{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:51:54.871760", "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-May-07_to_2024-May-16_354.0_32.5"}, "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": 2024050001144}, "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 07 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 16 2024"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 10}, "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": 294862.5371523425}, "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": ["Algeria", "Mauritania", "Morocco"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Mediterranean", "Sahara"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Africa"]}, "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": 32.5}, "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": 354.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "354.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 351.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 360.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 25.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 34.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-05-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-8.53, 30.97], [-8.75, 31.5], [-8.53, 32.03], [-8.0, 32.25], [-7.75, 32.15], [-7.68, 32.18], [-7.53, 32.53], [-7.0, 32.75], [-6.75, 32.65], [-6.68, 32.68], [-6.53, 33.03], [-6.0, 33.25], [-5.75, 33.15], [-5.5, 33.25], [-5.25, 33.15], [-5.0, 33.25], [-4.47, 33.03], [-4.25, 32.5], [-4.47, 31.97], [-5.0, 31.75], [-5.25, 31.85], [-5.32, 31.82], [-5.47, 31.47], [-5.82, 31.32], [-5.97, 30.97], [-6.5, 30.75], [-6.75, 30.85], [-7.0, 30.75], [-7.25, 30.85], [-7.5, 30.75], [-7.75, 30.85], [-8.0, 30.75], [-8.53, 30.97]]]]}, "2024-05-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-9.03, 31.53], [-8.68, 31.68], [-8.53, 32.03], [-8.0, 32.25], [-7.75, 32.15], [-7.68, 32.18], [-7.65, 32.25], [-7.75, 32.5], [-7.53, 33.03], [-7.18, 33.18], [-7.03, 33.53], [-6.5, 33.75], [-6.25, 33.65], [-6.18, 33.68], [-6.15, 33.75], [-6.25, 34.0], [-6.03, 34.53], [-5.5, 34.75], [-5.25, 34.65], [-5.0, 34.75], [-4.47, 34.53], [-4.25, 34.0], [-4.47, 33.47], [-4.82, 33.32], [-4.85, 33.25], [-4.82, 33.18], [-4.47, 33.03], [-4.25, 32.5], [-4.47, 31.97], [-5.0, 31.75], [-5.25, 31.85], [-5.32, 31.82], [-5.47, 31.47], [-5.82, 31.32], [-5.97, 30.97], [-6.32, 30.82], [-6.47, 30.47], [-6.82, 30.32], [-6.85, 30.25], [-6.75, 30.0], [-6.85, 29.75], [-6.82, 29.68], [-6.47, 29.53], [-6.25, 29.0], [-6.47, 28.47], [-6.82, 28.32], [-6.97, 27.97], [-7.5, 27.75], [-7.75, 27.85], [-8.0, 27.75], [-8.53, 27.97], [-8.75, 28.5], [-8.54, 29.0], [-8.68, 29.32], [-9.03, 29.47], [-9.25, 30.0], [-9.04, 30.5], [-9.25, 31.0], [-9.03, 31.53]]]]}, "2024-05-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-9.15, 29.75], [-9.25, 30.0], [-9.04, 30.5], [-9.25, 31.0], [-9.03, 31.53], [-8.68, 31.68], [-8.53, 32.03], [-8.0, 32.25], [-7.75, 32.15], [-7.68, 32.18], [-7.65, 32.25], [-7.75, 32.5], [-7.53, 33.03], [-7.18, 33.18], [-7.03, 33.53], [-6.5, 33.75], [-6.25, 33.65], [-6.18, 33.68], [-6.15, 33.75], [-6.25, 34.0], [-6.03, 34.53], [-5.5, 34.75], [-5.25, 34.65], [-5.0, 34.75], [-4.47, 34.53], [-4.25, 34.0], [-4.47, 33.47], [-4.82, 33.32], [-4.85, 33.25], [-4.82, 