{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:10:26.723229", "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": "2018-Mar-06_to_2018-Mar-08_309.5_1.5"}, "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": 2018030001708}, "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": "March 06 2018"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 08 2018"}, "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": 98841.76792077349}, "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", "French Guiana"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Equatorial.Atlantic-Ocean", "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": 1.5}, "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": 309.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "309.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 306.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 311.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 0.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 3.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2018-03-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-53.54, 2.5], [-53.75, 3.0], [-53.53, 3.53], [-53.18, 3.68], [-53.03, 4.03], [-52.5, 4.25], [-52.25, 4.15], [-52.0, 4.25], [-51.75, 4.15], [-51.5, 4.25], [-50.97, 4.03], [-50.82, 3.68], [-50.47, 3.53], [-50.25, 3.0], [-50.35, 2.75], [-50.32, 2.68], [-49.97, 2.53], [-49.82, 2.18], [-49.75, 2.15], [-49.5, 2.25], [-49.25, 2.15], [-49.0, 2.25], [-48.47, 2.03], [-48.25, 1.5], [-48.47, 0.97], [-49.0, 0.75], [-49.25, 0.85], [-49.32, 0.82], [-49.47, 0.47], [-49.82, 0.32], [-49.97, -0.03], [-50.5, -0.25], [-50.75, -0.15], [-51.0, -0.25], [-51.53, -0.03], [-51.75, 0.5], [-51.65, 0.75], [-51.68, 0.82], [-51.75, 0.85], [-52.0, 0.75], [-52.25, 0.85], [-52.5, 0.75], [-52.75, 0.85], [-53.0, 0.75], [-53.53, 0.97], [-53.75, 1.5], [-53.65, 1.75], [-53.75, 2.0], [-53.54, 2.5]]]]}, "2018-03-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-53.54, 2.5], [-53.75, 3.0], [-53.53, 3.53], [-53.18, 3.68], [-53.03, 4.03], [-52.5, 4.25], [-52.25, 4.15], [-52.0, 4.25], [-51.75, 4.15], [-51.5, 4.25], [-50.97, 4.03], [-50.82, 3.68], [-50.47, 3.53], [-50.25, 3.0], [-50.35, 2.75], [-50.32, 2.68], [-49.97, 2.53], [-49.82, 2.18], [-49.75, 2.15], [-49.5, 2.25], [-49.25, 2.15], [-49.0, 2.25], [-48.47, 2.03], [-48.25, 1.5], [-48.47, 0.97], [-49.0, 0.75], [-49.25, 0.85], [-49.32, 0.82], [-49.47, 0.47], [-49.82, 0.32], [-49.97, -0.03], [-50.5, -0.25], [-50.75, -0.15], [-51.0, -0.25], [-51.53, -0.03], [-51.75, 0.5], [-51.65, 0.75], [-51.68, 0.82], [-51.75, 0.85], [-52.0, 0.75], [-52.25, 0.85], [-52.5, 0.75], [-52.75, 0.85], [-53.0, 0.75], [-53.53, 0.97], [-53.75, 1.5], [-53.65, 1.75], [-53.75, 2.0], [-53.54, 2.5]]]]}, "2018-03-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-53.54, 2.5], [-53.75, 3.0], [-53.53, 3.53], [-53.18, 3.68], [-53.03, 4.03], [-52.5, 4.25], [-52.25, 4.15], [-52.0, 4.25], [-51.75, 4.15], [-51.5, 4.25], [-50.97, 4.03], [-50.82, 3.68], [-50.47, 3.53], [-50.25, 3.0], [-50.35, 2.75], [-50.32, 2.68], [-49.97, 2.53], [-49.82, 2.18], [-49.75, 2.15], [-49.5, 2.25], [-49.25, 2.15], [-49.0, 2.25], [-48.47, 2.03], [-48.25, 1.5], [-48.47, 0.97], [-49.0, 0.75], [-49.25, 0.85], [-49.32, 0.82], [-49.47, 0.47], [-49.82, 0.32], [-49.97, -0.03], [-50.5, -0.25], [-50.75, -0.15], [-51.0, -0.25], [-51.53, -0.03], [-51.75, 0.5], [-51.65, 0.75], [-51.68, 0.82], [-51.75, 0.85], [-52.0, 0.75], [-52.25, 0.85], [-52.5, 0.75], [-52.75, 0.85], [-53.0, 0.75], [-53.53, 0.97], [-53.75, 1.5], [-53.65, 1.75], [-53.75, 2.0], [-53.54, 2.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.445333633327664}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.6705988706100712}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.780348258063952, 26.917078441009664, 26.951796435638187]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.511454512407568, 27.709807467754047, 27.40775869039834]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.6008922937033532, 1.7014524399894189, 1.7094518781374415]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.0456884473878176, 2.18355162370824, 2.445333633327664]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.9134506429979612, 2.0148937100443383, 1.9928123223697496]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.644421711343972, 2.657992024341498, 2.6718195279244177]}}