Nº 1001 · THURSDAY 2026-10-01 · 09:00Z
The Atmosphere Today
No. 1001 · Thursday, October 1, 2026
SINCE YESTERDAYVALENCIA — A RED RAIN WARNING ON THE COAST TONIGHT · INTENSIFIED→CENTRAL THAILAND — THE FLOOD CREST REACHES NAKHON SAWAN · INTENSIFIED→245 MI S OF CABO SAN LUCAS — HURRICANE RACHEL REACHES 100 MPH · INTENSIFIED→THE CENTRAL PLAINS TO TEXAS — A MODERATE FLOOD RISK FOR TWO DAYS · HELD→THE NORTHERN MARIANAS — TROPICAL STORM CHOI-WAN NEARS SAIPAN · NEW→160 MI SSE OF FRENCH FRIGATE SHOALS — TROPICAL STORM NOLO · WEAKENED→THE SAUDI SOUTH-WEST — FLASH FLOODS AND HAIL THROUGH FRIDAY · INTENSIFIED→NIGERIA — A HIGH FLOOD RISK IN 17 STATES THROUGH SUNDAY · INTENSIFIED→ECUADOR AND COLOMBIA — PACIFIC RIVERS OVER THEIR BANKS · INTENSIFIED→THE RHINE AT KAUB — THE GAUGE FALLS BELOW ZERO · INTENSIFIED→THE IZU ISLANDS — SURIGAE BRUSHES PAST AND TURNS EXTRATROPICAL · WEAKENED→SAO PAULO AND MINAS GERAIS — STORMS FOLLOW THE BROKEN HEAT · INTENSIFIED→SOUTH-CENTRAL CHILE — A STRONG FRONT ARRIVES FRIDAY · INTENSIFIED→UTTARAKHAND — THE CHAR DHAM PILGRIMAGE PAUSES UNDER HEAVY RAIN · INTENSIFIED→VICTORIA — A FLOOD WATCH FOR 18 WATERWAYS FROM FRIDAY · INTENSIFIED→THE SOUTH ISLAND — RAIN AND WIND WATCHES FOR FRIDAY · INTENSIFIED→SRI LANKA — LANDSLIDE WARNINGS HOLD AT AMBER · INTENSIFIED→ARGENTINA — A WINDY LULL BEFORE FRIDAY'S STORMS · INTENSIFIED→SOUTH AFRICA — A FINE DAY AFTER WEDNESDAY'S STORMS · WEAKENED→LIBYA — THE STORM EPISODE WINDS DOWN · INTENSIFIED→BANGLADESH — THE OLD DEPRESSION FADES AS A LOW · WEAKENED→SOUTH OF SOUTHERN MEXICO — A DEPRESSION LIKELY NEXT WEEK · INTENSIFIED→THE NORTH ATLANTIC · QUIET→
THE LEAD

Valencia's coast goes red tonight, with up to 90 mm an hour.

Classes are cancelled, and up to 160 mm could fall in two hours from 6 PM.

AT THIS HOUROrange from 2 PM, red from 6 PM on the Valencian coastValencia and Castellón go red; orange holds before and after.
WHEN IT ARRIVESRed from 6 PM tonight to 2 AM FridayThe worst falls tonight into Friday morning; Catalonia's orange runs to noon Friday.
WHAT IS ALREADY IN FORCEClasses cancelled; parks and the Turia garden closedEmergency services have been on alert since midnight.

A cut-off low has stalled over eastern Spain, a day after the country's warnings had ended. The whole Valencian coast is under a red rain warning from 6 PM tonight to 2 AM, with up to 90 mm in an hour and 160 mm in two. Valencia has cancelled classes in flood-prone areas and closed its parks, and emergency services have been on alert since midnight.

