{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:10:26.052709", "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": "2026-Feb-05_to_2026-Feb-10_306.5_5.5"}, "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": 2026020001332}, "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": "February 05 2026"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 10 2026"}, "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": "Heat wave"}, "area": {"name": "Area", "description": "The area (in square meters) encompassing all grid points under the influence of an event during its lifetime.", "value": 98565.73400075414}, "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": ["French Guiana", "Guyana", "Suriname"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["America", "America", "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": ["Atlantic Ocean"]}, "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": 5.5}, "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": 306.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "306.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 302.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 307.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 3.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 6.25}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-53.5, 6.25], [-52.97, 6.03], [-52.82, 5.68], [-52.47, 5.53], [-52.25, 5.0], [-52.35, 4.75], [-52.25, 4.5], [-52.47, 3.97], [-53.0, 3.75], [-53.25, 3.85], [-53.5, 3.75], [-53.75, 3.85], [-53.82, 3.82], [-53.85, 3.75], [-53.75, 3.5], [-53.97, 2.97], [-54.5, 2.75], [-54.75, 2.85], [-55.0, 2.75], [-55.25, 2.85], [-55.5, 2.75], [-56.03, 2.97], [-56.18, 3.32], [-56.53, 3.47], [-56.7, 3.88], [-57.0, 3.75], [-57.53, 3.97], [-57.68, 4.32], [-58.03, 4.47], [-58.25, 5.0], [-58.03, 5.53], [-57.5, 5.75], [-57.0, 5.54], [-56.68, 5.68], [-56.53, 6.03], [-56.0, 6.25], [-55.75, 6.15], [-55.68, 6.18], [-55.53, 6.53], [-55.0, 6.75], [-54.75, 6.65], [-54.5, 6.75], [-53.97, 6.53], [-53.82, 6.18], [-53.75, 6.15], [-53.5, 6.25]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.South-America"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2026-02-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-56.75, 5.0], [-56.52999999999997, 5.53], [-56.0, 5.75], 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"description": "Mean t2m anomaly over entire duration", "value": 1.2251367989069422}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.532127719455275, 26.620105743408203, 26.511095392136383, 26.802733480802146, 26.728198644166355, 26.569021751767195]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.912151590983115, 27.30881017049154, 27.06305084228518, 27.568069712321005, 27.547350819905603, 27.408990478515648]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.1829223727290392, 1.2062397702570025, 1.0843139872035241, 1.3772823330431687, 1.3058690631421102, 1.1090376654042953]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.4844732691233276, 1.636734798134455, 1.4488974412917628, 1.8252496030246448, 1.8494707582296428, 1.6384413014177994]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5793875618401785, 1.622613231090654, 1.4716916439832313, 1.8261104534746895, 1.7208855361019004, 1.485207218106446]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.035673201622188, 1.9930485550546382, 2.014868472081809, 2.5649339091517063, 2.1102463719848203, 1.9067541857021966]}}