{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:46:29.105572", "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-Dec-30_to_2011-Jan-02_270.5_17.0"}, "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": 2010120002763}, "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": "December 30 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 02 2011"}, "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": 102952.70946877473}, "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": ["Guatemala", "Mexico"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.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": []}, "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": 17.0}, "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": 270.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "270.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 266.75}, "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": 15.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 20.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-12-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-92.5, 17.25], [-91.97, 17.03], [-91.75, 16.5], [-91.97, 15.97], [-92.5, 15.75], [-93.03, 15.97], [-93.25, 16.5], [-93.03, 17.03], [-92.5, 17.25]]]]}, "2010-12-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-93.75, 17.5], [-93.53, 18.03], [-93.18, 18.18], [-93.03, 18.53], [-92.5, 18.75], [-92.25, 18.65], [-92.0, 18.75], [-91.75, 18.65], [-91.68, 18.68], [-91.53, 19.03], [-91.18, 19.18], [-91.15, 19.25], [-91.25, 19.5], [-91.03, 20.03], [-90.68, 20.18], [-90.65, 20.25], [-90.75, 20.5], [-90.53, 21.03], [-90.0, 21.25], [-89.47, 21.03], [-89.32, 20.68], [-88.97, 20.53], [-88.75, 20.0], [-88.96, 19.5], [-88.75, 19.0], [-88.85, 18.75], [-88.75, 18.5], [-88.85, 18.25], [-88.75, 18.0], [-88.96, 17.5], [-88.75, 17.0], [-88.97, 16.47], [-89.32, 16.32], [-89.47, 15.97], [-89.82, 15.82], [-89.97, 15.47], [-90.32, 15.32], [-90.47, 14.97], [-91.0, 14.75], [-91.53, 14.97], [-91.75, 15.5], [-91.65, 15.75], [-91.75, 16.0], [-91.65, 16.25], [-91.75, 16.5], [-91.97, 15.97], [-92.5, 15.75], [-93.03, 15.97], [-93.25, 16.5], [-93.15, 16.75], [-93.18, 16.82], [-93.53, 16.97], [-93.75, 17.5]], [[-91.65, 16.75], [-91.75, 17.0], [-91.85, 16.75], [-91.75, 16.5], [-91.65, 16.75]], [[-91.65, 17.25], [-91.68, 17.32], [-91.75, 17.35], [-91.87, 17.3], [-91.75, 17.0], [-91.65, 17.25]]]]}, "2011-01-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-93.75, 17.5], [-93.53, 18.03], [-93.18, 18.18], [-93.03, 18.53], [-92.5, 18.75], [-92.25, 18.65], [-92.0, 18.75], [-91.75, 18.65], [-91.68, 18.68], [-91.53, 19.03], [-91.18, 19.18], [-91.15, 19.25], [-91.25, 19.5], [-91.03, 20.03], [-90.68, 20.18], [-90.65, 20.25], [-90.75, 20.5], [-90.53, 21.03], [-90.0, 21.25], [-89.47, 21.03], [-89.32, 20.68], [-88.97, 20.53], [-88.75, 20.0], [-88.96, 19.5], [-88.75, 19.0], [-88.85, 18.75], [-88.75, 18.5], [-88.85, 18.25], [-88.75, 18.0], [-88.96, 17.5], [-88.75, 17.0], [-88.97, 16.47], [-89.32, 16.32], [-89.47, 15.97], [-89.82, 15.82], [-89.97, 15.47], [-90.32, 15.32], [-90.47, 14.97], [-91.0, 14.75], [-91.53, 14.97], [-91.75, 15.5], [-91.65, 15.75], [-91.75, 16.0], [-91.65, 16.25], [-91.75, 16.5], [-91.97, 15.97], [-92.5, 15.75], [-93.03, 15.97], [-93.25, 16.5], [-93.15, 16.75], [-93.18, 16.82], [-93.53, 16.97], [-93.75, 17.5]], [[-91.65, 16.75], [-91.75, 17.0], [-91.85, 16.75], [-91.75, 16.5], [-91.65, 16.75]], [[-91.65, 17.25], [-91.68, 17.32], [-91.75, 17.35], [-91.87, 17.3], [-91.75, 17.0], [-91.65, 17.25]]]]}, "2011-01-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-93.75, 17.5], [-93.53, 18.03], [-93.18, 18.18], [-93.03, 18.53], [-92.5, 18.75], [-92.25, 18.65], [-92.0, 18.75], [-91.75, 18.65], [-91.68, 18.68], [-91.53, 19.03], [-91.18, 19.18], [-91.15, 19.25], [-91.25, 19.5], [-91.03, 20.03], [-90.68, 20.18], [-90.65, 20.25], [-90.75, 20.5], [-90.53, 21.03], [-90.0, 21.25], [-89.47, 21.03], [-89.32, 20.68], [-88.97, 20.53], [-88.75, 20.0], [-88.96, 19.5], [-88.75, 19.0], [-88.85, 18.75], [-88.75, 18.5], [-88.85, 18.25], [-88.75, 18.0], [-88.96, 17.5], [-88.75, 17.0], [-88.97, 16.47], [-89.32, 16.32], [-89.47, 15.97], [-89.82, 15.82], [-89.97, 15.47], [-90.32, 15.32], [-90.47, 14.97], [-91.0, 14.75], [-91.53, 14.97], [-91.75, 15.5], [-91.65, 15.75], [-91.75, 16.0], [-91.65, 16.25], [-91.75, 16.5], [-91.65, 16.75], [-91.75, 17.0], [-91.97, 16.47], [-92.5, 16.25], [-93.03, 16.47], [-93.18, 16.82], [-93.53, 16.97], [-93.75, 17.5]], [[-91.65, 17.25], [-91.68, 17.32], [-91.75, 17.35], [-91.87, 17.3], [-91.75, 17.0], [-91.65, 17.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.555413696888877}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.1084185836038642}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [19.30696513605102, 26.562466213150344, 26.38760032017069, 25.629416943216313]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [19.30696513605102, 29.514788318262788, 28.93492616329189, 27.884095863292316]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.094928753582451, 3.517269765062916, 3.3156773973246296, 2.5039962306252703]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.094928753582451, 4.555413696888877, 4.070905180634952, 3.0776321745636324]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4484423646006765, 1.9540667569748442, 1.8803619249197132, 1.391230301036808]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4484423646006765, 2.512653921770596, 2.4430224493696686, 1.7847021163981653]}}