29.85], [-89.5, 29.75], [-90.03, 29.97]]]]}, "2013-06-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-90.03, 29.97], [-90.25, 30.5], [-90.03, 31.03], [-89.5, 31.25], [-89.25, 31.15], [-89.18, 31.18], [-89.03, 31.53], [-88.5, 31.75], [-88.25, 31.65], [-88.0, 31.75], [-87.75, 31.65], [-87.68, 31.68], [-87.65, 31.75], [-87.75, 32.0], [-87.53, 32.53], [-87.0, 32.75], [-86.75, 32.65], [-86.5, 32.75], [-85.97, 32.53], [-85.75, 32.0], [-85.85, 31.75], [-85.82, 31.68], [-85.47, 31.53], [-85.32, 31.18], [-85.25, 31.15], [-85.0, 31.25], [-84.47, 31.03], [-84.25, 30.5], [-84.47, 29.97], [-85.0, 29.75], [-85.25, 29.85], [-85.5, 29.75], [-85.75, 29.85], [-86.0, 29.75], [-86.25, 29.85], [-86.5, 29.75], [-86.75, 29.85], [-87.0, 29.75], [-87.25, 29.85], [-87.5, 29.75], [-88.0, 29.96], [-88.5, 29.75], [-88.75, 29.85], [-89.0, 29.75], [-89.25, 29.85], [-89.5, 29.75], [-90.03, 29.97]]]]}, "2013-06-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-88.03, 31.53], [-87.5, 31.75], [-87.25, 31.65], [-87.0, 31.75], [-86.47, 31.53], [-86.32, 31.18], [-85.97, 31.03], [-85.75, 30.5], [-85.97, 29.97], [-86.5, 29.75], [-86.75, 29.85], [-87.0, 29.75], [-87.25, 29.85], [-87.5, 29.75], [-88.03, 29.97], [-88.25, 30.5], [-88.15, 30.75], [-88.25, 31.0], [-88.03, 31.53]]]]}, "2013-06-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-88.03, 30.47], [-88.25, 31.0], [-88.03, 31.53], [-87.5, 31.75], [-87.25, 31.65], [-87.0, 31.75], [-86.47, 31.53], [-86.25, 31.0], [-86.47, 30.47], [-87.0, 30.25], [-87.25, 30.35], [-87.5, 30.25], [-88.03, 30.47]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.664061061029486}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.7257576974617583}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.85563620921215, 29.656086098854416, 28.96126077718924, 29.060573097428403, 29.149045703195952]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [29.984761413638182, 30.83480322557955, 29.404494776186937, 29.552994144080742, 29.373302765720723]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.5491185809116215, 3.2394952488535296, 2.47759455175704, 2.351491272948954, 2.728218953668005]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.661794415411009, 4.664061061029486, 2.817852027587435, 2.6675300013010883, 2.944839446686956]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5493711157213255, 2.0082045492729477, 1.578695874774332, 1.5823811881277245, 1.6559319226975568]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8838360217897037, 2.45535909684541, 1.9905238622882648, 1.642602518107703, 1.7747550141224266]}}