{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:49:45.191614", "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": "2012-Feb-26_to_2012-Mar-05_34.0_-20.5"}, "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": 2012020002647}, "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 26 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 05 2012"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 9}, "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": 169498.47797877007}, "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": ["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": ["Mozambique Channel"]}, "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": -20.5}, "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": 34.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "34.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 32.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 37.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -21.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -16.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2012-02-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[33.5, -19.75], [34.03, -19.97], [34.25, -20.5], [34.03, -21.03], [33.5, -21.25], [32.97, -21.03], [32.75, -20.5], [32.97, -19.97], [33.5, -19.75]]]]}, "2012-02-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[32.97, -19.97], [33.32, -19.82], [33.47, -19.47], [34.0, -19.25], [34.53, -19.47], [34.68, -19.82], [35.03, -19.97], [35.25, -20.5], [35.03, -21.03], [34.68, -21.18], [34.53, -21.53], [34.0, -21.75], [33.75, -21.65], [33.5, -21.75], [32.97, -21.53], [32.75, -21.0], [32.85, -20.75], [32.75, -20.5], [32.97, -19.97]]]]}, "2012-02-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[32.97, -19.97], [33.32, -19.82], [33.47, -19.47], [34.0, -19.25], [34.25, -19.35], [34.5, -19.25], [35.03, -19.47], [35.25, -20.0], [35.15, -20.25], [35.25, -20.5], [35.03, -21.03], [34.68, -21.18], [34.53, -21.53], [34.0, -21.75], [33.75, -21.65], [33.5, -21.75], [32.97, -21.53], [32.75, -21.0], [32.85, -20.75], [32.75, -20.5], [32.97, -19.97]]]]}, "2012-02-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[32.97, -19.97], [33.32, -19.82], [33.35, -19.75], [33.25, -19.5], [33.47, -18.97], [34.0, -18.75], [34.53, -18.97], [34.68, -19.32], [35.03, -19.47], [35.25, -20.0], [35.15, -20.25], [35.25, -20.5], [35.15, -20.75], [35.25, -21.0], [35.03, -21.53], [34.5, -21.75], [34.25, -21.65], [34.0, -21.75], [33.75, -21.65], [33.5, -21.75], [32.97, -21.53], [32.75, -21.0], [32.85, -20.75], [32.75, -20.5], [32.97, -19.97]]]]}, "2012-03-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[32.97, -19.97], [33.32, -19.82], [33.35, -19.75], [33.25, -19.5], [33.47, -18.97], [34.0, -18.75], [34.25, -18.85], [34.5, -18.75], [35.03, -18.97], [35.25, -19.5], [35.15, -19.75], [35.25, -20.0], [35.15, -20.25], [35.25, -20.5], [35.15, -20.75], [35.25, -21.0], [35.03, -21.53], [34.5, -21.75], [34.25, -21.65], [34.0, -21.75], [33.75, -21.65], [33.5, -21.75], [32.97, -21.53], [32.75, -21.0], [32.85, -20.75], [32.75, -20.5], [32.97, -19.97]]]]}, "2012-03-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[32.96, -19.5], [32.75, -19.0], [32.85, -18.75], [32.75, -18.5], [32.97, -17.97], [33.38, -17.8], [33.25, -17.5], [33.47, -16.97], [34.0, -16.75], [34.25, -16.85], [34.5, -16.75], [34.75, -16.85], [35.0, -16.75], [35.53, -16.97], [35.68, -17.32], [36.03, -17.47], [36.25, -18.0], [36.15, -18.25], [36.25, -18.5], [36.15, -18.75], [36.25, -19.0], [36.03, -19.53], [35.68, -19.68], [35.65, -19.75], [35.75, -20.0], [35.65, -20.25], [35.75, -20.5], [35.53, -21.03], [35.18, -21.18], [35.03, -21.53], [34.5, -21.75], [34.25, -21.65], [34.0, -21.75], [33.47, -21.53], [33.32, -21.18], [32.97, -21.03], [32.75, -20.5], [32.85, -20.25], [32.75, -20.0], [32.96, -19.5]]]]}, "2012-03-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[32.35, -18.25], [32.25, -18.0], [32.47, -17.47], [32.82, -17.32], [32.97, -16.97], [33.32, -16.82], [33.47, -16.47], [33.82, -16.32], [33.97, -15.97], [34.5, -15.75], [35.03, -15.97], [35.18, -16.32], [35.53, -16.47], [35.68, -16.82], [35.75, -16.85], [36.0, -16.75], [36.25, -16.85], [36.5, -16.75], [37.03, -16.97], [37.18, -17.32], [37.53, -17.47