{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:20:16.410883", "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": "2020-Jun-08_to_2020-Jun-18_32.0_36.0"}, "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": 2020060000290}, "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": "June 08 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 18 2020"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 11}, "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": 104655.64667685736}, "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", "Syria", "Turkiye"]}, "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": ["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": 36.0}, "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": 32.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "32.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 29.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 37.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 34.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 38.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-06-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[30.47, 35.97], [30.25, 36.5], [30.47, 37.03], [31.0, 37.25], [31.53, 37.03], [31.7, 36.63], [32.0, 36.75], [32.53, 36.53], [32.75, 36.0], [32.53, 35.47], [32.0, 35.25], [31.47, 35.47], [31.3, 35.88], [31.0, 35.75], [30.47, 35.97]]]]}, "2020-06-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[30.47, 35.97], [30.25, 36.5], [30.47, 37.03], [31.0, 37.25], [31.53, 37.03], [31.7, 36.63], [32.0, 36.75], [32.53, 36.53], [32.75, 36.0], [32.53, 35.47], [32.0, 35.25], [31.47, 35.47], [31.3, 35.88], [31.0, 35.75], [30.47, 35.97]]]]}, "2020-06-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[31.0, 37.25], [31.25, 37.15], [31.5, 37.25], [32.03, 37.03], [32.18, 36.68], [32.53, 36.53], [32.75, 36.0], [32.53, 35.47], [32.0, 35.25], [31.5, 35.46], [31.0, 35.25], [30.75, 35.35], [30.5, 35.25], [29.97, 35.47], [29.75, 36.0], [29.97, 36.53], [30.32, 36.68], [30.47, 37.03], [31.0, 37.25]]]]}, "2020-06-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[31.0, 37.25], [31.25, 37.15], [31.5, 37.25], [31.75, 37.15], [32.0, 37.25], [32.53, 37.03], [32.68, 36.68], [32.75, 36.65], [33.0, 36.75], [33.25, 36.65], [33.5, 36.75], [33.75, 36.65], [33.82, 36.68], [33.97, 37.03], [34.5, 37.25], [35.03, 37.03], [35.25, 36.5], [35.03, 35.97], [34.68, 35.82], [34.53, 35.47], [34.0, 35.25], [33.75, 35.35], [33.5, 35.25], [33.25, 35.35], [33.0, 35.25], [32.75, 35.35], [32.5, 35.25], [32.25, 35.35], [32.0, 35.25], [31.5, 35.46], [31.0, 35.25], [30.75, 35.35], [30.5, 35.25], [29.97, 35.47], [29.75, 36.0], [29.97, 36.53], [30.32, 36.68], [30.47, 37.03], [31.0, 37.25]]]]}, "2020-06-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[28.97, 35.47], [28.75, 36.0], [28.97, 36.53], [29.5, 36.75], [29.75, 36.65], [30.0, 36.75], [30.25, 36.65], [30.32, 36.68], [30.47, 37.03], [30.82, 37.18], [30.97, 37.53], [31.5, 37.75], [32.03, 37.53], [32.18, 37.18], [32.25, 37.15], [32.5, 37.25], [33.0, 37.04], [33.5, 37.25], [33.75, 37.15], [33.82, 37.18], [33.97, 37.53], [34.32, 37.68], [34.47, 38.03], [35.0, 38.25], [35.25, 38.15], [35.32, 38.18], [35.47, 38.53], [36.0, 38.75], [36.53, 38.53], [36.68, 38.18], [37.03, 38.03], [37.25, 37.5], [37.15, 37.25], [37.18, 37.18], [37.25, 37.15], [37.5, 37.25], [38.03, 37.03], [38.25, 36.5], [38.03, 35.97], [37.5, 35.75], [37.25, 35.85], [37.0, 35.75], [36.47, 35.97], [36.32, 36.32], [36.25, 36.35], [36.0, 36.25], [35.75, 36.35], [35.5, 