{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:21:50.120155", "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-15_to_2020-Oct-19_275.0_9.0"}, "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": 2020100001868}, "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 15 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 19 2020"}, "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": 88649.6434794953}, "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": ["Costa Rica"]}, "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": ["North Pacific 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": 9.0}, "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": 273.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 278.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 6.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 10.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-10-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-84.25, 7.5], [-84.03, 8.03], [-83.5, 8.25], [-83.25, 8.15], [-83.0, 8.25], [-82.47, 8.03], [-82.25, 7.5], [-82.35, 7.25], [-82.25, 7.0], [-82.47, 6.47], [-83.0, 6.25], [-83.53, 6.47], [-83.68, 6.82], [-84.03, 6.97], [-84.25, 7.5]]]]}, "2020-10-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-87.25, 9.5], [-87.03, 10.03], [-86.5, 10.25], [-86.25, 10.15], [-86.0, 10.25], [-85.75, 10.15], [-85.68, 10.18], [-85.53, 10.53], [-85.0, 10.75], [-84.47, 10.53], [-84.25, 10.0], [-84.35, 9.75], [-84.32, 9.68], [-84.25, 9.65], [-84.0, 9.75], [-83.47, 9.53], [-83.32, 9.18], [-82.97, 9.03], [-82.82, 8.68], [-82.75, 8.65], [-82.5, 8.75], [-82.25, 8.65], [-82.0, 8.75], [-81.47, 8.53], [-81.25, 8.0], [-81.47, 7.47], [-82.0, 7.25], [-82.25, 7.35], [-82.32, 7.32], [-82.35, 7.25], [-82.25, 7.0], [-82.47, 6.47], [-83.0, 6.25], [-83.53, 6.47], [-83.68, 6.82], [-84.0, 6.96], [-84.5, 6.75], [-85.03, 6.97], [-85.18, 7.32], [-85.25, 7.35], [-85.5, 7.25], [-86.03, 7.47], [-86.18, 7.82], [-86.53, 7.97], [-86.75, 8.5], [-86.65, 8.75], [-86.68, 8.82], [-87.03, 8.97], [-87.25, 9.5]]]]}, "2020-10-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-87.03, 10.03], [-86.5, 10.25], [-86.25, 10.15], [-86.0, 10.25], [-85.75, 10.15], [-85.68, 10.18], [-85.53, 10.53], [-85.0, 10.75], [-84.47, 10.53], [-84.25, 10.0], [-84.35, 9.75], [-84.32, 9.68], [-84.25, 9.65], [-84.0, 9.75], [-83.47, 9.53], [-83.32, 9.18], [-82.97, 9.03], [-82.82, 8.68], [-82.75, 8.65], [-82.5, 8.75], [-82.25, 8.65], [-82.0, 8.75], [-81.47, 8.53], [-81.25, 8.0], [-81.47, 7.47], [-82.0, 7.25], [-82.25, 7.35], [-82.32, 7.32], [-82.35, 7.25], [-82.25, 7.0], [-82.47, 6.47], [-83.0, 6.25], [-83.53, 6.47], [-83.68, 6.82], [-84.0, 6.96], [-84.5, 6.75], [-85.03, 6.97], [-85.18, 7.32], [-85.25, 7.35], [-85.5, 7.25], [-86.03, 7.47], [-86.18, 7.82], [-86.53, 7.97], [-86.68, 8.32], [-87.03, 8.47], [-87.25, 9.0], [-87.15, 9.25], [-87.25, 9.5], [-87.03, 10.03]]]]}, "2020-10-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-87.03, 10.03], [-86.5, 10.25], [-86.25, 10.15], [-86.0, 10.25], [-85.75, 10.15], [-85.68, 10.18], [-85.53, 10.53], [-85.0, 10.75], [-84.47, 10.53], [-84.25, 10.0], [-84.35, 9.75], [-84.32, 9.68], [-84.25, 9.65], [-84.0, 9.75], [-83.47, 9.53], [-83.32, 9.18], [-82.97, 9.03], [-82.82, 8.68], [-82.75, 8.65], [-82.5, 8.75], [-82.25, 8.65], [-82.0, 8.75], [-81.47, 8.53], [-81.25, 8.0], [-81.47, 7.47], [-82.0, 7.25], [-82.25, 7.35], [-82.5, 7.25], [-82.75, 7.35], [-83.0, 7.25], [-83.25, 7.35], [-83.5, 7.25], [-83.75, 7.35], [-83.82, 7.32], [-83.97, 6.97], [-84.5, 6.75], [-85.03, 6.97], [-85.18, 7.32], [-85.25, 7.35], [-85.5, 7.25], [-86.03, 7.47], [-86.18, 7.82], [-86.53, 7.97], [-86.68, 8.32], [-87.03, 8.47], [-87.25, 9.0], [-87.15, 9.25], [-87.25, 9.5], [-87.03, 10.03]]]]}, "2020-10-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-86.0, 10.25], [-85.75, 10.15], [-85.5, 10.25], [-84.97, 10.03], [-84.82, 9.68], [-84.47, 9.53], [-84.25, 9.0], [-84.47, 8.47], [-84.82, 8.32], [-84.97, 7.97], [-85.5, 7.75], [-86.03, 7.97], [-86.18, 8.32], [-86.25, 8.35], [-86.5, 8.25], [-87.03, 8.47], [-87.25, 9.0], [-87.03, 9.53], [-86.68, 9.68], [-86.53, 10.03], [-86.0, 10.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.6066655999952673}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.068983317041846}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.56373240888388, 26.77776320498907, 27.153182341132435, 26.9430033594806, 26.7992910726457]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.619061112850318, 27.105708762971574, 27.674340872876485, 27.77764993731381, 26.924089410498482]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.7303590647579578, 0.9207043767723714, 1.2964172176205677, 1.0874631641956616, 0.7963581658439612]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [0.7887022160677475, 1.1280695373761773, 1.5839910802273494, 1.6066655999952673, 0.8696021363861064]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5208390618981664, 1.6752766087413613, 2.3296129358197852, 1.9267342693725047, 1.3879629283886274]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6048182431520117, 2.0243214133827947, 2.7952531556016664, 2.5282587924682716, 1.5054204132328257]}}