{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:29:11.189548", "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_285.5_-5.5"}, "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": 2022010002667}, "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": 64678.445080526304}, "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"]}, "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": []}, "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": -5.5}, "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": 285.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "285.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 282.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 286.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -6.25}, "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": {"2022-01-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-78.25, -4.0], [-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], [-74.75, -3.85], [-74.5, -3.75], [-73.97, -3.97], [-73.75, -4.5], [-73.85, -4.75], [-73.82, -4.82], [-73.47, -4.97], [-73.25, -5.5], [-73.47, -6.03], [-74.0, -6.25], [-74.25, -6.15], [-74.32, -6.18], [-74.47, -6.53], [-75.0, -6.75], [-75.53, -6.53], [-75.68, -6.18], [-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]]]]}, "2022-01-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-78.25, -4.0], [-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], [-74.75, -3.85], [-74.5, -3.75], [-73.97, -3.97], [-73.75, -4.5], [-73.85, -4.75], [-73.82, -4.82], [-73.47, -4.97], [-73.25, -5.5], [-73.47, -6.03], [-74.0, -6.25], [-74.25, -6.15], [-74.32, -6.18], [-74.47, -6.53], [-75.0, -6.75], [-75.53, -6.53], [-75.68, -6.18], [-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]]]]}, "2022-01-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-78.25, -4.0], [-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], [-74.75, -3.85], [-74.5, -3.75], [-73.97, -3.97], [-73.75, -4.5], [-73.85, -4.75], [-73.82, -4.82], [-73.47, -4.97], [-73.25, -5.5], [-73.47, -6.03], [-74.0, -6.25], [-74.25, -6.15], [-74.32, -6.18], [-74.47, -6.53], [-75.0, -6.75], [-75.53, -6.53], [-75.68, -6.18], [-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]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.4684553617061624}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.004780724756284}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.209494314044377, 28.290526778785136, 28.280962798954306]}, "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": [1.9448983611000206, 2.0327515665536864, 2.0366922466151456]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.1863960202525163, 2.4684553617061624, 2.357859582719186]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6784004531687506, 1.7376307025943982, 1.7151322126612611]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.879719131978944, 2.142558735391604, 2.0376450342332606]}}