Tropical threat brewing in Gulf could impact U.S. as a hurricane this weekend. See maps, possible path.
Fuente: CBS News
Tropical Storm Isaias, the Atlantic Basin's ninth named storm of the 2026 hurricane season, was rapidly intensifying in the Gulf of Mexico and was expected to make landfall along the northern U.S. Gulf Coast late Friday or early Saturday. The National Hurricane Center issued hurricane and tropical storm watches for stretches of coastline spanning Louisiana, Mississippi, Alabama, and northern Florida. The storm was forecast to become a hurricane before reaching shore, with sustained winds surpassing the 74 mph threshold required for that classification.
As of Wednesday evening, Isaias carried maximum sustained winds of 65 mph, with tropical-storm-force winds extending up to 60 miles from its center. The storm was projected to track north of Mexico's Yucatan Peninsula before turning toward the U.S. coastline. Hurricane watches were issued from Bay St. Louis, Mississippi, to Indian Pass, Florida, while a storm surge watch covered the stretch from the mouth of the Mississippi River all the way to Yankeetown, Florida, highlighting the broad geographic scope of the threat.
Storm surge posed one of the most serious dangers, with forecasters warning that a roughly 300-mile section of coastline between Ocean Springs, Mississippi, and Indian Pass, Florida, could experience surge levels of up to 7 feet at high tide. Such inundation carries the potential for major flooding of coastal communities. The hurricane center explicitly cautioned residents across Louisiana, Alabama, Mississippi, and northern Florida to closely monitor updates and ensure their hurricane preparedness plans were firmly in place before the storm's arrival.
Rainfall accumulations were expected to be significant across a wide area. The central Gulf Coast, from southeastern Louisiana to the Florida Panhandle, was forecast to receive 3 to 7 inches of rain, with isolated totals reaching as high as 10 inches. The Southeast more broadly, including areas as far north as the Tennessee Valley and the Carolinas, could see between 1 and 5 inches. Some long-range models indicated that the system's moisture could eventually affect the Ohio Valley and Northeast by the middle of the following week.
Florida Governor Ron DeSantis signed an executive order declaring a state of emergency for 25 Florida counties ahead of the storm's arrival, signaling the seriousness with which officials were treating the threat. Isaias also carried the risk of urban flooding and isolated river flooding in addition to the coastal dangers. The storm's development with fewer than two months remaining in the hurricane season, which officially ends on November 30, served as a reminder that the Atlantic hurricane season can remain active well into autumn.
Traducción al japonés
2026年ハリケーンシーズンにおける大西洋の9番目の命名嵐、熱帯暴風雨「イサイアス」はメキシコ湾内で急速に発達しており、金曜日夜から土曜日早朝にかけて米国北部湾岸に上陸する見通しだ。米国立ハリケーンセンターはルイジアナ州、ミシシッピ州、アラバマ州、フロリダ州北部の沿岸各地にハリケーン及び熱帯低気圧警報を発令した。
水曜日夜の時点でイサイアスの最大風速は時速65マイルに達し、暴風雨規模の強風は中心から最大60マイルの範囲に及んでいた。嵐はユカタン半島北部を通過した後、米国沿岸へと向かう見通しだ。高潮警戒区域はミシシッピ川河口からフロリダ州ヤンキータウンまでの広範囲に発令され、脅威の規模の大きさが示された。
最も深刻な危険の一つは高潮であり、ミシシッピ州オーシャンスプリングスからフロリダ州インディアンパスにかけての約300マイルの海岸線では、満潮時に最大7フィートの浸水が生じる恐れがあると気象当局は警告した。ハリケーンセンターは、ルイジアナ、アラバマ、ミシシッピ、フロリダ北部の住民に対し、最新情報を注視しハリケーン対策計画を確認するよう強く呼びかけた。
降雨量も広範囲にわたり相当量が見込まれる。ルイジアナ州南東部からフロリダパンハンドルにかけての湾岸中部では3〜7インチ、局地的には最大10インチに達する恐れがある。テネシーバレーやカロライナ州を含む南東部全体でも1〜5インチの降雨が予測されており、一部の長期予報モデルは翌週中頃までにオハイオバレーや北東部にも影響が及ぶ可能性を示している。
フロリダ州のロン・デサンティス知事は嵐の接近に先立ちフロリダ州25郡に非常事態宣言の行政命令に署名し、当局が脅威を深刻に受け止めていることを示した。イサイアスは沿岸被害に加え、都市部の洪水や局地的な河川氾濫ももたらす恐れがある。11月30日に終了するハリケーンシーズン残り2か月を切っての発生は、大西洋のシーズンが秋まで活発になりうることを改めて示した。
Vocabulario clave
- rapidly intensifyingphrase
A meteorological term describing a storm that is gaining strength very quickly over a short period of time.
和訳: 急速に発達する
The weather service warned that the depression was rapidly intensifying and could reach hurricane strength within 24 hours.
- make landfallphrase
When a storm or hurricane reaches and crosses the coastline from the sea onto land.
和訳: 上陸する
The typhoon was predicted to make landfall near the southern coast just before dawn.
- storm surgenoun
An abnormal rise of water generated by a storm, which can cause coastal flooding well beyond normal tide levels.
和訳: 高潮
Emergency managers urged coastal residents to evacuate before the storm surge inundated low-lying neighborhoods.
- inundationnoun
The overflowing of water onto land that is normally dry; severe flooding.
和訳: 浸水・氾濫
The inundation of riverside farmland caused millions of dollars in agricultural losses.














