Nº 0923 · WEDNESDAY 2026-09-23 · 09:30Z
The Atmosphere Today
No. 0923 · Wednesday, September 23, 2026
SINCE YESTERDAYNORTH ANDHRA PRADESH + SOUTH ODISHA — A DEEP DEPRESSION COMES ASHORE TONIGHT→SOUTH-WEST MEXICO — A HURRICANE THAT PEAKED AT 892 MB SENDS ITS RAIN ASHORE→SOUTH-SOUTH-EAST OF HILO — A DEPRESSION FORECAST TO REACH THE BIG ISLAND AS A HURRICANE→EASTERN JAPAN — THE STORM HAS GONE→NEW MEXICO — A MODERATE FLASH-FLOOD RISK TODAY ON GROUND ALREADY WET→SOUTH-CENTRAL CHILE — A CATEGORY-4 ATMOSPHERIC RIVER PEAKS TODAY→SAUDI ARABIA'S SOUTH-WEST — RED ALERTS ACROSS FOUR REGIONS→SOUTH AFRICA — AN ORANGE LEVEL 5 FOR LARGE HAIL OVER THE KAROO→NIGERIA — A 15-STATE RIVERINE FLOOD ADVISORY RUNS TO SEP 25→CENTRAL AMERICA — GUATEMALA'S RAINY SEASON AT 195→EAST OF LUZON — A NEW DEPRESSION→CENTRAL AND SOUTHERN VIETNAM — A FLOOD WAVE FROM HUE TO LAM DONG→CABO VERDE — A WAVE AT 40 PERCENT→THE SOUTHERN APPALACHIANS — A MARGINAL SEVERE RISK→THE AMERICAN WEST — FIRE PREPAREDNESS EASES TO LEVEL 2→THE RHINE AT KAUB — 11 CM→SICILY — A YELLOW ALERT→SOUTHERN DALMATIA — THE COAST HAS COOLED INTO LATE SEPTEMBER→NEPAL — A LEDGER AT 1→PAKISTAN — A NATIONAL COUNT HELD AT ITS SEP 3 FIGURE→WESTERN AUSTRALIA'S SOUTH-EAST — HAIL AND DAMAGING-WIND WARNINGS→
THE LEAD

A deep depression crosses the south Odisha coast tonight with red-warning rain.

About 8 million people sit inside its tropical-storm-force winds, and the heaviest rain turns inland into Friday.

AT THIS HOURDeep depression near 18.0 N 84.7 E, about 150 km south of Gopalpur, moving about 8 km/hThe morning bulletin places it about 70 km east-south-east of Kalingapatnam and 230 km south-south-west of Puri, with 55-65 km/h gusting 75. Desk reports of the distance to Kalingapatnam differ (70 km and 140 km), so the bulletin's coordinates are the anchor here.
WHEN IT CROSSESTonight, between Visakhapatnam and Gopalpur, then north-north-west inlandThe crossing is forecast for the night of Sep 23. The system then slows near the coast and moves north-north-west toward Chhattisgarh, which is why the red moves inland and west on Thursday and Friday.
WHAT IS ALREADY IN FORCERed for six Odisha districts, a flash-flood red for six in Andhra Pradesh, schools shutRed (more than 20 cm) for Koraput, Gajapati, Ganjam Sep 23-24 and Kalahandi, Nabarangpur, Koraput, Malkangiri Sep 24-25; Andhra Pradesh red for flash floods in six northern districts; yellow for Telangana and Chhattisgarh; 33 response teams deployed. No rainfall total is printed here, because no recorded total had been published.

The coast, the night and the districts were named two days ahead, and tonight is the night. A deep depression sits near 18.0 N 84.7 E this morning, about 150 km south of Gopalpur and 150 km east-north-east of Visakhapatnam, moving at about 8 km/h. Forecasters expect it to cross the coast between Visakhapatnam and Gopalpur tonight, carrying 55 to 65 km/h gusting 75, then slow near the shore and turn north-north-west toward Chhattisgarh. It is not forecast to reach cyclone strength, and the name some outlets have attached to it is not an official one.

The wind is not the number to watch. The rain is. Red warnings, more than 20 cm, cover Koraput, Gajapati and Ganjam through Thursday, then shift west to Kalahandi, Nabarangpur and Malkangiri into Friday: hill districts of the Eastern Ghats, where the rain runs off fast. Across the border, six Andhra districts from Visakhapatnam to Parvathipuram Manyam carry a red warning for flash floods. The cross-agency exposure board puts about 8.0 million people inside tropical-storm-force winds, none inside anything stronger. That sizes the rain-and-wind footprint, not a hurricane.

