{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:48:04.047635", "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-Jul-26_to_2011-Jul-30_36.0_-12.5"}, "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": 2011070003113}, "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": "July 26 2011"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 30 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": 50994.06813387439}, "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": ["Malawi", "Mozambique"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.Southern-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": -12.5}, "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": 36.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "36.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 34.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 38.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -15.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -12.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2011-07-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[36.0, -11.75], [36.53, -11.97], [36.75, -12.5], [36.53, -13.03], [36.18, -13.18], [36.03, -13.53], [35.5, -13.75], [34.97, -13.53], [34.75, -13.0], [34.97, -12.47], [35.32, -12.32], [35.47, -11.97], [36.0, -11.75]]]]}, "2011-07-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[34.82, -13.68], [34.47, -13.53], [34.25, -13.0], [34.47, -12.47], [34.82, -12.32], [34.97, -11.97], [35.5, -11.75], [35.75, -11.85], [36.0, -11.75], [36.53, -11.97], [36.75, -12.5], [36.65, -12.75], [36.75, -13.0], [36.65, -13.25], [36.7, -13.37], [37.0, -13.25], [37.53, -13.47], [37.75, -14.0], [37.63, -14.3], [37.75, -14.35], [38.0, -14.25], [38.53, -14.47], [38.75, -15.0], [38.65, -15.25], [38.75, -15.5], [38.53, -16.03], [38.0, -16.25], [37.47, -16.03], [37.32, -15.68], [37.0, -15.54], [36.5, -15.75], [35.97, -15.53], [35.75, -15.0], [35.85, -14.75], [35.82, -14.68], [35.75, -14.65], [35.68, -14.68], [35.53, -15.03], [35.0, -15.25], [34.47, -15.03], [34.25, -14.5], [34.47, -13.97], [34.82, -13.82], [34.85, -13.75], [34.82, -13.68]]]]}, "2011-07-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[34.82, -13.68], [34.47, -13.53], [34.25, -13.0], [34.47, -12.47], [34.82, -12.32], [34.97, -11.97], [35.5, -11.75], [35.75, -11.85], [36.0, -11.75], [36.53, -11.97], [36.75, -12.5], [36.65, -12.75], [36.75, -13.0], [36.65, -13.25], [36.7, -13.37], [37.0, -13.25], [37.53, -13.47], [37.75, -14.0], [37.65, -14.25], [37.68, -14.32], [37.75, -14.35], [38.0, -14.25], [38.53, -14.47], [38.75, -15.0], [38.65, -15.25], [38.75, -15.5], [38.53, -16.03], [38.0, -16.25], [37.47, -16.03], [37.32, -15.68], [37.0, -15.54], [36.5, -15.75], [35.97, -15.53], [35.75, -15.0], [35.85, -14.75], [35.82, -14.68], [35.75, -14.65], [35.68, -14.68], [35.53, -15.03], [35.0, -15.25], [34.47, -15.03], [34.25, -14.5], [34.47, -13.97], [34.82, -13.82], [34.85, -13.75], [34.82, -13.68]]]]}, "2011-07-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[34.82, -13.68], [34.47, -13.53], [34.25, -13.0], [34.47, -12.47], [34.82, -12.32], [34.97, -11.97], [35.5, -11.75], [35.75, -11.85], [36.0, -11.75], [36.53, -11.97], [36.75, -12.5], [36.65, -12.75], [36.75, -13.0], [36.65, -13.25], [36.7, -13.37], [37.0, -13.25], [37.53, -13.47], [37.75, -14.0], [37.65, -14.25], [37.68, -14.32], [37.75, -14.35], [38.0, -14.25], [38.53, -14.47], [38.75, -15.0], [38.65, -15.25], [38.75, -15.5], [38.53, -16.03], [38.0, -16.25], [37.47, -16.03], [37.32, -15.68], [37.0, -15.54], [36.5, -15.75], [35.97, -15.53], [35.75, -15.0], [35.85, -14.75], [35.82, -14.68], [35.75, -14.65], [35.68, -14.68], [35.53, -15.03], [35.0, -15.25], [34.47, -15.03], [34.25, -14.5], [34.47, -13.97], [34.82, -13.82], [34.85, -13.75], [34.82, -13.68]]]]}, "2011-07-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[36.0, -13.25], [36.53, -13.47], [36.68, -13.82], [36.75, -13.85], [37.0, -13.75], [37.53, -13.97], [37.68, -14.32], [38.03, -14.47], [38.25, -15.0], [38.03, -15.53], [37.5, -15.75], [37.0, -15.54], [36.5, -15.75], [35.97, -15.53], [35.75, -15.0], [35.85, -14.75], [35.82, -14.68], [35.7, -14.62], [35.53, -15.03], [35.0, -15.25], [34.47, -15.03], [34.25, -14.5], [34.47, -13.97], [35.0, -13.75], [35.3, -13.87], [35.47, -13.47], [36.0, -13.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.730326997326358}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.1357411837031326}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [19.733627002101287, 21.01075998033201, 21.112847820939294, 20.906486688328187, 22.057187683950303]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [20.888148302296486, 22.452802130910925, 22.701403002776544, 22.764476146570587, 22.876012714674573]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.0710904511583976, 2.2536119881045096, 2.206395034303602, 1.9775116470097989, 2.0911003934108217]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.3484593687033453, 2.6607892355536933, 2.5156267704616653, 2.6584037028397347, 2.730326997326358]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.7360789458697625, 1.6931301704333548, 1.6630899435180748, 1.4876634170250382, 1.535803449973878]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.146279002564177, 2.2803505516671856, 2.0523997290354092, 1.757923332504422, 1.82245344137373]}}