{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:15:11.485870", "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-Oct-21_to_2021-Oct-25_285.5_3.0"}, "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": 2021100002232}, "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": "October 21 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 25 2021"}, "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": 219279.5803560008}, "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", "Peru"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["America", "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": 3.0}, "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": 285.5}, "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": 284.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 289.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -2.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 5.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-75.68, 0.68], [-75.65, 0.75], [-75.68, 0.82], [-76.03, 0.97], [-76.25, 1.5], [-76.03, 2.03], [-75.68, 2.18], [-75.53, 2.53], [-75.18, 2.68], [-75.15, 2.75], [-75.25, 3.0], [-75.03, 3.53], [-74.68, 3.68], [-74.65, 3.75], [-74.75, 4.0], [-74.53, 4.53], [-74.0, 4.75], [-73.75, 4.65], [-73.68, 4.68], [-73.53, 5.03], [-73.18, 5.18], [-73.15, 5.25], [-73.25, 5.5], [-73.03, 6.03], [-72.5, 6.25], [-72.25, 6.15], [-72.0, 6.25], [-71.47, 6.03], [-71.25, 5.5], [-71.46, 5.0], [-71.25, 4.5], [-71.35, 4.25], [-71.25, 4.0], [-71.35, 3.75], [-71.32, 3.68], [-71.25, 3.65], [-71.0, 3.75], [-70.47, 3.53], [-70.25, 3.0], [-70.47, 2.47], [-71.0, 2.25], [-71.25, 2.35], [-71.5, 2.25], [-72.03, 2.47], [-72.18, 2.82], [-72.3, 2.88], [-72.47, 2.47], [-72.82, 2.32], [-72.85, 2.25], [-72.75, 2.0], [-72.87, 1.7], [-72.75, 1.65], [-72.5, 1.75], [-72.25, 1.65], [-72.0, 1.75], [-71.47, 1.53], [-71.32, 1.18], [-70.97, 1.03], [-70.82, 0.68], [-70.47, 0.53], [-70.25, 0.0], [-70.47, -0.53], [-71.0, -0.75], [-71.3, -0.62], [-71.35, -0.75], [-71.25, -1.0], [-71.47, -1.53], [-72.0, -1.75], [-72.25, -1.65], [-72.32, -1.68], [-72.47, -2.03], [-72.82, -2.18], [-72.97, -2.53], [-73.5, -2.75], [-74.03, -2.53], [-74.25, -2.0], [-74.15, -1.75], [-74.18, -1.68], [-74.53, -1.53], [-74.68, -1.18], [-74.75, -1.15], [-75.0, -1.25], [-75.53, -1.03], [-75.68, -0.68], [-76.03, -0.53], [-76.25, 0.0], [-76.03, 0.53], [-75.68, 0.68]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.W.South-America", "N.South-America"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2021-10-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-75.02999999999997, 3.53], [-74.5, 3.75], [-73.97000000000003, 3.53], [-73.75, 3.0], [-73.97000000000003, 2.47], [-74.5, 2.25], [-75.02999999999997, 2.47], [-75.25, 3.0], [-75.02999999999997, 3.53]]]]}, "2021-10-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-75.52999999999997, 2.53], [-75.18, 2.68], [-75.14999999999998, 2.75], [-75.25, 3.0], [-75.02999999999997, 3.53], [-74.68, 3.68], [-74.64999999999998, 3.75], [-74.75, 4.0], [-74.52999999999997, 4.53], [-74.0, 4.75], [-73.75, 4.65], [-73.68, 4.68], [-73.52999999999997, 5.03], [-73.18, 5.18], [-73.14999999999998, 5.25], [-73.25, 5.5], [-73.02999999999997, 6.03], [-72.5, 6.25], [-72.25, 6.15], [-72.0, 6.25], [-71.47000000000003, 6.03], [-71.25, 5.5], [-71.47000000000003, 4.97], [-71.82, 4.82], [-71.87, 4.7], [-71.47000000000003, 4.53], [-71.25, 4.0], [-71.35000000000002, 3.75], [-71.32, 3.68], [-71.25, 3.65], [-71.0, 3.75], [-70.47000000000003, 3.53], [-70.25, 3.0], [-70.47000000000003, 2.47], [-71.0, 2.25], [-71.25, 2.35], [-71.5, 2.25], [-72.02999999999997, 2.47], [-72.18, 2.82], [-72.30000000000001, 2.88], [-72.47000000000003, 2.47], [-72.82, 2.32], [-72.85000000000002, 2.25], [-72.75, 2.0], [-72.87, 1.7], [-72.5, 1.54], [-72.0, 