Nº 1008 · THURSDAY 2026-10-08 · 09:00Z
The Atmosphere Today
No. 1008 · Thursday, October 8, 2026
SINCE YESTERDAYTHE GULF OF MEXICO — HURRICANE ISAIAS · INTENSIFIED→SOUTH-WEST MEXICO — SIMON FORMS · INTENSIFIED→THAILAND — THE TOLL RISES TO 60 AS THE EAST SETS A RECORD · WEAKENED→CENTRAL VIETNAM — HEAVY RAIN PEAKS OVER HUE AND DA NANG · WEAKENED→SENEGAL — NEW RAIN FALLS ON FLOODED GROUND THROUGH OCT 12 · STEADY→WEST OF BAJA CALIFORNIA — RACHEL WEAKENS · INTENSIFIED→CATALONIA — ORANGE FOR WIND AND 4 M WAVES · WEAKENED→TUSCANY — AN ORANGE ALERT FOR STORMS CLOSES SOME SCHOOLS · NEW→THE WESTERN NORTH PACIFIC — KOGUMA HOLDS SHORT OF A TYPHOON · WEAKENED→THE SAUDI SOUTH-WEST — FLASH FLOODS FORECAST THROUGH SATURDAY · INTENSIFIED→SRI LANKA — RED LANDSLIDE WARNINGS IN THE HILL COUNTRY · INTENSIFIED→ARGENTINA — ORANGE FOR STRONG STORMS OVER CORRIENTES · INTENSIFIED→PERU — RED HEAT FOR LIMA AND 19 REGIONS · WEAKENED→HAINAN — UP TO 270 MM OF RAIN FORECAST · INTENSIFIED→THE U.S. GULF COAST — A MODERATE FLOOD RISK FOR SATURDAY · INTENSIFIED→VICTORIA — RIVERS RECEDE · WEAKENED→KENYA — A FLASH-FLOOD WARNING IN THE NORTH-EAST TO OCT 12 · WEAKENED→UPPER PAKISTAN — DRY TODAY · WEAKENED→SOUTH-CENTRAL CHILE — STORMS MOVE INLAND TO THE MOUNTAINS · WEAKENED→SOUTHERN BRAZIL — YELLOW FOR STORMS ACROSS THE SOUTH · WEAKENED→WEST BENGAL — ORANGE ALERTS AS THE MONSOON'S RETREAT HOLDS · INTENSIFIED→THE RHINE AT KAUB — DOWN TO 0 CM · INTENSIFIED→THE KWAZULU-NATAL COAST — YELLOW FOR WIND AS WARNINGS EASE · INTENSIFIED→
THE LEAD

Hurricane Isaias, the Atlantic's first of 2026, ties a 1905 record.

A hurricane warning is up from Mississippi to the Florida Panhandle, with landfall forecast late Friday or early Saturday.

WHAT IS UNUSUALThe latest first Atlantic hurricane on record, tiedHurricane strength came on Oct 8, the same date as in 1905.
AT THIS HOURAn 80 mph hurricane in the central GulfMoving east-north-east at 9 mph; pressure 979 mb.
WHEN IT ARRIVESLandfall late Friday or early SaturdayForecast to strengthen through early Friday, then turn north.
WHO IS EXPOSEDThe central Gulf Coast, Mississippi to the Florida PanhandleUnder hurricane and storm surge warnings, from the Mississippi's mouth to the Steinhatchee River.

Isaias became a hurricane over the Gulf of Mexico early on Oct 8, the first of the Atlantic season, and now holds at 80 mph. That is the date of the latest first hurricane on record, in 1905, so the record is tied, not broken. A hurricane warning runs from Ocean Springs, Mississippi, to the Florida Panhandle, and forecasters expect it to strengthen before coming ashore late Friday or early Saturday.

