{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:28:17.556201", "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": "2021-Nov-12_to_2021-Nov-18_31.0_30.5"}, "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": 2021110001694}, "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": "November 12 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 18 2021"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 7}, "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": 225850.6982206821}, "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": ["Cyprus", "Egypt", "Israel", "Lebanon", "Palestinian Territory"]}, "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", "Asia"]}, "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": 30.5}, "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": 31.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "31.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 28.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 35.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 29.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 35.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2021-11-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[34.0, 32.75], [34.53, 32.53], [34.75, 32.0], [34.53, 31.47], [34.0, 31.25], [33.47, 31.47], [33.25, 32.0], [33.47, 32.53], [34.0, 32.75]]]]}, "2021-11-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[28.47, 32.03], [29.0, 32.25], [29.25, 32.15], [29.5, 32.25], [30.03, 32.03], [30.18, 31.68], [30.25, 31.65], [30.32, 31.68], [30.46, 32.0], [30.32, 32.32], [30.25, 32.35], [30.0, 32.25], [29.47, 32.47], [29.25, 33.0], [29.35, 33.25], [29.25, 33.5], [29.35, 33.75], [29.25, 34.0], [29.35, 34.25], [29.25, 34.5], [29.47, 35.03], [29.82, 35.18], [29.97, 35.53], [30.32, 35.68], [30.47, 36.03], [31.0, 36.25], [31.25, 36.15], [31.5, 36.25], [31.75, 36.15], [32.0, 36.25], [32.25, 36.15], [32.5, 36.25], [33.03, 36.03], [33.25, 35.5], [33.07, 35.07], [33.5, 35.25], [33.75, 35.15], [34.0, 35.25], [34.53, 35.03], [34.68, 34.68], [35.03, 34.53], [35.18, 34.18], [35.25, 34.15], [35.5, 34.25], [36.03, 34.03], [36.25, 33.5], [36.15, 33.25], [36.25, 33.0], [36.03, 32.47], [35.68, 32.32], [35.53, 31.97], [35.0, 31.75], [34.7, 31.88], [34.53, 31.47], [34.0, 31.25], [33.7, 31.38], [33.65, 31.25], [33.68, 31.18], [34.03, 31.03], [34.25, 30.5], [34.15, 30.25], [34.25, 30.0], [34.03, 29.47], [33.5, 29.25], [32.97, 29.47], [32.82, 29.82], [32.47, 29.97], [32.32, 30.32], [32.0, 30.46], [31.68, 30.32], [31.53, 29.97], [31.0, 29.75], [30.75, 29.85], [30.5, 29.75], [30.25, 29.85], [30.0, 29.75], [29.75, 29.85], [29.5, 29.75], [28.97, 29.97], [28.82, 30.32], [28.47, 30.47], [28.25, 31.0], [28.35, 31.25], [28.25, 31.5], [28.47, 32.03]], [[34.32, 32.82], [34.25, 32.85], [34.18, 32.82], [34.15, 32.75], [34.18, 32.68], [34.3, 32.63], [34.35, 32.75], [34.32, 32.82]]]]}, "2021-11-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[28.47, 32.03], [29.0, 32.25], [29.25, 32.15], [29.5, 32.25], [30.03, 32.03], [30.18, 31.68], [30.25, 31.65], [30.32, 31.68], [30.46, 32.0], [30.32, 32.32], [30.25, 32.35], [30.0, 32.25], [29.47, 