Read the full story
SINCE YESTERDAY — WHAT MOVED
23 systems moved since yesterday's edition · 9 held steady.
HELD STEADYTHE CENTRAL PLAINS TO TEXAS — A MODERATE FLOOD RISK FOR TWO DAYS · THE CARIBBEAN SEA AND THE GULF — NO STORM IN SIGHT · THE SOUTHERN OCEANS — OFF-SEASON · BRITAIN AND ITALY — FAIR WEATHER · THE AMERICAN WEST — NO RED FLAG WARNINGS · CENTRAL CHINA — NOT CHECKED TODAY: THE NATIONAL WARNING BOARD WAS NOT READ · CENTRAL AMERICA — NOT CHECKED TODAY: THE REGIONAL BOARDS WERE NOT REFRESHED · PAKISTAN — NOT CHECKED TODAY: THE NATIONAL LEDGER WAS NOT REFRESHED · SOUTHERN DALMATIA — NOT CHECKED TODAY: THE NATIONAL WARNING PAGE WAS NOT READ
WHERE IT IS — THE BOARD
CARIBBEAN + GULF — NO ACTIVE SYSTEMCARIBBEAN + GULFSOUTHERN BASINS — OFF-SEASONSOUTHERN BASINSBRITAIN — NO WARNINGSBRITAINVALENCIA — A RED RAIN WARNING ON THE COAST TONIGHT — open the event1↑CENTRAL THAILAND — THE FLOOD CREST REACHES NAKHON SAWAN — open the event2↑245 MI S OF CABO SAN LUCAS — HURRICANE RACHEL REACHES 100 MPH — open the event3↑THE CENTRAL PLAINS TO TEXAS — A MODERATE FLOOD RISK FOR TWO DAYS — open the event4=THE NORTHERN MARIANAS — TROPICAL STORM CHOI-WAN NEARS SAIPAN — open the event5✦160 MI SSE OF FRENCH FRIGATE SHOALS — TROPICAL STORM NOLO — open the event6▽THE SAUDI SOUTH-WEST — FLASH FLOODS AND HAIL THROUGH FRIDAY — open the event7↑NIGERIA — A HIGH FLOOD RISK IN 17 STATES THROUGH SUNDAY — open the event8↑ECUADOR AND COLOMBIA — PACIFIC RIVERS OVER THEIR BANKS — open the event9↑THE RHINE AT KAUB — THE GAUGE FALLS BELOW ZERO — open the event10↑THE IZU ISLANDS — SURIGAE BRUSHES PAST AND TURNS EXTRATROPICAL — open the event11▽SAO PAULO AND MINAS GERAIS — STORMS FOLLOW THE BROKEN HEAT — open the event12↑SOUTH-CENTRAL CHILE — A STRONG FRONT ARRIVES FRIDAY — open the event13↑UTTARAKHAND — THE CHAR DHAM PILGRIMAGE PAUSES UNDER HEAVY RAIN — open the event14↑VICTORIA — A FLOOD WATCH FOR 18 WATERWAYS FROM FRIDAY — open the event15↑THE SOUTH ISLAND — RAIN AND WIND WATCHES FOR FRIDAY — open the event16↑SRI LANKA — LANDSLIDE WARNINGS HOLD AT AMBER — open the event17↑ARGENTINA — A WINDY LULL BEFORE FRIDAY'S STORMS — open the event18↑SOUTH AFRICA — A FINE DAY AFTER WEDNESDAY'S STORMS — open the event19▽LIBYA — THE STORM EPISODE WINDS DOWN — open the event20↑BANGLADESH — THE OLD DEPRESSION FADES AS A LOW — open the event21▽SOUTH OF SOUTHERN MEXICO — A DEPRESSION LIKELY NEXT WEEK — open the event22↑THE NORTH ATLANTIC — HANNA IS GONE, AND STILL NO HURRICANE — open the event23▽
heatsevererain / floodtropicalfire weathersmoke / airdroughtwinterquiet✦new↑escalated▽eased=heldsince yesterday

hemispheric contrast — Two oceans, opposite records — Rachel strengthens toward major off Mexico, while the Atlantic still has no hurricane a week from the latest first-hurricane date on record..

