{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:19:02.340332", "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": "2019-Jan-20_to_2019-Jan-27_275.0_12.0"}, "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": 2019010002258}, "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": "January 20 2019"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 27 2019"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 8}, "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": 107916.18868849805}, "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": ["Honduras", "Nicaragua"]}, "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": ["Caribbean Sea"]}, "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": 12.0}, "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": 275.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "275.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 273.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 277.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 10.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 16.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2019-01-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-83.5, 11.75], [-82.97, 11.53], [-82.75, 11.0], [-82.97, 10.47], [-83.5, 10.25], [-84.03, 10.47], [-84.25, 11.0], [-84.03, 11.53], [-83.5, 11.75]]]]}, "2019-01-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-83.5, 11.75], [-82.97, 11.53], [-82.75, 11.0], [-82.97, 10.47], [-83.5, 10.25], [-84.03, 10.47], [-84.25, 11.0], [-84.03, 11.53], [-83.5, 11.75]]]]}, "2019-01-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-83.5, 11.75], [-82.97, 11.53], [-82.75, 11.0], [-82.97, 10.47], [-83.5, 10.25], [-84.03, 10.47], [-84.25, 11.0], [-84.03, 11.53], [-83.5, 11.75]]]]}, "2019-01-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-85.65, 13.75], [-85.75, 14.0], [-85.65, 14.25], [-85.75, 14.5], [-85.53, 15.03], [-85.18, 15.18], [-85.15, 15.25], [-85.18, 15.32], [-85.53, 15.47], [-85.75, 16.0], [-85.53, 16.53], [-85.18, 16.68], [-85.03, 17.03], [-84.5, 17.25], [-84.25, 17.15], [-84.0, 17.25], [-83.47, 17.03], [-83.32, 16.68], [-83.25, 16.65], [-83.0, 16.75], [-82.47, 16.53], [-82.25, 16.0], [-82.35, 15.75], [-82.25, 15.5], [-82.47, 14.97], [-82.82, 14.82], [-82.85, 14.75], [-82.75, 14.5], [-82.85, 14.25], [-82.75, 14.0], [-82.97, 13.47], [-83.32, 13.32], [-83.35, 13.25], [-83.25, 13.0], [-83.46, 12.5], [-83.32, 12.18], [-82.97, 12.03], [-82.75, 11.5], [-82.97, 10.97], [-83.5, 10.75], [-83.75, 10.85], [-84.0, 10.75], [-84.53, 10.97], [-84.7, 11.38], [-85.0, 11.25], [-85.53, 11.47], [-85.75, 12.0], [-85.54, 12.5], [-85.75, 13.0], [-85.65, 13.25], [-85.75, 13.5], [-85.65, 13.75]]]]}, "2019-01-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-86.25, 12.5], [-86.03, 13.03], [-85.68, 13.18], [-85.65, 13.25], [-85.68, 13.32], [-86.03, 13.47], [-86.25, 14.0], [-86.03, 14.53], [-85.68, 14.68], [-85.65, 14.75], [-85.75, 15.0], [-85.54, 15.5], [-85.75, 16.0], [-85.53, 16.53], [-85.18, 16.68], [-85.03, 17.03], [-84.5, 17.25], [-84.25, 17.15], [-84.0, 17.25], [-83.47, 17.03], [-83.32, 16.68], [-83.25, 16.65], [-83.0, 16.75], [-82.47, 16.53], [-82.25, 16.0], [-82.35, 15.75], [-82.25, 15.5], [-82.47, 14.97], [-82.82, 14.82], [-82.85, 14.75], [-82.75, 14.5], [-82.85, 14.25], [-82.75, 14.0], [-82.97, 13.47], [-83.32, 13.32], [-83.35, 13.25], [-83.25, 13.0], [-83.46, 12.5], [-83.32, 12.18], [-82.97, 12.03], [-82.75, 11.5], [-82.97, 10.97], [-83.5, 10.75], [-83.75, 10.85], [-84.0, 10.75], [-84.25, 10.85], [-84.5, 10.75], [-85.03, 10.97], [-85.18, 11.32], [-85.53, 11.47], [-85.68, 11.82], [-86.03, 11.97], [-86.25, 12.5]]]]}, "2019-01-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-86.53, 