{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:52:50.971623", "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": "2024-Aug-15_to_2024-Aug-22_65.0_27.0"}, "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": 2024080000413}, "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 15 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 22 2024"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 8}, "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": 355252.32524841314}, "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": ["India", "Iran", "Pakistan"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.Asia", "W.C.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": []}, "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": 27.0}, "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": 65.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "65.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 58.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 73.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 25.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 30.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-08-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[71.47, 28.53], [71.82, 28.68], [71.97, 29.03], [72.5, 29.25], [72.75, 29.15], [73.0, 29.25], [73.25, 29.15], [73.5, 29.25], [74.03, 29.03], [74.25, 28.5], [74.15, 28.25], [74.25, 28.0], [74.03, 27.47], [73.5, 27.25], [73.25, 27.35], [73.18, 27.32], [73.03, 26.97], [72.5, 26.75], [72.25, 26.85], [72.0, 26.75], [71.47, 26.97], [71.25, 27.5], [71.35, 27.75], [71.25, 28.0], [71.47, 28.53]]]]}, "2024-08-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[61.25, 26.5], [61.47, 27.03], [62.0, 27.25], [62.25, 27.15], [62.5, 27.25], [62.75, 27.15], [62.82, 27.18], [62.97, 27.53], [63.5, 27.75], [64.03, 27.53], [64.25, 27.0], [64.03, 26.47], [63.68, 26.32], [63.53, 25.97], [63.0, 25.75], [62.75, 25.85], [62.5, 25.75], [62.25, 25.85], [62.0, 25.75], [61.47, 25.97], [61.25, 26.5]]], [[[67.25, 27.0], [67.03, 26.47], [66.68, 26.32], [66.53, 25.97], [66.0, 25.75], [65.47, 25.97], [65.25, 26.5], [65.47, 27.03], [65.82, 27.18], [65.97, 27.53], [66.5, 27.75], [67.03, 27.53], [67.25, 27.0]]], [[[68.47, 29.53], [68.82, 29.68], [68.85, 29.75], [68.75, 30.0], [68.85, 30.25], [68.75, 30.5], [68.97, 31.03], [69.5, 31.25], [69.75, 31.15], [70.0, 31.25], [70.25, 31.15], [70.5, 31.25], [70.75, 31.15], [71.0, 31.25], [71.25, 31.15], [71.5, 31.25], [72.03, 31.03], [72.18, 30.68], [72.53, 30.53], [72.68, 30.18], [73.03, 30.03], [73.25, 29.5], [73.15, 29.25], [73.18, 29.18], [73.25, 29.15], [73.5, 29.25], [74.03, 29.03], [74.25, 28.5], [74.15, 28.25], [74.25, 28.0], [74.03, 27.47], [73.5, 27.25], [73.25, 27.35], [73.18, 27.32], [73.03, 26.97], [72.5, 26.75], [72.25, 26.85], [72.18, 26.82], [72.03, 26.47], [71.5, 26.25], [71.25, 26.35], [71.18, 26.32], [71.03, 25.97], [70.5, 25.75], [70.25, 25.85], [70.0, 25.75], [69.47, 25.97], [69.25, 26.5], [69.35, 26.75], [69.3, 26.88], [69.0, 26.75], [68.47, 26.97], [68.32, 27.32], [67.97, 27.47], [67.75, 28.0], [67.85, 28.25], [67.75, 28.5], [67.97, 29.03], [68.32, 29.18], [68.47, 29.53]]]]}, "2024-08-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[57.97, 