{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-03-19 18:13:23.347193", "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-24_to_2020-May-26_289.0_-4.5"}, "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": 2020050000616}, "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 24 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 26 2020"}, "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": "Cold spell"}, "area": {"name": "Area", "description": "The area (in square meters) encompassing all grid points under the influence of an event during its lifetime.", "value": 83233.69704754479}, "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": ["Brazil", "Colombia", "Peru"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["America", "America", "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": -4.5}, "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": 289.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "289.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 288.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 293.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -5.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -3.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "Polygon", "coordinates": [[[-72.53, -3.47], [-72.0, -3.25], [-71.75, -3.354], [-71.5, -3.25], [-71.25, -3.354], [-71.177, -3.323], [-71.03, -2.97], [-70.5, 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describing the boundary of the event at each time step", "value": {"2020-05-24T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[-72.64644660940672, -4.25], [-72.75, -4.0], [-72.53033008588989, -3.4696699141100895], [-72.0, -3.25], [-71.75, -3.3535533905932784], [-71.5, -3.25], [-71.25, -3.3535533905932784], [-71.17677669529661, -3.323223304703363], [-71.03033008588989, -2.9696699141100895], [-70.5, -2.75], [-70.25, -2.8535533905932784], [-70.0, -2.75], [-69.75, -2.8535533905932784], [-69.5, -2.75], [-69.25, -2.8535533905932784], [-69.0, -2.75], [-68.75, -2.8535533905932784], [-68.5, -2.75], [-68.25, -2.8535533905932784], [-68.0, -2.75], [-67.46966991411011, -2.9696699141100895], [-67.32322330470339, -3.323223304703363], [-66.96966991411011, -3.4696699141100895], [-66.75, -4.0], [-66.85355339059328, -4.25], [-66.82322330470339, -4.3232233047033635], [-66.46966991411011, -4.4696699141100895], [-66.25, -5.0], [-66.46966991411011, -5.5303300858899105], [-67.0, -5.75], [-67.25, 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mean t2m.", "value": [23.557464816095205, 22.098983846687076, 24.10710004315274]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [22.81848624286397, 21.569595958204502, 23.722806484711043]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-1.828915321902598, -3.2467671603911783, -1.1836254250340221]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-2.5024792328608214, -3.7723814272759455, -1.5947322778272905]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-2.0258512487578133, -3.6044639590258885, -1.3255456685840046]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-2.698563354933664, -4.088947955503976, -1.6977088015141413]}}