{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:44:09.015293", "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": "2010-Feb-12_to_2010-Feb-17_150.5_-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": 2010020001551}, "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 12 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 17 2010"}, "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": 141885.83091835893}, "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": ["Papua New Guinea"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Equatorial.Pacific-Ocean"]}, "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": ["Bismarck Sea", "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": -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": 150.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "150.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 148.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 152.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -5.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -1.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-02-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[148.97, -3.47], [149.5, -3.25], [150.03, -3.47], [150.25, -4.0], [150.15, -4.25], [150.18, -4.32], [150.25, -4.35], [150.5, -4.25], [151.03, -4.47], [151.18, -4.82], [151.53, -4.97], [151.75, -5.5], [151.53, -6.03], [151.0, -6.25], [150.75, -6.15], [150.5, -6.25], [150.25, -6.15], [150.0, -6.25], [149.47, -6.03], [149.25, -5.5], [149.35, -5.25], [149.32, -5.18], [148.97, -5.03], [148.75, -4.5], [148.85, -4.25], [148.75, -4.0], [148.97, -3.47]]]]}, "2010-02-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[148.47, -1.47], [149.0, -1.25], [149.25, -1.35], [149.5, -1.25], [150.03, -1.47], [150.18, -1.82], [150.25, -1.85], [150.32, -1.82], [150.47, -1.47], [151.0, -1.25], [151.25, -1.35], [151.5, -1.25], [151.75, -1.35], [152.0, -1.25], [152.25, -1.35], [152.5, -1.25], [153.03, -1.47], [153.25, -2.0], [153.03, -2.53], [152.63, -2.7], [152.68, -2.82], [153.03, -2.97], [153.25, -3.5], [153.03, -4.03], [152.68, -4.18], [152.65, -4.25], [152.75, -4.5], [152.53, -5.03], [152.0, -5.25], [151.7, -5.13], [151.65, -5.25], [151.75, -5.5], [151.53, -6.03], [151.0, -6.25], [150.75, -6.15], [150.5, -6.25], [150.25, -6.15], [150.0, -6.25], [149.47, -6.03], [149.32, -5.68], [148.97, -5.53], [148.75, -5.0], [148.85, -4.75], [148.75, -4.5], [148.85, -4.25], [148.75, -4.0], [148.85, -3.75], [148.75, -3.5], [148.85, -3.25], [148.82, -3.18], [148.47, -3.03], [148.25, -2.5], [148.35, -2.25], [148.25, -2.0], [148.47, -1.47]]]]}, "2010-02-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[147.75, -2.0], [147.97, -1.47], [148.5, -1.25], [148.75, -1.35], [149.0, -1.25], [149.25, -1.35], [149.5, -1.25], [149.75, -1.35], [150.0, -1.25], [150.5, -1.46], [151.0, -1.25], [151.25, -1.35], [151.5, -1.25], [151.75, -1.35], [152.0, -1.25], [152.25, -1.35], [152.5, -1.25], [153.03, -1.47], [153.25, -2.0], [153.03, -2.53], [152.63, -2.7], [152.68, -2.82], [153.03, -2.97], [153.25, -3.5], [153.03, -4.03], [152.68, -4.18], [152.65, -4.25], [152.75, -4.5], [152.53, -5.03], [152.0, -5.25], [151.7, -5.13], [151.65, -5.25], [151.75, -5.5], [151.53, -6.03], [151.0, -6.25], [150.75, -6.15], [150.5, -6.25], [150.25, -6.15], [150.0, -6.25], [149.75, -6.15], [149.5, -6.25], [148.97, -6.03], [148.75, -5.5], [148.85, -5.25], [148.75, -5.0], [148.85, -4.75], [148.75, -4.5], [148.85, -4.25], [148.75, -4.0], [148.85, -3.75