33.18], [-4.47, 33.03], [-4.25, 32.5], [-4.47, 31.97], [-5.0, 31.75], [-5.25, 31.85], [-5.32, 31.82], [-5.47, 31.47], [-5.82, 31.32], [-5.97, 30.97], [-6.32, 30.82], [-6.47, 30.47], [-6.82, 30.32], [-6.85, 30.25], [-6.75, 30.0], [-6.85, 29.75], [-6.82, 29.68], [-6.47, 29.53], [-6.32, 29.18], [-6.25, 29.15], [-6.0, 29.25], [-5.47, 29.03], [-5.32, 28.68], [-5.25, 28.65], [-5.0, 28.75], [-4.47, 28.53], [-4.25, 28.0], [-4.47, 27.47], [-5.0, 27.25], [-5.25, 27.35], [-5.32, 27.32], [-5.47, 26.97], [-6.0, 26.75], [-6.53, 26.97], [-6.68, 27.32], [-7.0, 27.46], [-7.5, 27.25], [-7.75, 27.35], [-8.0, 27.25], [-8.53, 27.47], [-8.75, 28.0], [-8.65, 28.25], [-8.68, 28.32], [-9.03, 28.47], [-9.25, 29.0], [-9.15, 29.25], [-9.25, 29.5], [-9.15, 29.75]]]]}, "2024-05-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-9.15, 29.75], [-9.25, 30.0], [-9.04, 30.5], [-9.25, 31.0], [-9.03, 31.53], [-8.5, 31.75], [-8.25, 31.65], [-8.18, 31.68], [-8.03, 32.03], [-7.68, 32.18], [-7.65, 32.25], [-7.75, 32.5], [-7.53, 33.03], [-7.18, 33.18], [-7.03, 33.53], [-6.5, 33.75], [-6.25, 33.65], [-6.18, 33.68], [-6.15, 33.75], [-6.25, 34.0], [-6.03, 34.53], [-5.5, 34.75], [-5.25, 34.65], [-5.0, 34.75], [-4.47, 34.53], [-4.25, 34.0], [-4.47, 33.47], [-4.82, 33.32], [-4.85, 33.25], [-4.75, 33.0], [-4.85, 32.75], [-4.75, 32.5], [-4.97, 31.97], [-5.32, 31.82], [-5.47, 31.47], [-5.82, 31.32], [-5.97, 30.97], [-6.32, 30.82], [-6.47, 30.47], [-6.82, 30.32], [-6.85, 30.25], [-6.75, 30.0], [-6.85, 29.75], [-6.82, 29.68], [-6.47, 29.53], [-6.32, 29.18], [-6.25, 29.15], [-6.0, 29.25], [-5.75, 29.15], [-5.5, 29.25], [-5.25, 29.15], [-5.0, 29.25], [-4.75, 29.15], [-4.5, 29.25], [-3.97, 29.03], [-3.75, 28.5], [-3.97, 27.97], [-4.32, 27.82], [-4.47, 27.47], [-4.82, 27.32], [-4.97, 26.97], [-5.5, 26.75], [-5.75, 26.85], [-5.82, 26.82], [-5.85, 26.75], [-5.75, 26.5], [-5.97, 25.97], [-6.32, 25.82], [-6.47, 25.47], [-7.0, 25.25], [-7.53, 25.47], [-7.75, 26.0], [-7.65, 26.25], [-7.75, 26.5], [-7.65, 26.75], [-7.75, 27.0], [-7.65, 27.25], [-7.68, 27.32], [-7.75, 27.35], [-8.0, 27.25], [-8.53, 27.47], [-8.75, 28.0], [-8.65, 28.25], [-8.68, 28.32], [-9.03, 28.47], [-9.25, 29.0], [-9.15, 29.25], [-9.25, 29.5], [-9.15, 29.75]]]]}, "2024-05-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-8.5, 30.25], [-8.25, 30.15], [-8.18, 30.18], [-8.03, 30.53], [-7.5, 30.75], [-6.97, 30.53], [-6.82, 30.18], [-6.7, 30.12], [-6.53, 30.53], [-6.0, 30.75], [-5.75, 30.65], [-5.5, 30.75], [-4.97, 30.53], [-4.82, 30.18], [-4.75, 30.15], [-4.5, 30.25], [-3.97, 30.03], [-3.75, 29.5], [-3.85, 29.25], [-3.75, 29.0], [-3.85, 28.75], [-3.75, 28.5], [-3.97, 27.97], [-4.32, 27.82], [-4.47, 27.47], [-4.82, 27.32], [-4.97, 26.97], [-5.5, 26.75], [-5.75, 26.85], [-5.82, 26.82], [-5.85, 26.75], [-5.75, 26.5], [-5.97, 25.97], [-6.32, 25.82], [-6.47, 25.47], [-7.0, 25.25], [-7.53, 25.47], [-7.75, 26.0], [-7.65, 26.25], [-7.75, 26.5], [-7.65, 26.75], [-7.75, 27.0], [-7.65, 27.25], [-7.68, 27.32], [-7.75, 27.35], [-8.0, 27.25], [-8.53, 27.47], [-8.75, 28.0], [-8.62, 28.3], [-9.03, 28.47], [-9.25, 29.0], [-9.15, 29.25], [-9.25, 29.5], [-9.03, 30.03], [-8.5, 30.25]], [[-6.3, 29.38], [-6.35, 29.25], [-6.32, 29.18], [-6.25, 29.15], [-6.12, 29.2], [-6.18, 29.32], [-6.3, 29.38]]], [[[-6.18, 33.68], [-6.03, 