The coast has already acted. Schools are shut in seven Odisha districts and six in Andhra Pradesh, 33 state disaster-response teams are deployed, and Bangladesh's ports keep a local warning signal No. 3. Tonight, district officers open shelters, railway controllers decide which trains to hold, and grid crews stage for the night crossing. No casualties had been reported when this page was compiled. That is a fact about this morning, not a promise about tomorrow: the red rain runs through Friday. (Handled with care.)

READ THE FULL STORY — NORTH ANDHRA PRADESH + SOUTH ODISHA — A DEEP DEPRESSION COMES ASHORE TONIGHT →
WHERE IT IS — THE BOARD
CARIBBEAN + GULF — NO ACTIVE SYSTEMCARIBBEAN + GULFSOUTHERN BASINS — OFF-SEASONSOUTHERN BASINSNORTH ANDHRA PRADESH + SOUTH ODISHA — A DEEP DEPRESSION COMES ASHORE TONIGHT — open the event1SOUTH-WEST MEXICO — A HURRICANE THAT PEAKED AT 892 MB SENDS ITS RAIN ASHORE — open the event2SOUTH-SOUTH-EAST OF HILO — A DEPRESSION FORECAST TO REACH THE BIG ISLAND AS A HURRICANE — open the event3EASTERN JAPAN — THE STORM HAS GONE, AND THE TOLL ROSE TO NINE — open the event4NEW MEXICO — A MODERATE FLASH-FLOOD RISK TODAY ON GROUND ALREADY WET — open the event5SOUTH-CENTRAL CHILE — A CATEGORY-4 ATMOSPHERIC RIVER PEAKS TODAY — open the event6SAUDI ARABIA'S SOUTH-WEST — RED ALERTS ACROSS FOUR REGIONS — open the event7SOUTH AFRICA — AN ORANGE LEVEL 5 FOR LARGE HAIL OVER THE KAROO — open the event8NIGERIA — A 15-STATE RIVERINE FLOOD ADVISORY RUNS TO SEP 25 — open the event9CENTRAL AMERICA — GUATEMALA'S RAINY SEASON AT 195,286 PEOPLE AFFECTED — open the event10CENTRAL AND SOUTHERN VIETNAM — A FLOOD WAVE FROM HUE TO LAM DONG — open the event12CABO VERDE — A WAVE AT 40 PERCENT, AND STILL NO ATLANTIC HURRICANE THIS YEAR — open the event13THE SOUTHERN APPALACHIANS — A MARGINAL SEVERE RISK — open the event14THE AMERICAN WEST — FIRE PREPAREDNESS EASES TO LEVEL 2 — open the event15THE RHINE AT KAUB — 11 CM, DOWN TWO, AND STILL FALLING — open the event16SICILY — A YELLOW ALERT, AND NO ORANGE ANYWHERE IN ITALY — open the event17SOUTHERN DALMATIA — THE COAST HAS COOLED INTO LATE SEPTEMBER — open the event18NEPAL — A LEDGER AT 1,451 DEAD AND 6,145 MISSING — open the event19PAKISTAN — A NATIONAL COUNT HELD AT ITS SEP 3 FIGURE — open the event20WESTERN AUSTRALIA'S SOUTH-EAST — HAIL AND DAMAGING-WIND WARNINGS — open the event21
heatsevererain / floodtropicalfire weathersmoke / airdroughtwinterquiet

intensity is not exposure — The weakest storm on the board carries the most people — the Bay depression, at 75 km/h gusts, puts about 8.0 million people inside tropical-storm-force winds as it crosses tonight, while Polo, at 892 mb the most intense reading on the board, carries zero people inside Category-1 winds on land because its core stays offshore. The ranking here is people times imminence, not millibars..

