{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:17:16.612645", "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": "2022-Jan-28_to_2022-Jan-30_284.0_-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": 2022010002744}, "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 28 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 30 2022"}, "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": 58522.75134808572}, "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": -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": 284.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "284.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 282.5}, "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": -5.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -4.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-78.03, -3.47], [-77.5, -3.25], [-77.25, -3.35], [-77.0, -3.25], [-76.5, -3.46], [-76.0, -3.25], [-75.75, -3.35], [-75.5, -3.25], [-74.97, -3.47], [-74.82, -3.82], [-74.47, -3.97], [-74.32, -4.32], [-73.97, -4.47], [-73.82, -4.82], [-73.47, -4.97], [-73.25, -5.5], [-73.47, -6.03], [-74.0, -6.25], [-74.25, -6.15], [-74.5, -6.25], [-74.75, -6.15], [-75.0, -6.25], [-75.25, -6.15], [-75.5, -6.25], [-75.75, -6.15], [-76.0, -6.25], [-76.53, -6.03], [-76.68, -5.68], [-77.03, -5.53], [-77.18, -5.18], [-77.53, -5.03], [-77.68, -4.68], [-78.03, -4.53], [-78.25, -4.0], [-78.03, -3.47]]]]}}, "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": {"2022-01-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-78.02999999999997, -4.53], [-78.25, -4.0], [-78.02999999999997, -3.47], [-77.5, -3.25], [-77.25, -3.35], [-77.0, -3.25], [-76.5, -3.46], [-76.0, -3.25], [-75.75, -3.35], [-75.5, -3.25], [-74.97000000000003, -3.47], [-74.82, -3.82], [-74.47000000000003, -3.97], [-74.32, -4.32], [-73.97000000000003, -4.47], [-73.82, -4.82], [-73.47000000000003, -4.97], [-73.25, -5.5], [-73.47000000000003, -6.03], [-74.0, -6.25], [-74.25, -6.15], [-74.5, -6.25], [-74.75, -6.15], [-75.0, -6.25], [-75.25, -6.15], [-75.5, -6.25], [-75.75, -6.15], [-76.0, -6.25], [-76.52999999999997, -6.03], [-76.68, -5.68], [-77.02999999999997, -5.53], [-77.18, -5.18], [-77.52999999999997, -5.03], [-77.68, -4.68], [-78.02999999999997, -4.53]]]]}, "2022-01-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-78.02999999999997, -4.53], [-78.25, -4.0], [-78.02999999999997, -3.47], [-77.5, -3.25], [-77.25, -3.35], [-77.0, -3.25], [-76.5, -3.46], [-76.0, -3.25], [-75.75, -3.35], [-75.5, -3.25], [-74.97000000000003, -3.47], [-74.82, -3.82], [-74.47000000000003, -3.97], [-74.32, -4.32], [-73.97000000000003, -4.47], [-73.82, -4.82], [-73.47000000000003, -4.97], [-73.25, -5.5], [-73.47000000000003, -6.03], [-74.0, -6.25], [-74.25, -6.15], [-74.5, -6.25], [-74.75, -6.15], [-75.0, -6.25], [-75.25, -6.15], [-75.5, -6.25], [-75.75, -6.15], [-76.0, -6.25], [-76.52999999999997, -6.03], [-76.68, -5.68], [-77.02999999999997, -5.53], [-77.18, -5.18], [-77.52999999999997, -5.03], [-77.68, -4.68], [-78.02999999999997, -4.53]]]]}, "2022-01-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-78.02999999999997, -4.53], [-78.25, -4.0], [-78.02999999999997, -3.47], [-77.5, -3.25], [-77.25, -3.35], [-77.0, -3.25], [-76.5, -3.46], [-76.0, -3.25], [-75.75, -3.35], [-75.5, -3.25], [-74.97000000000003, -3.47], [-74.82, -3.82], [-74.47000000000003, -3.97], [-74.32, -4.32], [-73.97000000000003, -4.47], [-73.82, -4.82], [-73.47000000000003, -4.97], [-73.25, -5.5], [-73.47000000000003, -6.03], [-74.0, -6.25], [-74.25, -6.15], [-74.5, -6.25], [-74.75, -6.15], [-75.0, -6.25], [-75.25, -6.15], [-75.5, -6.25], [-75.75, -6.15], [-76.0, -6.25], [-76.52999999999997, -6.03], [-76.68, -5.68], [-77.02999999999997, -5.53], [-77.18, -5.18], [-77.52999999999997, -5.03], [-77.68, -4.68], [-78.02999999999997, -4.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.3684164535254126}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.9514849401074095}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.19711528112606, 28.267005393485647, 28.278621053839515]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.633239282770603, 28.951715939080827, 28.87392632175232]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.9050238920489433, 1.9540380473416121, 1.9953928809316728]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.1141773485603608, 2.3684164535254126, 2.311377315774166]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5824365171872048, 1.6202203046789811, 1.6514909155770632]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7333984260925441, 1.974643935196256, 1.9893875913274772]}}