{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:52:44.180677", "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-Feb-25_to_2013-Feb-27_33.0_24.5"}, "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": 2013020002259}, "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": "February 25 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 27 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": 59038.125984833496}, "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": ["Egypt"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Sahara"]}, "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": 24.5}, "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": 33.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "33.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 30.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 34.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 22.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 26.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-02-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[30.35, 24.25], [30.25, 24.5], [30.47, 25.03], [31.0, 25.25], [31.25, 25.15], [31.32, 25.18], [31.35, 25.25], [31.25, 25.5], [31.46, 26.0], [31.25, 26.5], [31.47, 27.03], [32.0, 27.25], [32.53, 27.03], [32.68, 26.68], [32.75, 26.65], [33.0, 26.75], [33.53, 26.53], [33.75, 26.0], [33.54, 25.5], [33.68, 25.18], [34.03, 25.03], [34.18, 24.68], [34.53, 24.53], [34.75, 24.0], [34.53, 23.47], [34.0, 23.25], [33.75, 23.35], [33.68, 23.32], [33.65, 23.25], [33.75, 23.0], [33.53, 22.47], [33.0, 22.25], [32.47, 22.47], [32.32, 22.82], [31.97, 22.97], [31.8, 23.38], [31.68, 23.32], [31.53, 22.97], [31.0, 22.75], [30.47, 22.97], [30.25, 23.5], [30.35, 23.75], [30.25, 24.0], [30.35, 24.25]]]]}, "2013-02-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[30.35, 24.25], [30.25, 24.5], [30.47, 25.03], [31.0, 25.25], [31.25, 25.15], [31.32, 25.18], [31.35, 25.25], [31.25, 25.5], [31.46, 26.0], [31.25, 26.5], [31.47, 27.03], [32.0, 27.25], [32.53, 27.03], [32.68, 26.68], [32.75, 26.65], [33.0, 26.75], [33.53, 26.53], [33.75, 26.0], [33.54, 25.5], [33.68, 25.18], [34.03, 25.03], [34.18, 24.68], [34.53, 24.53], [34.75, 24.0], [34.53, 23.47], [34.0, 23.25], [33.75, 23.35], [33.68, 23.32], [33.65, 23.25], [33.75, 23.0], [33.53, 22.47], [33.0, 22.25], [32.47, 22.47], [32.32, 22.82], [31.97, 22.97], [31.8, 23.38], [31.68, 23.32], [31.53, 22.97], [31.0, 22.75], [30.47, 22.97], [30.25, 23.5], [30.35, 23.75], [30.25, 24.0], [30.35, 24.25]]]]}, "2013-02-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[30.35, 24.25], [30.25, 24.5], [30.47, 25.03], [31.0, 25.25], [31.25, 25.15], [31.32, 25.18], [31.35, 25.25], [31.25, 25.5], [31.46, 26.0], [31.25, 26.5], [31.47, 27.03], [32.0, 27.25], [32.53, 27.03], [32.68, 26.68], [32.75, 26.65], [33.0, 26.75], [33.53, 26.53], [33.75, 26.0], [33.54, 25.5], [33.68, 25.18], [34.03, 25.03], [34.18, 24.68], [34.53, 24.53], [34.75, 24.0], [34.53, 23.47], [34.0, 23.25], [33.75, 23.35], [33.68, 23.32], [33.65, 23.25], [33.75, 23.0], [33.53, 22.47], [33.0, 22.25], [32.47, 22.47], [32.32, 22.82], [31.97, 22.97], [31.8, 23.38], [31.68, 23.32], [31.53, 22.97], [31.0, 22.75], [30.47, 22.97], [30.25, 23.5], [30.35, 23.75], [30.25, 24.0], [30.35, 24.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 8.491533487494223}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 6.073996005618417}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [23.812365939683218, 26.13062965340862, 25.067247633371494]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [25.755438589662447, 28.148746273986603, 27.328540626024335]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [5.072540855687096, 7.209946349849493, 5.939500811318662]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.734997665486048, 8.491533487494223, 6.666511343982961]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5000095177817665, 2.1081354977212774, 1.71582806193222]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6672790144353815, 2.3444588243400655, 1.9044916784977373]}}