{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:54:37.511802", "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": "2025-Feb-10_to_2025-Feb-17_278.0_-3.0"}, "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": 2025020001138}, "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 10 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 17 2025"}, "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": "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": 144695.58748421614}, "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": ["Peru"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.W.South-America"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["South 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": ["South Pacific 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": -3.0}, "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": 278.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "278.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 276.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 280.25}, "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": -1.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2025-02-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-83.15, -2.25], [-83.25, -2.0], [-83.03, -1.47], [-82.5, -1.25], [-82.25, -1.35], [-82.0, -1.25], [-81.47, -1.47], [-81.25, -2.0], [-81.35, -2.25], [-81.25, -2.5], [-81.35, -2.75], [-81.32, -2.82], [-80.97, -2.97], [-80.75, -3.5], [-80.97, -4.03], [-81.32, -4.18], [-81.47, -4.53], [-82.0, -4.75], [-82.53, -4.53], [-82.75, -4.0], [-82.65, -3.75], [-82.68, -3.68], [-83.03, -3.53], [-83.25, -3.0], [-83.15, -2.75], [-83.25, -2.5], [-83.15, -2.25]]]]}, "2025-02-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-83.53, -1.97], [-83.18, -1.82], [-83.03, -1.47], [-82.5, -1.25], [-82.25, -1.35], [-82.0, -1.25], [-81.47, -1.47], [-81.25, -2.0], [-81.35, -2.25], [-81.32, -2.32], [-80.97, -2.47], [-80.75, -3.0], [-80.85, -3.25], [-80.75, -3.5], [-80.85, -3.75], [-80.75, -4.0], [-80.97, -4.53], [-81.32, -4.68], [-81.35, -4.75], [-81.25, -5.0], [-81.47, -5.53], [-82.0, -5.75], [-82.53, -5.53], [-82.68, -5.18], [-83.03, -5.03], [-83.25, -4.5], [-83.15, -4.25], [-83.25, -4.0], [-83.15, -3.75], [-83.18, -3.68], [-83.53, -3.53], [-83.75, -3.0], [-83.65, -2.75], [-83.75, -2.5], [-83.53, -1.97]]]]}, "2025-02-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-83.65, -2.75], [-83.75, -2.5], [-83.53, -1.97], [-83.18, -1.82], [-83.03, -1.47], [-82.5, -1.25], [-82.25, -1.35], [-82.18, -1.32], [-82.03, -0.97], [-81.5, -0.75], [-80.97, -0.97], [-80.75, -1.5], [-80.85, -1.75], [-80.75, -2.0], [-80.85, -2.25], [-80.75, -2.5], [-80.85, -2.75], [-80.82, -2.82], [-80.47, -2.97], [-80.25, -3.5], [-80.47, -4.03], [-80.82, -4.18], [-80.85, -4.25], [-80.82, -4.32], [-80.47, -4.47], [-80.32, -4.82], [-79.97, -4.97], [-79.82, -5.32], [-79.47, -5.47], [-79.25, -6.0], [-79.47, -6.53], [-80.0, -6.75], [-80.25, -6.65], [-80.5, -6.75], [-80.75, -6.65], [-80.87, -6.7], [-80.75, -7.0], [-80.97, -7.53], [-81.32, -7.68], [-81.35, -7.75], [-81.25, -8.0], [-81.35, -8.25], [-81.25, -8.5], [-81.47, -9.03], [-82.0, -9.25], [-82.25, -9.15], [-82.5, -9.25], [-83.03, -9.03], [-83.25, -8.5], [-83.15, -8.