{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:52:35.219033", "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": "2013-Jan-31_to_2013-Feb-02_10.0_35.0"}, "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": 2013010002711}, "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 31 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 02 2013"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "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": 53076.822565270624}, "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": ["Algeria", "Tunisia"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Mediterranean"]}, "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": ["Mediterranean Sea - Eastern Basin"]}, "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": 35.0}, "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": 10.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "10.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 7.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 11.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 33.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 36.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-01-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[8.5, 36.25], [8.75, 36.15], [8.82, 36.18], [8.97, 36.53], [9.5, 36.75], [9.75, 36.65], [10.0, 36.75], [10.25, 36.65], [10.5, 36.75], [10.75, 36.65], [11.0, 36.75], [11.53, 36.53], [11.75, 36.0], [11.65, 35.75], [11.75, 35.5], [11.53, 34.97], [11.18, 34.82], [11.15, 34.75], [11.25, 34.5], [11.04, 34.0], [11.25, 33.5], [11.03, 32.97], [10.5, 32.75], [9.97, 32.97], [9.82, 33.32], [9.47, 33.47], [9.32, 33.82], [8.97, 33.97], [8.82, 34.32], [8.75, 34.35], [8.5, 34.25], [8.25, 34.35], [8.0, 34.25], [7.47, 34.47], [7.25, 35.0], [7.47, 35.53], [7.82, 35.68], [7.97, 36.03], [8.5, 36.25]]]]}, "2013-02-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[8.5, 36.25], [8.75, 36.15], [8.82, 36.18], [8.97, 36.53], [9.5, 36.75], [9.75, 36.65], [10.0, 36.75], [10.25, 36.65], [10.5, 36.75], [10.75, 36.65], [11.0, 36.75], [11.53, 36.53], [11.75, 36.0], [11.65, 35.75], [11.75, 35.5], [11.53, 34.97], [11.18, 34.82], [11.15, 34.75], [11.25, 34.5], [11.04, 34.0], [11.25, 33.5], [11.03, 32.97], [10.5, 32.75], [9.97, 32.97], [9.82, 33.32], [9.47, 33.47], [9.32, 33.82], [8.97, 33.97], [8.82, 34.32], [8.75, 34.35], [8.5, 34.25], [8.25, 34.35], [8.0, 34.25], [7.47, 34.47], [7.25, 35.0], [7.47, 35.53], [7.82, 35.68], [7.97, 36.03], [8.5, 36.25]]]]}, "2013-02-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[8.5, 36.25], [8.75, 36.15], [8.82, 36.18], [8.97, 36.53], [9.5, 36.75], [9.75, 36.65], [10.0, 36.75], [10.25, 36.65], [10.5, 36.75], [10.75, 36.65], [11.0, 36.75], [11.53, 36.53], [11.75, 36.0], [11.65, 35.75], [11.75, 35.5], [11.53, 34.97], [11.18, 34.82], [11.15, 34.75], [11.25, 34.5], [11.04, 34.0], [11.25, 33.5], [11.03, 32.97], [10.5, 32.75], [9.97, 32.97], [9.82, 33.32], [9.47, 33.47], [9.32, 33.82], [8.97, 33.97], [8.82, 34.32], [8.75, 34.35], [8.5, 34.25], [8.25, 34.35], [8.0, 34.25], [7.47, 34.47], [7.25, 35.0], [7.47, 35.53], [7.82, 35.68], [7.97, 36.03], [8.5, 36.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 5.299499197728721}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.8649950053135558}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [14.333448042532211, 14.836361734470415, 14.84542394967525]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [16.269999561181123, 17.430855074669466, 18.49819721557617]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.5297617540025987, 4.014578433451112, 4.050644828486957]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.137224270418642, 5.278710274390676, 5.299499197728721]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6046158532793078, 1.7257908976590872, 1.6904542766471127]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.20086316761405, 2.2426279422509126, 2.199183080213473]}}