{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:48:18.235847", "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-Aug-31_to_2011-Sep-04_158.0_-5.5"}, "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": 2011080003268}, "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": "August 31 2011"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 04 2011"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 98263.94388660626}, "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": ["Solomon Islands"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Equatorial.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": ["Solomon Sea", "South Pacific Ocean"]}, "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": -5.5}, "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": 158.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "158.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 155.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 159.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -8.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -4.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2011-08-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[157.97, -4.97], [158.5, -4.75], [159.03, -4.97], [159.25, -5.5], [159.15, -5.75], [159.18, -5.82], [159.53, -5.97], [159.75, -6.5], [159.53, -7.03], [159.0, -7.25], [158.47, -7.03], [158.32, -6.68], [157.97, -6.53], [157.75, -6.0], [157.85, -5.75], [157.75, -5.5], [157.97, -4.97]]]]}, "2011-09-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[155.25, -7.5], [155.47, -6.97], [155.82, -6.82], [155.97, -6.47], [156.5, -6.25], [156.75, -6.35], [156.82, -6.32], [156.97, -5.97], [157.32, -5.82], [157.35, -5.75], [157.25, -5.5], [157.35, -5.25], [157.25, -5.0], [157.47, -4.47], [158.0, -4.25], [158.53, -4.47], [158.68, -4.82], [159.03, -4.97], [159.25, -5.5], [159.15, -5.75], [159.18, -5.82], [159.53, -5.97], [159.75, -6.5], [159.54, -7.0], [159.75, -7.5], [159.53, -8.03], [159.0, -8.25], [158.75, -8.15], [158.68, -8.18], [158.53, -8.53], [158.18, -8.68], [158.03, -9.03], [157.5, -9.25], [156.97, -9.03], [156.8, -8.63], [156.5, -8.75], [155.97, -8.53], [155.82, -8.18], [155.47, -8.03], [155.25, -7.5]]]]}, "2011-09-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[155.25, -7.5], [155.47, -6.97], [155.82, -6.82], [155.97, -6.47], [156.5, -6.25], [156.75, -6.35], [156.82, -6.32], [156.88, -6.2], [156.47, -6.03], [156.32, -5.68], [155.97, -5.53], [155.75, -5.0], [155.85, -4.75], [155.75, -4.5], [155.97, -3.97], [156.5, -3.75], [156.75, -3.85], [157.0, -3.75], [157.25, -3.85], [157.5, -3.75], [158.03, -3.97], [158.18, -4.32], [158.53, -4.47], [158.68, -4.82], [159.03, -4.97], [159.25, -5.5], [159.15, -5.75], [159.18, -5.82], [159.53, -5.97], [159.75, -6.5], [159.54, -7.0], [159.75, -7.5], [159.53, -8.03], [159.0, -8.25], [158.75, -8.15], [158.68, -8.18], [158.53, -8.53], [158.18, -8.68], [158.03, -9.03], [157.5, -9.25], [156.97, -9.03], [156.8, -8.63], [156.5, -8.75], [155.97, -8.53], [155.82, -8.18], [155.47, -8.03], [155.25, -7.5]]]]}, "2011-09-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[155.25, -7.5], [155.47, -6.97], [155.82, -6.82], [155.97, -6.47], [156.5, -6.25], [156.75, -6.35], [156.82, -6.32], [156.88, -6.2], [156.47, -6.03], [156.32, -5.68], [155.97, -5.53], [155.75, -5.0], [155.85, -4.75], [155.75, -4.5], [155.97, -3.97], [156.5, -3.75], [156.75, -3.85], [157.0, -3.75], [157.25, -3.85], [157.5, -3.75], [158.03, -3.97], [158.18, -4.32], [158.53, -4.47], [158.75, -5.0], [158.65, -5.25], [158.75, -5.5], [158.65, -5.75], [158.75, -6.0], [158.65, -6.25], [158.68, -6.32], [159.03, -6.47], [159.18, -6.82], [159.53, -6.97], [159.75, -7.5], [159.53, -8.03], [159.0, -8.25], [158.75, -8.15], [158.68, -8.18], [158.53, -8.53], [158.18, -8.68], [158.03, -9.03], [157.5, -9.25], [156.97, -9.03], [156.8, -8.63], [156.5, -8.75], [155.97, -8.53], [155.82, -8.18], [155.47, -8.03], [155.25, -7.5]]]]}, "2011-09-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[155.97, -3.97], [156.5, -3.75], [156.75, -3.85], [157.0, -3.75], [157.25, -3.85], [157.5, -3.75], [158.03, -3.97], [158.25, -4.5], [158.15, -4.75], [158.18, -4.82], [158.53, -4.97], [158.75, -5.5], [158.53, -6.03], [158.0, -6.25], [157.75, -6.15], [157.5, -6.25], [157.25, -6.15], [157.0, -6.25], [156.47, -6.03], [156.32, -5.68], [155.97, -5.53], [155.75, -5.0], [155.85, -4.75], [155.75, -4.5], [155.97, -3.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.5776234950221806}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.135195734186559}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.57754655618686, 27.666284933164377, 27.831481424959975, 27.666502508896713, 27.646159610744405]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.615364188015405, 28.29971360296298, 28.22411512516601, 28.283996663712003, 27.715043462828078]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.7933512849197465, 1.1613791210358688, 1.2416204026091293, 1.1116969150608826, 0.8766411151353787]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [0.850988864024032, 1.5776234950221806, 1.4582151111191024, 1.506264537709967, 0.9660996346283355]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4356196353016364, 2.054963035455289, 2.1733301296335408, 2.0110113031560592, 1.5455267380446192]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5180454272229316, 2.7793221898088976, 2.660011313168902, 2.6660451247773467, 1.6725603206008286]}}