32.47], [29.25, 33.0], [29.35, 33.25], [29.25, 33.5], [29.35, 33.75], [29.25, 34.0], [29.35, 34.25], [29.32, 34.32], [28.97, 34.47], [28.75, 35.0], [28.97, 35.53], [29.5, 35.75], [30.0, 35.54], [30.32, 35.68], [30.47, 36.03], [31.0, 36.25], [31.25, 36.15], [31.5, 36.25], [31.75, 36.15], [32.0, 36.25], [32.25, 36.15], [32.5, 36.25], [33.03, 36.03], [33.25, 35.5], [33.15, 35.25], [33.2, 35.13], [33.5, 35.25], [33.75, 35.15], [34.0, 35.25], [34.53, 35.03], [34.68, 34.68], [35.03, 34.53], [35.18, 34.18], [35.25, 34.15], [35.5, 34.25], [36.03, 34.03], [36.25, 33.5], [36.15, 33.25], [36.25, 33.0], [36.03, 32.47], [35.68, 32.32], [35.53, 31.97], [35.0, 31.75], [34.7, 31.88], [34.53, 31.47], [34.0, 31.25], [33.7, 31.38], [33.65, 31.25], [33.68, 31.18], [34.03, 31.03], [34.25, 30.5], [34.15, 30.25], [34.25, 30.0], [34.03, 29.47], [33.5, 29.25], [33.0, 29.46], [32.5, 29.25], [31.97, 29.47], [31.82, 29.82], [31.75, 29.85], [31.5, 29.75], [31.25, 29.85], [31.18, 29.82], [31.03, 29.47], [30.5, 29.25], [29.97, 29.47], [29.82, 29.82], [29.75, 29.85], [29.5, 29.75], [28.97, 29.97], [28.82, 30.32], [28.47, 30.47], [28.25, 31.0], [28.35, 31.25], [28.25, 31.5], [28.47, 32.03]], [[34.32, 32.82], [34.25, 32.85], [34.18, 32.82], [34.15, 32.75], [34.18, 32.68], [34.3, 32.63], [34.35, 32.75], [34.32, 32.82]]]]}, "2021-11-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[28.47, 32.03], [29.0, 32.25], [29.25, 32.15], [29.5, 32.25], [30.03, 32.03], [30.18, 31.68], [30.25, 31.65], [30.32, 31.68], [30.46, 32.0], [30.32, 32.32], [30.25, 32.35], [30.0, 32.25], [29.47, 32.47], [29.25, 33.0], [29.35, 33.25], [29.25, 33.5], [29.35, 33.75], [29.25, 34.0], [29.35, 34.25], [29.32, 34.32], [28.97, 34.47], [28.75, 35.0], [28.97, 35.53], [29.5, 35.75], [30.0, 35.54], [30.32, 35.68], [30.47, 36.03], [31.0, 36.25], [31.25, 36.15], [31.5, 36.25], [31.75, 36.15], [32.0, 36.25], [32.25, 36.15], [32.5, 36.25], [33.03, 36.03], [33.25, 35.5], [33.15, 35.25], [33.2, 35.13], [33.5, 35.25], [33.75, 35.15], [34.0, 35.25], [34.53, 35.03], [34.68, 34.68], [35.03, 34.53], [35.18, 34.18], [35.25, 34.15], [35.5, 34.25], [36.03, 34.03], [36.25, 33.5], [36.15, 33.25], [36.25, 33.0], [36.03, 32.47], [35.68, 32.32], [35.53, 31.97], [35.0, 31.75], [34.47, 31.97], [34.25, 32.5], [34.03, 31.97], [33.68, 31.82], [33.65, 31.75], [33.75, 31.5], [33.65, 31.25], [33.68, 31.18], [34.03, 31.03], [34.25, 30.5], [34.15, 30.25], [34.25, 30.0], [34.03, 29.47], [33.5, 29.25], [33.0, 29.46], [32.5, 29.25], [31.97, 29.47], [31.82, 29.82], [31.75, 29.85], [31.5, 29.75], [31.25, 29.85], [31.18, 29.82], [31.03, 29.47], [30.5, 29.25], [29.97, 29.47], [29.82, 29.82], [29.75, 29.85], [29.5, 29.75], [28.97, 29.97], [28.82, 30.32], [28.47, 30.47], [28.25, 31.0], [28.35, 31.25], [28.25, 31.5], [28.47, 32.03]], [[34.35, 32.75], [34.32, 32.82], [34.25, 32.85], [34.18, 32.82], [34.15, 32.75], [34.25, 32.5], [34.35, 32.75]]]]}, "2021-11-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[30.0, 31.25], [30.25, 31.15], [30.32, 31.18], [30.47, 31.53], [31.0, 31.75], [31.25, 31.65], [31.5, 31.75], [32.03, 31.53], [32.18, 31.18], [32.25, 31.15], [32.5, 31.25], [33.03, 