{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:54:37.077983", "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": "2025-Feb-09_to_2025-Feb-11_150.0_-72.0"}, "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": 2025020001071}, "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 09 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 11 2025"}, "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": 90106.85707024943}, "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": ["Antarctica"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.Antarctica"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Antarctica"]}, "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": -72.0}, "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": 150.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "150.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 146.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 157.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -73.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -70.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2025-02-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[146.25, -71.0], [146.47, -70.47], [146.82, -70.32], [146.97, -69.97], [147.5, -69.75], [147.75, -69.85], [148.0, -69.75], [148.25, -69.85], [148.5, -69.75], [148.75, -69.85], [149.0, -69.75], [149.25, -69.85], [149.5, -69.75], [149.75, -69.85], [150.0, -69.75], [150.25, -69.85], [150.5, -69.75], [150.75, -69.85], [151.0, -69.75], [151.25, -69.85], [151.5, -69.75], [151.75, -69.85], [152.0, -69.75], [152.25, -69.85], [152.5, -69.75], [153.03, -69.97], [153.18, -70.32], [153.25, -70.35], [153.5, -70.25], [153.75, -70.35], [154.0, -70.25], [154.25, -70.35], [154.5, -70.25], [154.75, -70.35], [155.0, -70.25], [155.25, -70.35], [155.5, -70.25], [156.03, -70.47], [156.18, -70.82], [156.53, -70.97], [156.68, -71.32], [156.75, -71.35], [157.0, -71.25], [157.53, -71.47], [157.68, -71.82], [158.03, -71.97], [158.25, -72.5], [158.03, -73.03], [157.5, -73.25], [157.25, -73.15], [157.0, -73.25], [156.75, -73.15], [156.5, -73.25], [156.25, -73.15], [156.18, -73.18], [156.03, -73.53], [155.5, -73.75], [155.25, -73.65], [155.0, -73.75], [154.75, -73.65], [154.5, -73.75], [154.25, -73.65], [154.0, -73.75], [153.75, -73.65], [153.5, -73.75], [153.25, -73.65], [153.0, -73.75], [152.75, -73.65], [152.5, -73.75], [152.25, -73.65], [152.0, -73.75], [151.75, -73.65], [151.5, -73.75], [151.25, -73.65], [151.0, -73.75], [150.47, -73.53], [150.32, -73.18], [150.25, -73.15], [150.0, -73.25], [149.75, -73.15], [149.5, -73.25], [148.97, -73.03], [148.82, -72.68], [148.75, -72.65], [148.5, -72.75], [148.25, -72.65], [148.0, -72.75], [147.47, -72.53], [147.32, -72.18], [146.97, -72.03], [146.82, -71.68], [146.47, -71.53], [146.25, -71.0]]]]}, "2025-02-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[146.25, -71.0], [146.47, -70.47], [146.82, -70.32], [146.97, -69.97], [147.5, -69.75], [147.75, -69.85], [148.0, -69.75], [148.25, -69.85], [148.5, -69.75], [148.75, -69.85], [149.0, -69.75], [149.25, -69.85], [149.5, -69.75], [149.75, -69.85], [150.0, -69.75], [150.25, -69.85], [150.5, -69.75], [150.75, -69.85], [151.0, -69.75], [151.25, -69.85], [151.5, -69.75], [151.75, -69.85], [152.0, -69.75], [152.25, -69.85], [152.5, -69.75], [153.03, -69.97], [153.18, -70.32], [153.25, -70.35], [153.5, -70.25], [153.75, -70.35], [154.0, -70.25], [154.25, -70.35], [154.5, -70.25], [154.75, -70.35], [155.0, -70.25], [155.25, -70.35], [155.5, -70.25], [156.03, -70.47], [156.18, -70.82], [156.53, -70.97], [156.68, -71.32], [156.75, -71.35], [157.0, -71.25], [157.53, -71.47], [157.68, -71.82], [158.03, -71.97], [158.25, -72.5], [158.03, -73.03], [157.5, -73.25], [157.25, -73.15], [157.0, -73.25], [156.75, -73.15], [156.5, -73.25], [156.25, -73.15], [156.18, -73.18], [156.03, -73.53], [155.5, -73.75], [155.25, -73.65], [155.0, -73.75], [154.75, -73.65], [154.5, -73.75], [154.25, -73.65], [154.0, -73.75], [153.75, -73.65], [153.5, -73.75], [153.25, -73.65], [153.0, -73.75], [152.75, -73.65], [152.5, -73.75], [152.25, -73.65], [152.0, -73.75], [151.75, -73.65], [151.5, -73.75], [151.25, -73.65], [151.0, -73.75], [150.47, -73.53], [150.32, -73.18], [150.25, -73.15], [150.0, -73.25], [149.75, -73.15], [149.5, -73.25], [148.97, -73.03], [148.82, -72.68], [148.75, -72.65], [148.5, -72.75], [148.25, -72.65], [148.0, -72.75], [147.47, -72.53], [147.32, -72.18], [146.97, -72.03], [146.82, -71.68], [146.47, -71.53], [146.25, -71.0]]]]}, "2025-02-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[146.25, -71.0], [146.47, -70.47], [146.82, -70.32], [146.97, -69.97], [147.5, -69.75], [147.75, -69.85], [148.0, -69.75], [148.25, -69.85], [148.5, -69.75], [148.75, -69.85], [149.0, -69.75], [149.25, -69.85], [149.5, -69.75], [149.75, -69.85], [150.0, -69.75], [150.25, -69.85], [150.5, -69.75], [150.75, -69.85], [151.0, -69.75], [151.25, -69.85], [151.5, -69.75], [151.75, -69.85], [152.0, -69.75], [152.25, -69.85], [152.5, -69.75], [153.03, -69.97], [153.18, -70.32], [153.25, -70.35], [153.5, -70.25], [153.75, -70.35], [154.0, -70.25], [154.25, -70.35], [154.5, -70.25], [154.75, -70.35], [155.0, -70.25], [155.25, -70.35], [155.5, -70.25], [156.03, -70.47], [156.18, -70.82], [156.53, -70.97], [156.68, -71.32], [156.75, -71.35], [157.0, -71.25], [157.53, -71.47], [157.68, -71.82], [158.03, -71.97], [158.25, -72.5], [158.03, -73.03], [157.5, -73.25], [157.25, -73.15], [157.0, -73.25], [156.75, -73.15], [156.5, -73.25], [156.25, -73.15], [156.18, -73.18], [156.03, -73.53], [155.5, -73.75], [155.25, -73.65], [155.0, -73.75], [154.75, -73.65], [154.5, -73.75], [154.25, -73.65], [154.0, -73.75], [153.75, -73.65], [153.5, -73.75], [153.25, -73.65], [153.0, -73.75], [152.75, -73.65], [152.5, -73.75], [152.25, -73.65], [152.0, -73.75], [151.75, -73.65], [151.5, -73.75], [151.25, -73.65], [151.0, -73.75], [150.47, -73.53], [150.32, -73.18], [150.25, -73.15], [150.0, -73.25], [149.75, -73.15], [149.5, -73.25], [148.97, -73.03], [148.82, -72.68], [148.75, -72.65], [148.5, -72.75], [148.25, -72.65], [148.0, -72.75], [147.47, -72.53], [147.32, -72.18], [146.97, -72.03], [146.82, -71.68], [146.47, -71.53], [146.25, -71.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 10.153553952842998}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 8.183034293189772}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [-17.969468412775285, -18.56071632002417, -20.069156084778427]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [-13.56834004720048, -14.191829427083292, -14.748725636800089]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [8.846382086765752, 8.492445091732389, 7.210275701071156]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [9.849187421186315, 10.153553952842998, 8.776741595373181]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [2.0915743727675027, 1.9924184232241917, 1.6678932672273648]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.474686216429047, 2.516134675447798, 2.0165532033203752]}}