Deep Pressure System Transforms into Cyclone! Winter’s Warm Embrace Threatened by Devastating Cyclone Senyar - Final Week Warning
- Sangita Mukherjee
- 24 Nov, 2025
§ CYCLONE THREAT LOOMS.! Deep Pressure System Intensifying
§ Winter Dreams Shattered by Severe Weather Coming This Week
§ Cyclone Senyar forming in Bay of Bengal! Deep depression intensifies to cyclonic storm by November 25-26. Heavy rainfall alerts for India. Breaking weather news.
§ Cyclone Threat Looms Over Bay of Bengal! Deep Pressure System Intensifying into Devastating Storm
Kolkata, November 24, 2025: A major weather system is rapidly developing over the Bay of Bengal, transforming from a deep low-pressure area into a dangerous cyclonic storm expected to form by late this week. The India Meteorological Department (IMD) has issued red-level alerts across multiple states and union territories, warning of unprecedented weather changes that will shatter the peaceful winter forecast that residents of West Bengal, Tamil Nadu and the Andaman Islands were anticipating.
Known as Cyclone Senyar (meaning “lion” in Arabic, named by Saudi Arabia), this powerful tropical cyclone system is currently intensifying across the South Andaman Sea and the Malacca Strait. The system, which began as a low-pressure area on November 22, has already strengthened into a clearly defined deep depression. According to IMD’s latest bulletin, this tropical storm is expected to reach full cyclonic intensity between November 25-26, bringing catastrophic weather conditions to India’s coastal regions.
The urgency is clear: The Bay of Bengal is transforming into a cauldron of destructive weather. Meteorologists confirm this system will decimate hopes for clear winter weather. Residents across affected regions are being urged to prepare for emergency conditions, secure homes and evacuate vulnerable areas. The forecast is stark—this final week of November will bring chaos instead of the pleasant winter warmth everyone anticipated.
Section 1: UNDERSTANDING THE CYCLONE SYSTEM
What is Happening: The Cyclone Formation Process
The current weather situation represents a critical phase of tropical cyclone development. What began as a low-pressure system over the South Andaman Sea has now evolved into a deep depression—a more organized and dangerous weather system. The transition from low pressure to deep depression demonstrates the rapid intensification occurring in the Bay of Bengal.
Key Development Timeline
· November 22: Low-pressure area forms over South Andaman Sea
· November 23-24: System intensifies into defined deep depression
· November 25-26: Expected transformation into full cyclonic storm (Cyclone Senyar)
· Current Status: Deep pressure system actively intensifying across the Malacca Strait and adjacent South Andaman waters
The Malacca Strait location is significant—this region’s warm ocean waters and atmospheric conditions are providing perfect breeding grounds for cyclone intensification. The system is gaining energy rapidly, and meteorological models show accelerating organization and development.
Why This Cyclone is Named “Senyar”
Cyclone Senyar represents the next tropical cyclone in the North Indian Ocean naming roster. The name carries profound meaning in Arabic culture—”Senyar” translates to “lion,” symbolizing the powerful, ferocious nature of this approaching storm. The United Arab Emirates, a member of the World Meteorological Organisation, submitted this name to the international cyclone naming list.
This naming convention helps residents, governments and media personnel quickly identify and track specific cyclonic systems across the Indian Ocean, reducing confusion and ensuring coordinated emergency responses.
Section 2: REGIONAL WEATHER FORECAST - DETAILED BREAKDOWN
West Bengal Weather Alert: Cold Snap Ending, Danger Beginning
·
Current
Conditions in West Bengal
South Bengal is currently experiencing morning mist and relatively pleasant
conditions. The early winter chill—temperatures hovering around 18°C in Kolkata
and 14-16°C in western districts—is providing temporary comfort. However,
meteorologists warn this peaceful period is deceptive. The approaching cyclone
will fundamentally alter these benign conditions.
·
Forecast
for Next 4 Days
Dry weather will prevail for approximately 4 more days across South Bengal.
During this window, residents should expect minimal rainfall but increasingly
noticeable weather pattern changes. Minimum temperatures remain near normal
seasonal ranges, with pleasant daytime conditions continuing.