1.75], [-71.47000000000003, 1.53], [-71.32, 1.18], [-70.97000000000003, 1.03], [-70.82, 0.68], [-70.47000000000003, 0.53], [-70.25, 0.0], [-70.47000000000003, -0.53], [-71.0, -0.75], [-71.43, -0.57], [-71.25, -1.0], [-71.47000000000003, -1.53], [-72.0, -1.75], [-72.25, -1.65], [-72.5, -1.75], [-72.75, -1.65], [-73.0, -1.75], [-73.25, -1.65], [-73.5, -1.75], [-73.75, -1.65], [-74.0, -1.75], [-74.52999999999997, -1.53], [-74.68, -1.18], [-75.02999999999997, -1.03], [-75.18, -0.68], [-75.52999999999997, -0.53], [-75.75, 0.0], [-75.52999999999997, 0.53], [-75.18, 0.68], [-75.07, 0.93], [-75.5, 0.75], [-76.02999999999997, 0.97], [-76.25, 1.5], [-76.02999999999997, 2.03], [-75.68, 2.18], [-75.52999999999997, 2.53]], [[-74.93, 1.07], [-74.5, 1.25], [-74.25, 1.15], [-74.0, 1.25], [-74.5, 1.46], [-74.82, 1.32], [-74.93, 1.07]], [[-73.75, 1.15], [-73.68, 1.18], [-73.62, 1.3], [-73.75, 1.35], [-74.0, 1.25], [-73.75, 1.15]]]]}, "2021-10-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-76.02999999999997, -0.53], [-76.25, 0.0], [-76.02999999999997, 0.53], [-75.68, 0.68], [-75.64999999999998, 0.75], [-75.68, 0.82], [-76.02999999999997, 0.97], [-76.25, 1.5], [-76.02999999999997, 2.03], [-75.68, 2.18], [-75.52999999999997, 2.53], [-75.18, 2.68], [-75.14999999999998, 2.75], [-75.25, 3.0], [-75.02999999999997, 3.53], [-74.68, 3.68], [-74.64999999999998, 3.75], [-74.75, 4.0], [-74.52999999999997, 4.53], [-74.0, 4.75], [-73.75, 4.65], [-73.68, 4.68], [-73.52999999999997, 5.03], [-73.18, 5.18], [-73.14999999999998, 5.25], [-73.25, 5.5], [-73.02999999999997, 6.03], [-72.5, 6.25], [-72.25, 6.15], [-72.0, 6.25], [-71.47000000000003, 6.03], [-71.25, 5.5], [-71.45999999999998, 5.0], [-71.25, 4.5], [-71.35000000000002, 4.25], [-71.25, 4.0], [-71.35000000000002, 3.75], [-71.32, 3.68], [-71.25, 3.65], [-71.0, 3.75], [-70.47000000000003, 3.53], [-70.25, 3.0], [-70.47000000000003, 2.47], [-71.0, 2.25], [-71.25, 2.35], [-71.5, 2.25], [-72.02999999999997, 2.47], [-72.18, 2.82], [-72.30000000000001, 2.88], [-72.47000000000003, 2.47], [-72.82, 2.32], [-72.85000000000002, 2.25], [-72.75, 2.0], [-72.87, 1.7], [-72.75, 1.65], [-72.5, 1.75], [-72.25, 1.65], [-72.0, 1.75], [-71.47000000000003, 1.53], [-71.32, 1.18], [-70.97000000000003, 1.03], [-70.82, 0.68], [-70.47000000000003, 0.53], [-70.25, 0.0], [-70.47000000000003, -0.53], [-71.0, -0.75], [-71.30000000000001, -0.62], [-71.35000000000002, -0.75], [-71.25, -1.0], [-71.47000000000003, -1.53], [-72.0, -1.75], [-72.25, -1.65], [-72.32, -1.68], [-72.47000000000003, -2.03], [-72.82, -2.18], [-72.97000000000003, -2.53], [-73.5, -2.75], [-74.02999999999997, -2.53], [-74.25, -2.0], [-74.14999999999998, -1.75], [-74.18, -1.68], [-74.52999999999997, -1.53], [-74.68, -1.18], [-74.75, -1.15], [-75.0, -1.25], [-75.52999999999997, -1.03], [-75.68, -0.68], [-76.02999999999997, -0.53]]]]}, "2021-10-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-76.02999999999997, -0.53], [-76.25, 0.0], [-76.02999999999997, 0.53], [-75.68, 0.68], [-75.64999999999998, 0.75], [-75.68, 0.82], [-76.02999999999997, 0.97], [-76.25, 1.5], [-76.02999999999997, 2.03], [-75.68, 2.18], [-75.52999999999997, 2.53], [-75.18, 2.68], [-75.14999999999998, 2.75], [-75.25, 3.0], [-75.02999999999997, 3.53], [-74.68, 3.68], [-74.64999999999998, 3.75], [-74.75, 4.0], [-74.52999999999997, 4.53], [-74.0, 4.75], [-73.75, 4.65], [-73.68, 4.68], [-73.52999999999997, 5.03], [-73.18, 5.18], [-73.14999999999998, 5.25], [-73.25, 5.5], [-73.02999999999997, 6.03], [-72.5, 6.25], [-72.25, 6.15], [-72.0, 6.25], [-71.47000000000003, 6.03], [-71.25, 5.5], [-71.45999999999998, 5.0], [-71.25, 4.5], [-71.35000000000002, 4.25], [-71.25, 4.0], [-71.35000000000002, 3.75], [-71.32, 3.68], [-71.25, 3.65], [-71.0, 3.75], [-70.47000000000003, 3.53], [-70.25, 3.0], [-70.47000000000003, 2.47], [-71.0, 