25.97], [57.75, 26.5], [57.97, 27.03], [58.5, 27.25], [58.75, 27.15], [59.0, 27.25], [59.25, 27.15], [59.5, 27.25], [59.75, 27.15], [60.0, 27.25], [60.25, 27.15], [60.5, 27.25], [60.75, 27.15], [61.0, 27.25], [61.25, 27.15], [61.32, 27.18], [61.47, 27.53], [62.0, 27.75], [62.25, 27.65], [62.5, 27.75], [62.75, 27.65], [63.0, 27.75], [63.25, 27.65], [63.5, 27.75], [63.75, 27.65], [64.0, 27.75], [64.5, 27.54], [65.0, 27.75], [65.25, 27.65], [65.32, 27.68], [65.35, 27.75], [65.25, 28.0], [65.47, 28.53], [65.82, 28.68], [65.97, 29.03], [66.5, 29.25], [66.75, 29.15], [66.82, 29.18], [66.85, 29.25], [66.75, 29.5], [66.97, 30.03], [67.5, 30.25], [67.75, 30.15], [68.0, 30.25], [68.25, 30.15], [68.5, 30.25], [68.8, 30.13], [68.85, 30.25], [68.75, 30.5], [68.97, 31.03], [69.5, 31.25], [69.75, 31.15], [70.0, 31.25], [70.25, 31.15], [70.5, 31.25], [70.75, 31.15], [71.0, 31.25], [71.25, 31.15], [71.5, 31.25], [72.03, 31.03], [72.18, 30.68], [72.53, 30.53], [72.68, 30.18], [73.03, 30.03], [73.25, 29.5], [73.15, 29.25], [73.18, 29.18], [73.25, 29.15], [73.5, 29.25], [74.03, 29.03], [74.25, 28.5], [74.15, 28.25], [74.25, 28.0], [74.03, 27.47], [73.5, 27.25], [73.25, 27.35], [73.18, 27.32], [73.03, 26.97], [72.5, 26.75], [72.25, 26.85], [72.18, 26.82], [72.03, 26.47], [71.5, 26.25], [71.25, 26.35], [71.18, 26.32], [71.03, 25.97], [70.5, 25.75], [70.25, 25.85], [70.0, 25.75], [69.75, 25.85], [69.5, 25.75], [69.25, 25.85], [69.0, 25.75], [68.75, 25.85], [68.68, 25.82], [68.53, 25.47], [68.0, 25.25], [67.5, 25.46], [67.0, 25.25], [66.75, 25.35], [66.5, 25.25], [66.25, 25.35], [66.0, 25.25], [65.47, 25.47], [65.3, 25.88], [65.0, 25.75], [64.47, 25.97], [64.3, 26.38], [64.0, 26.25], [63.75, 26.35], [63.68, 26.32], [63.53, 25.97], [63.0, 25.75], [62.75, 25.85], [62.5, 25.75], [62.25, 25.85], [62.0, 25.75], [61.75, 25.85], [61.5, 25.75], [61.25, 25.85], [61.0, 25.75], [60.75, 25.85], [60.5, 25.75], [60.25, 25.85], [60.0, 25.75], [59.75, 25.85], [59.5, 25.75], [59.25, 25.85], [59.0, 25.75], [58.75, 25.85], [58.5, 25.75], [57.97, 25.97]]]]}, "2024-08-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[57.97, 25.97], [57.75, 26.5], [57.97, 27.03], [58.5, 27.25], [58.75, 27.15], [59.0, 27.25], [59.25, 27.15], [59.5, 27.25], [59.75, 27.15], [60.0, 27.25], [60.25, 27.15], [60.5, 27.25], [60.75, 27.15], [61.0, 27.25], [61.25, 27.15], [61.32, 27.18], [61.47, 27.53], [62.0, 27.75], [62.25, 27.65], [62.5, 27.75], [62.75, 27.65], [63.0, 27.75], [63.25, 27.65], [63.5, 27.75], [63.75, 27.65], [64.0, 27.75], [64.25, 27.65], [64.5, 27.75], [64.75, 27.65], [64.82, 27.68], [64.97, 28.03], [65.32, 28.18], [65.47, 28.53], [65.82, 28.68], [65.97, 29.03], [66.5, 29.25], [66.75, 29.15], [66.82, 29.18], [66.85, 29.25], [66.75, 29.5], [66.97, 30.03], [67.5, 30.25], [67.75, 30.15], [68.0, 30.25], [68.25, 30.15], [68.5, 30.25], [68.8, 30.13], [68.85, 30.25], [68.75, 30.5], [68.97, 31.03], [69.5, 31.25], [69.75, 31.15], [70.0, 31.25], [70.25, 31.15], [70.5, 31.25], [70.75, 31.15], [71.0, 31.25], [71.25, 31.15], [71.5, 31.25], [72.03, 31.03], [72.18, 30.68], [72.53, 30.53], [72.68, 30.18], [73.03, 30.03], [73.25, 29.5], [73.15, 29.25], [73.25, 29.0], [73.15, 28.75], [73.25, 28.5], [73.15, 28.25], [73.25, 28.0], [73.03, 27.47], [72.68, 