SYSTEMHAZARDPEAKTRENDTOUCHESCONF
1VALENCIA — A RED RAIN WARNING ON THE COAST TONIGHT BUILDINGwater90 mm▲ building4R
The whole Valencian coast is under a red rain warning from 6 PM to 2 AM, with up to 90 mm in an hour
2CENTRAL THAILAND — THE FLOOD CREST REACHES NAKHON SAWAN CRESTINGwater3,010 m³/s▲ cresting4R
The flow at Nakhon Sawan peaks near 3,010 m³/s on Friday as the Chao Phraya Dam releases 2,300 m³/s
3245 MI S OF CABO SAN LUCAS — HURRICANE RACHEL REACHES 100 MPH BUILDINGtropical100 mph▲ building1C
Hurricane Rachel has strengthened to 100 mph and should become a major hurricane within a couple of days as it passes south of Baja California
4THE CENTRAL PLAINS TO TEXAS — A MODERATE FLOOD RISK FOR TWO DAYS ACTIVEwater5+ in► ongoing5C
A moderate flood risk covers the central and southern Plains today, home to about 15.3 million people, and moves onto Texas on Friday
5THE NORTHERN MARIANAS — TROPICAL STORM CHOI-WAN NEARS SAIPAN BUILDINGtropical45 mph▲ building3C
Tropical Storm Choi-wan, at 45 mph, passes north of Tinian and Saipan and could become a typhoon on Friday
6160 MI SSE OF FRENCH FRIGATE SHOALS — TROPICAL STORM NOLO ACTIVEtropical45 mph► ongoing1C
Tropical Storm Nolo, at 45 mph, drifts west-northwest south of the north-western atolls, where a tropical storm warning runs from Nihoa to Maro Reef
7THE SAUDI SOUTH-WEST — FLASH FLOODS AND HAIL THROUGH FRIDAY ACTIVEwater—► ongoing—R
Heavy rain, flash floods and hail continue over Jazan, Asir, Al-Baha and the Makkah highlands through Friday, then ease.
8NIGERIA — A HIGH FLOOD RISK IN 17 STATES THROUGH SUNDAY ACTIVEwater—► ongoing1R
17 states are at high flood risk through Sunday; at least 2 have died in Delta and about 3,500 are displaced in Anambra
9ECUADOR AND COLOMBIA — PACIFIC RIVERS OVER THEIR BANKS ACTIVEwater—► ongoing—R
Eight rivers have overflowed in Ecuador, where the Bulubulu swept away 12 workers and 2 are missing; Colombia has landslide alerts in 371 municipalities
10THE RHINE AT KAUB — THE GAUGE FALLS BELOW ZERO PEAKdrought−5 cm● at peak3C
The Rhine at Kaub reads −5 cm, the first negative reading on record, after 74 days below the barge-loading line
11THE IZU ISLANDS — SURIGAE BRUSHES PAST AND TURNS EXTRATROPICAL EASINGtropical35 kt▼ easing—R
Surigae, down to about 35 kt, brushed the southern Izu Islands overnight with 39 mm in an hour at Hachijojima and no deaths reported
12SAO PAULO AND MINAS GERAIS — STORMS FOLLOW THE BROKEN HEAT ACTIVEsevere100 km/h► ongoing—C
Orange storm warnings cover São Paulo, the Rio de Janeiro area and the Triângulo Mineiro, with gusts to 100 km/h and hail
13SOUTH-CENTRAL CHILE — A STRONG FRONT ARRIVES FRIDAY BUILDINGwater70 km/h▲ building—R
A frontal system arrives on Friday, with gusts near 70 km/h from Coquimbo to Biobío and possible tornadic cells in Los Ríos and Los Lagos.
14UTTARAKHAND — THE CHAR DHAM PILGRIMAGE PAUSES UNDER HEAVY RAIN ACTIVEwater—► ongoing—R
Red and orange rain alerts have suspended the Char Dham pilgrimage in Uttarakhand, as the monsoon's retreat from north-west India slips toward mid-October.
15VICTORIA — A FLOOD WATCH FOR 18 WATERWAYS FROM FRIDAY BUILDINGwater—▲ building—C
A cold front has arrived, and a flood watch covers 18 waterways in Gippsland and north-east and central Victoria, with minor to moderate flooding possible from Friday.
16THE SOUTH ISLAND — RAIN AND WIND WATCHES FOR FRIDAY BUILDINGwater—▲ building—R
Watches cover heavy rain in Fiordland and north-west gusts near 90 km/h in Southland and Otago on Friday.
17SRI LANKA — LANDSLIDE WARNINGS HOLD AT AMBER EASINGwater—▼ easing—R
Amber landslide warnings for 8 districts held to 10 AM today with no return to red.
18ARGENTINA — A WINDY LULL BEFORE FRIDAY'S STORMS EASINGsevere—▼ easing—R
A yellow wind warning covers eastern San Juan and southern La Rioja, with gusts to 100 km/h at elevation; more warnings are signalled for Friday.
19SOUTH AFRICA — A FINE DAY AFTER WEDNESDAY'S STORMS EASINGsevere—▼ easing—R
After Wednesday's storms in the north and damaging winds in the Eastern Cape, today is fine and warm, with isolated showers in the far north.
20LIBYA — THE STORM EPISODE WINDS DOWN EASINGwater—▼ easing—R
The late-September storm episode, which took 3 lives at Wadi Zagar, is winding down
21BANGLADESH — THE OLD DEPRESSION FADES AS A LOW EASINGtropical—▼ easing—R
The former depression is a weakening low over south-east Bangladesh and north-east India, and no new system has formed in the Bay of Bengal.
22SOUTH OF SOUTHERN MEXICO — A DEPRESSION LIKELY NEXT WEEK EMERGINGtropical—▲ emerging—C
A low could form south of southern Mexico late this weekend, with a 70% chance of a tropical depression within seven days
23THE NORTH ATLANTIC — HANNA IS GONE, AND STILL NO HURRICANE NO-SIGNALtropical—— quiet—C
Hanna has become post-tropical, no storm is expected for seven days, and the Atlantic still has no hurricane this year

QUIET — THE CARIBBEAN SEA AND THE GULF · THE SOUTHERN OCEANS · BRITAIN AND ITALY · THE AMERICAN WEST · NOT CHECKED TODAY — CENTRAL CHINA · CENTRAL AMERICA · PAKISTAN · SOUTHERN DALMATIA

■ OPEN THE LIVE MAP →
EVENT · VENUEWHENSHELTERTHE WEATHER THERE
ONGOING
Les Voiles de Saint-TropezPort of Saint-TropezSep 26 – Oct 4open-airThu–SunRain likely Thursday afternoon; breezy, gusts to 35 km/h Saturday · 16–24°C
The Big EEastern States Exposition, West SpringfieldSep 18 – Oct 4open-airThu–SunDry, sun and cloud; breezy, gusts to 35 km/h Friday · 8–27°C
Oktoberfest MunichTheresienwiese, MunichSep 19 – Oct 4open-airThu–SunDry and cloudy · 12–24°C