{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:13:14.512526", "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": "2018-Jul-03_to_2018-Jul-08_36.0_-9.5"}, "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": 2018070001677}, "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 03 2018"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 08 2018"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 72935.91868786461}, "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": []}, "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": -9.5}, "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": -12.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -8.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2018-07-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[34.75, -9.0], [34.97, -8.47], [35.5, -8.25], [36.03, -8.47], [36.18, -8.82], [36.53, -8.97], [36.75, -9.5], [36.53, -10.03], [36.0, -10.25], [35.47, -10.03], [35.32, -9.68], [34.97, -9.53], [34.75, -9.0]]]]}, "2018-07-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[34.97, -8.47], [35.5, -8.25], [36.03, -8.47], [36.18, -8.82], [36.53, -8.97], [36.75, -9.5], [36.53, -10.03], [36.18, -10.18], [36.13, -10.3], [36.25, -10.35], [36.5, -10.25], [37.03, -10.47], [37.2, -10.87], [37.5, -10.75], [37.75, -10.85], [38.0, -10.75], [38.53, -10.97], [38.75, -11.5], [38.65, -11.75], [38.75, -12.0], [38.53, -12.53], [38.0, -12.75], [37.47, -12.53], [37.32, -12.18], [37.2, -12.12], [37.03, -12.53], [36.5, -12.75], [36.0, -12.54], [35.5, -12.75], [34.97, -12.53], [34.75, -12.0], [34.97, -11.47], [35.32, -11.32], [35.35, -11.25], [35.25, -11.0], [35.38, -10.7], [34.97, -10.53], [34.75, -10.0], [34.96, -9.5], [34.75, -9.0], [34.97, -8.47]]]]}, "2018-07-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[34.25, -10.0], [34.47, -9.47], [34.82, -9.32], [34.85, -9.25], [34.75, -9.0], [34.97, -8.47], [35.32, -8.32], [35.47, -7.97], [36.0, -7.75], [36.53, -7.97], [36.68, -8.32], [37.03, -8.47], [37.25, -9.0], [37.15, -9.25], [37.25, -9.5], [37.03, -10.03], [36.68, -10.18], [36.65, -10.25], [36.68, -10.32], [37.03, -10.47], [37.2, -10.87], [37.5, -10.75], [37.75, -10.85], [38.0, -10.75], [38.53, -10.97], [38.75, -11.5], [38.65, -11.75], [38.75, -12.0], [38.53, -12.53], [38.0, -12.75], [37.47, -12.53], [37.32, -12.18], [37.2, -12.12], [37.03, -12.53], [36.5, -12.75], [36.0, -12.54], [35.5, -12.75], [34.97, -12.53], [34.75, -12.0], [34.97, -11.47], [35.32, -11.32], [35.35, -11.25], [35.32, -11.18], [34.97, -11.03], [34.82, -10.68], [34.47, -10.53], [34.25, -10.0]]]]}, "2018-07-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[34.25, -10.0], [34.47, -9.47], [34.82, -9.32], [34.85, -9.25], [34.75, -9.0], [34.97, -8.47], [35.32, -8.32], [35.47, -7.97], [36.0, -7.75], [36.53, -7.97], [36.68, -8.32], 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2.4271258441252144}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.6732311935122355}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [20.211148814145986, 21.823899719028134, 21.266284839100024, 21.55937102739233, 21.239973942094764, 21.44554588242829]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [21.044558723162595, 24.866149504681914, 24.674911918013606, 24.68040199227204, 23.826944993917834, 23.520914945482673]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.4035580018979772, 1.5364578239802853, 1.637467658893827, 1.7947765022733009, 1.7999704792087305, 1.467164510948237]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.51460001927569, 2.051327609003522, 1.9318520202941158, 2.279408665447704, 2.4271258441252144, 1.6332140472427454]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.424831651706493, 1.4537025933854162, 1.5425010267425157, 1.722270057165826, 1.7013351437079711, 1.4182519369017867]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4821971171388482, 1.7989169195243844, 2.048742913499253, 2.2878998228028853, 2.4443924645073816, 1.6940639171262426]}}