EXCLUSIVE| Cyclone Arnab Alert: Hurry Up, Radar images Show Heavy Rain Cloud Bands 2 – 4 hrs Away from Bhubaneswar, Cuttack

ALERT FOR ALL DENIZENS! Hurry Up, Cyclone Arnab heavy rain is coming soon to lash your city.

 

Complete all essential outdoor activities within the next two to four hours. Failing to do so risks leaving you stranded by Arnab's primary rainbands as the system closes in on its target. The storm is currently centered just 140 km southeast of Kakinada, while its distance from Gopalpur stands at 380 km to the south-southwest.

 

Interestingly, the skyline over Bhubaneswar seems calm now. Tiny rain droplets are landing occasionally on to ground.  A glance at the 18:15 hours IST live Doppler Weather Radar updates, however, suggest this lull before the storm.

 

As the radar visual analytics indicate a temporary absence of high-reflectivity, dense rain-bearing clouds directly over the skies of Bhubaneswar and Cuttack, for an untrained eye, this clear pocket suggested a weakening system or an avoidance trajectory.

However, a study of the whole cloud bands of cyclone Arnab warns us to dismantle this complacency.

 

It suggests BIG: Bhubaneswar, Cuttack, and the surrounding inland districts are currently in the final 2 to 4 hours of a critical atmospheric priming phase, with a massive, continuous heavy-to-very-heavy rainfall event locked and loaded to strike between 2100 hours and 2300 hours IST tonight.

 

Mechanics of the Outer Band Lull

 

The temporary clearance captured on radar is a classic, documented phenomenon associated with Very Severe Cyclonic Storms of Arnab’s scale (Minimum Central Pressure: 947 mb; Core Winds: 115 knots sustained).

 

As the storm slowly grinds its way west-northwestward at 18 km/h over the Westcentral Bay of Bengal, it operates via a series of highly structured, rotating cloud bands separated by dry subsiding air zones.

 

Bhubaneswar is currently positioned inside one of these transient structural gaps – often referred to as an outer-band subsidence zone. In this zone, air that has risen violently inside the storm's southern cores is sinking, temporarily drying out the mid-level atmosphere and breaking up local cloud cover. This is not a sign of the storm dissolving; rather, it is the classic "calm before the deluge."

 

The Incoming Northern Conveyor Belt

 

Directly south of this temporary radar clearing lies a dense wall of high-reflectivity radar echoes (peaking at 45 to 55 dBZ on Doppler displays), currently strangling the coastline from the south of Visakhapatnam up through Padmapur

 

Driven by an ongoing Fujiwhara interaction that is stalling the cyclone's forward momentum, this primary northern moisture conveyor belt is acting as an atmospheric bulldozer.

 

As the sun sets and the boundary layer of the Earth cools, the thermal dynamics change, forcing this massive offshore moisture reservoir to slide directly inland.

 

The upper-level winds are steering this dense, multi-layered rain core straight toward the Khordha and Cuttack districts. The atmosphere over the Twin Cities is fully primed – saturated at lower levels, heavily pressurized, and awaiting the arrival of the core bands within the 2-to-4-hour window.

 

DISTRICTS PRIMING FOR HEAVY RAINFALL

 

The hydrological impact of Cyclone Arnab will not be limited to the coast. The slow translation speed ensures that inland urban zones and adjacent agricultural belts are priming up simultaneously to receive extreme rainfall volumes. Here’s the detailed table to take a glance at your district.

 

District / Zone	Current Radar State	Expected Rain Onset	Peak 24-Hour Rainfall Projection
Bhubaneswar	Deceptive Clear Gap	21:00 PM - 22:30 PM	12–20 cm (Heavy to Very Heavy)
Cuttack	Light Patchy Clouds	21:30 PM - 23:00 PM	12–18 cm (Overnight Core Peak)
Puri Coastline	High Reflectivity	Immediate / Ongoing	15–22 cm (Severe Maritime Influx)
Ganjam (Gopalpur)	Dense Eyewall Edge	Continuous Heavy Rain	20–25 cm (Extreme Landfall Risk)
Jagatsinghpur	Sprawling Outer Edge	20:00 PM onwards	10–15 cm (Localized Waterlogging)

 

Bhubaneswar and the Greater Khordha Region

 

The capital city is currently sitting in a state of high atmospheric tension. While streets remain relatively dry as of 6:48 PM, the entire municipal layout is highly vulnerable to the incoming 12 to 20 cm rain bands.

 

The primary moisture conveyor belt will hit the southern boundaries of the city – including Uttara, Dhauli, and Tamando – before expanding over the central commercial districts of Master Canteen, Bapuji Nagar, Saheed Nagar, and Nayapalli.

