{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:59:42.643558", "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-Jul-14_to_2024-Jul-20_317.5_-5.0"}, "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": 2024070000476}, "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 14 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 20 2024"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 7}, "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": 110821.5422904903}, "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": ["Brazil"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["America"]}, "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": -5.0}, "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": 317.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "317.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 316.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 319.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -7.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -3.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-43.75, -3.85], [-43.68, -3.82], [-43.53, -3.47], [-43.0, -3.25], [-42.75, -3.35], [-42.68, -3.32], [-42.53, -2.97], [-42.0, -2.75], [-41.75, -2.85], [-41.5, -2.75], [-41.25, -2.85], [-41.0, -2.75], [-40.47, -2.97], [-40.25, -3.5], [-40.46, -4.0], [-40.25, -4.5], [-40.35, -4.75], [-40.25, -5.0], [-40.47, -5.53], [-40.82, -5.68], [-40.85, -5.75], [-40.75, -6.0], [-40.97, -6.53], [-41.32, -6.68], [-41.47, -7.03], [-42.0, -7.25], [-42.25, -7.15], [-42.32, -7.18], [-42.47, -7.53], [-43.0, -7.75], [-43.53, -7.53], [-43.68, -7.18], [-44.03, -7.03], [-44.25, -6.5], [-44.15, -6.25], [-44.18, -6.18], [-44.53, -6.03], [-44.75, -5.5], [-44.54, -5.0], [-44.75, -4.5], [-44.53, -3.97], [-44.0, -3.75], [-43.75, -3.85]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.E.South-America"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-07-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-44.25, -6.0], [-44.14999999999998, -5.75], [-44.25, -5.5], 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{"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.258084509431512, 26.13517378238737, 26.0716098780631, 25.855245040454236, 26.347832511713648, 26.544120748860564, 27.22703792312467]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [25.40213043965133, 25.017326176693928, 23.686711021042527, 23.48561049374007, 23.334386089280486, 23.669234427598383, 27.22703792312467]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-1.685034550411762, -1.7131660817597594, -1.6456909227254704, -1.8941239746178358, -1.4782008565013107, -1.5312411052613963, -1.4713599363108187]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-2.0424581951787673, -2.2256836074288913, -2.362603526141413, -2.657068414027549, -2.5223919158842136, -2.2559965705775653, -1.4713599363108187]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.6478852955753707, -1.7829571790804184, -1.7278389885153704, -2.0528583893308987, -1.5918579848215002, -1.4621810341884833, -1.4331231930027475]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-1.9741610841354067, -2.040400062728243, -2.294121029074528, -2.824705551861651, -2.458607817027885, -2.1735493063972897, -1.4331231930027475]}}