{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:19:58.983328", "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-May-05_to_2020-May-09_302.0_7.0"}, "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": 2020050001277}, "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": "May 05 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 09 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": 55109.20893919225}, "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": ["Guyana", "Venezuela"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.South-America"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["South 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 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": 7.0}, "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": 302.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "302.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 299.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 302.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 6.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 9.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-05-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-60.75, 8.0], [-60.53, 8.53], [-60.0, 8.75], [-59.75, 8.65], [-59.5, 8.75], [-59.25, 8.65], [-59.0, 8.75], [-58.75, 8.65], [-58.5, 8.75], [-58.25, 8.65], [-58.0, 8.75], [-57.47, 8.53], [-57.25, 8.0], [-57.35, 7.75], [-57.25, 7.5], [-57.35, 7.25], [-57.25, 7.0], [-57.47, 6.47], [-58.0, 6.25], [-58.25, 6.35], [-58.5, 6.25], [-59.03, 6.47], [-59.18, 6.82], [-59.25, 6.85], [-59.5, 6.75], [-60.03, 6.97], [-60.18, 7.32], [-60.53, 7.47], [-60.75, 8.0]]]]}, "2020-05-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-61.03, 9.53], [-60.5, 9.75], [-60.25, 9.65], [-60.0, 9.75], [-59.47, 9.53], [-59.32, 9.18], [-59.25, 9.15], [-59.0, 9.25], [-58.47, 9.03], [-58.32, 8.68], [-58.25, 8.65], [-58.0, 8.75], [-57.47, 8.53], [-57.25, 8.0], [-57.35, 7.75], [-57.25, 7.5], [-57.35, 7.25], [-57.25, 7.0], [-57.47, 6.47], [-58.0, 6.25], [-58.25, 6.35], [-58.5, 6.25], [-59.03, 6.47], [-59.18, 6.82], [-59.25, 6.85], [-59.5, 6.75], [-60.03, 6.97], [-60.18, 7.32], [-60.25, 7.35], [-60.5, 7.25], [-61.03, 7.47], [-61.25, 8.0], [-61.04, 8.5], [-61.25, 9.0], [-61.03, 9.53]]]]}, "2020-05-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-61.03, 9.53], [-60.5, 9.75], [-60.25, 9.65], [-60.0, 9.75], [-59.47, 9.53], [-59.32, 9.18], [-59.25, 9.15], [-59.0, 9.25], [-58.47, 9.03], [-58.32, 8.68], [-58.25, 8.65], [-58.0, 8.75], [-57.47, 8.53], [-57.25, 8.0], [-57.35, 7.75], [-57.25, 7.5], [-57.35, 7.25], [-57.25, 7.0], [-57.47, 6.47], [-57.82, 6.32], [-57.97, 5.97], [-58.5, 5.75], [-59.03, 5.97], [-59.25, 6.5], [-59.15, 6.75], [-59.18, 6.82], [-59.25, 6.85], [-59.5, 6.75], [-60.03, 6.97], [-60.18, 7.32], [-60.25, 7.35], [-60.5, 7.25], [-61.03, 7.47], [-61.25, 8.0], [-61.04, 8.5], [-61.25, 9.0], [-61.03, 9.53]]]]}, "2020-05-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-61.03, 9.53], [-60.5, 9.75], [-60.25, 9.65], [-60.0, 9.75], [-59.47, 9.53], [-59.32, 9.18], [-59.25, 9.15], [-59.0, 9.25], [-58.47, 9.03], [-58.32, 8.68], [-58.25, 8.65], [-58.0, 8.75], [-57.47, 8.53], [-57.25, 8.0], [-57.35, 7.75], [-57.25, 7.5], [-57.35, 7.25], [-57.25, 7.0], [-57.47, 6.47], [-57.82, 6.32], [-57.97, 5.97], [-58.5, 5.75], [-59.03, 5.97], [-59.25, 6.5], [-59.15, 6.75], [-59.18, 6.82], [-59.25, 6.85], [-59.5, 6.75], [-60.03, 6.97], [-60.18, 7.32], [-60.25, 7.35], [-60.5, 7.25], [-61.03, 7.47], [-61.25, 8.0], [-61.04, 8.5], [-61.25, 9.0], [-61.03, 9.53]]]]}, "2020-05-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-59.03, 7.53], [-58.5, 7.75], [-58.25, 7.65], [-58.0, 7.75], [-57.47, 7.53], [-57.25, 7.0], [-57.47, 6.47], [-57.82, 6.32], [-57.97, 5.97], [-58.5, 5.75], [-59.03, 5.97], [-59.25, 6.5], [-59.15, 6.75], [-59.25, 7.0], [-59.03, 7.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.4785063504634763}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 0.8800300825555037}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.284789162010384, 27.223364430674792, 27.266212497693687, 27.259615587767087, 26.996169707566025]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.504936273126873, 27.62618547719694, 27.797296361701285, 27.75745398282993, 27.244669259871387]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.9328121799746948, 0.8300930553476145, 0.9019783392806807, 0.8949210581130463, 0.7484368191668599]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.2709160056104452, 1.3016674507312018, 1.4458972217703945, 1.4785063504634763, 0.8392411188017945]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.7013451874014471, 1.5151925673171074, 1.6278779666991863, 1.636488469517659, 1.4592581756873495]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.0827547425713306, 1.8994846254933735, 2.0989201437982388, 1.9661639195819927, 1.5062303524462104]}}