{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:31:38.244264", "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": "2022-Jul-08_to_2022-Jul-12_40.0_-10.0"}, "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": 2022070000371}, "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 08 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 12 2022"}, "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": "Cold spell"}, "area": {"name": "Area", "description": "The area (in square meters) encompassing all grid points under the influence of an event during its lifetime.", "value": 54959.028743402465}, "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", "Tanzania"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.Southern-Africa", "S.Eastern-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": ["Indian 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": -10.0}, "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": 40.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "40.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 37.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 40.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -11.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -7.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-07-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[40.0, -9.25], [40.53, -9.47], [40.75, -10.0], [40.53, -10.53], [40.0, -10.75], [39.47, -10.53], [39.25, -10.0], [39.47, -9.47], [40.0, -9.25]]]]}, "2022-07-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[38.97, -7.97], [39.5, -7.75], [40.03, -7.97], [40.25, -8.5], [40.15, -8.75], [40.25, -9.0], [40.13, -9.3], [40.53, -9.47], [40.75, -10.0], [40.65, -10.25], [40.68, -10.32], [41.03, -10.47], [41.25, -11.0], [41.03, -11.53], [40.5, -11.75], [39.97, -11.53], [39.82, -11.18], [39.47, -11.03], [39.25, -10.5], [39.35, -10.25], [39.25, -10.0], [39.38, -9.7], [38.97, -9.53], [38.75, -9.0], [38.85, -8.75], [38.75, -8.5], [38.97, -7.97]]]]}, "2022-07-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[37.25, -8.5], [37.47, -7.97], [37.82, -7.82], [37.85, -7.75], [37.75, -7.5], [37.97, -6.97], [38.5, -6.75], [38.75, -6.85], [39.0, -6.75], [39.53, -6.97], [39.68, -7.32], [40.03, -7.47], [40.25, -8.0], [40.15, -8.25], [40.25, -8.5], [40.15, -8.75], [40.25, -9.0], [40.15, -9.25], [40.18, -9.32], [40.53, -9.47], [40.75, -10.0], [40.65, -10.25], [40.68, -10.32], [41.03, -10.47], [41.25, -11.0], [41.03, -11.53], [40.5, -11.75], [39.97, -11.53], [39.82, -11.18], [39.47, -11.03], [39.32, -10.68], [38.97, -10.53], [38.82, -10.18], [38.47, -10.03], [38.32, -9.68], [37.97, -9.53], [37.82, -9.18], [37.47, -9.03], [37.25, -8.5]]]]}, "2022-07-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[37.25, -8.5], [37.47, -7.97], [37.82, -7.82], [37.85, -7.75], [37.75, -7.5], [37.97, -6.97], [38.5, -6.75], [38.75, -6.85], [39.0, -6.75], [39.53, -6.97], [39.68, -7.32], [40.03, -7.47], [40.25, -8.0], [40.15, -8.25], [40.25, -8.5], [40.15, -8.75], [40.25, -9.0], [40.15, -9.25], [40.18, -9.32], [40.53, -9.47], [40.75, -10.0], [40.65, -10.25], [40.68, -10.32], [41.03, -10.47], [41.25, -11.0], [41.03, -11.53], [40.5, -11.75], [39.97, -11.53], [39.82, -11.18], [39.47, -11.03], [39.32, -10.68], [38.97, -10.53], [38.82, -10.18], [38.47, -10.03], [38.32, -9.68], [37.97, -9.53], [37.82, -9.18], [37.47, -9.03], [37.25, -8.5]]]]}, "2022-07-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[37.25, -8.5], [37.47, -7.97], [37.82, -7.82], [37.85, -7.75], [37.75, -7.5], [37.97, -6.97], [38.5, -6.75], [38.75, -6.85], [39.0, -6.75], [39.53, -6.97], [39.68, -7.32], [40.03, -7.47], [40.25, -8.0], [40.04, -8.5], [40.25, -9.0], [40.15, -9.25], [40.18, -9.32], [40.53, -9.47], [40.75, -10.0], [40.65, -10.25], [40.75, -10.5], [40.53, -11.03], [40.0, -11.25], [39.47, -11.03], [39.32, -10.68], [38.97, -10.53], [38.82, -10.18], [38.47, -10.03], [38.32, -9.68], [37.97, -9.53], [37.82, -9.18], [37.47, -9.03], [37.25, -8.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -2.1138135361026684}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -1.1890684308115944}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [23.992759973348882, 23.43511119751122, 22.956683697397978, 22.67147542421185, 22.650932768778603]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [23.992759973348882, 22.420167783134957, 21.348456758457417, 21.4152516959345, 21.329210759523335]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-0.6440506039069192, -0.8757127538382065, -1.0585052797787473, -1.3391746424910846, -1.2990697508198465]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-0.6440506039069192, -1.2052900901552448, -1.272406797317501, -2.1138135361026684, -1.8640701644025057]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.459596955538753, -1.7473434139655173, -1.7784323904781347, -2.138232817198575, -1.9926761852368828]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-1.459596955538753, -2.295876047233476, -2.549228276372874, -3.4042769001076394, -2.687440835014743]}}