{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:46:54.636589", "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-Mar-07_to_2011-Mar-10_106.0_-7.5"}, "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": 2011030000466}, "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": "March 07 2011"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 10 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": 52146.557178606236}, "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": ["Indian Ocean", "Java 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": -7.5}, "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": 106.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "106.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 103.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 106.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -8.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -5.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2011-03-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[102.97, -6.97], [103.5, -6.75], [103.75, -6.85], [103.82, -6.82], [103.85, -6.75], [103.75, -6.5], [103.96, -6.0], [103.75, -5.5], [103.97, -4.97], [104.5, -4.75], [105.03, -4.97], [105.18, -5.32], [105.53, -5.47], [105.68, -5.82], [106.03, -5.97], [106.18, -6.32], [106.53, -6.47], [106.75, -7.0], [106.65, -7.25], [106.75, -7.5], [106.53, -8.03], [106.0, -8.25], [105.75, -8.15], [105.5, -8.25], [105.25, -8.15], [105.0, -8.25], [104.75, -8.15], [104.68, -8.18], [104.53, -8.53], [104.0, -8.75], [103.75, -8.65], [103.5, -8.75], [102.97, -8.53], [102.75, -8.0], [102.85, -7.75], [102.75, -7.5], [102.97, -6.97]]]]}, "2011-03-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[102.97, -6.97], [103.5, -6.75], [103.75, -6.85], [103.82, -6.82], [103.85, -6.75], [103.75, -6.5], [103.96, -6.0], [103.75, -5.5], [103.97, -4.97], [104.5, -4.75], [105.03, -4.97], [105.18, -5.32], [105.53, -5.47], [105.68, -5.82], [106.03, -5.97], [106.18, -6.32], [106.53, -6.47], [106.75, -7.0], [106.65, -7.25], [106.75, -7.5], [106.53, -8.03], [106.0, -8.25], [105.75, -8.15], [105.5, -8.25], [105.25, -8.15], [105.0, -8.25], [104.75, -8.15], [104.68, -8.18], [104.53, -8.53], [104.0, -8.75], [103.75, -8.65], [103.5, -8.75], [102.97, -8.53], [102.75, -8.0], [102.85, -7.75], [102.75, -7.5], [102.97, -6.97]]]]}, "2011-03-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[102.97, -6.97], [103.5, -6.75], [103.75, -6.85], [103.82, -6.82], [103.85, -6.75], [103.75, -6.5], [103.96, -6.0], [103.75, -5.5], [103.97, -4.97], [104.5, -4.75], [105.03, -4.97], [105.18, -5.32], [105.53, -5.47], [105.68, -5.82], [106.03, -5.97], [106.18, -6.32], [106.53, -6.47], [106.75, -7.0], [106.65, -7.25], [106.75, -7.5], [106.53, -8.03], [106.0, -8.25], [105.75, -8.15], [105.5, -8.25], [105.25, -8.15], [105.0, -8.25], [104.75, -8.15], [104.68, -8.18], [104.53, -8.53], [104.0, -8.75], [103.75, -8.65], [103.5, -8.75], [102.97, -8.53], [102.75, -8.0], [102.85, -7.75], [102.75, -7.5], [102.97, -6.97]]]]}, "2011-03-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[106.0, -6.75], [106.53, -6.97], [106.75, -7.5], [106.53, -8.03], [106.0, -8.25], [105.47, -8.03], [105.25, -7.5], [105.47, -6.97], [106.0, -6.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -1.244833753243313}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -1.0293989034027153}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.728319643089037, 25.895777942320137, 25.834999327204343, 25.946621224386433]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [24.375239276950538, 24.55661637538566, 24.560366518176295, 25.946621224386433]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-1.1260345549984214, -0.9542241907685406, -1.014365099414493, -0.9201376088564643]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-1.244833753243313, -1.0824263745797111, -1.2213207953180927, -0.9201376088564643]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.601962157654046, -1.3747781461388113, -1.4685863871179254, -1.3279020611614925]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-1.7404949676937593, -1.6590922451711974, -1.7282487710004664, -1.3279020611614925]}}