], [148.75, -3.5], [148.85, -3.25], [148.82, -3.18], [148.47, -3.03], [148.32, -2.68], [147.97, -2.53], [147.75, -2.0]]]]}, "2010-02-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[147.75, -2.0], [147.97, -1.47], [148.5, -1.25], [148.75, -1.35], [149.0, -1.25], [149.25, -1.35], [149.5, -1.25], [149.75, -1.35], [150.0, -1.25], [150.5, -1.46], [151.0, -1.25], [151.25, -1.35], [151.5, -1.25], [151.75, -1.35], [152.0, -1.25], [152.25, -1.35], [152.5, -1.25], [153.03, -1.47], [153.25, -2.0], [153.03, -2.53], [152.63, -2.7], [152.68, -2.82], [153.03, -2.97], [153.25, -3.5], [153.03, -4.03], [152.68, -4.18], [152.65, -4.25], [152.75, -4.5], [152.53, -5.03], [152.13, -5.2], [152.25, -5.5], [152.03, -6.03], [151.5, -6.25], [151.25, -6.15], [151.0, -6.25], [150.75, -6.15], [150.5, -6.25], [150.25, -6.15], [150.0, -6.25], [149.75, -6.15], [149.5, -6.25], [148.97, -6.03], [148.75, -5.5], [148.85, -5.25], [148.75, -5.0], [148.85, -4.75], [148.75, -4.5], [148.85, -4.25], [148.75, -4.0], [148.85, -3.75], [148.75, -3.5], [148.85, -3.25], [148.82, -3.18], [148.47, -3.03], [148.32, -2.68], [147.97, -2.53], [147.75, -2.0]]]]}, "2010-02-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[147.75, -2.0], [147.97, -1.47], [148.5, -1.25], [148.75, -1.35], [149.0, -1.25], [149.25, -1.35], [149.5, -1.25], [149.75, -1.35], [150.0, -1.25], [150.53, -1.47], [150.75, -2.0], [150.65, -2.25], [150.75, -2.5], [150.65, -2.75], [150.75, -3.0], [150.65, -3.25], [150.75, -3.5], [150.65, -3.75], [150.75, -4.0], [150.53, -4.53], [150.18, -4.68], [150.15, -4.75], [150.18, -4.82], [150.25, -4.85], [150.5, -4.75], [150.75, -4.85], [151.0, -4.75], [151.25, -4.85], [151.5, -4.75], [152.03, -4.97], [152.25, -5.5], [152.03, -6.03], [151.5, -6.25], [151.25, -6.15], [151.0, -6.25], [150.75, -6.15], [150.5, -6.25], [150.25, -6.15], [150.0, -6.25], [149.75, -6.15], [149.5, -6.25], [148.97, -6.03], [148.75, -5.5], [148.85, -5.25], [148.75, -5.0], [148.85, -4.75], [148.75, -4.5], [148.85, -4.25], [148.75, -4.0], [148.85, -3.75], [148.75, -3.5], [148.85, -3.25], [148.82, -3.18], [148.47, -3.03], [148.32, -2.68], [147.97, -2.53], [147.75, -2.0]]]]}, "2010-02-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[151.5, -4.75], [152.03, -4.97], [152.25, -5.5], [152.03, -6.03], [151.5, -6.25], [150.97, -6.03], [150.75, -5.5], [150.97, -4.97], [151.5, -4.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.7768686471054025}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.1446023866350312}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.993044741353685, 27.963202768643725, 28.18001532344067, 28.08539848435612, 27.782133188754585, 23.813179433473636]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.110338469787052, 28.43828998295379, 28.66167523031521, 28.928652930243118, 28.724734806834704, 23.813179433473636]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.8848833396007275, 1.0216547270841763, 1.2295109986593755, 1.2355991143575644, 1.105199522808715, 0.9077576772053817]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [0.952653994130003, 1.29556724703059, 1.5386679111667263, 1.7768686471054025, 1.41098985248982, 0.9077576772053817]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5714984937412064, 1.701495460356584, 2.010271104208163, 2.1047675367250864, 1.897931387001464, 1.7644835240147556]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6816464857156, 2.130632151277962, 2.473644092372897, 2.914923577491423, 2.3260534314199988, 1.7644835240147556]}}