{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:21:46.318893", "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": "2020-Oct-07_to_2020-Oct-10_69.5_-76.0"}, "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": 2020100001366}, "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": "October 07 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 10 2020"}, "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": 67167.8396940129}, "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": ["Antarctica"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.Antarctica"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Antarctica"]}, "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": -76.0}, "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": 69.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "69.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 55.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 69.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -77.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -73.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-10-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[60.97, -73.47], [61.5, -73.25], [62.03, -73.47], [62.18, -73.82], [62.53, -73.97], [62.68, -74.32], [62.75, -74.35], [63.0, -74.25], [63.53, -74.47], [63.68, -74.82], [63.75, -74.85], [64.0, -74.75], [64.25, -74.85], [64.5, -74.75], [64.75, -74.85], [65.0, -74.75], [65.25, -74.85], [65.5, -74.75], [65.75, -74.85], [66.0, -74.75], [66.25, -74.85], [66.5, -74.75], [66.75, -74.85], [67.0, -74.75], [67.25, -74.85], [67.5, -74.75], [68.03, -74.97], [68.18, -75.32], [68.25, -75.35], [68.5, -75.25], [68.75, -75.35], [69.0, -75.25], [69.25, -75.35], [69.5, -75.25], [70.03, -75.47], [70.25, -76.0], [70.03, -76.53], [69.5, -76.75], [69.25, -76.65], [69.0, -76.75], [68.75, -76.65], [68.5, -76.75], [68.25, -76.65], [68.0, -76.75], [67.75, -76.65], [67.5, -76.75], [67.25, -76.65], [67.0, -76.75], [66.75, -76.65], [66.68, -76.68], [66.53, -77.03], [66.0, -77.25], [65.75, -77.15], [65.5, -77.25], [65.25, -77.15], [65.0, -77.25], [64.47, -77.03], [64.32, -76.68], [64.25, -76.65], [64.0, -76.75], [63.47, -76.53], [63.32, -76.18], [63.25, -76.15], [63.0, -76.25], [62.47, -76.03], [62.32, -75.68], [61.97, -75.53], [61.82, -75.18], [61.75, -75.15], [61.5, -75.25], [60.97, -75.03], [60.75, -74.5], [60.85, -74.25], [60.75, -74.0], [60.97, -73.47]]]]}, "2020-10-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[54.97, -76.03], [54.75, -75.5], [54.97, -74.97], [55.5, -74.75], [55.75, -74.85], [56.0, -74.75], [56.25, -74.85], [56.5, -74.75], [57.03, -74.97], [57.18, -75.32], [57.25, -75.35], [57.5, -75.25], [57.75, -75.35], [58.0, -75.25], [58.25, -75.35], [58.5, -75.25], [58.75, -75.35], [59.0, -75.25], [59.25, -75.35], [59.5, -75.25], [60.0, -75.46], [60.5, -75.25], [60.75, -75.35], [61.0, -75.25], [61.25, -75.35], [61.5, -75.25], [60.97, -75.03], [60.75, -74.5], [60.85, -74.25], [60.75, -74.0], [60.97, -73.47], [61.5, -73.25], [62.03, -73.47], [62.18, -73.82], [62.53, -73.97], [62.68, -74.32], [62.75, -74.35], [63.0, -74.25], [63.53, -74.47], [63.68, -74.82], [63.75, -74.85], [64.0, -74.75], [64.25, -74.85], [64.5, -74.75], [64.75, -74.85], [65.0, -74.75], [65.25, -74.85], [65.5, -74.75], [65.75, -74.85], [66.0, -74.75], [66.25, -74.85], [66.5