{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:50:58.048141", "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": "2012-Jul-25_to_2012-Jul-29_124.5_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": 2012070001308}, "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 25 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 29 2012"}, "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": 70327.08917805535}, "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": ["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": 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": 124.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "124.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 122.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 126.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 6.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 10.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2012-07-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[123.85, 7.75], [123.75, 8.0], [123.97, 8.53], [124.32, 8.68], [124.47, 9.03], [124.82, 9.18], [124.97, 9.53], [125.5, 9.75], [126.03, 9.53], [126.18, 9.18], [126.53, 9.03], [126.75, 8.5], [126.65, 8.25], [126.75, 8.0], [126.65, 7.75], [126.75, 7.5], [126.53, 6.97], [126.0, 6.75], [125.7, 6.87], [125.65, 6.75], [125.75, 6.5], [125.53, 5.97], [125.0, 5.75], [124.47, 5.97], [124.32, 6.32], [123.97, 6.47], [123.75, 7.0], [123.85, 7.25], [123.75, 7.5], [123.85, 7.75]]]]}, "2012-07-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[122.47, 9.53], [123.0, 9.75], [123.25, 9.65], [123.32, 9.68], [123.35, 9.75], [123.25, 10.0], [123.35, 10.25], [123.25, 10.5], [123.47, 11.03], [124.0, 11.25], [124.53, 11.03], [124.75, 10.5], [124.65, 10.25], [124.68, 10.18], [125.03, 10.03], [125.2, 9.63], [125.5, 9.75], [126.03, 9.53], [126.18, 9.18], [126.53, 9.03], [126.75, 8.5], [126.65, 8.25], [126.75, 8.0], [126.65, 7.75], [126.75, 7.5], [126.53, 6.97], [126.0, 6.75], [125.7, 6.87], [125.65, 6.75], [125.75, 6.5], [125.53, 5.97], [125.0, 5.75], [124.47, 5.97], [124.32, 6.32], [123.97, 6.47], [123.75, 7.0], [123.85, 7.25], [123.82, 7.32], [123.5, 7.46], [123.0, 7.25], [122.75, 7.35], [122.5, 7.25], [121.97, 7.47], [121.75, 8.0], [121.97, 8.53], [122.38, 8.7], [122.25, 9.0], [122.47, 9.53]], [[124.32, 8.68], [124.38, 8.8], [124.25, 8.85], [124.18, 8.82], [124.15, 8.75], [124.18, 8.68], [124.25, 8.65], [124.32, 8.68]]]]}, "2012-07-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[122.47, 9.53], [122.82, 9.68], [122.97, 10.03], [123.32, 10.18], [123.35, 10.25], [123.25, 10.5], [123.47, 11.03], [124.0, 11.25], [124.53, 11.03], [124.75, 10.5], [124.65, 10.25], [124.68, 10.18], [125.03, 10.03], [125.2, 9.63], [125.5, 9.75], [126.03, 9.53], [126.18, 9.18], [126.53, 9.03], [126.75, 8.5], [126.65, 8.25], [126.75, 8.0], [126.65, 7.75], [126.75, 7.5], [126.53, 6.97], [126.0, 6.75], [125.7, 6.87], [125.65, 6.75], [125.75, 6.5], [125.53, 5.97], [125.0, 5.75], [124.47, 5.97], [124.32, 6.32], [123.97, 6.47], [123.75, 7.0], 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9.53]]]]}, "2012-07-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[123.5, 10.25], [124.03, 10.03], [124.25, 9.5], [124.03, 8.97], [123.5, 8.75], [122.97, 8.97], [122.75, 9.5], [122.97, 10.03], [123.5, 10.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -2.396560886914415}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -1.2646766586785663}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [23.960999198579714, 24.757258821881067, 24.576593155165483, 25.31171701872239, 26.22379293878504]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [20.68251971245877, 20.85217920534768, 20.70372714906989, 23.38676597687345, 26.22379293878504]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-1.399365216415859, -1.1640281330941233, -1.3810279601786617, -1.135504462353424, -0.7366679500883038]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-2.1931740447906805, -1.6166289848217161, -2.396560886914415, -1.7332222015739944, -0.7366679500883038]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.798565616424911, -1.6108837865007963, -1.9245535352042284, -1.7467338301001913, -1.3048098188593498]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-2.6607505178855866, -2.1554268768803775, -2.450293872534373, -2.313693911996103, -1.3048098188593498]}}