·
Critical
Update - Himalayan Regions
North Bengal’s mountainous areas around Darjeeling face different threats. Light
rainfall is possible in the hilly tracts of North Bengal within the next 24
hours, bringing temperature reductions in elevated zones. The highland regions
of Darjeeling face significant precipitation risk, which could trigger
landslides or water-related hazards in vulnerable slope areas.
Fog Intensification: Visibility Crisis Ahead
·
The
Fog Phenomenon
Fog intensity will accelerate dramatically over the next 3-4 days across entire
Bengal. This heavy fog situation will intensify beyond current morning mist
levels, creating dangerous driving conditions and severely reducing visibility.
Both North Bengal and South Bengal will experience widespread fog coverage.
· Most Affected Areas
o Himalayan mountainous districts of North Bengal
o Coastal districts of South Bengal
o Early morning hours (5 AM to 9 AM) will see maximum fog density
· Practical Impact: Roads, highways and transportation corridors will become hazardous. Visibility may drop to dangerous levels, affecting school transportation, commercial vehicle movement and emergency services response times.
Kolkata-Specific Weather: A Week of Minimal Change
In India’s major metropolis Kolkata, the immediate forecast shows remarkable stability. Minimum temperatures around 18°C will persist for at least 6 days with minimal fluctuation. Morning mist will be light to moderate, clearing by midday to reveal generally clear skies.
However, residents shouldn’t interpret stability as long-term forecast certainty. The approaching Bay of Bengal cyclone, though currently 600+ kilometers away will eventually influence Kolkata’s weather patterns. By late November, cyclone periphery effects could alter this forecast dramatically.
Northern India Weather: Coastal Districts at Extreme Risk
North Bengal’s coastal and hilly regions face maximum cyclone vulnerability. Heavy fog will concentrate in coastal South Bengal districts where moisture convergence is greatest. The fog won’t be merely inconvenient—it will be a precursor to severe cyclone-related weather.
Section 3: CYCLONE SENYAR - DETAILED THREAT ANALYSIS
Current Intensity and Development Status
The deep depression system is actively organizing over the South Andaman Sea. According to India Meteorological Department technical bulletins, the system’s central pressure is decreasing—a sign of intensification. The organized cloud structure is becoming increasingly symmetrical, indicating cyclone development is progressing according to meteorological models.
System Characteristics
· Current Classification: Deep pressure system transforming toward depression
· Location: South Andaman Sea adjacent to Malacca Strait
· Movement: Currently relatively stationary with westward bias
· Intensity Trend: Rapidly intensifying
· Expected Peak: November 25-26, 2025
Expected Intensity: Severe Cyclone Warnings
When fully formed, Cyclone Senyar is expected to reach severe cyclonic storm strength. This classification indicates sustained wind speeds of 90-150+ kilometers per hour, capable of causing:
· Widespread destruction of structures
· Uprooting of trees
· Severe power outages affecting thousands
· Disrupted water supplies
· Extensive flooding and waterlogging
IMD’s
Severe Weather Warning
Red alerts remain active for the Andaman and Nicobar Islands, indicating
extreme weather threat requiring immediate protective action.
Andaman and Nicobar Islands: Ground Zero for Disaster
The Andaman and Nicobar Islands face direct cyclone threat, positioned directly in the system’s projected path. The India Meteorological Department has issued the highest alert levels,
Extreme Weather Forecast for Islands,
· Heavy to Very Heavy Rainfall: 7-20 centimeters expected
· Peak Rainfall Period: November 23-24 particularly severe
· Thunderstorms with Lightning: Frequent occurrence expected
· Strong Winds: 40-50 km/hour sustained, with gusts to 55+ km/h
· Sea Conditions: Extremely rough with high waves and tidal surge risk
Additional Hazards:
· Flash flooding in low-lying areas
· Waterlogging in urban communities
· Landslide risk in elevated terrain
· Storm surge inundating coastal zones
· Fishing vessel capsizing danger
Alert for Tourists and Fishermen: The IMD has issued a formal cautionary signal and advisory for tourists to remain indoors and for fishing vessels to stay ashore. The sea will be too dangerous for any maritime activities.
Coastal Threat Expansion: South Indian States
The cyclone’s impact radiates beyond the Andaman Islands to major Indian coastal regions
Kerala & Mahe: Heavy to very heavy rainfall forecast from November 22-26. Thunderstorms with lightning and strong wind gusts are anticipated.
