{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:47:56.670853", "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-Jul-21_to_2011-Jul-24_124.0_-9.0"}, "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": 2011070001152}, "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": "July 21 2011"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 24 2011"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 67220.20180913658}, "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": ["Indonesia"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.E.Asia"]}, "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": ["Banda Sea", "Flores Sea", "Savu 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": -9.0}, "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": 124.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "124.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 121.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 125.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -10.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -7.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2011-07-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[123.97, -7.47], [124.5, -7.25], [125.03, -7.47], [125.25, -8.0], [125.03, -8.53], [124.63, -8.7], [124.75, -9.0], [124.53, -9.53], [124.0, -9.75], [123.47, -9.53], [123.25, -9.0], [123.47, -8.47], [123.88, -8.3], [123.75, -8.0], [123.97, -7.47]]]]}, "2011-07-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[121.35, -8.25], [121.25, -8.0], [121.47, -7.47], [122.0, -7.25], [122.25, -7.35], [122.5, -7.25], [122.75, -7.35], [122.82, -7.32], [122.97, -6.97], [123.5, -6.75], [124.03, -6.97], [124.2, -7.37], [124.5, -7.25], [125.03, -7.47], [125.18, -7.82], [125.53, -7.97], [125.75, -8.5], [125.53, -9.03], [125.18, -9.18], [125.03, -9.53], [124.63, -9.7], [124.75, -10.0], [124.53, -10.53], [124.0, -10.75], [123.75, -10.65], [123.5, -10.75], [122.97, -10.53], [122.82, -10.18], [122.75, -10.15], [122.5, -10.25], [121.97, -10.03], [121.82, -9.68], [121.47, -9.53], [121.25, -9.0], [121.35, -8.75], [121.25, -8.5], [121.35, -8.25]]]]}, "2011-07-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[121.35, -8.25], [121.25, -8.0], [121.47, -7.47], [122.0, -7.25], [122.25, -7.35], [122.5, -7.25], [122.75, -7.35], [122.82, -7.32], [122.97, -6.97], [123.5, -6.75], [124.03, -6.97], [124.2, -7.37], [124.5, -7.25], [125.03, -7.47], [125.18, -7.82], [125.53, -7.97], [125.75, -8.5], [125.53, -9.03], [125.18, -9.18], [125.03, -9.53], [124.63, -9.7], [124.75, -10.0], [124.53, -10.53], [124.0, -10.75], [123.75, -10.65], [123.5, -10.75], [122.97, -10.53], [122.82, -10.18], [122.75, -10.15], [122.5, -10.25], [121.97, -10.03], [121.82, -9.68], [121.47, -9.53], [121.25, -9.0], [121.35, -8.75], [121.25, -8.5], [121.35, -8.25]]]]}, "2011-07-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[121.35, -8.25], [121.25, -8.0], [121.47, -7.47], [122.0, -7.25], [122.25, -7.35], [122.5, -7.25], [122.75, -7.35], [122.82, -7.32], [122.97, -6.97], [123.5, -6.75], [124.03, -6.97], [124.25, -7.5], [124.15, -7.75], [124.18, -7.82], [124.25, -7.85], [124.5, -7.75], [124.75, -7.85], [125.0, -7.75], [125.53, -7.97], [125.75, -8.5], [125.53, -9.03], [125.18, -9.18], [125.03, -9.53], [124.63, -9.7], [124.75, -10.0], [124.53, -10.53], [124.0, -10.75], [123.75, -10.65], [123.5, -10.75], [122.97, -10.53], [122.82, -10.18], [122.75, -10.15], [122.5, -10.25], [121.97, -10.03], [121.82, -9.68], [121.47, -9.53], [121.25, -9.0], [121.35, -8.75], [121.25, -8.5], [121.35, -8.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -1.850843465701871}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -0.9750100932502288}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.325889869016123, 24.761448426593915, 24.668670281307357, 24.813760477957373]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [25.177200627170407, 22.381952846101115, 22.537082932020496, 22.89564943441127]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-0.7230603312876269, -0.9857317103906305, -1.0615412757539957, -0.8971214233337286]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-0.7413950766308517, -1.850843465701871, -1.6910613277937614, -1.3380941887263589]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.3148558664396932, -1.6489806531461766, -1.795064257828598, -1.5120456063645928]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-1.377439002451322, -2.437321048740211, -2.471599718864325, -1.9269278436076684]}}