34.03], [-5.68, 34.18], [-5.53, 34.53], [-5.0, 34.75], [-4.47, 34.53], [-4.25, 34.0], [-4.47, 33.47], [-4.82, 33.32], [-4.85, 33.25], [-4.75, 33.0], [-4.97, 32.47], [-5.32, 32.32], [-5.47, 31.97], [-6.0, 31.75], [-6.53, 31.97], [-6.75, 32.5], [-6.65, 32.75], [-6.75, 33.0], [-6.53, 33.53], [-6.18, 33.68]]]]}, "2024-05-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-8.25, 28.0], [-8.03, 28.53], [-7.62, 28.7], [-7.68, 28.82], [-8.03, 28.97], [-8.25, 29.5], [-8.03, 30.03], [-7.5, 30.25], [-7.25, 30.15], [-7.0, 30.25], [-6.7, 30.12], [-6.65, 30.25], [-6.75, 30.5], [-6.53, 31.03], [-6.0, 31.25], [-5.75, 31.15], [-5.68, 31.18], [-5.53, 31.53], [-5.0, 31.75], [-4.75, 31.65], [-4.5, 31.75], [-4.25, 31.65], [-4.0, 31.75], [-3.75, 31.65], [-3.5, 31.75], [-2.97, 31.53], [-2.82, 31.18], [-2.47, 31.03], [-2.25, 30.5], [-2.35, 30.25], [-2.25, 30.0], [-2.35, 29.75], [-2.25, 29.5], [-2.47, 28.97], [-2.82, 28.82], [-2.85, 28.75], [-2.75, 28.5], [-2.97, 27.97], [-3.32, 27.82], [-3.35, 27.75], [-3.25, 27.5], [-3.47, 26.97], [-3.82, 26.82], [-3.97, 26.47], [-4.5, 26.25], [-5.03, 26.47], [-5.2, 26.88], [-5.5, 26.75], [-5.75, 26.85], [-5.82, 26.82], [-5.85, 26.75], [-5.75, 26.5], [-5.97, 25.97], [-6.32, 25.82], [-6.47, 25.47], [-7.0, 25.25], [-7.53, 25.47], [-7.75, 26.0], [-7.65, 26.25], [-7.75, 26.5], [-7.65, 26.75], [-7.75, 27.0], [-7.65, 27.25], [-7.68, 27.32], [-8.03, 27.47], [-8.25, 28.0]], [[-6.32, 29.18], [-6.07, 29.07], [-6.18, 29.32], [-6.3, 29.38], [-6.35, 29.25], [-6.32, 29.18]]]]}, "2024-05-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-7.75, 29.5], [-7.53, 30.03], [-7.0, 30.25], [-6.7, 30.12], [-6.65, 30.25], [-6.75, 30.5], [-6.53, 31.03], [-6.0, 31.25], [-5.75, 31.15], [-5.68, 31.18], [-5.53, 31.53], [-5.0, 31.75], [-4.75, 31.65], [-4.5, 31.75], [-4.25, 31.65], [-4.0, 31.75], [-3.75, 31.65], [-3.5, 31.75], [-2.97, 31.53], [-2.82, 31.18], [-2.75, 31.15], [-2.68, 31.18], [-2.53, 31.53], [-2.0, 31.75], [-1.75, 31.65], [-1.5, 31.75], [-1.25, 31.65], [-1.0, 31.75], [-0.75, 31.65], [-0.5, 31.75], [0.03, 31.53], [0.25, 31.0], [0.03, 30.47], [-0.32, 30.32], [-0.35, 30.25], [-0.25, 30.0], [-0.47, 29.47], [-1.0, 29.25], [-1.25, 29.35], [-1.32, 29.32], [-1.35, 29.25], [-1.25, 29.0], [-1.47, 28.47], [-2.0, 28.25], [-2.53, 28.47], [-2.7, 28.88], [-2.82, 28.82], [-2.85, 28.75], [-2.75, 28.5], [-2.97, 27.97], [-3.32, 27.82], [-3.35, 27.75], [-3.25, 27.5], [-3.47, 26.97], [-3.82, 26.82], [-3.97, 26.47], [-4.5, 26.25], [-5.03, 26.47], [-5.2, 26.88], [-5.5, 26.75], [-5.75, 26.85], [-6.0, 26.75], [-6.53, 26.97], [-6.75, 27.5], [-6.65, 27.75], [-6.68, 27.82], [-7.03, 27.97], [-7.25, 28.5], [-7.12, 28.8], [-7.53, 28.97], [-7.75, 29.5]], [[-6.18, 29.32], [-6.3, 29.38], [-6.37, 29.2], [-6.07, 29.07], [-6.18, 29.32]]]]}, "2024-05-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-6.75, 30.5], [-6.53, 31.03], [-6.0, 31.25], [-5.75, 31.15], [-5.68, 31.18], [-5.53, 31.53], [-5.0, 31.75], [-4.75, 31.65], [-4.5, 31.75], [-4.25, 31.65], [-4.0, 31.75], [-3.75, 31.65], [-3.5, 31.75], [-2.97, 31.53], [-2.82, 31.18], [-2.75, 31.15], [-2.68, 31.18], [-2.53, 31.53], [-2.0, 31.75], [-1.75, 31.65], [-1.5, 31.75], [-1.25, 31.65], [-1.0, 31.75], [-0.75, 31.65], [-0.5, 31.75], [-0.25, 31.65], [0.0, 31.75], [0.53, 31.53], [0.75, 31.0], [0.53, 