27.32], [72.53, 26.97], [72.18, 26.82], [72.03, 26.47], [71.5, 26.25], [71.25, 26.35], [71.18, 26.32], [71.03, 25.97], [70.5, 25.75], [70.25, 25.85], [70.0, 25.75], [69.75, 25.85], [69.5, 25.75], [69.25, 25.85], [69.0, 25.75], [68.75, 25.85], [68.68, 25.82], [68.53, 25.47], [68.0, 25.25], [67.5, 25.46], [67.0, 25.25], [66.75, 25.35], [66.5, 25.25], [66.25, 25.35], [66.0, 25.25], [65.5, 25.46], [65.0, 25.25], [64.75, 25.35], [64.5, 25.25], [64.25, 25.35], [64.0, 25.25], [63.47, 25.47], [63.32, 25.82], [63.25, 25.85], [63.0, 25.75], [62.75, 25.85], [62.5, 25.75], [62.25, 25.85], [62.0, 25.75], [61.75, 25.85], [61.5, 25.75], [61.25, 25.85], [61.0, 25.75], [60.75, 25.85], [60.5, 25.75], [60.25, 25.85], [60.0, 25.75], [59.75, 25.85], [59.5, 25.75], [59.25, 25.85], [59.0, 25.75], [58.75, 25.85], [58.5, 25.75], [57.97, 25.97]]]]}, "2024-08-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[57.97, 25.97], [57.75, 26.5], [57.97, 27.03], [58.5, 27.25], [58.75, 27.15], [59.0, 27.25], [59.25, 27.15], [59.5, 27.25], [59.75, 27.15], [60.0, 27.25], [60.25, 27.15], [60.5, 27.25], [60.75, 27.15], [61.0, 27.25], [61.25, 27.15], [61.32, 27.18], [61.47, 27.53], [62.0, 27.75], [62.25, 27.65], [62.5, 27.75], [62.75, 27.65], [63.0, 27.75], [63.25, 27.65], [63.5, 27.75], [63.75, 27.65], [64.0, 27.75], [64.25, 27.65], [64.5, 27.75], [64.75, 27.65], [64.82, 27.68], [64.97, 28.03], [65.32, 28.18], [65.47, 28.53], [65.82, 28.68], [65.97, 29.03], [66.5, 29.25], [66.75, 29.15], [66.82, 29.18], [66.85, 29.25], [66.75, 29.5], [66.97, 30.03], [67.5, 30.25], [67.75, 30.15], [68.0, 30.25], [68.25, 30.15], [68.5, 30.25], [69.03, 30.03], [69.18, 29.68], [69.25, 29.65], [69.5, 29.75], [69.75, 29.65], [70.0, 29.75], [70.53, 29.53], [70.68, 29.18], [70.75, 29.15], [71.0, 29.25], [71.53, 29.03], [71.75, 28.5], [71.53, 27.97], [71.18, 27.82], [71.15, 27.75], [71.25, 27.5], [71.03, 26.97], [70.68, 26.82], [70.53, 26.47], [70.18, 26.32], [70.03, 25.97], [69.5, 25.75], [69.25, 25.85], [69.0, 25.75], [68.75, 25.85], [68.68, 25.82], [68.53, 25.47], [68.0, 25.25], [67.5, 25.46], [67.0, 25.25], [66.75, 25.35], [66.5, 25.25], [66.25, 25.35], [66.0, 25.25], [65.5, 25.46], [65.0, 25.25], [64.75, 25.35], [64.5, 25.25], [64.25, 25.35], [64.0, 25.25], [63.47, 25.47], [63.32, 25.82], [63.25, 25.85], [63.0, 25.75], [62.75, 25.85], [62.5, 25.75], [62.25, 25.85], [62.0, 25.75], [61.75, 25.85], [61.5, 25.75], [61.25, 25.85], [61.0, 25.75], [60.75, 25.85], [60.5, 25.75], [60.25, 25.85], [60.0, 25.75], [59.75, 25.85], [59.5, 25.75], [59.25, 25.85], [59.0, 25.75], [58.75, 25.85], [58.5, 25.75], [57.97, 25.97]]]]}, "2024-08-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[57.97, 25.97], [57.75, 26.5], [57.97, 27.03], [58.5, 27.25], [58.75, 27.15], [59.0, 27.25], [59.25, 27.15], [59.5, 27.25], [59.75, 27.15], [60.0, 27.25], [60.25, 27.15], [60.5, 27.25], [60.75, 27.15], [61.0, 27.25], [61.25, 27.15], [61.32, 27.18], [61.47, 27.53], [62.0, 27.75], [62.25, 27.65], [62.5, 27.75], [63.03, 27.53], [63.18, 27.18], [63.25, 27.15], [63.32, 27.18], [63.47, 27.53], [64.0, 27.75], [64.25, 27.65], [64.5, 27.75], [64.75, 27.65], [64.82, 27.68], [64.97, 28.03], [65.5, 28.25], [65.75, 28.15], [66.0, 28.25], [66.25, 28.15], [66.5, 28.25], [67.03, 