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SINCE YESTERDAY — WHAT MOVED
23 systems moved since yesterday's edition · 10 held steady.
HELD STEADYSENEGAL — NEW RAIN FALLS ON FLOODED GROUND THROUGH OCT 12 · THE CARIBBEAN SEA — NO STORM IN SIGHT · THE BAY OF BENGAL AND THE ARABIAN SEA — NO CYCLONE OR LOW · THE SOUTHERN OCEANS — OFF-SEASON · THE PHILIPPINES — NO TROPICAL CYCLONE AS THE MONSOON TURNS · BRITAIN — A DRY DAY BEFORE RAIN ARRIVES OVERNIGHT · BANGLADESH — NO FLOOD OR MARINE WARNING · NEW ZEALAND — SETTLED · NIGERIA — NOT CHECKED TODAY: THE FLOOD BULLETIN COULD NOT BE READ · CENTRAL AMERICA — NOT CHECKED TODAY: THE REGIONAL BOARDS WERE NOT REFRESHED
WHERE IT IS — THE BOARD
CARIBBEAN — NO STORM IN SIGHTCARIBBEANBAY OF BENGAL — NO CYCLONEBAY OF BENGALSOUTHERN BASINS — OFF-SEASONSOUTHERN BASINSBRITAIN — NO WARNINGSBRITAINTHE GULF OF MEXICO — HURRICANE ISAIAS, THE SEASON'S FIRST, NEARS THE COAST — open the event1↑SOUTH-WEST MEXICO — SIMON FORMS, FORECAST TO BECOME A MAJOR HURRICANE — open the event2↑THAILAND — THE TOLL RISES TO 60 AS THE EAST SETS A RECORD — open the event3▽CENTRAL VIETNAM — HEAVY RAIN PEAKS OVER HUE AND DA NANG — open the event4▽SENEGAL — NEW RAIN FALLS ON FLOODED GROUND THROUGH OCT 12 — open the event5=WEST OF BAJA CALIFORNIA — RACHEL WEAKENS, AND TURNS TOWARD THE COAST — open the event6↑CATALONIA — ORANGE FOR WIND AND 4 M WAVES — open the event7▽TUSCANY — AN ORANGE ALERT FOR STORMS CLOSES SOME SCHOOLS — open the event8✦THE WESTERN NORTH PACIFIC — KOGUMA HOLDS SHORT OF A TYPHOON — open the event9▽THE SAUDI SOUTH-WEST — FLASH FLOODS FORECAST THROUGH SATURDAY — open the event10↑SRI LANKA — RED LANDSLIDE WARNINGS IN THE HILL COUNTRY — open the event11↑ARGENTINA — ORANGE FOR STRONG STORMS OVER CORRIENTES — open the event12↑PERU — RED HEAT FOR LIMA AND 19 REGIONS — open the event13▽HAINAN — UP TO 270 MM OF RAIN FORECAST — open the event14↑THE U.S. GULF COAST — A MODERATE FLOOD RISK FOR SATURDAY — open the event15↑VICTORIA — RIVERS RECEDE, BUT HEAVY RAIN RETURNS TO GIPPSLAND — open the event16▽KENYA — A FLASH-FLOOD WARNING IN THE NORTH-EAST TO OCT 12 — open the event17▽UPPER PAKISTAN — DRY TODAY, A SECOND WAVE FROM OCT 9 — open the event18▽SOUTH-CENTRAL CHILE — STORMS MOVE INLAND TO THE MOUNTAINS — open the event19▽SOUTHERN BRAZIL — YELLOW FOR STORMS ACROSS THE SOUTH — open the event20▽WEST BENGAL — ORANGE ALERTS AS THE MONSOON'S RETREAT HOLDS — open the event21↑THE RHINE AT KAUB — DOWN TO 0 CM — open the event22↑THE KWAZULU-NATAL COAST — YELLOW FOR WIND AS WARNINGS EASE — open the event23↑
heatsevererain / floodtropicalfire weathersmoke / airdroughtwinterquiet✦new↑escalated▽eased=heldsince yesterday

same hazard class — Two hurricanes aimed at two coasts — Isaias nears the northern Gulf Coast as Simon strengthens toward south-west Mexico.