25], [-83.25, -8.0], [-83.15, -7.75], [-83.25, -7.5], [-83.03, -6.97], [-82.68, -6.82], [-82.54, -6.5], [-82.75, -6.0], [-82.65, -5.75], [-82.68, -5.68], [-83.03, -5.53], [-83.25, -5.0], [-83.15, -4.75], [-83.25, -4.5], [-83.15, -4.25], [-83.18, -4.18], [-83.53, -4.03], [-83.75, -3.5], [-83.65, -3.25], [-83.75, -3.0], [-83.65, -2.75]]]]}, "2025-02-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-83.65, -2.75], [-83.75, -2.5], [-83.53, -1.97], [-83.18, -1.82], [-83.03, -1.47], [-82.5, -1.25], [-82.25, -1.35], [-82.18, -1.32], [-82.03, -0.97], [-81.5, -0.75], [-80.97, -0.97], [-80.75, -1.5], [-80.85, -1.75], [-80.75, -2.0], [-80.85, -2.25], [-80.75, -2.5], [-80.85, -2.75], [-80.82, -2.82], [-80.47, -2.97], [-80.25, -3.5], [-80.47, -4.03], [-80.82, -4.18], [-80.85, -4.25], [-80.82, -4.32], [-80.47, -4.47], [-80.32, -4.82], [-80.25, -4.85], [-80.0, -4.75], [-79.47, -4.97], [-79.25, -5.5], [-79.35, -5.75], [-79.25, -6.0], [-79.47, -6.53], [-80.0, -6.75], [-80.25, -6.65], [-80.5, -6.75], [-80.75, -6.65], [-80.82, -6.68], [-80.85, -6.75], [-80.75, -7.0], [-80.97, -7.53], [-81.32, -7.68], [-81.35, -7.75], [-81.25, -8.0], [-81.35, -8.25], [-81.25, -8.5], [-81.47, -9.03], [-82.0, -9.25], [-82.25, -9.15], [-82.5, -9.25], [-83.03, -9.03], [-83.25, -8.5], [-83.15, -8.25], [-83.25, -8.0], [-83.15, -7.75], [-83.25, -7.5], [-83.03, -6.97], [-82.68, -6.82], [-82.65, -6.75], [-82.75, -6.5], [-82.65, -6.25], [-82.75, -6.0], [-82.65, -5.75], [-82.68, -5.68], [-83.03, -5.53], [-83.25, -5.0], [-83.15, -4.75], [-83.25, -4.5], [-83.15, -4.25], [-83.18, -4.18], [-83.53, -4.03], [-83.75, -3.5], [-83.65, -3.25], [-83.75, -3.0], [-83.65, -2.75]]]]}, "2025-02-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-83.75, -3.5], [-83.53, -2.97], [-83.18, -2.82], [-83.15, -2.75], [-83.25, -2.5], [-83.03, -1.97], [-82.68, -1.82], [-82.53, -1.47], [-82.18, -1.32], [-82.03, -0.97], [-81.5, -0.75], [-80.97, -0.97], [-80.75, -1.5], [-80.85, -1.75], [-80.75, -2.0], [-80.85, -2.25], [-80.75, -2.5], [-80.85, -2.75], [-80.82, -2.82], [-80.47, -2.97], [-80.25, -3.5], [-80.47, -4.03], [-80.82, -4.18], [-80.85, -4.25], [-80.82, -4.32], [-80.47, -4.47], [-80.32, -4.82], [-80.25, -4.85], [-80.0, -4.75], [-79.47, -4.97], [-79.25, -5.5], [-79.35, -5.75], [-79.25, -6.0], [-79.47, -6.53], [-80.0, -6.75], [-80.25, -6.65], [-80.5, -6.75], [-80.75, -6.65], [-80.82, -6.68], [-80.85, -6.75], [-80.75, -7.0], [-80.97, -7.53], [-81.32, -7.68], [-81.35, -7.75], [-81.25, -8.0], [-81.35, -8.25], [-81.25, -8.5], [-81.47, -9.03], [-82.0, -9.25], [-82.25, -9.15], [-82.5, -9.25], [-83.03, -9.03], [-83.25, -8.5], [-83.15, -8.25], [-83.25, -8.0], [-83.15, -7.75], [-83.25, -7.5], [-83.03, -6.97], [-82.68, -6.82], [-82.65, -6.75], [-82.75, -6.5], [-82.65, -6.25], [-82.75, -6.0], [-82.65, -5.75], [-82.68, -5.68], [-83.03, -5.53], [-83.25, -5.0], [-83.15, -4.75], [-83.25, -4.5], [-83.15, -4.25], [-83.18, -4.18], [-83.53, -4.03], [-83.75, -3.5]]]]}, "2025-02-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-83.75, -3.5], [-83.53, -2.97], [-83.18, -2.82], [-83.03, -2.47], [-82.5, -2.25], [-82.25, -2.35], [-82.0, -2.25], [-81.75, -2.35], [-81.5, -2.25], [-80.97, -2.47], [-80.82, -2.82], [-80.47, -2.97], [-80.25, -3.5], [-80.47, -4.03], [-80