30.47], [0.13, 30.3], [0.25, 30.0], [0.03, 29.47], [-0.5, 29.25], [-0.75, 29.35], [-0.82, 29.32], [-0.97, 28.97], [-1.32, 28.82], [-1.47, 28.47], [-2.0, 28.25], [-2.53, 28.47], [-2.7, 28.88], [-2.82, 28.82], [-2.85, 28.75], [-2.75, 28.5], [-2.97, 27.97], [-3.32, 27.82], [-3.35, 27.75], [-3.25, 27.5], [-3.47, 26.97], [-3.82, 26.82], [-3.97, 26.47], [-4.5, 26.25], [-5.03, 26.47], [-5.25, 27.0], [-5.15, 27.25], [-5.25, 27.5], [-5.15, 27.75], [-5.25, 28.0], [-5.15, 28.25], [-5.18, 28.32], [-5.53, 28.47], [-5.75, 29.0], [-5.65, 29.25], [-5.68, 29.32], [-6.03, 29.47], [-6.18, 29.82], [-6.53, 29.97], [-6.75, 30.5]]]]}, "2024-05-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-2.68, 31.18], [-2.53, 31.53], [-2.0, 31.75], [-1.75, 31.65], [-1.5, 31.75], [-1.25, 31.65], [-1.0, 31.75], [-0.75, 31.65], [-0.5, 31.75], [-0.25, 31.65], [0.0, 31.75], [0.53, 31.53], [0.75, 31.0], [0.53, 30.47], [0.13, 30.3], [0.25, 30.0], [0.03, 29.47], [-0.5, 29.25], [-0.75, 29.35], [-0.82, 29.32], [-0.97, 28.97], [-1.32, 28.82], [-1.47, 28.47], [-2.0, 28.25], [-2.53, 28.47], [-2.75, 29.0], [-2.65, 29.25], [-2.68, 29.32], [-2.75, 29.35], [-3.0, 29.25], [-3.53, 29.47], [-3.75, 30.0], [-3.53, 30.53], [-3.18, 30.68], [-3.03, 31.03], [-2.68, 31.18]]]]}, "2024-05-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-1.0, 30.75], [-0.75, 30.65], [-0.62, 30.7], [-0.75, 31.0], [-0.53, 31.53], [0.0, 31.75], [0.53, 31.53], [0.75, 31.0], [0.53, 30.47], [0.13, 30.3], [0.25, 30.0], [0.03, 29.47], [-0.5, 29.25], [-0.75, 29.35], [-0.82, 29.32], [-0.97, 28.97], [-1.5, 28.75], [-2.03, 28.97], [-2.25, 29.5], [-2.03, 30.03], [-1.68, 30.18], [-1.53, 30.53], [-1.0, 30.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 7.965329078019749}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 5.700734222465002}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [20.1316695460319, 24.48934258230196, 27.253249591019483, 28.969651527743054, 31.95740526939727, 33.01445426980314, 33.40973722157025, 33.39696108821494, 31.756281713050043, 31.54995929905516]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [25.530680812084654, 33.34578350241128, 33.74472125225731, 34.51939051645007, 34.76257252595025, 34.569670693364685, 35.96430098509023, 35.059016069008806, 32.99108263898535, 32.61728497759674]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [5.56901076102618, 5.997285888141085, 6.144567925858855, 6.1704626501815065, 5.781403874619368, 5.2520354969931144, 5.676770095098108, 5.6394557848226885, 4.5339552227953845, 4.171739544179886]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [6.192873839527294, 7.1735015875100885, 7.66823939058213, 7.790491656039819, 7.965329078019749, 6.4147929822254355, 7.212235060454418, 6.546533202027376, 4.876010767171522, 4.341972508724666]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4414039264543428, 1.527153814423112, 1.5773459330074808, 1.590636468199555, 1.5595160873017648, 1.5136997303490134, 1.7296105483226984, 1.761468670287638, 1.4295779026943647, 1.3300523981548509]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5338090044405326, 1.7628856911993158, 1.8859300286117195, 1.8870007106127706, 1.9645922734748795, 1.6709973271078158, 2.0806832786194027, 2.076701279526706, 1.538864861473152, 1.3465049635361994]}}