{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:56:48.869051", "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": "2014-Jul-10_to_2014-Jul-13_36.5_3.5"}, "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": 2014070000528}, "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 10 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 13 2014"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 61683.438292885636}, "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": ["Ethiopia", "Kenya", "South Sudan"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.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": []}, "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": 3.5}, "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": 36.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "36.5\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": 37.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 2.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 5.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-07-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[34.25, 3.5], [34.47, 4.03], [34.82, 4.18], [34.85, 4.25], [34.75, 4.5], [34.85, 4.75], [34.75, 5.0], [34.97, 5.53], [35.5, 5.75], [35.75, 5.65], [36.0, 5.75], [36.25, 5.65], [36.5, 5.75], [37.03, 5.53], [37.25, 5.0], [37.15, 4.75], [37.18, 4.68], [37.53, 4.53], [37.75, 4.0], [37.65, 3.75], [37.75, 3.5], [37.65, 3.25], [37.75, 3.0], [37.65, 2.75], [37.75, 2.5], [37.53, 1.97], [37.0, 1.75], [36.75, 1.85], [36.5, 1.75], [35.97, 1.97], [35.82, 2.32], [35.75, 2.35], [35.5, 2.25], [34.97, 2.47], [34.82, 2.82], [34.47, 2.97], [34.25, 3.5]]]]}, "2014-07-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[34.25, 3.5], [34.47, 4.03], [34.82, 4.18], [34.85, 4.25], [34.75, 4.5], [34.85, 4.75], [34.75, 5.0], [34.97, 5.53], [35.5, 5.75], [35.75, 5.65], [36.0, 5.75], [36.25, 5.65], [36.5, 5.75], [37.03, 5.53], [37.25, 5.0], [37.15, 4.75], [37.18, 4.68], [37.53, 4.53], [37.75, 4.0], [37.65, 3.75], [37.75, 3.5], [37.65, 3.25], [37.75, 3.0], [37.65, 2.75], [37.75, 2.5], [37.53, 1.97], [37.0, 1.75], [36.75, 1.85], [36.5, 1.75], [35.97, 1.97], [35.82, 2.32], [35.75, 2.35], [35.5, 2.25], [34.97, 2.47], [34.82, 2.82], [34.47, 2.97], [34.25, 3.5]]]]}, "2014-07-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[34.25, 3.5], [34.47, 4.03], [34.82, 4.18], [34.85, 4.25], [34.75, 4.5], [34.85, 4.75], [34.75, 5.0], [34.97, 5.53], [35.5, 5.75], [35.75, 5.65], [36.0, 5.75], [36.25, 5.65], [36.5, 5.75], [37.03, 5.53], [37.25, 5.0], [37.15, 4.75], [37.18, 4.68], [37.53, 4.53], [37.75, 4.0], [37.65, 3.75], [37.75, 3.5], [37.65, 3.25], [37.75, 3.0], [37.65, 2.75], [37.75, 2.5], [37.53, 1.97], [37.0, 1.75], [36.75, 1.85], [36.5, 1.75], [35.97, 1.97], [35.82, 2.32], [35.75, 2.35], [35.5, 2.25], [34.97, 2.47], [34.82, 2.82], [34.47, 2.97], [34.25, 3.5]]]]}, "2014-07-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[34.97, 4.53], [35.32, 4.68], [35.35, 4.75], [35.25, 5.0], [35.47, 5.53], [36.0, 5.75], [36.53, 5.53], [36.68, 5.18], [37.03, 5.03], [37.18, 4.68], [37.53, 4.53], [37.75, 4.0], [37.65, 3.75], [37.75, 3.5], [37.65, 3.25], [37.75, 3.0], [37.53, 2.47], [37.18, 2.32], [37.03, 1.97], [36.5, 1.75], [35.97, 1.97], [35.82, 2.32], [35.47, 2.47], [35.32, 2.82], [34.97, 2.97], [34.75, 3.5], [34.85, 3.75], [34.75, 4.0], [34.97, 4.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -4.849248473775276}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -2.5016996878023954}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [24.325066237210308, 25.350394515812184, 26.185684003998745, 26.937329883214943]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [22.330775000343863, 22.86173756724446, 24.375168281464255, 25.298418486027856]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-3.6654699271712787, -2.6394792049361824, -1.8169015925590628, -1.4737802523701664]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-4.849248473775276, -3.7198618893569346, -2.5534075000607004, -2.188130473696276]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-3.7228901338339355, -2.702603279406792, -1.9021203611924626, -1.6692587043033862]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-4.997297308722883, -3.569920237205643, -2.546548248525273, -2.1968889622461982]}}