{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:06:15.935298", "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-Sep-05_to_2016-Sep-09_265.0_28.0"}, "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": 2016090001270}, "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": "September 05 2016"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 09 2016"}, "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": 70886.74983984182}, "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", "N.Central-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": 28.0}, "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": 265.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "265.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 264.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 267.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 26.25}, "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": {"2016-09-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-95.0, 29.25], [-94.75, 29.15], [-94.5, 29.25], [-94.25, 29.15], [-94.0, 29.25], [-93.47, 29.03], [-93.32, 28.68], [-93.25, 28.65], [-93.0, 28.75], [-92.47, 28.53], [-92.32, 28.18], [-91.97, 28.03], [-91.75, 27.5], [-91.85, 27.25], [-91.75, 27.0], [-91.85, 26.75], [-91.75, 26.5], [-91.97, 25.97], [-92.5, 25.75], [-92.75, 25.85], [-93.0, 25.75], [-93.53, 25.97], [-93.68, 26.32], [-93.75, 26.35], [-94.0, 26.25], [-94.53, 26.47], [-94.75, 27.0], [-94.65, 27.25], [-94.68, 27.32], [-94.75, 27.35], [-95.0, 27.25], [-95.25, 27.35], [-95.5, 27.25], [-96.03, 27.47], [-96.25, 28.0], [-96.03, 28.53], [-95.68, 28.68], [-95.53, 29.03], [-95.0, 29.25]]]]}, "2016-09-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-96.03, 29.53], [-95.68, 29.68], [-95.53, 30.03], [-95.0, 30.25], [-94.75, 30.15], [-94.68, 30.18], [-94.53, 30.53], [-94.0, 30.75], [-93.75, 30.65], [-93.5, 30.75], [-92.97, 30.53], [-92.75, 30.0], [-92.97, 29.47], [-93.5, 29.25], [-93.75, 29.35], [-93.82, 29.32], [-93.85, 29.25], [-93.82, 29.18], [-93.47, 29.03], [-93.32, 28.68], [-93.25, 28.65], [-93.0, 28.75], [-92.47, 28.53], [-92.32, 28.18], [-91.97, 28.03], [-91.75, 27.5], [-91.85, 27.25], [-91.75, 27.0], [-91.85, 26.75], [-91.75, 26.5], [-91.97, 25.97], [-92.5, 25.75], [-92.75, 25.85], [-93.0, 25.75], [-93.53, 25.97], [-93.68, 26.32], [-93.75, 26.35], [-94.0, 26.25], [-94.53, 26.47], [-94.75, 27.0], [-94.65, 27.25], [-94.68, 27.32], [-94.75, 27.35], [-95.0, 27.25], [-95.25, 27.35], [-95.5, 27.25], [-96.03, 27.47], [-96.25, 28.0], [-96.04, 28.5], [-96.25, 29.0], [-96.03, 29.53]]]]}, "2016-09-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-96.03, 29.53], [-95.68, 29.68], [-95.53, 30.03], [-95.0, 30.25], [-94.75, 30.15], [-94.68, 30.18], [-94.53, 30.53], [-94.0, 30.75], [-93.75, 30.65], [-93.5, 30.75], [-92.97, 30.53], [-92.75, 30.0], [-92.97, 29.47], [-93.5, 29.25], [-93.75, 29.35], [-93.82, 29.32], [-93.85, 29.25], [-93.82, 29.18], [-93.47, 29.03], [-93.32, 28.68], [-93.25, 28.65], [-93.0, 28.75], [-92.47, 28.53], [-92.32, 28.18], [-91.97, 28.03], [-91.75, 27.5], [-91.85, 27.25], [-91.75, 27.0], [-91.85, 26.75], [-91.75, 26.5], [-91.97, 25.97], [-92.5, 25.75], [-92.75, 25.85], [-93.0, 25.75], [-93.53, 25.97], [-93.68, 26.32], [-93.75, 26.35], [-94.0, 26.25], [-94.53, 26.47], [-94.75, 27.0], [-94.65, 27.25], [-94.68, 27.32], [-94.75, 27.35], [-95.0, 27.25], [-95.25, 27.35], [-95.5, 27.25], [-96.03, 27.47], [-96.25, 28.0], [-96.04, 28.5], [-96.25, 29.0], [-96.03, 29.53]]]]}, "2016-09-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-96.25, 29.0], [-96.03, 29.53], [-95.68, 29.68], [-95.53, 30.03], [-95.0, 30.25], [-94.75, 30.15], [-94.68, 30.18], [-94.53, 30.53], [-94.0, 30.75], [-93.75, 30.65], [-93.5, 30.75], [-92.97, 30.53], [-92.75, 30.0], [-92.97, 29.47], [-93.5, 29.25], [-93.75, 29.35], [-93.82, 29.32], [-93.85, 29.25], [-93.75, 29.0], [-93.97, 28.47], [-94.32, 28.32], [-94.35, 28.25], [-94.25, 28.0], [-94.47, 27.47], [-95.0, 27.25], [-95.53, 27.47], [-95.75, 28.0], [-95.65, 28.25], [-95.68, 28.32], [-96.03, 28.47], [-96.25, 29.0]]]]}, "2016-09-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-94.53, 29.47], [-94.75, 30.0], [-94.53, 30.53], [-94.0, 30.75], [-93.75, 30.65], [-93.5, 30.75], [-92.97, 30.53], [-92.75, 30.0], [-92.97, 29.47], [-93.5, 29.25], [-93.75, 29.35], [-94.0, 29.25], [-94.53, 29.47]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.0067139344698717}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.4687634685541728}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [29.127799185551453, 29.258500462632128, 29.029097182577743, 28.871870866431095, 28.51000743176644]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [29.257246366991637, 29.481989286519763, 29.25799689993255, 28.996227688652823, 28.68917632327151]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.2700734465714791, 1.5850535333272917, 1.4208777483571304, 1.596918741900159, 1.8903634678438266]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.3638160954649265, 1.8728632960319374, 1.964741227127547, 2.0067139344698717, 1.9548228905039196]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5167781840746262, 1.6785055639283935, 1.4946138634303219, 1.35568492141018, 1.279550456070567]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.629775355092731, 1.929852223129223, 1.7719359136006179, 1.480550653531604, 1.3096458193200615]}}