31.03], [33.25, 30.5], [33.15, 30.25], [33.25, 30.0], [33.03, 29.47], [32.5, 29.25], [31.97, 29.47], [31.82, 29.82], [31.75, 29.85], [31.5, 29.75], [31.25, 29.85], [31.18, 29.82], [31.03, 29.47], [30.5, 29.25], [29.97, 29.47], [29.82, 29.82], [29.47, 29.97], [29.25, 30.5], [29.47, 31.03], [30.0, 31.25]]], [[[34.75, 32.0], [34.97, 32.53], [35.5, 32.75], [36.03, 32.53], [36.25, 32.0], [36.03, 31.47], [35.5, 31.25], [34.97, 31.47], [34.75, 32.0]]], [[[31.75, 35.0], [31.65, 34.75], [31.75, 34.5], [31.65, 34.25], [31.75, 34.0], [31.53, 33.47], [31.0, 33.25], [30.47, 33.47], [30.25, 34.0], [30.35, 34.25], [30.25, 34.5], [30.35, 34.75], [30.25, 35.0], [30.47, 35.53], [31.0, 35.75], [31.53, 35.53], [31.75, 35.0]]], [[[33.03, 35.53], [33.2, 35.13], [33.5, 35.25], [34.03, 35.03], [34.25, 34.5], [34.03, 33.97], [33.5, 33.75], [33.0, 33.96], [32.5, 33.75], [31.97, 33.97], [31.75, 34.5], [31.85, 34.75], [31.75, 35.0], [31.97, 35.53], [32.5, 35.75], [33.03, 35.53]]], [[[28.97, 35.53], [29.5, 35.75], [30.03, 35.53], [30.25, 35.0], [30.03, 34.47], [29.5, 34.25], [28.97, 34.47], [28.75, 35.0], [28.97, 35.53]]]]}, "2021-11-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[30.25, 30.5], [30.47, 31.03], [31.0, 31.25], [31.25, 31.15], [31.5, 31.25], [31.75, 31.15], [32.0, 31.25], [32.53, 31.03], [32.68, 30.68], [33.03, 30.53], [33.25, 30.0], [33.03, 29.47], [32.5, 29.25], [31.97, 29.47], [31.82, 29.82], [31.75, 29.85], [31.5, 29.75], [31.25, 29.85], [31.0, 29.75], [30.47, 29.97], [30.25, 30.5]]], [[[34.97, 31.47], [34.75, 32.0], [34.97, 32.53], [35.5, 32.75], [36.03, 32.53], [36.25, 32.0], [36.03, 31.47], [35.5, 31.25], [34.97, 31.47]]]]}, "2021-11-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[35.5, 32.75], [36.03, 32.53], [36.25, 32.0], [36.03, 31.47], [35.5, 31.25], [34.97, 31.47], [34.75, 32.0], [34.97, 32.53], [35.5, 32.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 5.214324381801532}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.4957324080864285}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [23.649820063291827, 22.772719548663872, 22.792257129498125, 22.253558595411334, 21.661947065901757, 21.924861503300235, 21.505069673050855]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [23.649820063291827, 24.74298887894423, 24.525415816830048, 23.475515841413824, 22.598109134920833, 22.077977575609793, 21.505069673050855]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.9070852365140922, 2.4940875904678936, 2.7055987015151652, 2.3055356899448904, 2.3551816086715514, 2.593484925700511, 3.3736917800798096]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.9070852365140922, 4.413619578033774, 5.214324381801532, 3.4103554554768607, 3.4673145182515555, 3.7224700649412057, 3.3736917800798096]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.2746371817885602, 1.56187289474062, 1.6926962300918122, 1.4276046068246797, 1.3773850109531258, 1.428735201327001, 1.4890164510769104]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.2746371817885602, 2.0831761982729433, 2.2455355454102848, 1.690921592360638, 1.5256808923253804, 1.6422319225439088, 1.4890164510769104]}}