{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:57:25.779801", "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": "2014-Sep-26_to_2014-Oct-01_296.0_5.0"}, "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": 2014090002757}, "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 26 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 01 2014"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 61703.44980277705}, "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": ["Brazil", "Venezuela"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.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": 5.0}, "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": 296.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "296.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 293.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 296.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -0.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 6.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-09-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-66.53, -0.03], [-66.75, 0.5], [-66.53, 1.03], [-66.0, 1.25], [-65.47, 1.03], [-65.25, 0.5], [-65.47, -0.03], [-66.0, -0.25], [-66.53, -0.03]]], [[[-64.0, 6.75], [-63.47, 6.53], [-63.25, 6.0], [-63.35, 5.75], [-63.25, 5.5], [-63.47, 4.97], [-64.0, 4.75], [-64.53, 4.97], [-64.75, 5.5], [-64.65, 5.75], [-64.75, 6.0], [-64.53, 6.53], [-64.0, 6.75]]]]}, "2014-09-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-66.0, 1.25], [-65.47, 1.03], [-65.25, 0.5], [-65.35, 0.25], [-65.25, 0.0], [-65.47, -0.53], [-66.0, -0.75], [-66.53, -0.53], [-66.75, 0.0], [-66.65, 0.25], [-66.75, 0.5], [-66.53, 1.03], [-66.0, 1.25]]], [[[-67.25, 3.0], [-67.03, 3.53], [-66.5, 3.75], [-66.25, 3.65], [-66.18, 3.68], [-66.15, 3.75], [-66.25, 4.0], [-66.15, 4.25], [-66.25, 4.5], [-66.03, 5.03], [-65.5, 5.25], [-65.25, 5.15], [-65.0, 5.25], [-64.7, 5.12], [-64.65, 5.25], [-64.75, 5.5], [-64.65, 5.75], [-64.75, 6.0], [-64.53, 6.53], [-64.0, 6.75], [-63.47, 6.53], [-63.25, 6.0], [-63.35, 5.75], [-63.25, 5.5], [-63.35, 5.25], [-63.25, 5.0], [-63.47, 4.47], [-64.0, 4.25], [-64.3, 4.38], [-64.46, 4.0], [-64.25, 3.5], [-64.47, 2.97], [-64.82, 2.82], [-64.85, 2.75], [-64.75, 2.5], [-64.85, 2.25], [-64.75, 2.0], [-64.97, 1.47], [-65.5, 1.25], [-66.03, 1.47], [-66.25, 2.0], [-66.15, 2.25], [-66.18, 2.32], [-66.25, 2.35], [-66.5, 2.25], [-67.03, 2.47], [-67.25, 3.0]]]]}, "2014-09-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-66.53, 1.03], [-66.0, 1.25], [-65.57, 1.07], [-65.68, 1.32], [-66.03, 1.47], [-66.25, 2.0], [-66.15, 2.25], [-66.18, 2.32], [-66.25, 2.35], [-66.5, 2.25], [-67.03, 2.47], [-67.25, 3.0], [-67.03, 3.53], [-66.5, 3.75], [-66.25, 3.65], [-66.18, 3.68], [-66.15, 3.75], [-66.25, 4.0], [-66.15, 4.25], [-66.25, 4.5], [-66.03, 5.03], [-65.5, 5.25], [-65.25, 5.15], [-65.18, 5.18], [-65.03, 5.53], [-64.68, 5.68], [-64.65, 5.75], [-64.75, 6.0], [-64.53, 6.53], [-64.0, 6.75], [-63.47, 6.53], [-63.25, 6.0], [-63.35, 5.75], [-63.25, 5.5], [-63.35, 5.25], [-63.25, 5.0], [-63.47, 4.47], [-64.0, 4.25], [-64.25, 4.35], [-64.32, 4.32], [-64.46, 4.0], [-64.25, 3.5], [-64.47, 2.97], [-64.82, 2.82], [-64.85, 2.75], [-64.75, 2.5], [-64.85, 2.25], [-64.82, 2.18], [-64.47, 