Update: Hurricane Isaias later increased its winds to 175 km/h. Check the latest information from the NHC published by CiberCuba.
The hurricane Isaías has intensified, reaching sustained maximum winds of 165 km/h, equivalent to a category 2, and could briefly become a category 3 hurricane during the morning of this Friday, October 9th. The National Hurricane Center (NHC) warns that it will remain a dangerous cyclone as it approaches the northern Gulf Coast.
According to the official bulletin number 10 from the NHC, issued at 03:00 UTC on Friday (11:00 p.m. Thursday in Miami), the center of the hurricane was located about 415 kilometers south of the mouth of the Mississippi River. It was moving northeast at 22 km/h, and its minimum central pressure was estimated to be 969 millibars.
The forecast raises the possibility of a Category 3 hurricane
The meteorological discussion number 10 describes an improved organization of Isaías, with signs in satellite images indicating that it may be forming an eye. Based on the available data, specialists have increased the estimated intensity of the cyclone to 90 knots, approximately 165 km/h.
In the track and intensity forecast, the NHC anticipates a maximum of 100 knots, equivalent to about 115 miles per hour (185 km/h), for 8:00 a.m. on Friday in Miami. That value corresponds to a Category 3 hurricane on the Saffir-Simpson scale.
Category 3 is still a forecast, not an observed intensity. The NHC considers an additional short-term strengthening possible, followed by some weakening due to increased wind shear, meaning variations in speed or direction with altitude. However, a potential downgrade in category would not eliminate the threat of storm surge, heavy rains, and destructive winds.
Wave heights of up to 2.1 meters and risk of flooding
In addition to the wind, one of the main dangers is the rising sea. The public bulletin from the NHC warns that if the maximum surge coincides with high tide, the water could reach between 1.5 and 2.1 meters above ground level at some points along the coast between Dauphin Island, Alabama, and Indian Pass, Florida. Other coastal areas of Mississippi, Alabama, and Florida are also at risk of dangerous flooding.
For southern Alabama, the northwest of Florida—including the regions of the Panhandle and Big Bend—and southwestern Georgia, the NHC forecasts total accumulations of about 100 to 200 millimeters of rain between Friday and the weekend. In isolated areas, totals could reach approximately 380 millimeters, particularly near the boundary between the Panhandle and Big Bend. These rainfall amounts increase the risk of flash flooding, urban flooding, and river flooding.
The possibility of tornadoes is also forecasted from Friday night in parts of Alabama, northwest Florida, and the extreme southwest of Georgia, with a threat that could extend into Saturday.
Warnings for the northern Gulf coast remain in effect
The hurricane warning extends from Ocean Springs, Mississippi, to the boundary between Bay and Gulf counties in Florida. The storm surge warning stretches from the mouth of the Mississippi River to the Suwannee River in Florida. Additionally, there are tropical storm warnings in adjacent areas of Louisiana and Florida. Bulletin number 10 did not introduce any changes to the delineation of these alerts.
The forecast indicates that the center of Isaías will make landfall within the area under warning between the night of Friday, October 9, and the early hours of Saturday, October 10. Meteorological authorities are urging residents to finalize preparations and obey local evacuation orders, especially in low coastal areas. The effects of the storm could be felt far from the precise point where the eye makes landfall.
From 140 to 165 km/h in the latest advisories
In a previous update, CiberCuba reported the extension of the tropical storm surge advisory in Florida when Isaías had winds of 140 km/h. The new information from advisory number 10 is the increase in observed intensity to 165 km/h and the inclusion of a potential peak of category 3 in the forecast for this Friday.
The positions, intensities, and warning zones may vary in the following updates. The most recent information should be checked directly on the National Hurricane Center and with local emergency management agencies.
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