], [37.75, -18.0], [37.53, -18.53], [37.18, -18.68], [37.03, -19.03], [36.68, -19.18], [36.65, -19.25], [36.75, -19.5], [36.65, -19.75], [36.75, -20.0], [36.53, -20.53], [36.0, -20.75], [35.75, -20.65], [35.68, -20.68], [35.65, -20.75], [35.75, -21.0], [35.65, -21.25], [35.75, -21.5], [35.53, -22.03], [35.0, -22.25], [34.75, -22.15], [34.5, -22.25], [34.25, -22.15], [34.0, -22.25], [33.47, -22.03], [33.32, -21.68], [32.97, -21.53], [32.75, -21.0], [32.85, -20.75], [32.75, -20.5], [32.85, -20.25], [32.75, -20.0], [32.85, -19.75], [32.82, -19.68], [32.47, -19.53], [32.25, -19.0], [32.35, -18.75], [32.25, -18.5], [32.35, -18.25]]]]}, "2012-03-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[32.35, -18.25], [32.25, -18.0], [32.47, -17.47], [32.82, -17.32], [32.97, -16.97], [33.32, -16.82], [33.47, -16.47], [33.82, -16.32], [33.97, -15.97], [34.5, -15.75], [35.03, -15.97], [35.18, -16.32], [35.53, -16.47], [35.68, -16.82], [35.75, -16.85], [36.0, -16.75], [36.25, -16.85], [36.5, -16.75], [37.03, -16.97], [37.18, -17.32], [37.53, -17.47], [37.75, -18.0], [37.53, -18.53], [37.18, -18.68], [37.03, -19.03], [36.68, -19.18], [36.65, -19.25], [36.75, -19.5], [36.65, -19.75], [36.75, -20.0], [36.53, -20.53], [36.0, -20.75], [35.75, -20.65], [35.68, -20.68], [35.65, -20.75], [35.75, -21.0], [35.65, -21.25], [35.75, -21.5], [35.53, -22.03], [35.0, -22.25], [34.75, -22.15], [34.5, -22.25], [34.25, -22.15], [34.0, -22.25], [33.47, -22.03], [33.32, -21.68], [32.97, -21.53], [32.75, -21.0], [32.85, -20.75], [32.75, -20.5], [32.85, -20.25], [32.75, -20.0], [32.85, -19.75], [32.82, -19.68], [32.47, -19.53], [32.25, -19.0], [32.35, -18.75], [32.25, -18.5], [32.35, -18.25]]]]}, "2012-03-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[32.35, -18.25], [32.25, -18.0], [32.47, -17.47], [32.82, -17.32], [32.97, -16.97], [33.32, -16.82], [33.47, -16.47], [33.82, -16.32], [33.97, -15.97], [34.5, -15.75], [35.03, -15.97], [35.18, -16.32], [35.53, -16.47], [35.68, -16.82], [35.75, -16.85], [36.0, -16.75], [36.25, -16.85], [36.5, -16.75], [37.03, -16.97], [37.18, -17.32], [37.53, -17.47], [37.75, -18.0], [37.53, -18.53], [37.18, -18.68], [37.03, -19.03], [36.68, -19.18], [36.65, -19.25], [36.75, -19.5], [36.65, -19.75], [36.75, -20.0], [36.53, -20.53], [36.0, -20.75], [35.75, -20.65], [35.68, -20.68], [35.65, -20.75], [35.75, -21.0], [35.65, -21.25], [35.75, -21.5], [35.53, -22.03], [35.0, -22.25], [34.75, -22.15], [34.5, -22.25], [34.25, -22.15], [34.0, -22.25], [33.47, -22.03], [33.32, -21.68], [32.97, -21.53], [32.75, -21.0], [32.85, -20.75], [32.75, -20.5], [32.85, -20.25], [32.75, -20.0], [32.85, -19.75], [32.82, -19.68], [32.47, -19.53], [32.25, -19.0], [32.35, -18.75], [32.25, -18.5], [32.35, -18.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 6.411174841277102}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.3241205997423275}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [29.089550482423363, 29.109040690806467, 28.85111524975241, 29.193227563127834, 29.251078279924343, 28.49185893174706, 28.43929869625555, 30.616283254725204, 29.841811839191735]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [29.089550482423363, 29.839594278679044, 29.764069721194574, 30.190352184275923, 30.389053443375644, 29.714257543248152, 30.279313318089805, 33.22572251022825, 32.50215322108494]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.8206714305705987, 2.549509365820105, 2.3201052020463635, 2.6753062481934964, 2.768722585136544, 2.270587899372753, 2.416122553467084, 4.62028470914576, 3.8328151672443598]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.8206714305705987, 3.4124804873156904, 2.788815738190806, 3.3687156380681245, 3.2812497944881898, 3.1554395760056195, 3.5417787466192863, 6.411174841277102, 6.14845279725796]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5546907853345522, 1.5994701796411717, 1.4922962073514239, 1.772946266484658, 1.8154374892232163, 1.5527004594290625, 1.7712947116188618, 3.1254782742653475, 2.4746729539953063]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5546907853345522, 1.9122930425913611, 1.7116562609446757, 2.0395224611433695, 2.121604849009599, 2.295925941750744, 2.9631785233590677, 3.9248151065745236, 3.321121115120061]}}