{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:46:38.078085", "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": "2011-Jan-07_to_2011-Jan-09_135.5_8.5"}, "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": 2011010001884}, "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 07 2011"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 09 2011"}, "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": 58158.12713797167}, "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": ["Palau"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Equatorial.Pacific-Ocean", "N.Pacific-Ocean"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Oceania"]}, "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": ["North Pacific Ocean", "Philippine Sea"]}, "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": 8.5}, "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": 135.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "135.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 134.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 136.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 6.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 9.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2011-01-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[133.85, 8.25], [133.75, 8.5], [133.85, 8.75], [133.75, 9.0], [133.97, 9.53], [134.5, 9.75], [134.75, 9.65], [135.0, 9.75], [135.25, 9.65], [135.5, 9.75], [136.03, 9.53], [136.18, 9.18], [136.25, 9.15], [136.5, 9.25], [137.03, 9.03], [137.25, 8.5], [137.15, 8.25], [137.25, 8.0], [137.15, 7.75], [137.25, 7.5], [137.03, 6.97], [136.68, 6.82], [136.53, 6.47], [136.18, 6.32], [136.03, 5.97], [135.5, 5.75], [134.97, 5.97], [134.75, 6.5], [134.85, 6.75], [134.82, 6.82], [134.75, 6.85], [134.5, 6.75], [133.97, 6.97], [133.75, 7.5], [133.85, 7.75], [133.75, 8.0], [133.85, 8.25]]]]}, "2011-01-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[133.85, 8.25], [133.75, 8.5], [133.85, 8.75], [133.75, 9.0], [133.97, 9.53], [134.5, 9.75], [134.75, 9.65], [135.0, 9.75], [135.25, 9.65], [135.5, 9.75], [136.03, 9.53], [136.18, 9.18], [136.25, 9.15], [136.5, 9.25], [137.03, 9.03], [137.25, 8.5], [137.15, 8.25], [137.25, 8.0], [137.15, 7.75], [137.25, 7.5], [137.03, 6.97], [136.68, 6.82], [136.53, 6.47], [136.18, 6.32], [136.03, 5.97], [135.5, 5.75], [134.97, 5.97], [134.75, 6.5], [134.85, 6.75], [134.82, 6.82], [134.75, 6.85], [134.5, 6.75], [133.97, 6.97], [133.75, 7.5], [133.85, 7.75], [133.75, 8.0], [133.85, 8.25]]]]}, "2011-01-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[133.85, 8.25], [133.75, 8.5], [133.85, 8.75], [133.75, 9.0], [133.97, 9.53], [134.5, 9.75], [134.75, 9.65], [135.0, 9.75], [135.25, 9.65], [135.5, 9.75], [136.03, 9.53], [136.18, 9.18], [136.25, 9.15], [136.5, 9.25], [137.03, 9.03], [137.25, 8.5], [137.15, 8.25], [137.25, 8.0], [137.15, 7.75], [137.25, 7.5], [137.03, 6.97], [136.68, 6.82], [136.53, 6.47], [136.18, 6.32], [136.03, 5.97], [135.5, 5.75], [134.97, 5.97], [134.75, 6.5], [134.85, 6.75], [134.82, 6.82], [134.75, 6.85], [134.5, 6.75], [133.97, 6.97], [133.75, 7.5], [133.85, 7.75], [133.75, 8.0], [133.85, 8.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.0698139813626426}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 0.8505160923802115}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.907634731068867, 27.927781769288913, 27.806480928093094]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.03990535013412, 28.113799290883037, 28.066349455885018]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.8479057420215698, 0.9018949043470667, 0.8017476307719981]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [0.9734044551212833, 1.0698139813626426, 1.0481335099117928]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6215737123706235, 1.8218446172838096, 1.6246869436591462]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8762436118893577, 2.3410669095305536, 2.2080001530024327]}}