36.25], [35.25, 36.35], [35.18, 36.32], [35.03, 35.97], [34.68, 35.82], [34.53, 35.47], [34.0, 35.25], [33.75, 35.35], [33.63, 35.3], [33.75, 35.0], [33.53, 34.47], [33.0, 34.25], [32.47, 34.47], [32.25, 35.0], [32.38, 35.3], [32.25, 35.35], [32.0, 35.25], [31.5, 35.46], [31.0, 35.25], [30.75, 35.35], [30.5, 35.25], [30.25, 35.35], [30.0, 35.25], [29.75, 35.35], [29.5, 35.25], [28.97, 35.47]]]]}, "2020-06-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[28.97, 35.47], [28.75, 36.0], [28.97, 36.53], [29.5, 36.75], [29.75, 36.65], [29.82, 36.68], [29.97, 37.03], [30.5, 37.25], [30.75, 37.15], [30.82, 37.18], [30.97, 37.53], [31.5, 37.75], [32.03, 37.53], [32.18, 37.18], [32.25, 37.15], [32.5, 37.25], [33.0, 37.04], [33.5, 37.25], [33.75, 37.15], [33.82, 37.18], [33.97, 37.53], [34.32, 37.68], [34.47, 38.03], [35.0, 38.25], [35.25, 38.15], [35.32, 38.18], [35.47, 38.53], [36.0, 38.75], [36.53, 38.53], [36.68, 38.18], [37.03, 38.03], [37.25, 37.5], [37.15, 37.25], [37.18, 37.18], [37.25, 37.15], [37.5, 37.25], [38.03, 37.03], [38.25, 36.5], [38.03, 35.97], [37.5, 35.75], [37.25, 35.85], [37.0, 35.75], [36.47, 35.97], [36.32, 36.32], [36.25, 36.35], [36.0, 36.25], [35.75, 36.35], [35.5, 36.25], [35.25, 36.35], [35.18, 36.32], [35.03, 35.97], [34.68, 35.82], [34.65, 35.75], [34.75, 35.5], [34.53, 34.97], [34.18, 34.82], [34.03, 34.47], [33.68, 34.32], [33.53, 33.97], [33.0, 33.75], [32.47, 33.97], [32.25, 34.5], [32.35, 34.75], [32.32, 34.82], [32.25, 34.85], [32.0, 34.75], [31.75, 34.85], [31.5, 34.75], [31.25, 34.85], [31.0, 34.75], [30.75, 34.85], [30.5, 34.75], [29.97, 34.97], [29.82, 35.32], [29.75, 35.35], [29.5, 35.25], [28.97, 35.47]]]]}, "2020-06-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[28.97, 35.47], [28.75, 36.0], [28.97, 36.53], [29.5, 36.75], [29.75, 36.65], [29.82, 36.68], [29.97, 37.03], [30.5, 37.25], [30.75, 37.15], [30.82, 37.18], [30.97, 37.53], [31.5, 37.75], [32.03, 37.53], [32.18, 37.18], [32.25, 37.15], [32.5, 37.25], [33.0, 37.04], [33.5, 37.25], [33.75, 37.15], [33.82, 37.18], [33.97, 37.53], [34.32, 37.68], [34.47, 38.03], [35.0, 38.25], [35.25, 38.15], [35.32, 38.18], [35.47, 38.53], [36.0, 38.75], [36.53, 38.53], [36.68, 38.18], [37.03, 38.03], [37.25, 37.5], [37.15, 37.25], [37.18, 37.18], [37.25, 37.15], [37.5, 37.25], [38.03, 37.03], [38.25, 36.5], [38.03, 35.97], [37.5, 35.75], [37.25, 35.85], [37.0, 35.75], [36.47, 35.97], [36.32, 36.32], [36.25, 36.35], [36.0, 36.25], [35.75, 36.35], [35.5, 36.25], [35.25, 36.35], [35.0, 36.25], [34.75, 36.35], [34.68, 36.32], [34.65, 36.25], [34.75, 36.0], [34.65, 35.75], [34.75, 35.5], [34.53, 34.97], [34.18, 34.82], [34.03, 34.47], [33.68, 34.32], [33.53, 33.97], [33.0, 33.75], [32.47, 33.97], [32.25, 34.5], [32.35, 34.75], [32.32, 34.82], [32.25, 34.85], [32.0, 34.75], [31.75, 34.85], [31.5, 34.75], [31.25, 34.85], [31.0, 34.75], [30.75, 34.85], [30.5, 34.75], [29.97, 34.97], [29.82, 35.32], [29.75, 35.35], [29.5, 35.25], [28.97, 35.47]]]]}, "2020-06-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[28.97, 35.47], [28.75, 36.0], [28.97, 36.53], [29.5, 36.75], [29.75, 36.65], [29.82, 36.68], [29.97, 37.03], [30.5, 37.25], [30.75, 37.15], [31.0, 37.25], [31.25, 37.15], [31.5, 37.25], [31.75, 37.15], [32.0, 37.25], [32.53, 37.03], [32.68, 36.68], [32.75, 36.65], [33.0, 36.75], [33.25, 36.65], [33.5, 36.75], [33.75, 36.65], [34.0, 36.75], [34.53, 36.53], [34.75, 36.0], [34.65, 35.75], [34.75, 35.5], [34.53, 34.97], [34.18, 34.82], [34.03, 34.47], [33.68, 34.32], [33.53, 33.97], [33.0, 