2.25], [-71.25, 2.35], [-71.5, 2.25], [-72.02999999999997, 2.47], [-72.18, 2.82], [-72.30000000000001, 2.88], [-72.47000000000003, 2.47], [-72.82, 2.32], [-72.85000000000002, 2.25], [-72.75, 2.0], [-72.87, 1.7], [-72.75, 1.65], [-72.5, 1.75], [-72.25, 1.65], [-72.0, 1.75], [-71.47000000000003, 1.53], [-71.32, 1.18], [-70.97000000000003, 1.03], [-70.82, 0.68], [-70.47000000000003, 0.53], [-70.25, 0.0], [-70.47000000000003, -0.53], [-71.0, -0.75], [-71.30000000000001, -0.62], [-71.35000000000002, -0.75], [-71.25, -1.0], [-71.47000000000003, -1.53], [-72.0, -1.75], [-72.25, -1.65], [-72.32, -1.68], [-72.47000000000003, -2.03], [-72.82, -2.18], [-72.97000000000003, -2.53], [-73.5, -2.75], [-74.02999999999997, -2.53], [-74.25, -2.0], [-74.14999999999998, -1.75], [-74.18, -1.68], [-74.52999999999997, -1.53], [-74.68, -1.18], [-74.75, -1.15], [-75.0, -1.25], [-75.52999999999997, -1.03], [-75.68, -0.68], [-76.02999999999997, -0.53]]]]}, "2021-10-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-76.02999999999997, -0.53], [-76.25, 0.0], [-76.02999999999997, 0.53], [-75.68, 0.68], [-75.64999999999998, 0.75], [-75.68, 0.82], [-76.02999999999997, 0.97], [-76.25, 1.5], [-76.02999999999997, 2.03], [-75.68, 2.18], [-75.52999999999997, 2.53], [-75.18, 2.68], [-75.14999999999998, 2.75], [-75.25, 3.0], [-75.02999999999997, 3.53], [-74.68, 3.68], [-74.64999999999998, 3.75], [-74.75, 4.0], [-74.52999999999997, 4.53], [-74.0, 4.75], [-73.75, 4.65], [-73.68, 4.68], [-73.52999999999997, 5.03], [-73.18, 5.18], [-73.14999999999998, 5.25], [-73.25, 5.5], [-73.02999999999997, 6.03], [-72.5, 6.25], [-72.25, 6.15], [-72.0, 6.25], [-71.47000000000003, 6.03], [-71.25, 5.5], [-71.45999999999998, 5.0], [-71.25, 4.5], [-71.35000000000002, 4.25], [-71.25, 4.0], [-71.35000000000002, 3.75], [-71.32, 3.68], [-71.25, 3.65], [-71.0, 3.75], [-70.47000000000003, 3.53], [-70.25, 3.0], [-70.47000000000003, 2.47], [-71.0, 2.25], [-71.25, 2.35], [-71.5, 2.25], [-72.02999999999997, 2.47], [-72.18, 2.82], [-72.30000000000001, 2.88], [-72.47000000000003, 2.47], [-72.82, 2.32], [-72.85000000000002, 2.25], [-72.75, 2.0], [-72.87, 1.7], [-72.75, 1.65], [-72.5, 1.75], [-71.97000000000003, 1.53], [-71.82, 1.18], [-71.47000000000003, 1.03], [-71.25, 0.5], [-71.35000000000002, 0.25], [-71.25, 0.0], [-71.35000000000002, -0.25], [-71.25, -0.5], [-71.47000000000003, -1.03], [-71.82, -1.18], [-71.97000000000003, -1.53], [-72.32, -1.68], [-72.47000000000003, -2.03], [-72.82, -2.18], [-72.97000000000003, -2.53], [-73.5, -2.75], [-74.02999999999997, -2.53], [-74.25, -2.0], [-74.14999999999998, -1.75], [-74.18, -1.68], [-74.52999999999997, -1.53], [-74.68, -1.18], [-74.75, -1.15], [-75.0, -1.25], [-75.52999999999997, -1.03], [-75.68, -0.68], [-76.02999999999997, -0.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.260104609221912}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.5713412538269391}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [23.169762872595413, 25.967164139687156, 26.359479113940267, 26.529945902778024, 26.83725503898887]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [23.169762872595413, 27.493099282820992, 27.841096823578482, 28.157225353783986, 28.803646418884625]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.1301512312681439, 1.274304397040124, 1.4661941050903142, 1.598187696685394, 1.8870042364543484]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.1301512312681439, 2.0713853345914117, 2.133453439380787, 2.6724413202058486, 3.260104609221912]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5695352783453025, 1.7091703732518784, 1.9074907772041585, 2.0802488048473253, 2.3697973614300407]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5695352783453025, 2.9228421697869593, 3.0380871672595076, 3.064376833603133, 3.573724772335453]}}