SYSTEMHAZARDPEAKTRENDTOUCHESCONF
1NORTH ANDHRA PRADESH + SOUTH ODISHA — A DEEP DEPRESSION COMES ASHORE TONIGHT PEAKtropical75 km/h● at peak7R
A deep depression near 18.0 N 84.7 E, about 150 km south of Gopalpur, crossing the coast between Visakhapatnam and Gopalpur tonight with **55-65 km/h…
2SOUTH-WEST MEXICO — A HURRICANE THAT PEAKED AT 892 MB SENDS ITS RAIN ASHORE EASINGtropical155 mph▼ easing4C
Polo reached 180 mph and 892 mb on Tuesday afternoon and holds 155 mph, 918 mb this morning near 15.0 N 101.4 W, about 185 miles south of Zihuatanejo,…
3SOUTH-SOUTH-EAST OF HILO — A DEPRESSION FORECAST TO REACH THE BIG ISLAND AS A HURRICANE BUILDINGtropical35 mph▲ building5C
A tropical depression re-formed near 14.0 N 153.7 W, about 405 miles south-south-east of Hilo, at 35 mph, moving west-north-west at 12 mph
4EASTERN JAPAN — THE STORM HAS GONE, AND THE TOLL ROSE TO NINE RECOVERYtropical832 mm▼ recovery3R
The storm is extratropical east of Hokkaido, but the count from its rain rose overnight to 9 dead and 4 missing — six dead in Chiba, three in Kanagawa, mostly in…
5NEW MEXICO — A MODERATE FLASH-FLOOD RISK TODAY ON GROUND ALREADY WET PEAKwater4 in● at peak4C
A moderate excessive-rain risk covers central and eastern New Mexico today — 1 to 2 inches widespread, 2 to 4 in swaths, with scattered to numerous flash…
6SOUTH-CENTRAL CHILE — A CATEGORY-4 ATMOSPHERIC RIVER PEAKS TODAY PEAKwater200 mm● at peak2R
A category-4 atmospheric river runs from Tuesday afternoon to Thursday night across Maule, Nuble, Biobio, La Araucania, Los Rios and Los Lagos: 100 to 200 mm…
7SAUDI ARABIA'S SOUTH-WEST — RED ALERTS ACROSS FOUR REGIONS ACTIVEwater—► ongoing—R
Red alerts cover Makkah, Jazan, Asir and Al-Baha for heavy thunderstorms, flash floods and hail, with orange for rain around Jazan and for dust over Makkah,…
8SOUTH AFRICA — AN ORANGE LEVEL 5 FOR LARGE HAIL OVER THE KAROO ACTIVEsevere—► ongoing—R
An orange level 5 for severe thunderstorms with large hail covers Hantam, Karoo Hoogland and the Central Karoo, with a yellow level 2 over most of the…
9NIGERIA — A 15-STATE RIVERINE FLOOD ADVISORY RUNS TO SEP 25 ACTIVEwater—► ongoing2R
High riverine flood risk runs Sep 19-25 across 15 states, from Lagos to the Benue and Niger valleys, with more than **8,000 communities and 4,500…
10CENTRAL AMERICA — GUATEMALA'S RAINY SEASON AT 195,286 PEOPLE AFFECTED ACTIVEwater—► ongoing1R
Guatemala's rainy-season tally stands at 1,559 emergencies, 195,286 people affected and 22,158 evacuated, with 402 roads and 27 bridges damaged and fresh…
12CENTRAL AND SOUTHERN VIETNAM — A FLOOD WAVE FROM HUE TO LAM DONG ACTIVEwater100+ mm► ongoing—R
A flood wave is moving through rivers from Hue to Lam Dong through Sep 25; the Dong Nai at Ta Lai is just above alarm level 2 and more than **100 mm in 3…
13CABO VERDE — A WAVE AT 40 PERCENT, AND STILL NO ATLANTIC HURRICANE THIS YEAR EMERGINGtropical—▲ emerging—C
The Atlantic's one area is a tropical wave near the Cabo Verde Islands at 20 percent over two days and 40 percent over seven, possibly a short-lived depression…
14THE SOUTHERN APPALACHIANS — A MARGINAL SEVERE RISK EASINGsevere—▼ easing1C
A marginal risk from central Alabama to east Tennessee for isolated gusts and hail near peak heating; the day after carries no severe area.
15THE AMERICAN WEST — FIRE PREPAREDNESS EASES TO LEVEL 2 EASINGfirePL 2▼ easing—C
The national preparedness level eased to 2, with 31 uncontained large fires on about 1.92 million acres, led by **Washington (7), Oregon (6) and California…
16THE RHINE AT KAUB — 11 CM, DOWN TWO, AND STILL FALLING ACTIVEdrought11 cm► ongoing2C
The Kaub gauge reads 11 cm at 11:15 local time, down from 13, flagged low — a draught limit that loads less cargo onto every Rhine barge.
17SICILY — A YELLOW ALERT, AND NO ORANGE ANYWHERE IN ITALY EASINGsevere—▼ easing—R
Italy carries yellow only — all nine Sicilian zones, parts of Calabria and Sardinia — and Greece's emergency bulletin for storms and hail over the **Sporades and…
18SOUTHERN DALMATIA — THE COAST HAS COOLED INTO LATE SEPTEMBER EASINGheat29.6 °C▼ easing—C
Window peaks have eased to 29.6 °C at Korcula and the low-to-mid 20s across most of Croatia, with the strongest wind about 19.5 m/s on the Velebit crossing…
19NEPAL — A LEDGER AT 1,451 DEAD AND 6,145 MISSING RECOVERYwater—▼ recovery1R
The flood ledger stands at a reported 1,451 dead and 6,145 missing, including 607 foreign nationals, as of Sep 20
20PAKISTAN — A NATIONAL COUNT HELD AT ITS SEP 3 FIGURE RECOVERYwater—▼ recovery—R
The national monsoon count is held at a reported 180 dead since late June — no newer national figure was published
21WESTERN AUSTRALIA'S SOUTH-EAST — HAIL AND DAMAGING-WIND WARNINGS ACTIVEsevere—► ongoing—R
Severe-thunderstorm warnings for large hail, damaging winds and heavy rain cover the south-east Goldfields, Eucla and South East Coastal districts; no…
·EAST OF LUZON — A NEW DEPRESSION, STILL OUTSIDE THE PHILIPPINE AREA EMERGINGtropical45 km/h▲ emerging—R
A tropical depression formed about 1,885 km east of south-eastern Luzon, 45 km/h, moving north at 15 km/h