.82, -4.18], [-80.85, -4.25], [-80.82, -4.32], [-80.47, -4.47], [-80.32, -4.82], [-80.25, -4.85], [-80.0, -4.75], [-79.47, -4.97], [-79.25, -5.5], [-79.35, -5.75], [-79.25, -6.0], [-79.47, -6.53], [-80.0, -6.75], [-80.53, -6.53], [-80.68, -6.18], [-80.75, -6.15], [-80.82, -6.18], [-80.85, -6.25], [-80.75, -6.5], [-80.85, -6.75], [-80.75, -7.0], [-80.97, -7.53], [-81.32, -7.68], [-81.35, -7.75], [-81.25, -8.0], [-81.35, -8.25], [-81.25, -8.5], [-81.47, -9.03], [-82.0, -9.25], [-82.53, -9.03], [-82.68, -8.68], [-83.03, -8.53], [-83.25, -8.0], [-83.15, -7.75], [-83.25, -7.5], [-83.03, -6.97], [-82.68, -6.82], [-82.65, -6.75], [-82.75, -6.5], [-82.65, -6.25], [-82.75, -6.0], [-82.65, -5.75], [-82.68, -5.68], [-83.03, -5.53], [-83.25, -5.0], [-83.15, -4.75], [-83.25, -4.5], [-83.15, -4.25], [-83.18, -4.18], [-83.53, -4.03], [-83.75, -3.5]]]]}, "2025-02-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-81.0, -4.25], [-80.47, -4.47], [-80.32, -4.82], [-79.97, -4.97], [-79.75, -5.5], [-79.97, -6.03], [-80.5, -6.25], [-80.75, -6.15], [-81.0, -6.25], [-81.53, -6.03], [-81.75, -5.5], [-81.65, -5.25], [-81.75, -5.0], [-81.53, -4.47], [-81.0, -4.25]]], [[[-82.25, -2.35], [-82.0, -2.25], [-81.75, -2.35], [-81.5, -2.25], [-80.97, -2.47], [-80.75, -3.0], [-80.97, -3.53], [-81.5, -3.75], [-81.75, -3.65], [-81.82, -3.68], [-81.96, -4.0], [-81.75, -4.5], [-81.97, -5.03], [-82.5, -5.25], [-83.03, -5.03], [-83.25, -4.5], [-83.12, -4.2], [-83.53, -4.03], [-83.75, -3.5], [-83.53, -2.97], [-83.18, -2.82], [-83.03, -2.47], [-82.5, -2.25], [-82.25, -2.35]]]]}, "2025-02-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-81.53, -6.03], [-81.75, -5.5], [-81.53, -4.97], [-81.0, -4.75], [-80.75, -4.85], [-80.5, -4.75], [-79.97, -4.97], [-79.75, -5.5], [-79.97, -6.03], [-80.5, -6.25], [-80.75, -6.15], [-81.0, -6.25], [-81.53, -6.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.5100083261179407}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.5670103310190038}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.0809479890047, 26.02415124398692, 26.526223573230595, 26.488958751291477, 26.316026601865303, 26.124313972109803, 26.254792361789328, 26.165583546956384]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.332503255208337, 26.37407709757491, 30.296783701578818, 29.533394114176474, 28.752587890625023, 28.385032908121786, 27.691424306233728, 27.812556203206384]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.5075854133684996, 1.5355335525480251, 1.731444682837567, 1.6909091848125597, 1.4887809784433403, 1.430544853197765, 1.2794617238802997, 1.1789641156160826]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.6562126233426966, 1.8435092167543985, 3.5100083261179407, 2.7132807258166167, 2.0078428211022015, 1.7945516796402785, 1.5696289265502514, 1.189294133447504]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4142659521189611, 1.4249778340641204, 1.7378229508579368, 1.7105580979980877, 1.5103779922465506, 1.4377473834797652, 1.2778387991852485, 1.240647234309085]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5580383037595738, 1.7760417150382821, 3.537221222759702, 2.722236813003642, 2.0339352755098834, 2.0153121149715783, 1.4615180419302638, 1.3300927739038155]}}