{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:07:45.447292", "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": "2017-Apr-21_to_2017-Apr-25_283.5_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": 2017040002281}, "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": "April 21 2017"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 25 2017"}, "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": 86095.13513636496}, "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": ["Colombia"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.W.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 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": 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": 283.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "283.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 281.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 284.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 3.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 8.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2017-04-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-76.5, 6.75], [-75.97, 6.53], [-75.75, 6.0], [-75.97, 5.47], [-76.5, 5.25], [-77.03, 5.47], [-77.25, 6.0], [-77.03, 6.53], [-76.5, 6.75]]]]}, "2017-04-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-78.65, 5.75], [-78.75, 6.0], [-78.53, 6.53], [-78.18, 6.68], [-78.15, 6.75], [-78.25, 7.0], [-78.03, 7.53], [-77.68, 7.68], [-77.65, 7.75], [-77.75, 8.0], [-77.53, 8.53], [-77.0, 8.75], [-76.47, 8.53], [-76.32, 8.18], [-75.97, 8.03], [-75.75, 7.5], [-75.85, 7.25], [-75.75, 7.0], [-75.85, 6.75], [-75.75, 6.5], [-75.85, 6.25], [-75.82, 6.18], [-75.47, 6.03], [-75.25, 5.5], [-75.35, 5.25], [-75.25, 5.0], [-75.35, 4.75], [-75.25, 4.5], [-75.47, 3.97], [-75.82, 3.82], [-75.97, 3.47], [-76.5, 3.25], [-77.03, 3.47], [-77.18, 3.82], [-77.25, 3.85], [-77.5, 3.75], [-78.03, 3.97], [-78.18, 4.32], [-78.53, 4.47], [-78.75, 5.0], [-78.65, 5.25], [-78.75, 5.5], [-78.65, 5.75]]]]}, "2017-04-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-78.65, 5.75], [-78.75, 6.0], [-78.53, 6.53], [-78.18, 6.68], [-78.15, 6.75], [-78.25, 7.0], [-78.03, 7.53], [-77.68, 7.68], [-77.65, 7.75], [-77.75, 8.0], [-77.53, 8.53], [-77.0, 8.75], [-76.47, 8.53], [-76.32, 8.18], [-75.97, 8.03], [-75.75, 7.5], [-75.85, 7.25], [-75.75, 7.0], [-75.85, 6.75], [-75.75, 6.5], [-75.85, 6.25], [-75.82, 6.18], [-75.47, 6.03], [-75.25, 5.5], [-75.35, 5.25], [-75.25, 5.0], [-75.35, 4.75], [-75.25, 4.5], [-75.47, 3.97], [-75.82, 3.82], [-75.97, 3.47], [-76.5, 3.25], [-77.03, 3.47], [-77.18, 3.82], [-77.25, 3.85], [-77.5, 3.75], [-78.03, 3.97], [-78.18, 4.32], [-78.53, 4.47], [-78.75, 5.0], [-78.65, 5.25], [-78.75, 5.5], [-78.65, 5.75]]]]}, "2017-04-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-78.65, 5.75], [-78.75, 6.0], [-78.53, 6.53], [-78.18, 6.68], [-78.15, 6.75], [-78.25, 7.0], [-78.03, 7.53], [-77.68, 7.68], [-77.65, 7.75], [-77.75, 8.0], [-77.53, 8.53], [-77.0, 8.75], [-76.47, 8.53], [-76.32, 8.18], [-75.97, 8.03], [-75.75, 7.5], [-75.85, 7.25], [-75.75, 7.0], [-75.85, 6.75], [-75.75, 6.5], [-75.85, 6.25], [-75.82, 6.18], [-75.47, 6.03], [-75.25, 5.5], [-75.35, 5.25], [-75.25, 5.0], [-75.35, 4.75], [-75.25, 4.5], [-75.47, 3.97], [-75.82, 3.82], [-75.97, 3.47], [-76.5, 3.25], [-77.03, 3.47], [-77.18, 3.82], [-77.25, 3.85], [-77.5, 3.75], [-78.03, 3.97], [-78.18, 4.32], [-78.53, 4.47], [-78.75, 5.0], [-78.65, 5.25], [-78.75, 5.5], [-78.65, 5.75]]]]}, "2017-04-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-76.0, 5.75], [-75.47, 5.53], [-75.25, 5.0], [-75.47, 4.47], [-76.0, 4.25], [-76.53, 4.47], [-76.75, 5.0], [-76.53, 5.53], [-76.0, 5.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.917603074717647}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.6660468031712854}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.494940906291674, 26.47176706300587, 26.864040471960436, 26.30007766075562, 21.159789618834395]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.494940906291674, 29.094843726372858, 29.671922740657237, 28.960606172096902, 21.159789618834395]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.4386683064840327, 1.5924147603601446, 2.0062116170407824, 1.4270153478009422, 1.1233884605941853]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.4386683064840327, 2.4606989685295275, 2.917603074717647, 1.880107273141391, 1.1233884605941853]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.448308467218266, 1.8236744230894737, 2.329671902474639, 1.6563074160972602, 1.2609315665372636]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.448308467218266, 2.539530017020217, 3.142638042382114, 1.9343863415241616, 1.2609315665372636]}}