14.03], [-86.18, 14.18], [-86.03, 14.53], [-85.68, 14.68], [-85.65, 14.75], [-85.75, 15.0], [-85.54, 15.5], [-85.75, 16.0], [-85.53, 16.53], [-85.18, 16.68], [-85.03, 17.03], [-84.5, 17.25], [-84.25, 17.15], [-84.0, 17.25], [-83.47, 17.03], [-83.32, 16.68], [-83.25, 16.65], [-83.0, 16.75], [-82.47, 16.53], [-82.25, 16.0], [-82.35, 15.75], [-82.25, 15.5], [-82.47, 14.97], [-82.82, 14.82], [-82.85, 14.75], [-82.75, 14.5], [-82.85, 14.25], [-82.75, 14.0], [-82.97, 13.47], [-83.32, 13.32], [-83.35, 13.25], [-83.25, 13.0], [-83.46, 12.5], [-83.32, 12.18], [-82.97, 12.03], [-82.75, 11.5], [-82.97, 10.97], [-83.5, 10.75], [-83.75, 10.85], [-84.0, 10.75], [-84.25, 10.85], [-84.5, 10.75], [-85.03, 10.97], [-85.18, 11.32], [-85.53, 11.47], [-85.68, 11.82], [-86.03, 11.97], [-86.18, 12.32], [-86.53, 12.47], [-86.75, 13.0], [-86.65, 13.25], [-86.75, 13.5], [-86.53, 14.03]]]]}, "2019-01-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-86.53, 14.03], [-86.18, 14.18], [-86.03, 14.53], [-85.68, 14.68], [-85.65, 14.75], [-85.75, 15.0], [-85.53, 15.53], [-85.0, 15.75], [-84.75, 15.65], [-84.5, 15.75], [-84.25, 15.65], [-84.0, 15.75], [-83.75, 15.65], [-83.5, 15.75], [-82.97, 15.53], [-82.75, 15.0], [-82.85, 14.75], [-82.75, 14.5], [-82.85, 14.25], [-82.75, 14.0], [-82.97, 13.47], [-83.32, 13.32], [-83.35, 13.25], [-83.25, 13.0], [-83.46, 12.5], [-83.25, 12.0], [-83.35, 11.75], [-83.25, 11.5], [-83.47, 10.97], [-84.0, 10.75], [-84.25, 10.85], [-84.5, 10.75], [-85.03, 10.97], [-85.18, 11.32], [-85.53, 11.47], [-85.68, 11.82], [-86.03, 11.97], [-86.18, 12.32], [-86.53, 12.47], [-86.75, 13.0], [-86.65, 13.25], [-86.75, 13.5], [-86.53, 14.03]], [[-84.68, 12.82], [-84.75, 12.85], [-84.87, 12.8], [-84.82, 12.68], [-84.57, 12.57], [-84.68, 12.82]]]]}, "2019-01-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-86.53, 14.03], [-86.0, 14.25], [-85.75, 14.15], [-85.5, 14.25], [-84.97, 14.03], [-84.75, 13.5], [-84.96, 13.0], [-84.82, 12.68], [-84.5, 12.54], [-84.0, 12.75], [-83.47, 12.53], [-83.25, 12.0], [-83.47, 11.47], [-83.82, 11.32], [-83.97, 10.97], [-84.5, 10.75], [-85.03, 10.97], [-85.18, 11.32], [-85.53, 11.47], [-85.68, 11.82], [-86.03, 11.97], [-86.18, 12.32], [-86.53, 12.47], [-86.75, 13.0], [-86.65, 13.25], [-86.75, 13.5], [-86.53, 14.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.6773989136203795}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.1575159780960906}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.404013718906242, 26.4284925334955, 26.397472548065537, 25.459339560134595, 25.29358885596116, 24.937504410209158, 24.40369951171334, 23.59386314442213]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.404013718906242, 26.4284925334955, 26.397472548065537, 26.499568760980594, 26.49073480860818, 26.402867328140303, 26.008711208927423, 25.388716108834274]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.1462699793403317, 1.121231980057928, 1.0530740518003654, 1.1738422750773074, 1.220105278000215, 1.1252406101527122, 1.122451235542762, 1.1093973652363371]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.1462699793403317, 1.121231980057928, 1.0530740518003654, 1.6596865987602314, 1.6773989136203795, 1.571237577813065, 1.3346666064970236, 1.4894144094905641]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5312866414492863, 1.5208765907120663, 1.4247546442058914, 1.486245606800765, 1.54192437466796, 1.4051325741941312, 1.3608895725174268, 1.3935732710768594]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5312866414492863, 1.5208765907120663, 1.4247546442058914, 2.060907426748307, 1.9778657612679225, 1.6972558356263072, 1.5842849895488103, 1.648113914273667]}}