, -74.75], [66.75, -74.85], [67.0, -74.75], [67.25, -74.85], [67.5, -74.75], [68.03, -74.97], [68.18, -75.32], [68.25, -75.35], [68.5, -75.25], [68.75, -75.35], [69.0, -75.25], [69.25, -75.35], [69.5, -75.25], [70.03, -75.47], [70.25, -76.0], [70.03, -76.53], [69.5, -76.75], [69.25, -76.65], [69.0, -76.75], [68.75, -76.65], [68.5, -76.75], [68.25, -76.65], [68.13, -76.7], [68.18, -76.82], [68.53, -76.97], [68.75, -77.5], [68.53, -78.03], [68.0, -78.25], [67.75, -78.15], [67.5, -78.25], [67.25, -78.15], [67.0, -78.25], [66.75, -78.15], [66.5, -78.25], [66.25, -78.15], [66.0, -78.25], [65.75, -78.15], [65.5, -78.25], [64.97, -78.03], [64.82, -77.68], [64.75, -77.65], [64.5, -77.75], [64.25, -77.65], [64.0, -77.75], [63.75, -77.65], [63.68, -77.68], [63.53, -78.03], [63.0, -78.25], [62.5, -78.04], [62.0, -78.25], [61.75, -78.15], [61.5, -78.25], [61.25, -78.15], [61.0, -78.25], [60.75, -78.15], [60.5, -78.25], [59.97, -78.03], [59.82, -77.68], [59.75, -77.65], [59.5, -77.75], [59.25, -77.65], [59.0, -77.75], [58.75, -77.65], [58.5, -77.75], [57.97, -77.53], [57.82, -77.18], [57.75, -77.15], [57.5, -77.25], [56.97, -77.03], [56.82, -76.68], [56.75, -76.65], [56.5, -76.75], [55.97, -76.53], [55.82, -76.18], [55.75, -76.15], [55.5, -76.25], [54.97, -76.03]], [[61.75, -75.35], [61.88, -75.3], [61.82, -75.18], [61.75, -75.15], [61.5, -75.25], [61.75, -75.35]]]]}, "2020-10-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[54.97, -76.03], [54.75, -75.5], [54.97, -74.97], [55.5, -74.75], [55.75, -74.85], [56.0, -74.75], [56.25, -74.85], [56.5, -74.75], [57.03, -74.97], [57.18, -75.32], [57.25, -75.35], [57.5, -75.25], [57.75, -75.35], [58.0, -75.25], [58.25, -75.35], [58.5, -75.25], [58.75, -75.35], [59.0, -75.25], [59.25, -75.35], [59.5, -75.25], [60.0, -75.46], [60.5, -75.25], [60.75, -75.35], [61.0, -75.25], [61.25, -75.35], [61.5, -75.25], [60.97, -75.03], [60.75, -74.5], [60.85, -74.25], [60.75, -74.0], [60.97, -73.47], [61.5, -73.25], [62.03, -73.47], [62.18, -73.82], [62.53, -73.97], [62.68, -74.32], [62.75, -74.35], [63.0, -74.25], [63.53, -74.47], [63.68, -74.82], [63.75, -74.85], [64.0, -74.75], [64.25, -74.85], [64.5, -74.75], [64.75, -74.85], [65.0, -74.75], [65.25, -74.85], [65.5, -74.75], [65.75, -74.85], [66.0, -74.75], [66.25, -74.85], [66.5, -74.75], [66.75, -74.85], [67.0, -74.75], [67.25, -74.85], [67.5, -74.75], [68.03, -74.97], [68.18, -75.32], [68.25, -75.35], [68.5, -75.25], [68.75, -75.35], [69.0, -75.25], [69.25, -75.35], [69.5, -75.25], [70.03, -75.47], [70.25, -76.0], [70.03, -76.53], [69.5, -76.75], [69.25, -76.65], [69.0, -76.75], [68.75, -76.65], [68.5, -76.75], [68.25, -76.65], [68.13, -76.7], [68.18, -76.82], [68.53, -76.97], [68.75, -77.5], [68.53, -78.03], [68.0, -78.25], [67.75, -78.15], [67.5, -78.25], [67.25, -78.15], [67.0, -78.25], [66.75, -78.15], [66.5, -78.25], [66.25, -78.15], [66.0, -78.25], [65.75, -78.15], [65.5, -78.25], [64.97, -78.03], [64.82, -77.68], [64.75, -77.65], [64.5, -77.75], [64.25, -77.65], [64.0, -77.75], [63.75, -77.65], [63.68, -77.68], [63.53, -78.03], [63.0, -78.25], [62.5, -78.04], [62.0, -78.25], [61.75, -78.15], [61.5, -78.25], [61.25, -78.15], [61.0, -78.25], [60.75, -78.15], [60.5, -78.25], [59.97, -78.03], [59.82, -77.68], [59.75, -77.65], [59.5, -77.75], [59.25, -77.65], [59.0, -77.75], [58.75, -77.65], [58.5, -77.