{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:54:47.211747", "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-Oct-14_to_2013-Oct-16_315.0_60.5"}, "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": 2013100002193}, "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 14 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 16 2013"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "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": 58823.687589908484}, "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": ["Greenland"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Greenland/Iceland"]}, "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": ["Davis Strait", "Labrador Sea", "North Atlantic Ocean"]}, "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": 60.5}, "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": 315.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "315.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 312.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 318.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 59.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 63.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-10-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-47.53, 62.03], [-47.0, 62.25], [-46.75, 62.15], [-46.5, 62.25], [-46.25, 62.15], [-46.18, 62.18], [-46.03, 62.53], [-45.68, 62.68], [-45.53, 63.03], [-45.0, 63.25], [-44.75, 63.15], [-44.5, 63.25], [-44.25, 63.15], [-44.18, 63.18], [-44.03, 63.53], [-43.5, 63.75], [-43.25, 63.65], [-43.18, 63.68], [-43.03, 64.03], [-42.5, 64.25], [-42.25, 64.15], [-42.0, 64.25], [-41.47, 64.03], [-41.25, 63.5], [-41.47, 62.97], [-41.82, 62.82], [-41.97, 62.47], [-42.32, 62.32], [-42.35, 62.25], [-42.25, 62.0], [-42.35, 61.75], [-42.25, 61.5], [-42.35, 61.25], [-42.25, 61.0], [-42.35, 60.75], [-42.25, 60.5], [-42.47, 59.97], [-42.82, 59.82], [-42.97, 59.47], [-43.5, 59.25], [-43.75, 59.35], [-44.0, 59.25], [-44.25, 59.35], [-44.5, 59.25], [-45.03, 59.47], [-45.18, 59.82], [-45.53, 59.97], [-45.68, 60.32], [-46.03, 60.47], [-46.18, 60.82], [-46.25, 60.85], [-46.32, 60.82], [-46.47, 60.47], [-47.0, 60.25], [-47.53, 60.47], [-47.75, 61.0], [-47.65, 61.25], [-47.75, 61.5], [-47.53, 62.03]]]]}, "2013-10-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-47.53, 62.03], [-47.0, 62.25], [-46.75, 62.15], [-46.5, 62.25], [-46.25, 62.15], [-46.18, 62.18], [-46.03, 62.53], [-45.68, 62.68], [-45.53, 63.03], [-45.0, 63.25], [-44.75, 63.15], [-44.5, 63.25], [-44.25, 63.15], [-44.18, 63.18], [-44.03, 63.53], [-43.5, 63.75], [-43.25, 63.65], [-43.18, 63.68], [-43.03, 64.03], [-42.5, 64.25], [-42.25, 64.15], [-42.0, 64.25], [-41.47, 64.03], [-41.25, 63.5], [-41.47, 62.97], [-41.82, 62.82], [-41.97, 62.47], [-42.32, 62.32], [-42.35, 62.25], [-42.25, 62.0], [-42.35, 61.75], [-42.25, 61.5], [-42.35, 61.25], [-42.25, 61.0], [-42.35, 60.75], [-42.25, 60.5], [-42.47, 59.97], [-42.82, 59.82], [-42.97, 59.47], [-43.5, 59.25], [-43.75, 59.35], [-44.0, 59.25], [-44.25, 59.35], [-44.5, 59.25], [-45.03, 59.47], [-45.18, 59.82], [-45.53, 59.97], [-45.68, 60.32], [-46.03, 60.47], [-46.18, 60.82], [-46.25, 60.85], [-46.32, 60.82], [-46.47, 60.47], [-47.0, 60.25], [-47.53, 60.47], [-47.75, 61.0], [-47.65, 61.25], [-47.75, 61.5], [-47.53, 62.03]]]]}, "2013-10-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-47.53, 62.03], [-47.0, 62.25], [-46.75, 62.15], [-46.5, 62.25], [-46.25, 62.15], [-46.18, 62.18], [-46.03, 62.53], [-45.68, 62.68], [-45.53, 63.03], [-45.0, 63.25], [-44.75, 63.15], [-44.5, 63.25], [-44.25, 63.15], [-44.18, 63.18], [-44.03, 63.53], [-43.5, 63.75], [-43.25, 63.65], [-43.18, 63.68], [-43.03, 64.03], [-42.5, 64.25], [-42.25, 64.15], [-42.0, 64.25], [-41.47, 64.03], [-41.25, 63.5], [-41.47, 62.97], [-41.82, 62.82], [-41.97, 62.47], [-42.32, 62.32], [-42.35, 62.25], [-42.25, 62.0], [-42.35, 61.75], [-42.25, 61.5], [-42.35, 61.25], [-42.25, 61.0], [-42.35, 60.75], [-42.25, 60.5], [-42.47, 59.97], [-42.82, 59.82], [-42.97, 59.47], [-43.5, 59.25], [-43.75, 59.35], [-44.0, 59.25], [-44.25, 59.35], [-44.5, 59.25], [-45.03, 59.47], [-45.18, 59.82], [-45.53, 59.97], [-45.68, 60.32], [-46.03, 60.47], [-46.18, 60.82], [-46.25, 60.85], [-46.32, 60.82], [-46.47, 60.47], [-47.0, 60.25], [-47.53, 60.47], [-47.75, 61.0], [-47.65, 61.25], [-47.75, 61.5], [-47.53, 62.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 10.077984776502205}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 6.921526574302125}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [0.9542241295056897, 1.3849250683022092, -0.31856951840723013]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [8.842357772226421, 9.625550751089008, 6.009942785828514]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [7.233421892969264, 7.65826170104385, 5.8728961288932595]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [9.597291489939153, 10.077984776502205, 7.816467693969059]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [2.0063136708799063, 2.167674175236217, 1.6407026128448752]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.4157982364753425, 2.650194449105184, 2.1120557536600417]}}