{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:52:33.763580", "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": "2013-Jan-23_to_2013-Jan-28_296.5_-7.5"}, "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": 2013010002259}, "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 23 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 28 2013"}, "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": 227740.5559939508}, "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"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.South-America", "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": -7.5}, "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": 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": 300.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -8.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -0.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-01-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-63.5, -6.75], [-62.97, -6.97], [-62.75, -7.5], [-62.97, -8.03], [-63.5, -8.25], [-64.03, -8.03], [-64.25, -7.5], [-64.03, -6.97], [-63.5, -6.75]]]]}, "2013-01-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-64.03, -6.97], [-63.5, -6.75], [-62.97, -6.97], [-62.75, -7.5], [-62.85, -7.75], [-62.75, -8.0], [-62.97, -8.53], [-63.5, -8.75], [-64.03, -8.53], [-64.25, -8.0], [-64.15, -7.75], [-64.25, -7.5], [-64.03, -6.97]]]]}, "2013-01-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-64.15, -7.25], [-64.25, -7.0], [-64.03, -6.47], [-63.68, -6.32], [-63.53, -5.97], [-63.0, -5.75], [-62.47, -5.97], [-62.32, -6.32], [-61.97, -6.47], [-61.82, -6.82], [-61.75, -6.85], [-61.5, -6.75], [-60.97, -6.97], [-60.82, -7.32], [-60.47, -7.47], [-60.25, -8.0], [-60.47, -8.53], [-61.0, -8.75], [-61.25, -8.65], [-61.5, -8.75], [-61.75, -8.65], [-61.82, -8.68], [-61.97, -9.03], [-62.5, -9.25], [-63.03, -9.03], [-63.2, -8.62], [-63.5, -8.75], [-64.03, -8.53], [-64.25, -8.0], [-64.15, -7.75], [-64.25, -7.5], [-64.15, -7.25]]]]}, "2013-01-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-66.15, -5.75], [-66.25, -5.5], [-66.15, -5.25], [-66.25, -5.0], [-66.15, -4.75], [-66.25, -4.5], [-66.03, -3.97], [-65.68, -3.82], [-65.53, -3.47], [-65.18, -3.32], [-65.15, -3.25], [-65.25, -3.0], [-65.15, -2.75], [-65.25, -2.5], [-65.15, -2.25], [-65.18, -2.18], [-65.53, -2.03], [-65.75, -1.5], [-65.53, -0.97], [-65.18, -0.82], [-65.03, -0.47], [-64.5, -0.25], [-63.97, -0.47], [-63.82, -0.82], [-63.47, -0.97], [-63.25, -1.5], [-63.46, -2.0], [-63.32, -2.32], [-63.25, -2.35], [-63.0, -2.25], [-62.47, -2.47], [-62.32, -2.82], [-61.97, -2.97], [-61.82, -3.32], [-61.75, -3.35], [-61.5, -3.25], [-60.97, -3.47], [-60.82, -3.82], [-60.47, -3.97], [-60.32, -4.32], [-59.97, -4.47], [-59.75, -5.0], [-59.85, -5.25], [-59.82, -5.32], [-59.47, -5.47], [-59.25, -6.0], [-59.47, -6.53], [-60.0, -6.75], [-60.53, -6.53], [-60.68, -6.18], [-60.75, -6.15], [-61.0, -6.25], [-61.53, -6.03], [-61.68, -5.68], [-62.0, -5.54], [-62.32, -5.68], [-62.46, -6.0], [-62.32, -6.32], [-61.97, -6.47], [-61.82, -6.82], [-61.75, -6.85], [-61.5, -6.75], [-60.97, -6.97], [-60.82, -7.32], [-60.47, -7.47], [-60.25, -8.0], [-60.47, -8.53], [-61.0, -8.75], [-61.25, -8.65], [-61.5, -8.75], [-61.75, -8.65], [-61.82, -8.68], [-61.97, -9.03], [-62.5, -9.25], [-63.03, -9.03], [-63.2, -8.62], [-63.5, -8.75], [-64.03, -8.53], [-64.25, -8.0], [-64.15, -7.75], [-64.25, -7.5], [-64.15, -7.25], [-64.18, -7.18], [-64.25, -7.15], [-64.5, -7.25], [-64.75, -7.15], [-65.0, -7.25], [-65.25, -7.15], [-65.5, -7.25], [-66.03, -7.03], [-66.25, -6.5], [-66.15, -6.25], [-66.25, -6.0], [-66.15, -5.75]]]]}, "2013-01-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-66.15, -5.75], [-66.25, -5.5], [-66.15, -5.25], [-66.25, -5.0], [-66.15, -4.75], [-66.25, -4.5], [-66.03, -3.97], [-65.68, -3.82], [-65.53, -3.47], [-65.18, -3.32], [-65