75], [57.97, -77.53], [57.82, -77.18], [57.75, -77.15], [57.5, -77.25], [56.97, -77.03], [56.82, -76.68], [56.75, -76.65], [56.5, -76.75], [55.97, -76.53], [55.82, -76.18], [55.75, -76.15], [55.5, -76.25], [54.97, -76.03]], [[61.75, -75.35], [61.88, -75.3], [61.82, -75.18], [61.75, -75.15], [61.5, -75.25], [61.75, -75.35]]]]}, "2020-10-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[54.97, -76.03], [54.75, -75.5], [54.97, -74.97], [55.5, -74.75], [55.75, -74.85], [56.0, -74.75], [56.25, -74.85], [56.5, -74.75], [57.03, -74.97], [57.18, -75.32], [57.25, -75.35], [57.5, -75.25], [57.75, -75.35], [58.0, -75.25], [58.25, -75.35], [58.5, -75.25], [58.75, -75.35], [59.0, -75.25], [59.25, -75.35], [59.5, -75.25], [60.0, -75.46], [60.5, -75.25], [60.75, -75.35], [61.0, -75.25], [61.25, -75.35], [61.5, -75.25], [61.75, -75.35], [62.0, -75.25], [62.25, -75.35], [62.5, -75.25], [62.75, -75.35], [63.0, -75.25], [63.25, -75.35], [63.5, -75.25], [63.75, -75.35], [64.0, -75.25], [64.53, -75.47], [64.68, -75.82], [64.75, -75.85], [64.82, -75.82], [64.97, -75.47], [65.5, -75.25], [65.75, -75.35], [66.0, -75.25], [66.25, -75.35], [66.5, -75.25], [66.75, -75.35], [67.0, -75.25], [67.25, -75.35], [67.5, -75.25], [67.75, -75.35], [68.0, -75.25], [68.25, -75.35], [68.5, -75.25], [68.75, -75.35], [69.0, -75.25], [69.25, -75.35], [69.5, -75.25], [70.03, -75.47], [70.25, -76.0], [70.03, -76.53], [69.5, -76.75], [69.25, -76.65], [69.0, -76.75], [68.75, -76.65], [68.5, -76.75], [68.25, -76.65], [68.13, -76.7], [68.18, -76.82], [68.53, -76.97], [68.75, -77.5], [68.53, -78.03], [68.0, -78.25], [67.75, -78.15], [67.5, -78.25], [67.25, -78.15], [67.0, -78.25], [66.75, -78.15], [66.5, -78.25], [66.25, -78.15], [66.0, -78.25], [65.75, -78.15], [65.5, -78.25], [64.97, -78.03], [64.82, -77.68], [64.75, -77.65], [64.5, -77.75], [64.25, -77.65], [64.0, -77.75], [63.75, -77.65], [63.68, -77.68], [63.53, -78.03], [63.0, -78.25], [62.5, -78.04], [62.0, -78.25], [61.75, -78.15], [61.5, -78.25], [61.25, -78.15], [61.0, -78.25], [60.75, -78.15], [60.5, -78.25], [59.97, -78.03], [59.82, -77.68], [59.75, -77.65], [59.5, -77.75], [59.25, -77.65], [59.0, -77.75], [58.75, -77.65], [58.5, -77.75], [57.97, -77.53], [57.82, -77.18], [57.75, -77.15], [57.5, -77.25], [56.97, -77.03], [56.82, -76.68], [56.75, -76.65], [56.5, -76.75], [55.97, -76.53], [55.82, -76.18], [55.75, -76.15], [55.5, -76.25], [54.97, -76.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 7.413743585931229}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 5.8426248737840725}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [-32.68512310026824, -36.35951431689344, -36.57894897794958, -36.97557640281474]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [-30.56041681827739, -30.29551623952159, -30.912488922813623, -32.37524153392576]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [6.184723861900577, 5.929680668231808, 5.543854818451437, 5.9654881052229305]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [7.413743585931229, 6.419073814275464, 6.273179297626683, 7.026571275587372]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5557737948767232, 1.466718446134091, 1.384832658778749, 1.4862058030987015]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.745133131196848, 1.6785917621269115, 1.4897470042999021, 1.7134223986236135]}}