{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:47:29.080189", "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-May-03_to_2011-May-07_0.5_10.5"}, "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": 2011050001696}, "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": "May 03 2011"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 07 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": 76305.01146429147}, "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": ["Ghana", "Togo"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Western-Africa"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Africa"]}, "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": 10.5}, "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": 360.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "0.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 358.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 361.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 6.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 11.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2011-05-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-0.03, 11.53], [0.5, 11.75], [1.03, 11.53], [1.25, 11.0], [1.15, 10.75], [1.25, 10.5], [1.03, 9.97], [0.5, 9.75], [-0.03, 9.97], [-0.25, 10.5], [-0.15, 10.75], [-0.25, 11.0], [-0.03, 11.53]]]]}, "2011-05-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-0.03, 11.53], [0.5, 11.75], [1.03, 11.53], [1.25, 11.0], [1.15, 10.75], [1.25, 10.5], [1.03, 9.97], [0.5, 9.75], [-0.03, 9.97], [-0.25, 10.5], [-0.15, 10.75], [-0.25, 11.0], [-0.03, 11.53]]]]}, "2011-05-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-1.75, 9.0], [-1.53, 9.53], [-1.18, 9.68], [-1.15, 9.75], [-1.25, 10.0], [-1.03, 10.53], [-0.68, 10.68], [-0.53, 11.03], [-0.18, 11.18], [-0.03, 11.53], [0.5, 11.75], [1.03, 11.53], [1.25, 11.0], [1.15, 10.75], [1.18, 10.68], [1.53, 10.53], [1.75, 10.0], [1.65, 9.75], [1.75, 9.5], [1.54, 9.0], [1.75, 8.5], [1.53, 7.97], [1.18, 7.82], [1.03, 7.47], [0.68, 7.32], [0.65, 7.25], [0.75, 7.0], [0.53, 6.47], [0.0, 6.25], [-0.53, 6.47], [-0.68, 6.82], [-1.03, 6.97], [-1.25, 7.5], [-1.15, 7.75], [-1.25, 8.0], [-1.15, 8.25], [-1.18, 8.32], [-1.53, 8.47], [-1.75, 9.0]]]]}, "2011-05-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-1.75, 9.0], [-1.53, 9.53], [-1.18, 9.68], [-1.15, 9.75], [-1.25, 10.0], [-1.03, 10.53], [-0.68, 10.68], [-0.53, 11.03], [-0.18, 11.18], [-0.03, 11.53], [0.5, 11.75], [1.03, 11.53], [1.25, 11.0], [1.15, 10.75], [1.18, 10.68], [1.53, 10.53], [1.75, 10.0], [1.65, 9.75], [1.75, 9.5], [1.54, 9.0], [1.75, 8.5], [1.53, 7.97], [1.18, 7.82], [1.03, 7.47], [0.68, 7.32], [0.65, 7.25], [0.75, 7.0], [0.53, 6.47], [0.0, 6.25], [-0.53, 6.47], [-0.68, 6.82], [-1.03, 6.97], [-1.25, 7.5], [-1.15, 7.75], [-1.25, 8.0], [-1.15, 8.25], [-1.18, 8.32], [-1.53, 8.47], [-1.75, 9.0]]]]}, "2011-05-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-1.75, 9.0], [-1.53, 9.53], [-1.18, 9.68], [-1.15, 9.75], [-1.25, 10.0], [-1.03, 10.53], [-0.68, 10.68], [-0.53, 11.03], [0.0, 11.25], [0.25, 11.15], [0.5, 11.25], [1.03, 11.03], [1.18, 10.68], [1.53, 10.53], [1.75, 10.0], [1.65, 9.75], [1.75, 9.5], [1.54, 9.0], [1.75, 8.5], [1.53, 7.97], [1.18, 7.82], [1.03, 7.47], [0.68, 7.32], [0.65, 7.25], [0.75, 7.0], [0.53, 6.47], [0.0, 6.25], [-0.53, 6.47], [-0.68, 6.82], [-1.03, 6.97], [-1.25, 7.5], [-1.15, 7.75], [-1.25, 8.0], [-1.15, 8.25], [-1.18, 8.32], [-1.53, 8.47], [-1.75, 9.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.82969789442069}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.1194060744955117}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [34.01775028852063, 33.780401241832294, 31.267927533683064, 31.48351844557817, 31.456336720940442]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [34.286611892804785, 33.9407776510256, 33.80676889206558, 33.93724052721376, 33.229011873082015]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.6171472967087084, 2.4143091316389302, 1.916381074546382, 2.15018874988388, 2.232771472633253]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.7678162108581432, 2.4590735316555197, 2.685236385132896, 2.82969789442069, 2.7121180575121002]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5281104286091698, 1.4021505222428736, 1.4797482684742134, 1.7095379296338518, 1.836402316161955]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5676701390655856, 1.4191343990313947, 1.841824392474258, 2.103232109347913, 2.3814563158494177]}}