.15, -3.25], [-65.25, -3.0], [-65.15, -2.75], [-65.25, -2.5], [-65.15, -2.25], [-65.18, -2.18], [-65.53, -2.03], [-65.75, -1.5], [-65.53, -0.97], [-65.18, -0.82], [-65.03, -0.47], [-64.5, -0.25], [-63.97, -0.47], [-63.82, -0.82], [-63.47, -0.97], [-63.25, -1.5], [-63.46, -2.0], [-63.32, -2.32], [-63.25, -2.35], [-63.0, -2.25], [-62.47, -2.47], [-62.32, -2.82], [-61.97, -2.97], [-61.82, -3.32], [-61.75, -3.35], [-61.5, -3.25], [-60.97, -3.47], [-60.82, -3.82], [-60.47, -3.97], [-60.32, -4.32], [-59.97, -4.47], [-59.75, -5.0], [-59.85, -5.25], [-59.82, -5.32], [-59.47, -5.47], [-59.25, -6.0], [-59.47, -6.53], [-60.0, -6.75], [-60.53, -6.53], [-60.68, -6.18], [-60.75, -6.15], [-61.0, -6.25], [-61.53, -6.03], [-61.68, -5.68], [-62.0, -5.54], [-62.32, -5.68], [-62.46, -6.0], [-62.32, -6.32], [-61.97, -6.47], [-61.82, -6.82], [-61.75, -6.85], [-61.5, -6.75], [-60.97, -6.97], [-60.82, -7.32], [-60.47, -7.47], [-60.25, -8.0], [-60.47, -8.53], [-61.0, -8.75], [-61.25, -8.65], [-61.5, -8.75], [-61.75, -8.65], [-61.82, -8.68], [-61.97, -9.03], [-62.5, -9.25], [-63.03, -9.03], [-63.2, -8.62], [-63.5, -8.75], [-64.03, -8.53], [-64.25, -8.0], [-64.15, -7.75], [-64.25, -7.5], [-64.15, -7.25], [-64.18, -7.18], [-64.25, -7.15], [-64.5, -7.25], [-64.75, -7.15], [-65.0, -7.25], [-65.25, -7.15], [-65.5, -7.25], [-66.03, -7.03], [-66.25, -6.5], [-66.15, -6.25], [-66.25, -6.0], [-66.15, -5.75]]]]}, "2013-01-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-66.15, -5.75], [-66.25, -5.5], [-66.15, -5.25], [-66.25, -5.0], [-66.15, -4.75], [-66.25, -4.5], [-66.03, -3.97], [-65.68, -3.82], [-65.53, -3.47], [-65.18, -3.32], [-65.15, -3.25], [-65.25, -3.0], [-65.15, -2.75], [-65.25, -2.5], [-65.15, -2.25], [-65.18, -2.18], [-65.53, -2.03], [-65.75, -1.5], [-65.53, -0.97], [-65.18, -0.82], [-65.03, -0.47], [-64.5, -0.25], [-63.97, -0.47], [-63.82, -0.82], [-63.47, -0.97], [-63.25, -1.5], [-63.46, -2.0], [-63.32, -2.32], [-63.25, -2.35], [-63.0, -2.25], [-62.47, -2.47], [-62.32, -2.82], [-61.97, -2.97], [-61.82, -3.32], [-61.75, -3.35], [-61.5, -3.25], [-60.97, -3.47], [-60.82, -3.82], [-60.47, -3.97], [-60.32, -4.32], [-59.97, -4.47], [-59.75, -5.0], [-59.85, -5.25], [-59.82, -5.32], [-59.47, -5.47], [-59.25, -6.0], [-59.47, -6.53], [-60.0, -6.75], [-60.53, -6.53], [-60.68, -6.18], [-60.75, -6.15], [-61.0, -6.25], [-61.53, -6.03], [-61.68, -5.68], [-62.0, -5.54], [-62.32, -5.68], [-62.47, -6.03], [-62.82, -6.18], [-62.85, -6.25], [-62.75, -6.5], [-62.97, -7.03], [-63.5, -7.25], [-63.75, -7.15], [-64.0, -7.25], [-64.25, -7.15], [-64.5, -7.25], [-64.75, -7.15], [-65.0, -7.25], [-65.25, -7.15], [-65.5, -7.25], [-66.03, -7.03], [-66.25, -6.5], [-66.15, -6.25], [-66.25, -6.0], [-66.15, -5.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.2827587023849674}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.9403694188919958}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.061951731022702, 27.20073902017839, 27.04022634587136, 27.988531122174777, 28.457389857443616, 27.870179769322817]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.061951731022702, 27.334210146572843, 27.30684962889461, 28.85286064205968, 29.650568584939947, 28.811748983372127]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.2547074322497451, 1.3641704547862332, 1.305201719292313, 1.8864776903861604, 2.3395058599056773, 1.6934077352864743]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.2547074322497451, 1.4749102503342328, 1.457403787368321, 2.2906838501078255, 3.2827587023849674, 2.323268515335485]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4635344239575223, 1.5855336613592903, 1.5713727404660933, 1.9797592164076607, 2.387603268480403, 1.6415472264570374]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4635344239575223, 1.6728694468966792, 1.8379495349838124, 2.568565247495929, 3.385774204819519, 2.23396816065213]}}