{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:54:06.779970", "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": "2013-Aug-04_to_2013-Aug-08_108.0_-2.0"}, "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": 2013080000284}, "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 04 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 08 2013"}, "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": "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": 86400.7637608206}, "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": ["Java Sea", "South China 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": -2.0}, "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": 108.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "108.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 105.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 108.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -5.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -0.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-08-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[108.0, -1.25], [108.53, -1.47], [108.75, -2.0], [108.53, -2.53], [108.0, -2.75], [107.47, -2.53], [107.25, -2.0], [107.47, -1.47], [108.0, -1.25]]]]}, "2013-08-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[107.47, -2.53], [107.25, -2.0], [107.47, -1.47], [108.0, -1.25], [108.53, -1.47], [108.75, -2.0], [108.53, -2.53], [108.0, -2.75], [107.47, -2.53]]], [[[105.47, -2.03], [105.25, -1.5], [105.47, -0.97], [106.0, -0.75], [106.53, -0.97], [106.75, -1.5], [106.53, -2.03], [106.0, -2.25], [105.47, -2.03]]]]}, "2013-08-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[105.35, -3.25], [105.25, -3.0], [105.47, -2.47], [106.0, -2.25], [105.75, -2.15], [105.5, -2.25], [104.97, -2.03], [104.75, -1.5], [104.97, -0.97], [105.5, -0.75], [105.75, -0.85], [105.82, -0.82], [105.97, -0.47], [106.5, -0.25], [107.03, -0.47], [107.18, -0.82], [107.25, -0.85], [107.5, -0.75], [107.75, -0.85], [108.0, -0.75], [108.53, -0.97], [108.75, -1.5], [108.65, -1.75], [108.75, -2.0], [108.53, -2.53], [108.0, -2.75], [107.75, -2.65], [107.68, -2.68], [107.65, -2.75], [107.68, -2.82], [108.03, -2.97], [108.18, -3.32], [108.53, -3.47], [108.75, -4.0], [108.65, -4.25], [108.75, -4.5], [108.53, -5.03], [108.18, -5.18], [108.03, -5.53], [107.5, -5.75], [107.25, -5.65], [107.0, -5.75], [106.47, -5.53], [106.32, -5.18], [105.97, -5.03], [105.82, -4.68], [105.47, -4.53], [105.25, -4.0], [105.35, -3.75], [105.25, -3.5], [105.35, -3.25]], [[106.25, -2.35], [106.32, -2.32], [106.35, -2.25], [106.3, -2.13], [106.0, -2.25], [106.25, -2.35]]]]}, "2013-08-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[105.35, -3.25], [105.25, -3.0], [105.47, -2.47], [106.0, -2.25], [105.75, -2.15], [105.5, -2.25], [104.97, -2.03], [104.75, -1.5], [104.97, -0.97], [105.5, -0.75], [105.75, -0.85], [105.82, -0.82], [105.97, -0.47], [106.5, -0.25], [107.03, -0.47], [107.18, -0.82], [107.25, -0.85], [107.5, -0.75], [107.75, -0.85], [108.0, -0.75], [108.53, -0.97], [108.75, -1.5], [108.65, -1.75], [108.75, -2.0], [108.53, -2.53], [108.0, -2.75], [107.75, -2.65], [107.68, -2.68], [107.65, -2.75], [107.68, -2.82], [108.03, -2.97], [108.18, -3.32], [108.53, -3.47], [108.75, -4.0], [108.65, -4.25], [108.75, -4.5], [108.53, -5.03], [108.18, -5.18], [108.03, -5.53], [107.5, -5.75], [107.25, -5.65], [107.0, -5.75], [106.47, -5.53], [106.32, -5.18], [105.97, -5.03], [105.82, -4.68], [105.47, -4.53], [105.25, -4.0], [105.35, -3.75], [105.25, -3.5], [105.35, -3.25]], [[106.25, -2.35], [106.32, -2.32], [106.35, -2.25], [106.3, -2.13], [106.0, -2.25], [106.25, -2.35]]]]}, "2013-08-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[105.35, -3.25], [105.25, -3.0], [105.47, -2.47], [106.0, -2.25], [105.75, -2.15], [105.5, -2.25], [104.97, -2.03], [104.75, -1.5], [104.97, -0.97], [105.5, -0.75], [105.75, -0.85], [105.82, -0.82], [105.97, -0.47], [106.5, -0.25], [107.03, -0.47], [107.18, -0.82], [107.25, -0.85], [107.5, -0.75], [107.75, -0.85], [108.0, -0.75], [108.53, -0.97], [108.75, -1.5], [108.65, -1.75], 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26.553804476964444, 26.55392466100875, 26.084919618978518, 26.232303364451752]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.709217102862, 26.445914380982174, 26.224717113068834, 25.792828421506613, 25.96166062191395]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-0.6822425492525781, -0.841264381456341, -0.7893501811466572, -1.2599605241812486, -1.103662518594366]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-0.6822425492525781, -0.9735094474590937, -0.9982309528145379, -1.5005163040262914, -1.3116152307998732]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.378678365895328, -1.530437031762938, -1.598599270940664, -2.591471486591153, -2.271450579147042]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-1.378678365895328, -1.6821677304212033, -1.9160212188738661, -3.2537289385572064, -3.029721481206455]}}