33.75], [32.47, 33.97], [32.25, 34.5], [32.35, 34.75], [32.32, 34.82], [32.25, 34.85], [32.0, 34.75], [31.75, 34.85], [31.5, 34.75], [31.25, 34.85], [31.0, 34.75], [30.75, 34.85], [30.5, 34.75], [29.97, 34.97], [29.82, 35.32], [29.75, 35.35], [29.5, 35.25], [28.97, 35.47]]]]}, "2020-06-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[29.47, 36.53], [30.0, 36.75], [30.25, 36.65], [30.32, 36.68], [30.47, 37.03], [31.0, 37.25], [31.25, 37.15], [31.5, 37.25], [32.03, 37.03], [32.18, 36.68], [32.53, 36.53], [32.68, 36.18], [33.03, 36.03], [33.25, 35.5], [33.03, 34.97], [32.5, 34.75], [32.25, 34.85], [32.0, 34.75], [31.75, 34.85], [31.5, 34.75], [31.25, 34.85], [31.0, 34.75], [30.75, 34.85], [30.5, 34.75], [29.97, 34.97], [29.82, 35.32], [29.47, 35.47], [29.25, 36.0], [29.47, 36.53]]], [[[33.47, 35.47], [33.25, 36.0], [33.47, 36.53], [34.0, 36.75], [34.53, 36.53], [34.75, 36.0], [34.53, 35.47], [34.0, 35.25], [33.47, 35.47]]]]}, "2020-06-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[29.25, 36.0], [29.47, 36.53], [30.0, 36.75], [30.25, 36.65], [30.32, 36.68], [30.47, 37.03], [31.0, 37.25], [31.25, 37.15], [31.5, 37.25], [32.03, 37.03], [32.18, 36.68], [32.53, 36.53], [32.75, 36.0], [32.53, 35.47], [32.0, 35.25], [31.7, 35.38], [31.53, 34.97], [31.0, 34.75], [30.75, 34.85], [30.5, 34.75], [29.97, 34.97], [29.82, 35.32], [29.47, 35.47], [29.25, 36.0]]]]}, "2020-06-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[29.97, 35.47], [29.75, 36.0], [29.97, 36.53], [30.5, 36.75], [30.75, 36.65], [30.82, 36.68], [30.97, 37.03], [31.5, 37.25], [32.03, 37.03], [32.18, 36.68], [32.53, 36.53], [32.75, 36.0], [32.53, 35.47], [32.0, 35.25], [31.5, 35.46], [31.0, 35.25], [30.75, 35.35], [30.5, 35.25], [29.97, 35.47]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -5.3780424641806235}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -2.6125828635417347}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [21.89803637946875, 21.990168587447954, 21.87178899091441, 21.84952141437833, 20.366327996574853, 20.5971356753833, 20.868216353183584, 22.284370174224364, 22.41722879782958, 22.620233033408624, 23.097732515608584]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [21.840892618409384, 21.955018717474275, 21.54330921865511, 20.843943837892766, 13.986369664656706, 12.075685687878149, 13.266907113691275, 21.2639666239848, 21.896422148930412, 22.088354159946277, 22.754950660779116]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-1.747508530700287, -1.8297776467493634, -2.0115830119556906, -2.0524615731438356, -2.8489309938106997, -3.0264662964448736, -2.884663074402677, -2.2244043472675368, -2.080766255110518, -2.1242216106505367, -1.9521390275081671]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-1.8174124629738344, -2.005171760235214, -2.475140332942601, -2.5973625147883013, -4.0041924316759605, -5.3780424641806235, -4.8534804352069045, -3.551117134062622, -2.585637715567657, -2.5472303652777555, -2.0369839716512956]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.4829141111042226, -1.5457098612762754, -1.6626544636980582, -1.6068454800714767, -1.6347423528414489, -1.8332759578357518, -1.7425960882854692, -1.6672345062418432, -1.7287072389548377, -1.6664616752845343, -1.5317552981155276]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-1.5307650188544935, -1.581448830591235, -1.9220104018228414, -1.9680590989479834, -1.9048983216905777, -2.4691324698091854, -2.104008740718136, -2.114107045692578, -1.9821358732686643, -1.9133666020089808, -1.7700848703425918]}}