{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:49:25.153194", "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": "2012-Jan-02_to_2012-Jan-06_296.5_-18.0"}, "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": 2012010001862}, "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 02 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 06 2012"}, "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": 103249.90530947369}, "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": ["Bolivia"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["South-American-Monsoon"]}, "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": -18.0}, "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": 296.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "296.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 294.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 298.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -19.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -15.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2012-01-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-64.25, -17.0], [-64.03, -16.47], [-63.68, -16.32], [-63.53, -15.97], [-63.18, -15.82], [-63.03, -15.47], [-62.5, -15.25], [-62.25, -15.35], [-62.0, -15.25], [-61.47, -15.47], [-61.25, -16.0], [-61.47, -16.53], [-61.82, -16.68], [-61.97, -17.03], [-62.32, -17.18], [-62.35, -17.25], [-62.32, -17.32], [-61.97, -17.47], [-61.75, -18.0], [-61.97, -18.53], [-62.32, -18.68], [-62.47, -19.03], [-63.0, -19.25], [-63.53, -19.03], [-63.68, -18.68], [-63.75, -18.65], [-64.0, -18.75], [-64.53, -18.53], [-64.75, -18.0], [-64.53, -17.47], [-64.18, -17.32], [-64.15, -17.25], [-64.25, -17.0]]]]}, "2012-01-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-64.25, -17.0], [-64.03, -16.47], [-63.68, -16.32], [-63.53, -15.97], [-63.18, -15.82], [-63.03, -15.47], [-62.5, -15.25], [-62.25, -15.35], [-62.0, -15.25], [-61.47, -15.47], [-61.25, -16.0], [-61.47, -16.53], [-61.82, -16.68], [-61.97, -17.03], [-62.32, -17.18], [-62.35, -17.25], [-62.32, -17.32], [-61.97, -17.47], [-61.75, -18.0], [-61.97, -18.53], [-62.32, -18.68], [-62.47, -19.03], [-62.82, -19.18], [-62.97, -19.53], [-63.5, -19.75], [-64.03, -19.53], [-64.25, -19.0], [-64.12, -18.7], [-64.53, -18.53], [-64.75, -18.0], [-64.53, -17.47], [-64.18, -17.32], [-64.15, -17.25], [-64.25, -17.0]]]]}, "2012-01-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-65.18, -15.82], [-65.03, -15.47], [-64.5, -15.25], [-63.97, -15.47], [-63.82, -15.82], [-63.5, -15.96], [-63.18, -15.82], [-63.03, -15.47], [-62.5, -15.25], [-62.25, -15.35], [-62.0, -15.25], [-61.47, -15.47], [-61.25, -16.0], [-61.35, -16.25], [-61.32, -16.32], [-60.97, -16.47], [-60.75, -17.0], [-60.85, -17.25], [-60.75, -17.5], [-60.97, -18.03], [-61.32, -18.18], [-61.35, -18.25], [-61.25, -18.5], [-61.47, -19.03], [-61.82, -19.18], [-61.97, -19.53], [-62.5, -19.75], [-62.75, -19.65], [-63.0, -19.75], [-63.25, -19.65], [-63.5, -19.75], [-64.03, -19.53], [-64.25, -19.0], [-64.12, -18.7], [-64.53, -18.53], [-64.75, -18.0], [-64.65, -17.75], [-64.68, -17.68], [-64.75, -17.65], [-65.0, -17.75], [-65.25, -17.65], [-65.5, -17.75], [-66.03, -17.53], [-66.25, -17.0], [-66.03, -16.47], [-65.68, -16.32], [-65.53, -15.97], [-65.18, -15.82]]]]}, "2012-01-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-65.18, -15.82], [-65.03, -15.47], [-64.5, -15.25], [-63.97, -15.47], [-63.82, -15.82], [-63.5, -15.96], [-63.0, -15.75], [-62.75, -15.85], [-62.5, -15.75], [-62.25, -15.85], [-62.0, -15.75], [-61.47, -15.97], [-61.32, -16.32], [-60.97, -16.47], [-60.75, -17.0], [-60.85, -17.25], [-60.75, -17.5], [-60.97, -18.03], [-61.32, -18.18], [-61.35, -18.25], [-61.25, -18.5], [-61.47, -19.03], [-61.82, -19.18], [-61.97, -19.53], [-62.5, -19.75], [-62.75, -19.65], [-63.0, -19.75], [-63.25, -19.65], [-63.5, -19.75], [-64.03, -19.53], [-64.25, -19.0], [-64.12, -18.7], [-64.53, -18.53], [-64.75, -18.0], [-64.65, -17.75], [-64.68, -17.68], [-64.75, -17.65], [-65.0, -17.75], [-65.25, -17.65], [-65.5, -17.75], [-66.03, -17.53], [-66.25, -17.0], [-66.03, -16.47], [-65.68, -16.32], [-65.53, -15.97], [-65.18, -15.82]]]]}, "2012-01-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-65.18, -15.82], [-65.03, -15.47], [-64.5, -15.25], [-63.97, -15.47], [-63.82, -15.82], [-63.47, -15.97], [-63.32, -16.32], [-63.25, -16.35], [-63.0, -16.25], [-62.75, -16.35], [-62.68, -16.32], [-62.53, -15.97], [-62.0, -15.75], [-61.47, -15.97], [-61.32, -16.32], [-60.97, -16.47], [-60.75, -17.0], [-60.85, -17.25], [-60.75, -17.5], [-60.97, -18.03], [-61.32, -18.18], [-61.35, -18.25], [-61.25, -18.5], [-61.47, -19.03], [-61.82, -19.18], [-61.97, -19.53], [-62.5, -19.75], [-62.75, -19.65], [-63.0, -19.75], [-63.53, -19.53], [-63.75, -19.0], [-63.65, -18.75], [-63.68, -18.68], [-64.03, -18.53], [-64.18, -18.18], [-64.53, -18.03], [-64.68, -17.68], [-64.75, -17.65], [-65.0, -17.75], [-65.25, -17.65], [-65.5, -17.75], [-66.03, -17.53], [-66.25, -17.0], [-66.03, -16.47], [-65.68, -16.32], [-65.53, -15.97], [-65.18, -15.82]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.983828673254834}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.498482312663824}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.431980476251738, 27.265245433105747, 28.201903423454837, 28.849326439521576, 28.90292049022156]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [29.810564581137385, 29.542451526995308, 30.381706806781438, 31.429257088789598, 31.04724939561197]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.355555306720681, 2.105437588089976, 2.334269798097265, 2.8317007819204383, 2.571306648720928]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.0763854328018283, 2.8388284476096715, 3.2802440084261093, 3.983828673254834, 3.5250212241597296]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.767065047792708, 1.5034995733851972, 1.6061921816807863, 1.9024397793054417, 1.722803975003887]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.078229279749048, 2.1524255510014214, 2.076577761660043, 2.3645609583336227, 2.230932573051059]}}