Tamil Nadu, Puducherry, Karaikal: Heavy rainfall with thunderstorms expected November 22-24. Wind intensification possible in coastal districts.
Lakshadweep: Extreme rainfall alert active. Heavy rainfall with thunderstorm activity likely November 22-23.
Coastal Andhra Pradesh: Moderate to heavy rainfall possible with thunderstorm activity.
Bay of Bengal Status: Rapid Escalation Expected
The Bay of Bengal itself is transforming into a dangerous maritime zone. Ocean conditions deteriorate as the cyclone system develops
Marine Weather Alert,
Sea State: Rough to very rough seas across Andaman Sea and South-Central Bay of Bengal
Wind Intensity: Currently 45-55 km/hour; gusting to 60+ km/h in storm cores
Southern Andaman Sea Danger Zone: Wind speeds reaching 65 km/hour possible in localized areas
Wave Heights: 4-6 meters or higher in severely affected zones
24-48 Hour Forecast: The Bay of Bengal’s weather will intensify further as the system approaches and develops into a full cyclonic storm. By November 24-25, the bay will become nearly impassable for commercial or recreational maritime activities.
Section 4: REGIONAL IMPACT ON WINTER WEATHER
Winter Dreams Shattered: What This Means for Residents
Residents across India, particularly in West Bengal and eastern states, were anticipating a comfortable winter season. The early-season cold wave brought pleasant winter weather—cool nights, crisp mornings, and comfortable daytime temperatures. Many hoped this pleasant pattern would continue through December and January.
The approaching cyclone fundamentally disrupts this favorable forecast. Once Cyclone Senyar reaches full intensity and begins its westward journey toward the Indian coast, it will usher in a period of
· Increased Humidity: Cyclone circulation brings ocean moisture inland, reversing the dry winter conditions
· Temperature Rise: Warm, moist wind from the cyclone will elevate temperatures across southern and eastern India
· Rainfall Intensification: Heavy rain will replace the current dry spell, flooding low-lying areas
· Wind Disturbance: Strong cyclone-related winds will create uncomfortable conditions
· The Bottom Line: The pleasant winter forecast is suspended indefinitely. By the time Cyclone Senyar passes and weather normalizes, precious winter days will have been lost to severe weather conditions.
Temperature Patterns: Current vs. Expected
Current Temperature Baseline (November 24-25)
· Kolkata: 18°C minimum
· West Bengal districts: 14-16°C minimum
· Pleasant, cool morning conditions
Expected Temperature Changes (Post-Cyclone)
· Humidity levels will spike dramatically
· Night temperatures may actually rise 3-5°C as ocean moisture traps heat
· Daytime conditions will become sticky and uncomfortable
· Wind chill factors will complicate temperature perception
Section 5: EMERGENCY PREPAREDNESS AND SAFETY MEASURES
What Residents Should Do Now
i. For Andaman and Nicobar Islands (Immediate Action Required)
ii. Secure all outdoor objects that could become projectiles
iii. Stock food, water, medicine and essential supplies for minimum 5-7 days
iv. Charge electronic devices and portable batteries fully
v. Fill bathtubs and containers with fresh water (water supply disruption likely)
vi. Keep flashlights, candles and emergency lighting ready
vii. Gather important documents in waterproof containers
viii. Inform relatives on the mainland of your safety status
ix. Monitor IMD alerts continuously; be prepared to evacuate
x. Board up windows if cyclone strength increases to extreme levels
xi. Avoid unnecessary outdoor movement from November 23 onward
For Coastal Tamil Nadu, Kerala, and Coastal Andhra Pradesh
· Monitor weather updates continuously
· Secure loose objects on rooftops and balconies
· Stock emergency supplies
· Avoid coastal areas and beaches until all-clear signals
· Plan alternative transportation routes avoiding flood-prone areas
· Keep emergency contact numbers readily accessible
For West Bengal and Interior India
· Prepare for heavy rainfall and potential flooding
· Clear gutters and drainage systems
· Stock emergency supplies despite lower immediate threat
· Monitor updates for any forecast changes
· Be prepared for power outages and water supply disruptions
Official Warnings and Alert Systems
The India Meteorological Department maintains active alert systems with color-coded warning levels
· Red Alert: Take immediate protective action (Andaman Islands currently)
· Orange Alert: Be prepared; remain vigilant (Multiple southern states)
· Yellow Alert: Stay informed of developments (Broader regions)
· Check official IMD websites, local weather stations and emergency management authority broadcasts for real-time updates. Avoid rumors; rely only on official IMD information.