 

Because the storm is stalling, once the rain starts tonight, it will change from intermittent showers to a relentless, blinding sheet of water. The urban concrete footprint of Bhubaneswar will prevent immediate infiltration, meaning that within 90 minutes of onset, key thoroughfares like the Iskcon Temple stretch and the low-lying zones of Acharya Vihar will experience rapid, dangerous water levels.

 

Cuttack Municipal Corporation and the Deltaic Channels

 

Slightly north of the capital, Cuttack is experiencing an identical eerie prelude. The city’s unique, bowl-like topography means it is uniquely threatened by the lingering nature of Arnab's northern bands. As the radar cells advance from the south, Cuttack will start priming up roughly 30 minutes after Bhubaneswar, with rain intensifications locking in close to 2200 hours IST.

 

The downpours will target the highly populated old town areas, including Buxi Bazar, Badambadi, and Choudhury Bazar. The gravity-fed drainage system will face a dual challenge: intense internal rainfall dumping up to 18 cm overnight, combined with rising river water levels in the Kathajodi and Mahanadi channels, which will limit the city's ability to drain its stormwater.

 

Puri Coastline and Satapada Influx Zone

Unlike the Twin Cities, Puri does not enjoy a radar gap. It is already feeling the outer edge of the high-reflectivity purple and red bands shown in radar image. The entire coastal stretch from Konark to Puri town and down to the Chilika lake mouth at Satapada is priming for severe coastal flooding.

 

The strong onshore wind flow is physically pushing moisture from the 38-foot offshore waves directly onto land. Rain bands here are accompanied by severe squalls, and the precipitation will remain continuous, dropping 15 to 22 cm of water over the next 24 hours.

 

 Ganjam District (Berhampur & Gopalpur)

 

Positioned on the immediate northern shoulder of the cyclone’s projected path towards Yanam, Berhampur and the port town of Gopalpur are under an extreme weather alert. The radar shows no gaps here; the region is completely engulfed by the deep red and yellow cores representing high rain intensity.

 

The terrain is priming for major riverine flooding along the Rushikulya basin. The combination of intense topographical lifting against the Eastern Ghats and the cyclone's slow speed will cause catastrophic rain dumps exceeding 22 cm in localized pockets.

 

Jagatsinghpur (Paradeep) and Kendrapara Coastal Lowlands

 

To the northeast of the storm center, these traditional cyclone-vulnerable districts are witnessing a rapid increase in dark cloud cover. The radar shows outer rainbands beginning to rotate clockwise into Paradeep, Erasama, and Rajnagar. These areas are priming up for heavy, sustained downpours that will peak during the early morning hours of Wednesday, causing localized coastal waterlogging and severe damage to standing paddy crops.

 

 

CHRONOLOGICAL PEAK THREAT WINDOWS

 

The slow movement of Cyclone Arnab allows meteorologists to map out the exact progression of the storm bands with high precision. The timeline of maximum threat is divided into three distinct operational windows.

 

Window I: The Onset and Priming Phase (1900 Hrs to 2100 Hrs Tonight)

 

* Atmospheric Action: The temporary dry air pocket over the Twin Cities will gradually be replaced by moist air from the south. Cloud ceilings will drop rapidly, and surface winds will begin to shift from light breezes to steady, whistling northeasterly squalls.

* Expected Developments: Intermittent light drizzling will begin along the Khordha-Cuttack highway. The cloud cells currently over Padmapur will creep steadily northward. This is the final window for citizens to secure outdoor property, park vehicles in elevated spaces, and clear any blocked community drain entry points before visibility drops.

 

Window II: The Core Hit (2100 Hrs Tonight to 0830 Hrs Wednesday Morning)

 

* Atmospheric Action: The primary northern moisture conveyor belt locks completely over the Khordha, Cuttack, and Puri districts. The radar screen will then show a solid, unyielding block of high-dBZ echoes over the entire Twin Cities region.

* Expected Developments: Blinding, continuous downpours will hit. Rainfall rates could touch 3 to 5 cm per hour during peak bursts

 

Window III: The Landfall Split and Divergence (0830 Hrs to 2200 Hrs Wednesday)

 

* Atmospheric Action: As the center of Cyclone Arnab makes landfall near Yanam on Wednesday morning, its tracking angle will create a split in the weather patterns of the Twin Cities.

* Expected Developments in Bhubaneswar: The capital city will remain under a severe Orange Alert. A secondary wave of intense moisture will be pulled into the city due to a massive atmospheric pressure drop, prolonging the heavy rain spikes through Wednesday afternoon and evening.

* Expected Developments in Cuttack: Cuttack will begin to see a slow reduction in rain intensity, transitioning to a Yellow Watch with isolated heavy showers (7 to 11 cm), giving municipal pumping teams their first real opportunity to manage the waterlogged city streets.

Also Read: EXCLUSIVE | Bay of Bengal Witnesses Rare Fujiwhara Merger: Cyclone Arnab Swallows Invest 90B, Setting Up Grueling 12+ Hour Landfall Strained over Yanam–Kakinada