{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:53:01.368670", "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-Apr-13_to_2013-Apr-17_98.5_9.5"}, "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": 2013040000496}, "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": "April 13 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 17 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": 88522.90925988505}, "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": ["Thailand"]}, "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": ["Andaman or Burma Sea", "Gulf of Thailand", "Malacca Strait"]}, "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": 9.5}, "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": 98.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "98.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 95.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 99.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 7.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 10.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-04-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[97.75, 9.5], [97.85, 9.75], [97.75, 10.0], [97.97, 10.53], [98.5, 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[99.18, 7.82], [99.15, 7.75], [99.25, 7.5], [99.03, 6.97], [98.5, 6.75], [97.97, 6.97], [97.82, 7.32], [97.5, 7.46], [97.0, 7.25], [96.47, 7.47], [96.25, 8.0], [96.35, 8.25], [96.32, 8.32], [95.97, 8.47], [95.82, 8.82], [95.47, 8.97], [95.25, 9.5]]]]}, "2013-04-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[95.25, 9.5], [95.47, 10.03], [96.0, 10.25], [96.25, 10.15], [96.32, 10.18], [96.47, 10.53], [97.0, 10.75], [97.25, 10.65], [97.5, 10.75], [97.75, 10.65], [98.0, 10.75], [98.25, 10.65], [98.5, 10.75], [99.0, 10.54], [99.5, 10.75], [100.03, 10.53], [100.25, 10.0], [100.15, 9.75], [100.25, 9.5], [100.15, 9.25], [100.25, 9.0], [100.15, 8.75], [100.25, 8.5], [100.03, 7.97], [99.5, 7.75], [99.25, 7.85], [99.18, 7.82], [99.15, 7.75], [99.25, 7.5], [99.03, 6.97], [98.5, 6.75], [97.97, 6.97], [97.82, 7.32], [97.5, 7.46], [97.0, 7.25], [96.47, 7.47], [96.25, 8.0], [96.35, 8.25], [96.32, 8.32], [95.97, 8.47], [95.82, 8.82], [95.47, 8.97], [95.25, 9.5]]]]}, "2013-04-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[95.47, 8.97], [95.25, 9.5], [95.47, 10.03], [96.0, 10.25], [96.25, 10.15], [96.32, 10.18], [96.47, 10.53], [97.0, 10.75], [97.25, 10.65], [97.5, 10.75], [97.75, 10.65], [98.0, 10.75], [98.25, 10.65], [98.5, 10.75], [99.03, 10.53], [99.2, 10.13], [99.5, 10.25], [100.03, 10.03], [100.25, 9.5], [100.03, 8.97], [99.5, 8.75], [99.2, 8.87], [99.15, 8.75], [99.25, 8.5], [99.15, 8.25], [99.25, 8.0], [99.03, 7.47], [98.5, 7.25], [98.25, 7.35], [98.0, 7.25], [97.5, 7.46], [97.0, 7.25], [96.47, 7.47], [96.25, 8.0], [96.35, 8.25], [96.25, 8.5], [96.35, 8.75], [96.32, 8.82], [96.25, 8.85], [96.0, 8.75], [95.47, 8.97]]]]}, "2013-04-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[97.85, 9.25], [97.75, 9.5], [97.97, 10.03], [98.5, 10.25], [99.03, 10.03], [99.25, 9.5], [99.15, 9.25], [99.25, 9.0], [99.15, 8.75], [99.25, 8.5], [99.03, 7.97], [98.5, 7.75], [97.97, 7.97], [97.75, 8.5], [97.85, 8.75], [97.75, 9.0], [97.85, 9.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -3.8471631558731474}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -1.7581395102392017}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.108135205064116, 26.215831577602785, 26.707568320685652, 26.77681781547875, 25.530553884789867]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [25.141616943367865, 25.012337430656828, 25.926643219722962, 25.872693737240184, 25.283847397186207]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-2.083519444888296, -2.0393361529272567, -1.5680893532278157, -1.431045972702337, -1.974223018705364]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-3.8471631558731474, -3.6515113161686372, -2.5067027115479164, -1.7109186880953757, -2.2396560878436844]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.8532940191827754, -2.2091149612425665, -1.7897099158109901, -1.8260367889957239, -2.130687375887574]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-2.453423044342445, -2.730711250753439, -2.5514152651898065, -2.34839008349788, -2.414855134989359]}}