{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:53:56.740098", "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-Jul-26_to_2013-Jul-30_122.5_8.0"}, "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": 2013070001332}, "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 26 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 30 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": 51928.06719680771}, "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": ["Philippines"]}, "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": ["Celebes Sea", "Philippine Sea", "Sulu 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": 8.0}, "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": 122.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "122.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 121.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 124.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 6.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 11.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-07-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[120.97, 8.53], [121.32, 8.68], [121.47, 9.03], [122.0, 9.25], [122.25, 9.15], [122.5, 9.25], [122.75, 9.15], [122.82, 9.18], [122.97, 9.53], [123.32, 9.68], [123.46, 10.0], [123.25, 10.5], [123.35, 10.75], [123.25, 11.0], [123.47, 11.53], [124.0, 11.75], [124.53, 11.53], [124.68, 11.18], [125.03, 11.03], [125.25, 10.5], [125.15, 10.25], [125.25, 10.0], [125.04, 9.5], [125.25, 9.0], [125.03, 8.47], [124.5, 8.25], [124.0, 8.46], [123.68, 8.32], [123.53, 7.97], [123.13, 7.8], [123.25, 7.5], [123.03, 6.97], [122.68, 6.82], [122.53, 6.47], [122.0, 6.25], [121.47, 6.47], [121.32, 6.82], [120.97, 6.97], [120.75, 7.5], [120.85, 7.75], [120.75, 8.0], [120.97, 8.53]]]]}, "2013-07-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[120.97, 8.53], [121.32, 8.68], [121.47, 9.03], [122.0, 9.25], [122.25, 9.15], [122.5, 9.25], [122.75, 9.15], [122.82, 9.18], [122.97, 9.53], [123.32, 9.68], [123.46, 10.0], [123.25, 10.5], [123.35, 10.75], [123.25, 11.0], [123.47, 11.53], [124.0, 11.75], [124.53, 11.53], [124.68, 11.18], [125.03, 11.03], [125.25, 10.5], [125.15, 10.25], [125.25, 10.0], [125.04, 9.5], [125.25, 9.0], [125.03, 8.47], [124.5, 8.25], [124.0, 8.46], [123.68, 8.32], [123.53, 7.97], [123.18, 7.82], [123.15, 7.75], [123.25, 7.5], [123.03, 6.97], [122.68, 6.82], [122.53, 6.47], [122.0, 6.25], [121.47, 6.47], [121.32, 6.82], [120.97, 6.97], [120.75, 7.5], [120.85, 7.75], [120.75, 8.0], [120.97, 8.53]]]]}, "2013-07-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[120.97, 8.53], [121.32, 8.68], [121.47, 9.03], [122.0, 9.25], [122.25, 9.15], [122.5, 9.25], [122.75, 9.15], [122.82, 9.18], [122.97, 9.53], [123.32, 9.68], [123.46, 10.0], [123.25, 10.5], [123.35, 10.75], [123.25, 11.0], [123.47, 11.53], [124.0, 11.75], [124.53, 11.53], [124.68, 11.18], [125.03, 11.03], [125.25, 10.5], [125.15, 10.25], [125.25, 10.0], [125.04, 9.5], [125.25, 9.0], [125.03, 8.47], [124.5, 8.25], [124.0, 8.46], [123.68, 8.32], [123.53, 7.97], [123.18, 7.82], [123.15, 7.75], [123.25, 7.5], [123.03, 6.97], [122.68, 6.82], [122.53, 6.47], [122.0, 6.25], [121.47, 6.47], [121.32, 6.82], [120.97, 6.97], [120.75, 7.5], [120.85, 7.75], [120.75, 8.0], [120.97, 8.53]]]]}, "2013-07-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[122.5, 8.75], [123.03, 8.53], [123.25, 8.0], [123.03, 7.47], [122.5, 7.25], [121.97, 7.47], [121.75, 8.0], [121.97, 8.53], [122.5, 8.75]]]]}, "2013-07-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[122.5, 8.75], [123.03, 8.53], [123.25, 8.0], [123.03, 7.47], [122.5, 7.25], [121.97, 7.47], [121.75, 8.0], [121.97, 8.53], [122.5, 8.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -1.5995061819403418}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -1.0929359244422092}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.171760661354654, 25.823766935281526, 25.984392339576686, 25.669447634877997, 25.660381067340722]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [25.236183236173872, 24.97090218600829, 25.02572133972916, 25.669447634877997, 25.660381067340722]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-0.960170924903526, -1.2507918819415589, -1.0838499936002843, -0.8950016825182843, -0.8860197058088488]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-1.2381640939789804, -1.5995061819403418, -1.4178442490317593, -0.8950016825182843, -0.8860197058088488]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.5230497401108751, -1.939081756340199, -1.674405118128982, -1.4088459354212535, -1.3648522354923334]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-1.9734578071437354, -2.39766009717708, -2.060105218030692, -1.4088459354212535, -1.3648522354923334]}}