QUIET — THE CARIBBEAN SEA AND THE GULF OF MEXICO · THE AMERICAN HEAT BOARD · GERMANY, BRITAIN AND CROATIA · THE SOUTH-WEST INDIAN, AUSTRALIAN-REGION AND SOUTH PACIFIC BASINS · NEW ZEALAND · NOT CHECKED TODAY — NORTH-EAST BANGLADESH · BRAZIL AND ARGENTINA · CHINA AND KOREA · SPAIN AND FRANCE

■ OPEN THE LIVE MAP →
THE DESKS — what each must decide today

Public safety

A night landfall with red rain, a hurricane's rain on a populated coast, a two-day hurricane lead for Hawaii, and a moderate flood day.

Three shelter decisions on three clocks: tonight in south Odisha, where red rain meets the hill districts; now in Guerrero, where rainbands are on the slopes; and Friday in Hawaii, where a watch is likely today. District officers, civil-protection chiefs and county emergency managers own each call.

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Maritime & ports

Ports closed in Guerrero and Michoacan, a signal No. 3 on Bangladesh's coast, a Bay crossing, and the Rhine at 11 cm.

On the Pacific coast of Mexico the question is when to reopen, as Polo turns away. On the Bay the fleets are ashore through the crossing, and Hilo's harbour plans for Friday's swell. On the Rhine, 11 cm at Kaub means every barge loads light.

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Aviation

A Friday hurricane approach for Hawaii, rainbands on Mexico's Pacific coast, and afternoon flash-flood storms over New Mexico.

Inter-island and trans-Pacific schedulers are building Friday with a forecast hurricane near the Big Island. Zihuatanejo and Acapulco operations work under rainbands today, and New Mexico's afternoon storms put ground stops and runway water into the plan.

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Supply chains

East-coast Indian rail and road holds through a night crossing, Mexican Pacific ports closed, and a low Rhine.

Rail and road freight through Visakhapatnam and south Odisha holds through tonight's crossing, Lazaro Cardenas stays closed while Polo passes, and Rhine cargo moves light at 11 cm, while Nigeria's riverine advisory runs to Sep 25.

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Energy & utilities

Grid crews staged for a Bay crossing, 45,000 Chiba households dark, and a Friday hurricane lead for Hawaii's island grid.

Odisha and north Andhra utilities stage crews for a night crossing, Chiba restoration continues for more than 45,000 households, Hawaii's island grid has two days to prepare, and Chilean hydro operators watch reservoir inflow under a high freezing level.

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Agriculture

Red rain onto south Odisha's kharif fields, a Chilean foothill deluge, and Nigeria's riverine flood window.

More than 20 cm onto the Eastern Ghats districts puts standing monsoon crops at the edge of waterlogging; 100 to 200 mm hits Chile's southern foothills; and Nigeria's floodplain farms sit inside a 15-state advisory.

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Health systems

Landslide casualties in Japan, a night landfall in India, and a season-long flood burden in Guatemala.

Hospitals in Chiba and Kanagawa are working the aftermath, south Odisha's district hospitals prepare for a night of red rain, and Guatemala's shelters hold 1,312 people in a season that has affected 195,286.

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Live events & venues

Afternoon flash-flood storms over New Mexico and a Friday hurricane lead for Hawaii's weekend.

Outdoor events across central and eastern New Mexico face afternoon flash-flood storms, and Hawaii's weekend events plan against a forecast hurricane arriving Friday.

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