28.03], [67.25, 27.5], [67.15, 27.25], [67.18, 27.18], [67.53, 27.03], [67.75, 26.5], [67.53, 25.97], [67.0, 25.75], [66.75, 25.85], [66.5, 25.75], [66.25, 25.85], [66.0, 25.75], [65.75, 25.85], [65.68, 25.82], [65.53, 25.47], [65.0, 25.25], [64.75, 25.35], [64.5, 25.25], [64.25, 25.35], [64.0, 25.25], [63.47, 25.47], [63.32, 25.82], [63.25, 25.85], [63.0, 25.75], [62.75, 25.85], [62.5, 25.75], [62.25, 25.85], [62.0, 25.75], [61.75, 25.85], [61.5, 25.75], [61.25, 25.85], [61.0, 25.75], [60.75, 25.85], [60.5, 25.75], [60.25, 25.85], [60.0, 25.75], [59.75, 25.85], [59.5, 25.75], [59.25, 25.85], [59.0, 25.75], [58.75, 25.85], [58.5, 25.75], [57.97, 25.97]]]]}, "2024-08-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[59.47, 25.97], [59.25, 26.5], [59.47, 27.03], [60.0, 27.25], [60.53, 27.03], [60.75, 26.5], [60.53, 25.97], [60.0, 25.75], [59.47, 25.97]]], [[[64.5, 27.75], [64.75, 27.65], [64.82, 27.68], [64.97, 28.03], [65.5, 28.25], [65.75, 28.15], [66.0, 28.25], [66.25, 28.15], [66.5, 28.25], [67.03, 28.03], [67.25, 27.5], [67.15, 27.25], [67.25, 27.0], [67.03, 26.47], [66.68, 26.32], [66.53, 25.97], [66.0, 25.75], [65.75, 25.85], [65.5, 25.75], [65.25, 25.85], [65.18, 25.82], [65.03, 25.47], [64.5, 25.25], [64.25, 25.35], [64.0, 25.25], [63.47, 25.47], [63.25, 26.0], [63.47, 26.53], [63.88, 26.7], [63.75, 27.0], [63.97, 27.53], [64.5, 27.75]]]]}, "2024-08-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[64.47, 27.53], [64.82, 27.68], [64.97, 28.03], [65.5, 28.25], [65.75, 28.15], [66.0, 28.25], [66.25, 28.15], [66.5, 28.25], [67.03, 28.03], [67.25, 27.5], [67.03, 26.97], [66.68, 26.82], [66.65, 26.75], [66.75, 26.5], [66.53, 25.97], [66.0, 25.75], [65.75, 25.85], [65.5, 25.75], [65.25, 25.85], [65.0, 25.75], [64.47, 25.97], [64.25, 26.5], [64.35, 26.75], [64.25, 27.0], [64.47, 27.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -6.294304171038846}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -3.4498024171365396}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [29.372663606783306, 28.80871854652139, 27.831938002643597, 27.956625149823083, 28.12348445104476, 27.32986433331223, 27.07209006447846, 27.1562540817348]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.37219776868602, 24.072316089269805, 21.980178839335338, 20.71665115019607, 22.020621757739548, 25.37064349889647, 25.456702267128833, 25.836520838034517]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-2.697770991010941, -3.32048036832855, -3.9501913200721464, -3.6545994773161543, -3.2905049839738023, -2.6058133629772673, -2.229184188981963, -2.0321748549170087]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-3.1720664318358445, -5.386285674309875, -5.87433645868839, -6.294304171038846, -4.8772561053570485, -3.5885640855136103, -2.6943290186997046, -2.434666258888683]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.4591586207417828, -2.082931167045985, -2.5906297913326153, -2.4700998258238185, -2.264766946218252, -1.8080490086646885, -1.6569981028318648, -1.5597984845108657]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-1.5369025423167664, -2.902795548655286, -4.156722658877149, -4.5096558034032705, -4.033175959007807, -2.7173146763545066, -2.206542393229535, -1.8522997382021653]}}