{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:52:43.746635", "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-Feb-22_to_2013-Feb-28_296.0_10.0"}, "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": 2013020002125}, "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": "February 22 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 28 2013"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 7}, "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": 54806.196006914746}, "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": ["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": ["Caribbean Sea", "North Atlantic Ocean"]}, "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": 10.0}, "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": 295.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 299.25}, "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": 10.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-02-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-63.5, 11.25], [-62.97, 11.03], [-62.75, 10.5], [-62.85, 10.25], [-62.75, 10.0], [-62.97, 9.47], [-63.5, 9.25], [-63.75, 9.35], [-64.0, 9.25], [-64.53, 9.47], [-64.75, 10.0], [-64.53, 10.53], [-64.18, 10.68], [-64.03, 11.03], [-63.5, 11.25]]]]}, "2013-02-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-64.18, 10.68], [-64.03, 11.03], [-63.5, 11.25], [-63.25, 11.15], [-63.0, 11.25], [-62.47, 11.03], [-62.25, 10.5], [-62.35, 10.25], [-62.25, 10.0], [-62.47, 9.47], [-62.82, 9.32], [-62.97, 8.97], [-63.5, 8.75], [-63.75, 8.85], [-64.0, 8.75], [-64.25, 8.85], [-64.5, 8.75], [-65.03, 8.97], [-65.25, 9.5], [-65.03, 10.03], [-64.68, 10.18], [-64.53, 10.53], [-64.18, 10.68]]]]}, "2013-02-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-64.18, 10.68], [-64.03, 11.03], [-63.5, 11.25], [-63.25, 11.15], [-63.0, 11.25], [-62.47, 11.03], [-62.32, 10.68], [-61.97, 10.53], [-61.82, 10.18], [-61.75, 10.15], [-61.5, 10.25], [-60.97, 10.03], [-60.75, 9.5], [-60.97, 8.97], [-61.5, 8.75], [-61.75, 8.85], [-62.0, 8.75], [-62.5, 8.96], [-63.0, 8.75], [-63.25, 8.85], [-63.5, 8.75], [-63.75, 8.85], [-64.0, 8.75], [-64.25, 8.85], [-64.5, 8.75], [-65.03, 8.97], [-65.25, 9.5], [-65.03, 10.03], [-64.68, 10.18], [-64.53, 10.53], [-64.18, 10.68]]]]}, "2013-02-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-64.18, 10.68], [-64.03, 11.03], [-63.5, 11.25], [-63.25, 11.15], [-63.0, 11.25], [-62.47, 11.03], [-62.32, 10.68], [-61.97, 10.53], [-61.82, 10.18], [-61.75, 10.15], [-61.5, 10.25], [-60.97, 10.03], [-60.75, 9.5], [-60.85, 9.25], [-60.75, 9.0], [-60.97, 8.47], [-61.5, 8.25], [-62.03, 8.47], [-62.18, 8.82], [-62.25, 8.85], [-62.5, 8.75], [-62.75, 8.85], [-63.0, 8.75], [-63.25, 8.85], [-63.5, 8.75], [-63.75, 8.85], [-64.0, 8.75], [-64.25, 8.85], [-64.5, 8.75], [-65.03, 8.97], [-65.25, 9.5], [-65.03, 10.03], [-64.68, 10.18], [-64.53, 10.53], [-64.18, 10.68]]]]}, "2013-02-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-64.75, 10.0], [-64.53, 10.53], [-64.18, 10.68], [-64.03, 11.03], [-63.5, 11.25], [-63.25, 11.15], [-63.0, 11.25], [-62.75, 11.15], [-62.5, 11.25], [-62.25, 11.15], [-62.0, 11.25], [-61.75, 11.15], [-61.5, 11.25], [-61.25, 11.15], [-61.0, 11.25], [-60.47, 11.03], [-60.25, 10.5], [-60.47, 9.97], [-60.87, 9.8], [-60.75, 9.5], [-60.85, 9.25], [-60.75, 9.0], [-60.97, 8.47], [-61.5, 8.25], [-62.03, 8.47], [-62.18, 8.82], [-62.25, 8.85], [-62.5, 8.75], [-62.75, 8.85], [-63.0, 8.75], [-63.25, 8.85], [-63.5, 8.75], [-64.03, 8.97], [-64.18, 9.32], [-64.53, 9.47], [-64.75, 10.0]]]]}, "2013-02-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-63.75, 10.5], [-63.53, 11.03], [-63.0, 11.25], [-62.75, 11.15], [-62.5, 11.25], [-62.25, 11.15], [-62.0, 11.25], [-61.75, 11.15], [-61.5, 11.25], [-61.25, 11.15], [-61.0, 11.25], [-60.47, 11.03], [-60.25, 10.5], [-60.47, 9.97], [-60.87, 9.8], [-60.75, 9.5], [-60.85, 9.25], [-60.75, 9.0], [-60.97, 8.47], [-61.5, 8.25], [-62.03, 8.47], [-62.18, 8.82], [-62.25, 8.85], [-62.5, 8.75], [-62.75, 8.85], [-63.0, 8.75], [-63.25, 8.85], [-63.5, 8.75], [-64.03, 8.97], [-64.25, 9.5], [-64.03, 10.03], [-63.68, 10.18], [-63.65, 10.25], [-63.75, 10.5]]]]}, "2013-02-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-63.03, 9.97], [-63.25, 10.5], [-63.03, 11.03], [-62.5, 11.25], [-62.25, 11.15], [-62.0, 11.25], [-61.75, 11.15], [-61.5, 11.25], [-61.25, 11.15], [-61.0, 11.25], [-60.47, 11.03], [-60.25, 10.5], [-60.47, 9.97], [-60.87, 9.8], [-60.75, 9.5], [-60.97, 8.97], [-61.5, 8.75], [-62.03, 8.97], [-62.25, 9.5], [-62.12, 9.8], [-62.25, 9.85], [-62.5, 9.75], [-63.03, 9.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.6717323785053395}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.327500172355939}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.156059261662165, 26.76974613932714, 27.03213693469246, 26.69996100451982, 26.53455418502125, 26.897680754932708, 26.52483313589505]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [25.56264659870004, 29.544842423175567, 29.84457687044886, 29.360917520299267, 28.12382438247181, 28.083385086806572, 26.860533029844817]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.684488349241936, 1.6605028673064766, 1.6579230546119466, 1.2307429254748041, 1.2028401417972, 1.1557784683735604, 0.9037968562983906]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.998129474104985, 2.6717323785053395, 2.665926330740035, 1.5925633309289537, 1.724371055385859, 1.6490360452371533, 0.9872176939146584]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.7842486140436409, 1.764380958132487, 1.7797856373462155, 1.3191303583219847, 1.4638464898501706, 1.4405146356653282, 1.4487537947671711]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.051795682915449, 2.7188694928233805, 2.7080229668362072, 1.645289073560497, 1.88194973434646, 1.798500084571788, 1.6957322500734333]}}