2.03], [-64.25, 1.5], [-64.47, 0.97], [-65.0, 0.75], [-65.43, 0.93], [-65.25, 0.5], [-65.35, 0.25], [-65.25, 0.0], [-65.47, -0.53], [-66.0, -0.75], [-66.53, -0.53], [-66.75, 0.0], [-66.65, 0.25], [-66.75, 0.5], [-66.53, 1.03]]]]}, "2014-09-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-67.03, 2.47], [-67.25, 3.0], [-67.03, 3.53], [-66.5, 3.75], [-66.25, 3.65], [-66.18, 3.68], [-66.15, 3.75], [-66.25, 4.0], [-66.15, 4.25], [-66.25, 4.5], [-66.03, 5.03], [-65.5, 5.25], [-65.25, 5.15], [-65.18, 5.18], [-65.03, 5.53], [-64.5, 5.75], [-64.25, 5.65], [-64.0, 5.75], [-63.47, 5.53], [-63.25, 5.0], [-63.47, 4.47], [-64.0, 4.25], [-64.25, 4.35], [-64.32, 4.32], [-64.46, 4.0], [-64.25, 3.5], [-64.35, 3.25], [-64.25, 3.0], [-64.46, 2.5], [-64.25, 2.0], [-64.35, 1.75], [-64.25, 1.5], [-64.47, 0.97], [-64.82, 0.82], [-64.97, 0.47], [-65.37, 0.3], [-65.25, 0.0], [-65.47, -0.53], [-66.0, -0.75], [-66.53, -0.53], [-66.75, 0.0], [-66.53, 0.53], [-66.12, 0.7], [-66.25, 1.0], [-66.04, 1.5], [-66.25, 2.0], [-66.15, 2.25], [-66.18, 2.32], [-66.25, 2.35], [-66.5, 2.25], [-67.03, 2.47]]]]}, "2014-09-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-65.62, 2.3], [-66.03, 2.47], [-66.25, 3.0], [-66.03, 3.53], [-65.5, 3.75], [-65.25, 3.65], [-65.0, 3.75], [-64.47, 3.53], [-64.25, 3.0], [-64.46, 2.5], [-64.25, 2.0], [-64.35, 1.75], [-64.25, 1.5], [-64.47, 0.97], [-64.82, 0.82], [-64.97, 0.47], [-65.5, 0.25], [-66.03, 0.47], [-66.25, 1.0], [-66.03, 1.53], [-65.68, 1.68], [-65.65, 1.75], [-65.75, 2.0], [-65.62, 2.3]]], [[[-65.25, 5.0], [-65.03, 5.53], [-64.5, 5.75], [-64.25, 5.65], [-64.0, 5.75], [-63.47, 5.53], [-63.25, 5.0], [-63.47, 4.47], [-64.0, 4.25], [-64.25, 4.35], [-64.5, 4.25], [-65.03, 4.47], [-65.25, 5.0]]]]}, "2014-10-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-65.75, 2.0], [-65.54, 2.5], [-65.75, 3.0], [-65.53, 3.53], [-65.0, 3.75], [-64.47, 3.53], [-64.25, 3.0], [-64.46, 2.5], [-64.25, 2.0], [-64.35, 1.75], [-64.25, 1.5], [-64.47, 0.97], [-64.82, 0.82], [-64.97, 0.47], [-65.5, 0.25], [-66.03, 0.47], [-66.25, 1.0], [-66.03, 1.53], [-65.68, 1.68], [-65.65, 1.75], [-65.75, 2.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.9347474096999235}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.3807519830237036}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.887870285942995, 25.647240772090527, 25.793647402656802, 25.60257352154173, 25.608704373903606, 25.918386355648465]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [25.954899834807748, 27.662713736178603, 28.12126252637819, 27.57459538802891, 27.10142334658883, 26.635420706057744]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.0822485493932656, 1.2616802804016212, 1.5493855159502714, 1.3877303762214912, 1.255243908230487, 1.5244368879389611]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.1191198006326886, 1.5295359633441876, 1.9347474096999235, 1.7954957882988083, 1.5140313693531766, 1.6474282275328278]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3663242910982547, 1.4529858800136295, 1.8125813859444644, 1.596514903954496, 1.4720939025536335, 1.6180669287721947]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5553868908408615, 1.84667108134789, 2.4133443598396584, 2.1577163013629534, 1.6345781179554033, 1.7088823392549635]}}