{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-03-19 18:22:02.724098", "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": "2021-Jan-16_to_2021-Jan-18_285.0_-6.0"}, "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": 2021010002116}, "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 16 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 18 2021"}, "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": 83021.79926593881}, "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": ["Peru"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["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": -6.0}, "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": 285.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "285.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 283.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 286.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -7.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -4.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "Polygon", "coordinates": [[[-77.25, -5.0], [-77.03, -4.47], [-76.677, -4.323], [-76.53, -3.97], [-76.0, -3.75], [-75.75, -3.854], [-75.5, -3.75], [-75.25, -3.854], [-75.0, -3.75], [-74.75, -3.854], [-74.5, -3.75], [-73.97, -3.97], [-73.75, -4.5], [-73.854, -4.75], [-73.823, -4.823], [-73.47, -4.97], [-73.25, -5.5], [-73.354, -5.75], [-73.25, -6.0], [-73.354, -6.25], [-73.25, -6.5], [-73.354, -6.75], [-73.25, -7.0], [-73.47, -7.53], [-74.0, -7.75], [-74.25, -7.646], [-74.5, -7.75], [-74.802, -7.625], [-74.97, -8.03], [-75.5, -8.25], [-75.75, -8.146], [-76.0, -8.25], [-76.53, -8.03], [-76.75, -7.5], [-76.543, -7.0], [-76.75, -6.5], [-76.543, -6.0], [-76.677, -5.677], [-77.03, -5.53], [-77.25, -5.0]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.W.South-America"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2021-01-16T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[-76.67677669529661, -5.6767766952966365], [-77.03033008588989, -5.5303300858899105], [-77.25, -5.0], [-77.03033008588989, -4.4696699141100895], [-76.67677669529661, -4.3232233047033635], [-76.53033008588989, -3.9696699141100895], [-76.0, -3.75], [-75.75, -3.8535533905932784], [-75.5, -3.75], [-75.25, -3.8535533905932784], [-75.0, -3.75], [-74.75, -3.8535533905932784], [-74.5, -3.75], [-73.96966991411011, -3.9696699141100895], [-73.75, -4.5], [-73.85355339059328, -4.75], [-73.82322330470339, -4.8232233047033635], [-73.46966991411011, -4.9696699141100895], [-73.25, -5.5], [-73.35355339059328, -5.75], [-73.25, -6.0], [-73.35355339059328, -6.25], [-73.25, -6.5], [-73.35355339059328, -6.75], [-73.25, -7.0], [-73.46966991411011, -7.5303300858899105], [-74.0, -7.75], [-74.25, -7.646446609406722], [-74.5, -7.75], [-74.80177669529667, -7.624999999999993], [-74.96966991411011, -8.030330085889911], [-75.5, -8.25], [-75.75, -8.146446609406722], [-76.0, -8.25], [-76.53033008588989, -8.030330085889911], [-76.75, -7.5], [-76.54289321881345, -7.0], [-76.75, -6.5], [-76.54289321881345, -6.0], [-76.67677669529661, -5.6767766952966365]]]}, "2021-01-17T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[-76.67677669529661, -5.6767766952966365], [-77.03033008588989, -5.5303300858899105], [-77.25, -5.0], [-77.03033008588989, -4.4696699141100895], [-76.67677669529661, -4.3232233047033635], [-76.53033008588989, -3.9696699141100895], [-76.0, -3.75], [-75.75, -3.8535533905932784], [-75.5, -3.75], [-75.25, -3.8535533905932784], [-75.0, -3.75], [-74.75, -3.8535533905932784], [-74.5, -3.75], [-73.96966991411011, -3.9696699141100895], [-73.75, -4.5], [-73.85355339059328, -4.75], [-73.82322330470339, -4.8232233047033635], [-73.46966991411011, -4.9696699141100895], [-73.25, -5.5], [-73.35355339059328, -5.75], [-73.25, -6.0], [-73.35355339059328, -6.25], [-73.25, -6.5], [-73.35355339059328, -6.75], [-73.25, -7.0], [-73.46966991411011, -7.5303300858899105], [-74.0, -7.75], [-74.25, -7.646446609406722], [-74.5, -7.75], [-74.80177669529667, -7.624999999999993], [-74.96966991411011, 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[-73.35355339059328, -6.75], [-73.25, -7.0], [-73.46966991411011, -7.5303300858899105], [-74.0, -7.75], [-74.25, -7.646446609406722], [-74.5, -7.75], [-74.80177669529667, -7.624999999999993], [-74.96966991411011, -8.030330085889911], [-75.5, -8.25], [-75.75, -8.146446609406722], [-76.0, -8.25], [-76.53033008588989, -8.030330085889911], [-76.75, -7.5], [-76.54289321881345, -7.0], [-76.75, -6.5], [-76.54289321881345, -6.0], [-76.67677669529661, -5.6767766952966365]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.1729449392677225}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.129880664175729}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.852302254633457, 28.149587354402968, 28.464389811024773]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.713906328076348, 28.836933249585684, 29.468797315401673]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.7991789094443893, 2.122006189684256, 2.4684568933985416]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.206747600245137, 2.485337372686047, 3.1729449392677225]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5921895477027248, 1.896321496488072, 2.264164765709875]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.9180923881860814, 2.238653014839342, 2.8561530386969487]}}