{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:47:06.807505", "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": "2011-Mar-31_to_2011-Apr-03_316.0_-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": 2011030002669}, "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": "March 31 2011"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 03 2011"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 67781.15714366629}, "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.E.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": 316.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "316.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 313.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 316.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -5.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -3.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2011-03-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-46.65, -4.75], [-46.75, -4.5], [-46.54, -4.0], [-46.75, -3.5], [-46.53, -2.97], [-46.0, -2.75], [-45.75, -2.85], [-45.5, -2.75], [-44.97, -2.97], [-44.8, -3.38], [-44.5, -3.25], [-43.97, -3.47], [-43.75, -4.0], [-43.85, -4.25], [-43.82, -4.32], [-43.47, -4.47], [-43.25, -5.0], [-43.47, -5.53], [-43.82, -5.68], [-43.97, -6.03], [-44.5, -6.25], [-44.75, -6.15], [-45.0, -6.25], [-45.25, -6.15], [-45.5, -6.25], [-45.75, -6.15], [-46.0, -6.25], [-46.53, -6.03], [-46.75, -5.5], [-46.65, -5.25], [-46.75, -5.0], [-46.65, -4.75]]]]}, "2011-04-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-47.25, -4.0], [-47.03, -3.47], [-46.68, -3.32], [-46.53, -2.97], [-46.0, -2.75], [-45.75, -2.85], [-45.5, -2.75], [-44.97, -2.97], [-44.82, -3.32], [-44.75, -3.35], [-44.5, -3.25], [-44.25, -3.35], [-44.0, -3.25], [-43.47, -3.47], [-43.25, -4.0], [-43.35, -4.25], [-43.25, -4.5], [-43.35, -4.75], [-43.25, -5.0], [-43.35, -5.25], [-43.25, -5.5], [-43.47, -6.03], [-44.0, -6.25], [-44.25, -6.15], [-44.5, -6.25], [-44.75, -6.15], [-45.0, -6.25], [-45.25, -6.15], [-45.5, -6.25], [-45.75, -6.15], [-46.0, -6.25], [-46.53, -6.03], [-46.75, -5.5], [-46.65, -5.25], [-46.75, -5.0], [-46.65, -4.75], [-46.68, -4.68], [-47.03, -4.53], [-47.25, -4.0]]]]}, "2011-04-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-47.25, -4.0], [-47.03, -3.47], [-46.68, -3.32], [-46.53, -2.97], [-46.0, -2.75], [-45.75, -2.85], [-45.5, -2.75], [-44.97, -2.97], [-44.82, -3.32], [-44.75, -3.35], [-44.5, -3.25], [-44.25, -3.35], [-44.0, -3.25], [-43.47, -3.47], [-43.25, -4.0], [-43.35, -4.25], [-43.25, -4.5], [-43.35, -4.75], [-43.25, -5.0], [-43.35, -5.25], [-43.25, -5.5], [-43.47, -6.03], [-44.0, -6.25], [-44.25, -6.15], [-44.5, -6.25], [-44.75, -6.15], [-45.0, -6.25], [-45.25, -6.15], [-45.5, -6.25], [-45.75, -6.15], [-46.0, -6.25], [-46.53, -6.03], [-46.75, -5.5], [-46.65, -5.25], [-46.75, -5.0], [-46.65, -4.75], [-46.68, -4.68], [-47.03, -4.53], [-47.25, -4.0]]]]}, "2011-04-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-47.03, -4.53], [-47.25, -4.0], [-47.03, -3.47], [-46.5, -3.25], [-46.25, -3.35], [-46.0, -3.25], [-45.75, -3.35], [-45.5, -3.25], [-45.25, -3.35], [-45.0, -3.25], [-44.5, -3.46], [-44.0, -3.25], [-43.47, -3.47], [-43.25, -4.0], [-43.35, -4.25], [-43.25, -4.5], [-43.35, -4.75], [-43.25, -5.0], [-43.35, -5.25], [-43.25, -5.5], [-43.47, -6.03], [-44.0, -6.25], [-44.53, -6.03], [-44.75, -5.5], [-44.65, -5.25], [-44.75, -5.0], [-44.65, -4.75], [-44.7, -4.62], [-45.0, -4.75], [-45.25, -4.65], [-45.5, -4.75], [-45.75, -4.65], [-46.0, -4.75], [-46.25, -4.65], [-46.5, -4.75], [-47.03, -4.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.2138189820239518}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.5378338596601815}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.087808907099372, 27.561082492716707, 27.593392089100576, 27.324495430024342]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.718130984210973, 28.582604519530378, 28.489146723897136, 27.82491253737345]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.3110045910194497, 1.6884845412718361, 1.6603358594931876, 1.2119688643887372]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.6345533163867003, 2.2138189820239518, 1.9633557913456343, 1.3515180657922201]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5080609275471468, 1.9957362365482048, 1.996310585628798, 1.462417105914546]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8207532155379638, 2.5981656672343694, 2.410281417321344, 1.5921024069845136]}}