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Florence reattained hurricane-status by 12:00 UTC on September 9, with the Hurricane Hunters observing 76 mph (122 km/h) sustained winds at the surface. [ 11 ] [ 14 ] Fueled by sea surface temperatures of 29 to 29.5 °C (84 to 85 °F), Florence rapidly reintensified overnight, and Convective bursts with frequent lightning surrounded the eyewall ...
The hurricane's motion accelerated and shifted northwest by this time, a trajectory it would maintain for several days. [37] Hurricane Florence achieved its initial peak intensity late on September 10 with sustained winds of 140 mph (220 km/h) and a pressure of 940 mbar (hPa; 27.76 inHg).
ECMWF aims to provide accurate medium-range global weather forecasts out to 15 days and seasonal forecasts out to 12 months. [11] Its products are provided to the national weather services of its member states and co-operating states as a complement to their national short-range and climatological activities, and those national states use ECMWF's products for their own national duties, in ...
The predictive power of the European model for global weather patterns remains unequalled. For hurricanes, “King” Euro has the best average track skill over 2021-2023; it also did relatively ...
A camera aboard the International Space Station recorded video of Hurricane Florence on Wednesday morning, when it was about 500 miles offshore.
Also known as spaghetti plots, these models show where a tropical system, such as a hurricane, may go. The more they are clustered together, the higher the confidence in the forecast.
Surface weather analysis of the extratropical remnants of Hurricane Faith over northwestern Europe on September 6, 1966. September 6, 1966 – Hurricane Faith was officially declared extratropical to the north of Scotland, [26] having tracked 13,000 km (8,100 mi) as a tropical cyclone. That day, a pressure of 960 mbar (28 inHg) was reported in ...
It comprises a spectral atmospheric model with a terrain-following vertical coordinate system coupled to a 4D-Var data assimilation system.In 1997 the IFS became the first operational forecasting system to use 4D-Var. [2] Both ECMWF and Météo-France use the IFS to make operational weather forecasts, but using a different configuration and resolution (the Météo-France configuration is ...