{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:47:51.233718", "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-Jun-29_to_2011-Jul-03_304.0_6.5"}, "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": 2011060003051}, "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": "June 29 2011"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 03 2011"}, "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": 52255.883973219454}, "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": ["Guyana", "Suriname"]}, "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": ["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": 6.5}, "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": 304.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "304.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 302.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 306.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 4.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 6.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2011-06-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-57.25, 6.5], [-57.03, 7.03], [-56.5, 7.25], [-56.25, 7.15], [-56.0, 7.25], [-55.75, 7.15], [-55.5, 7.25], [-54.97, 7.03], [-54.75, 6.5], [-54.85, 6.25], [-54.82, 6.18], [-54.47, 6.03], [-54.32, 5.68], [-53.97, 5.53], [-53.75, 5.0], [-53.97, 4.47], [-54.5, 4.25], [-54.75, 4.35], [-55.0, 4.25], [-55.53, 4.47], [-55.75, 5.0], [-55.65, 5.25], [-55.68, 5.32], [-55.75, 5.35], [-56.0, 5.25], [-56.53, 5.47], [-56.68, 5.82], [-57.03, 5.97], [-57.25, 6.5]]]]}, "2011-06-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-58.25, 6.5], [-58.03, 7.03], [-57.5, 7.25], [-57.25, 7.15], [-57.0, 7.25], [-56.75, 7.15], [-56.5, 7.25], [-56.25, 7.15], [-56.0, 7.25], [-55.75, 7.15], [-55.5, 7.25], [-54.97, 7.03], [-54.75, 6.5], [-54.85, 6.25], [-54.82, 6.18], [-54.47, 6.03], [-54.32, 5.68], [-53.97, 5.53], [-53.75, 5.0], [-53.97, 4.47], [-54.5, 4.25], [-54.75, 4.35], [-55.0, 4.25], [-55.53, 4.47], [-55.75, 5.0], [-55.65, 5.25], [-55.68, 5.32], [-55.75, 5.35], [-56.0, 5.25], [-56.25, 5.35], [-56.5, 5.25], [-56.75, 5.35], [-57.0, 5.25], [-57.53, 5.47], [-57.68, 5.82], [-58.03, 5.97], [-58.25, 6.5]]]]}, "2011-07-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-58.03, 7.03], [-57.5, 7.25], [-57.25, 7.15], [-57.0, 7.25], [-56.75, 7.15], [-56.5, 7.25], [-56.25, 7.15], [-56.0, 7.25], [-55.75, 7.15], [-55.5, 7.25], [-55.25, 7.15], [-55.0, 7.25], [-54.47, 7.03], [-54.32, 6.68], [-54.25, 6.65], [-54.0, 6.75], [-53.47, 6.53], [-53.25, 6.0], [-53.47, 5.47], [-53.87, 5.3], [-53.75, 5.0], [-53.97, 4.47], [-54.5, 4.25], [-54.75, 4.35], [-55.0, 4.25], [-55.53, 4.47], [-55.75, 5.0], [-55.65, 5.25], [-55.68, 5.32], [-55.75, 5.35], [-56.0, 5.25], [-56.25, 5.35], [-56.5, 5.25], [-56.75, 5.35], [-57.0, 5.25], [-57.25, 5.35], [-57.5, 5.25], [-58.03, 5.47], [-58.25, 6.0], [-58.15, 6.25], [-58.25, 6.5], [-58.03, 7.03]]]]}, "2011-07-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-58.03, 7.03], [-57.5, 7.25], [-57.25, 7.15], [-57.0, 7.25], [-56.75, 7.15], [-56.5, 7.25], [-56.25, 7.15], [-56.0, 7.25], [-55.75, 7.15], [-55.5, 7.25], [-55.25, 7.15], [-55.0, 7.25], [-54.47, 7.03], [-54.32, 6.68], [-54.25, 6.65], [-54.0, 6.75], [-53.47, 6.53], [-53.25, 6.0], [-53.47, 5.47], [-54.0, 5.25], [-54.25, 5.35], [-54.37, 5.3], [-54.25, 5.0], [-54.47, 4.47], [-55.0, 4.25], [-55.53, 4.47], [-55.75, 5.0], [-55.62, 5.3], [-55.75, 5.35], [-56.0, 5.25], [-56.25, 5.35], [-56.5, 5.25], [-56.75, 5.35], [-57.0, 5.25], [-57.25, 5.35], [-57.5, 5.25], [-58.03, 5.47], [-58.25, 6.0], [-58.15, 6.25], [-58.25, 6.5], [-58.03, 7.03]]]]}, "2011-07-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-58.03, 7.03], [-57.5, 7.25], [-57.25, 7.15], [-57.0, 7.25], [-56.75, 7.15], [-56.5, 7.25], [-56.25, 7.15], [-56.0, 7.25], [-55.75, 7.15], [-55.5, 7.25], [-55.25, 7.15], [-55.0, 7.25], [-54.47, 7.03], [-54.32, 6.68], [-54.25, 6.65], [-54.0, 6.75], [-53.47, 6.53], [-53.25, 6.0], [-53.47, 5.47], [-54.0, 5.25], [-54.25, 5.35], [-54.5, 5.25], [-54.75, 5.35], [-55.0, 5.25], [-55.25, 5.35], [-55.5, 5.25], [-55.75, 5.35], [-56.0, 5.25], [-56.25, 5.35], [-56.5, 5.25], [-56.75, 5.35], [-57.0, 5.25], [-57.25, 5.35], [-57.5, 5.25], [-58.03, 5.47], [-58.25, 6.0], [-58.15, 6.25], [-58.25, 6.5], [-58.03, 7.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.4077041672557016}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 0.8736720014584213}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.592539319923674, 26.609870251254563, 26.786330470887037, 27.044417033486695, 27.10244073506277]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.80998393038459, 26.798995554342753, 27.066488706470636, 27.339674751446694, 27.437308521977172]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.7116464571087917, 0.6824349946371105, 0.8195776590926016, 1.0168624865384837, 1.0424430715063326]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [0.9236960141276995, 0.8113026467376017, 1.12701155569016, 1.1871318729539553, 1.4077041672557016]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6449336125931453, 1.5838954256461653, 1.8217263408461097, 2.293321718753224, 2.3449538254812876]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.853133838904316, 1.8761637284013113, 2.28885731022919, 2.7450847595004495, 3.021349282197918]}}