SYSTEMHAZARDPEAKTRENDTOUCHESCONF
1THE GULF OF MEXICO — HURRICANE ISAIAS, THE SEASON'S FIRST, NEARS THE COAST INTENSIFYINGtropical80 mph▲ intensifying4C
Hurricane Isaias holds at 80 mph in the Gulf, the first Atlantic hurricane of 2026, under a hurricane warning from Ocean Springs to the Florida Panhandle
2SOUTH-WEST MEXICO — SIMON FORMS, FORECAST TO BECOME A MAJOR HURRICANE INTENSIFYINGtropical50 mph▲ intensifying3C
Tropical Storm Simon formed at 50 mph about 190 miles south-south-west of Lázaro Cárdenas and is forecast to strengthen rapidly into a major hurricane by late Friday or early Saturday
3THAILAND — THE TOLL RISES TO 60 AS THE EAST SETS A RECORD ACTIVEwater4.93 m► ongoing3R
60 people have died since Sep 16, and about 1.15 million households in 28 provinces are still flooded
4CENTRAL VIETNAM — HEAVY RAIN PEAKS OVER HUE AND DA NANG PEAKwater600 mm● at peak2R
Rain over Hue and Da Nang is at or near its peak, 150 to 350 mm and locally 500 to 600 mm, on ground already soaked
5SENEGAL — NEW RAIN FALLS ON FLOODED GROUND THROUGH OCT 12 BUILDINGwater142 mm▲ building2R
A new nationwide spell of rain and storms runs from Oct 8 to 12, Dakar included, on ground still flooded from the weekend
6WEST OF BAJA CALIFORNIA — RACHEL WEAKENS, AND TURNS TOWARD THE COAST EASINGtropical70 mph▼ easing1C
Tropical Storm Rachel has weakened to 70 mph about 895 miles west of Baja California and is forecast to turn sharply north-east
7CATALONIA — ORANGE FOR WIND AND 4 M WAVES EASINGsevere90 km/h▼ easing—R
Spain's second Mediterranean episode arrived weaker and further north than forecast: the only orange is in Catalonia, for gusts to 90 km/h and waves to 4 m
8TUSCANY — AN ORANGE ALERT FOR STORMS CLOSES SOME SCHOOLS BUILDINGsevere—▲ building—R
An orange alert for storms covers Tuscany, where some schools and parks are closed, and 11 more regions are on yellow.
9THE WESTERN NORTH PACIFIC — KOGUMA HOLDS SHORT OF A TYPHOON ACTIVEtropical—► ongoing1R
Koguma stays a tropical storm over open water south-south-west of Wake Island, its strengthening now expected around Oct 10 to 11
10THE SAUDI SOUTH-WEST — FLASH FLOODS FORECAST THROUGH SATURDAY ACTIVEwater—► ongoing—R
Heavy rain, hail and flash floods are forecast over Jazan, Asir, Al-Baha, the Makkah highlands and Madinah through Saturday.
11SRI LANKA — RED LANDSLIDE WARNINGS IN THE HILL COUNTRY ACTIVEwater100+ mm► ongoing—R
Red landslide warnings cover Ududumbara, Nildandahinna and Walapane, with amber across five more districts, as more than 100 mm of rain falls.
12ARGENTINA — ORANGE FOR STRONG STORMS OVER CORRIENTES BUILDINGsevere100 mm▲ building1R
Strong storms with gusts above 90 km/h, hail and 40 to 100 mm of rain are forecast over Corrientes, Misiones, northern Santa Fe and Chaco.
13PERU — RED HEAT FOR LIMA AND 19 REGIONS PEAKheat—● at peak—R
A red heat alert covers Lima and 19 regions, with extreme UV, through Friday, and fire risk is extreme in 8 regions.
14HAINAN — UP TO 270 MM OF RAIN FORECAST ACTIVEwater270 mm► ongoing—C
Heavy to torrential rain falls on Hainan through Oct 9, locally 250 to 270 mm in the centre and east of the island.
15THE U.S. GULF COAST — A MODERATE FLOOD RISK FOR SATURDAY BUILDINGwater—▲ building—C
A moderate risk of flooding rain is drawn for Saturday over far southern Alabama and the western Florida Panhandle, the core of Isaias's rain
16VICTORIA — RIVERS RECEDE, BUT HEAVY RAIN RETURNS TO GIPPSLAND EASINGwater150 mm▼ easing—C
The Thomson and Latrobe recede, but a severe weather warning brings heavy rain to Gippsland and the Otways through the weekend, up to 150 mm in places.
17KENYA — A FLASH-FLOOD WARNING IN THE NORTH-EAST TO OCT 12 BUILDINGwater—▲ building—R
Flash floods are possible in Mandera, Wajir, Marsabit, Tana River and Kilifi through Oct 12 as the short rains begin
18UPPER PAKISTAN — DRY TODAY, A SECOND WAVE FROM OCT 9 BUILDINGwater—▲ building—R
Pakistan is dry and hot today; a second westerly wave brings rain from Oct 9 to the upper north, Islamabad and Kashmir.
19SOUTH-CENTRAL CHILE — STORMS MOVE INLAND TO THE MOUNTAINS EASINGsevere—▼ easing—R
Electrical storms over seven regions move inland toward the mountains through Friday, with hail and gusts.
20SOUTHERN BRAZIL — YELLOW FOR STORMS ACROSS THE SOUTH EASINGsevere—▼ easing—R
Yellow storm alerts cover Paraná, Santa Catarina and Rio Grande do Sul, and the coasts of São Paulo and Rio de Janeiro.
21WEST BENGAL — ORANGE ALERTS AS THE MONSOON'S RETREAT HOLDS EASINGwater—▼ easing—C
Orange alerts cover Howrah, Hooghly and the two 24 Parganas, and the monsoon's withdrawal line holds where it was.
22THE RHINE AT KAUB — DOWN TO 0 CM ACTIVEdrought0 cm► ongoing1C
The Kaub gauge slipped to 0 cm from 3 cm, still above the record low of −6 cm on Oct 1.
23THE KWAZULU-NATAL COAST — YELLOW FOR WIND AS WARNINGS EASE EASINGsevere—▼ easing—R
Damaging winds are possible on the KwaZulu-Natal coast, and damaging waves on the Western and Northern Cape coasts today.
·THE NORTH PACIFIC — NOLO TURNS NORTH-EAST AND LOSES ITS TROPICAL CORE EASINGtropical65 mph▼ easing—R
Nolo, a subtropical storm of about 65 mph, recurves north-east over open water toward becoming extratropical

