{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:50:24.856174", "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-May-25_to_2012-May-30_102.5_10.5"}, "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": 2012050001299}, "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": "May 25 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 30 2012"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 72855.25580407749}, "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": ["Gulf of Thailand"]}, "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": 10.5}, "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": 102.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "102.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 100.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 103.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 8.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 12.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2012-05-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[102.97, 8.47], [102.75, 9.0], [102.97, 9.53], [103.5, 9.75], [104.03, 9.53], [104.25, 9.0], [104.03, 8.47], [103.5, 8.25], [102.97, 8.47]]], [[[101.25, 11.5], [101.46, 12.0], [101.25, 12.5], [101.47, 13.03], [102.0, 13.25], [102.25, 13.15], [102.5, 13.25], [103.03, 13.03], [103.25, 12.5], [103.03, 11.97], [102.63, 11.8], [102.68, 11.68], [103.03, 11.53], [103.25, 11.0], [103.15, 10.75], [103.25, 10.5], [103.03, 9.97], [102.5, 9.75], [102.25, 9.85], [102.0, 9.75], [101.47, 9.97], [101.25, 10.5], [101.35, 10.75], [101.25, 11.0], [101.35, 11.25], [101.25, 11.5]]]]}, "2012-05-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[101.35, 11.25], [101.25, 11.5], [101.46, 12.0], [101.25, 12.5], [101.47, 13.03], [102.0, 13.25], [102.25, 13.15], [102.5, 13.25], [103.03, 13.03], [103.25, 12.5], [103.03, 11.97], [102.63, 11.8], [102.68, 11.68], [103.03, 11.53], [103.25, 11.0], [103.15, 10.75], [103.25, 10.5], [103.13, 10.2], [103.53, 10.03], [103.68, 9.68], [104.03, 9.53], [104.25, 9.0], [104.03, 8.47], [103.5, 8.25], [102.97, 8.47], [102.82, 8.82], [102.47, 8.97], [102.25, 9.5], [102.38, 9.8], [102.25, 9.85], [102.0, 9.75], [101.47, 9.97], [101.25, 10.5], [101.35, 10.75], [101.25, 11.0], [101.35, 11.25]]]]}, "2012-05-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[100.75, 11.5], [100.97, 12.03], [101.38, 12.2], [101.25, 12.5], [101.47, 13.03], [102.0, 13.25], [102.25, 13.15], [102.5, 13.25], [103.03, 13.03], [103.25, 12.5], [103.15, 12.25], [103.25, 12.0], [103.15, 11.75], [103.18, 11.68], [103.25, 11.65], [103.5, 11.75], [104.03, 11.53], [104.25, 11.0], [104.04, 10.5], [104.25, 10.0], [104.15, 9.75], [104.25, 9.5], [104.15, 9.25], [104.25, 9.0], [104.03, 8.47], [103.5, 8.25], [102.97, 8.47], [102.82, 8.82], [102.47, 8.97], [102.32, 9.32], [101.97, 9.47], [101.82, 9.82], [101.47, 9.97], [101.25, 10.5], [101.35, 10.75], [101.32, 10.82], [100.97, 10.97], [100.75, 11.5]]]]}, "2012-05-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[99.97, 11.53], [100.32, 11.68], [100.47, 12.03], [101.0, 12.25], [101.25, 12.15], [101.38, 12.2], [101.25, 12.5], [101.47, 13.03], [102.0, 13.25], [102.25, 13.15], [102.5, 13.25], [103.03, 13.03], [103.25, 12.5], [103.15, 12.25], [103.25, 12.0], [103.15, 11.75], [103.18, 11.68], [103.25, 11.65], [103.5, 11.75], [104.03, 11.53], [104.25, 11.0], [104.04, 10.5], [104.25, 10.0], [104.15, 9.75], [104.25, 9.5], [104.03, 8.97], [103.5, 8.75], [103.25, 8.85], [103.0, 8.75], [102.47, 8.97], [102.32, 9.32], [101.97, 9.47], [101.82, 9.82], [101.47, 9.97], [101.32, 10.32], [101.25, 10.35], [101.18, 10.32], [101.03, 9.97], [100.5, 9.75], [99.97, 9.97], [99.75, 10.5], [99.85, 10.75], [99.75, 11.0], [99.97, 11.53]]]]}, "2012-05-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[99.97, 11.53], [100.32, 11.68], [100.47, 12.03], [101.0, 12.25], [101.25, 12.15], [101.5, 12.25], [101.75, 12.15], [101.82, 12.18], [101.97, 12.53], [102.5, 12.75], [103.03, 12.53], [103.25, 12.0], [103.15, 11.75], [103.18, 11.68], [103.25, 11.65], [103.5, 11.75], 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"Mean t2m anomaly over entire duration", "value": -1.0131607517630734}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.007694920487552, 27.149235257702628, 26.973356850291566, 26.791860643785014, 27.180004383484743, 27.514930920113898]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [25.38359434940918, 25.887043237504997, 25.83363010563147, 25.462870681979553, 26.566875941532203, 27.45417649462638]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-1.0067713955305493, -0.8620322292391873, -0.9981560690960213, -1.2414467686058277, -0.9060799338725041, -0.7520566140766277]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-1.6362889691754958, -1.1055007659218745, -1.2719901234224267, -1.7446012751585727, -1.0486586126842212, -0.803312100049709]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.566852634333189, -1.3875599986667955, -1.5834728171764119, -2.024178648597539, -1.495356637447126, -1.3310926649681154]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-2.1287316999234225, -1.4903145017310113, -1.9188290492277313, -2.6042929309396206, -1.727318866443313, -1.3995715641817958]}}