{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:19:04.474298", "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": "2019-Jan-30_to_2019-Feb-03_13.5_2.0"}, "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": 2019010002854}, "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": "January 30 2019"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 03 2019"}, "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": 52513.96087256895}, "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": ["Cameroon", "Congo", "Gabon"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Central-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": 2.0}, "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": 13.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "13.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 11.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 14.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 0.75}, "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": {"2019-01-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[12.97, 1.47], [12.75, 2.0], [12.97, 2.53], [13.5, 2.75], [13.75, 2.65], [14.0, 2.75], [14.53, 2.53], [14.75, 2.0], [14.53, 1.47], [14.0, 1.25], [13.75, 1.35], [13.5, 1.25], [12.97, 1.47]]]]}, "2019-01-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[10.97, 2.53], [11.5, 2.75], [11.75, 2.65], [11.82, 2.68], [11.85, 2.75], [11.75, 3.0], [11.97, 3.53], [12.5, 3.75], [13.03, 3.53], [13.18, 3.18], [13.25, 3.15], [13.5, 3.25], [14.03, 3.03], [14.18, 2.68], [14.53, 2.53], [14.75, 2.0], [14.65, 1.75], [14.75, 1.5], [14.53, 0.97], [14.18, 0.82], [14.03, 0.47], [13.5, 0.25], [12.97, 0.47], [12.82, 0.82], [12.75, 0.85], [12.5, 0.75], [12.25, 0.85], [12.0, 0.75], [11.75, 0.85], [11.5, 0.75], [10.97, 0.97], [10.75, 1.5], [10.85, 1.75], [10.75, 2.0], [10.97, 2.53]]]]}, "2019-02-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[10.97, 2.53], [11.5, 2.75], [11.75, 2.65], [11.82, 2.68], [11.85, 2.75], [11.75, 3.0], [11.97, 3.53], [12.5, 3.75], [13.03, 3.53], [13.18, 3.18], [13.25, 3.15], [13.32, 3.18], [13.47, 3.53], [14.0, 3.75], [14.53, 3.53], [14.75, 3.0], [14.54, 2.5], [14.75, 2.0], [14.65, 1.75], [14.75, 1.5], [14.53, 0.97], [14.18, 0.82], [14.03, 0.47], [13.5, 0.25], [12.97, 0.47], [12.82, 0.82], [12.75, 0.85], [12.5, 0.75], [12.25, 0.85], [12.0, 0.75], [11.75, 0.85], [11.5, 0.75], [10.97, 0.97], [10.75, 1.5], [10.85, 1.75], [10.75, 2.0], [10.97, 2.53]]]]}, "2019-02-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[10.97, 2.53], [11.5, 2.75], [11.75, 2.65], [11.82, 2.68], [11.85, 2.75], [11.75, 3.0], [11.97, 3.53], [12.5, 3.75], [13.03, 3.53], [13.18, 3.18], [13.25, 3.15], [13.32, 3.18], [13.47, 3.53], [14.0, 3.75], [14.53, 3.53], [14.75, 3.0], [14.54, 2.5], [14.75, 2.0], [14.65, 1.75], [14.75, 1.5], [14.53, 0.97], [14.18, 0.82], [14.03, 0.47], [13.5, 0.25], [12.97, 0.47], [12.82, 0.82], [12.75, 0.85], [12.5, 0.75], [12.25, 0.85], [12.0, 0.75], [11.75, 0.85], [11.5, 0.75], [10.97, 0.97], [10.75, 1.5], [10.85, 1.75], [10.75, 2.0], [10.97, 2.53]]]]}, "2019-02-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[13.32, 3.18], [13.47, 3.53], [14.0, 3.75], [14.53, 3.53], [14.75, 3.0], [14.54, 2.5], [14.75, 2.0], [14.65, 1.75], [14.75, 1.5], [14.53, 0.97], [14.0, 0.75], [13.47, 0.97], [13.32, 1.32], [13.25, 1.35], [13.0, 1.25], [12.47, 1.47], [12.25, 2.0], [12.47, 2.53], [12.82, 2.68], [12.97, 3.03], [13.32, 3.18]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.254939106184679}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.7157782999103932}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.860017583116473, 26.33077957939122, 26.403230846068425, 26.49758247361524, 26.48599145658403]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.041551932632558, 26.935736730025837, 27.17700025349228, 27.15129984043523, 26.872997382671883]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.2632212443869548, 1.702317626806778, 1.7419326324983933, 1.7732204348134981, 1.6656691221363833]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.2728973790233908, 2.0523883052533733, 2.254939106184679, 2.1193227110855446, 1.9438910533881426]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.284448978363862, 1.7133646491529344, 1.6906011825204617, 1.6970936930583769, 1.5212429753724626]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.2962213270401757, 2.03671555249984, 2.1299866717682563, 2.0143104895224995, 1.7499100036398478]}}