QUIET — THE CARIBBEAN SEA · THE BAY OF BENGAL AND THE ARABIAN SEA · THE SOUTHERN OCEANS · THE PHILIPPINES · BRITAIN · BANGLADESH · NEW ZEALAND · NOT CHECKED TODAY — NIGERIA · CENTRAL AMERICA

■ OPEN THE LIVE MAP →
EVENT · VENUEWHENSHELTERTHE WEATHER THERE
UPCOMING
Bathurst 1000Mount Panorama Circuit · BathurstOct 8–11open-airDry and sunny; gusts to 50 km/h Saturday · 3–24°C
Indonesian Motorcycle Grand PrixPertamina Mandalika International CircuitOct 9–11open-airDry and sunny; breezy, gusts to 45 km/h Friday; hot, feeling like 35°C Saturday · 24–32°C
Singapore Grand PrixMarina Bay Street Circuit · SingaporeOct 9–11open-airA chance of showers Sunday afternoon; hot, feeling like 38°C Friday · 25–33°C
IRONMAN World Championship KonaKailua Pier and Kamakahonu (swim start and finish) · Kailua-Kona, HawaiiSat Oct 10open-airDry, sun and cloud, light winds · 24–26°C
Lisbon MarathonPraça do Comércio (finish), Lisbon · Cascais to LisbonSat Oct 10open-airDry, sun and cloud · 16–24°C
Chicago MarathonGrant Park (start and finish) · ChicagoSun Oct 11open-airDry and sunny · 17–18°C
Wuhan OpenOptics Valley International Tennis Center, Centre Court · WuhanOct 12–18retractableMon–TueDry and sunny · 18–27°C
ONGOING
BarcolanaBarcolana start line, Gulf of TriesteOct 2–11open-airThu–SunA chance of showers Thursday afternoon and evening; gusts to 70 km/h Friday · 14–22°C
Albuquerque International Balloon FiestaBalloon Fiesta Park · Albuquerque, New MexicoOct 3–11open-airThu–SunDry and sunny; gusts to 55 km/h Sunday · 10–27°C
State Fair of TexasFair Park · DallasSep 25 – Oct 18open-airThu–MonDry and sunny; breezy, gusts to 35 km/h Monday · 17–32°C
Shanghai MastersQizhong Forest Sports City Arena, Centre Court · ShanghaiOct 7–18retractableThu–TueDry, sun and cloud · 16–27°C