{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:13:59.182079", "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-Sep-25_to_2021-Sep-28_285.0_11.0"}, "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": 2021090002743}, "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": "September 25 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 28 2021"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 116009.64842874254}, "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"]}, "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": ["Caribbean Sea"]}, "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": 11.0}, "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": 283.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 286.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 6.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 11.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-77.0, 11.25], [-76.75, 11.15], [-76.68, 11.18], [-76.53, 11.53], [-76.18, 11.68], [-76.03, 12.03], [-75.5, 12.25], [-74.97, 12.03], [-74.82, 11.68], [-74.75, 11.65], [-74.5, 11.75], [-73.97, 11.53], [-73.75, 11.0], [-73.97, 10.47], [-74.32, 10.32], [-74.47, 9.97], [-74.82, 9.82], [-74.85, 9.75], [-74.82, 9.68], [-74.75, 9.65], [-74.5, 9.75], [-74.25, 9.65], [-74.0, 9.75], [-73.47, 9.53], [-73.25, 9.0], [-73.47, 8.47], [-73.82, 8.32], [-73.85, 8.25], [-73.75, 8.0], [-73.85, 7.75], [-73.75, 7.5], [-73.85, 7.25], [-73.82, 7.18], [-73.75, 7.15], [-73.5, 7.25], [-72.97, 7.03], [-72.75, 6.5], [-72.97, 5.97], [-73.5, 5.75], [-73.75, 5.85], [-73.82, 5.82], [-73.97, 5.47], [-74.5, 5.25], [-74.75, 5.35], [-75.0, 5.25], [-75.53, 5.47], [-75.75, 6.0], [-75.54, 6.5], [-75.68, 6.82], [-76.03, 6.97], [-76.18, 7.32], [-76.53, 7.47], [-76.75, 8.0], [-76.65, 8.25], [-76.75, 8.5], [-76.65, 8.75], [-76.68, 8.82], [-77.03, 8.97], [-77.25, 9.5], [-77.15, 9.75], [-77.18, 9.82], [-77.53, 9.97], [-77.75, 10.5], [-77.53, 11.03], [-77.0, 11.25]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.Central-America", "Caribbean", "N.W.South-America"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2021-09-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-77.52999999999997, 9.97], [-77.75, 10.5], [-77.52999999999997, 11.03], [-77.0, 11.25], [-76.75, 11.15], [-76.68, 11.18], [-76.52999999999997, 11.53], [-76.18, 11.68], [-76.02999999999997, 12.03], [-75.5, 12.25], [-74.97000000000003, 12.03], [-74.82, 11.68], [-74.47000000000003, 11.53], [-74.25, 11.0], [-74.35000000000002, 10.75], [-74.25, 10.5], [-74.47000000000003, 9.97], [-74.82, 9.82], [-74.85000000000002, 9.75], [-74.82, 9.68], [-74.75, 9.65], [-74.5, 9.75], [-74.25, 9.65], [-74.0, 9.75], [-73.47000000000003, 9.53], [-73.25, 9.0], [-73.47000000000003, 8.47], [-73.82, 8.32], [-73.85000000000002, 8.25], [-73.75, 8.0], [-73.85000000000002, 7.75], [-73.75, 7.5], [-73.85000000000002, 7.25], 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"mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.7103094543070048}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.00243993230339, 28.322748792719494, 27.99898741450926, 28.846939073285057]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [31.145970310992027, 31.573897033941023, 31.34109363954167, 29.02533307799274]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.6338829795901995, 1.9272087209984676, 1.5882779901633313, 1.3217109881599072]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.819631888668482, 3.2853734308542926, 3.054510140372429, 1.4065459166329788]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.7472264882300155, 2.099652996524006, 1.7173171512438712, 1.5539848145043567]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.223480687760853, 2.5575593350215837, 2.144705440088157, 1.6488869139602749]}}