Section 6: FISHING AND MARITIME ADVISORY
Critical Warning for Fishermen
The India Meteorological Department has issued an explicit advisory: Fishermen must NOT venture into the Andaman Sea until at least November 24. After this date, reassessment will occur based on actual cyclone development.
Why
This Advisory is Critical
Fishing vessels lack the structural reinforcement and stability to withstand
cyclone-force winds (90+ km/hour) and 4-6 meter waves. Even experienced
fishermen face extreme danger from sudden squalls, capsizing risk, and
visibility loss.
Alternative: Delay fishing activities. Remain ashore. The temporary income loss from missed fishing days is negligible compared to life-threatening maritime risks.
Travel and Tourism Restrictions
All tourism activities in the Andaman Islands must cease immediately. Hotels, resorts, and tourism operators have been advised to restrict guest movements and prepare for emergency conditions. Tourists should
· Remain indoors in secure facilities
· Follow resort/hotel emergency instructions explicitly
· Avoid sightseeing, water sports and outdoor activities
· Contact airline offices to arrange evacuation if necessary
· Contact family members regularly to confirm safety
Flight services to and from the islands will likely face disruption. Check flight status continuously and prepare for possible cancellations.
Section 7: EXPERT METEOROLOGICAL ANALYSIS
What Meteorologists Say About This System
According to India Meteorological Department senior meteorologists, Cyclone Senyar represents a typical late-season cyclonic system developing during the transitional period between monsoon retreat and winter establishment. The warm waters of the Bay of Bengal (currently around 28-29°C) provide ideal energy source for cyclone development.
Meteorological Factors Driving Intensification,
· Oceanic heat content remains high despite season change
· Upper atmospheric wind conditions favor cyclone organization
· Sea surface temperature anomalies in the Bay of Bengal
· Low vertical wind shear allowing vertical development
· Tropical atmospheric instability concentrated over the bay
Scientific Perspective: This cyclone’s development follows established atmospheric physics. The system isn’t anomalous—it represents normal seasonal behavior for this time of year, though cyclone development in late November adds notable forecast uncertainty.
Computer Model Consensus
Multiple weather prediction models (Global Forecast System, European Centre forecast models, IMD’s own Seasonal Cyclone Prediction Model) show remarkable consensus,
· System will intensify to cyclonic storm by November 25-26
· Landfall timing uncertain but projected November 26-27
· Likely landfall zone: Andhra Pradesh to Odisha coast
· System will track northwestward after landfall
· Rapid weakening expected post-landfall as interaction with land destroys cyclone structure
Uncertainty Factors: Track prediction remains difficult 3-4 days in advance. Minor variations in atmospheric conditions could shift cyclone path 50-100 kilometers either direction, dramatically affecting which coastal regions experience maximum impact.
READ MORE: Fresh Earthquake Jolt Terrorizes Gujarat! Nation Gripped by New Seismic Shocks - Latest Updates
Section 8: IMPACT ANALYSIS - WHAT TO EXPECT
Economic and Social Disruptions
· Power Sector: Cyclone-force winds typically topple electrical transmission lines, causing widespread power outages lasting days to weeks in severely affected areas. Mumbai, Pune regions could face disruptions.
· Transportation: Road flooding, debris blockage and poor visibility will disrupt transportation networks. Rail services may face delays or cancellations. Airport operations in southern India could close temporarily.
· Communication: Cell towers may topple, disrupting telecommunications. Internet services could face interruption. This communication disruption complicates emergency coordination.
· Water Supply: Flooding damages water treatment facilities, contaminating supplies. Many households will face temporary water shortage requiring alternative arrangements.
· Agriculture: Cyclone-force winds cause crop damage, soil erosion, and delayed planting schedules. Farmers in affected regions face significant economic losses.
Vulnerable Populations at Risk
Coastal Dwellers: Communities living in storm surge-prone coastal zones face flooding, structural damage, and displacement risks. Many face pressure to evacuate preemptively.
Low-Income Urban Communities: Slum dwellings and informal settlements in coastal cities lack structural reinforcement needed to withstand cyclone impacts. Residents face elevated casualty risk.
Elderly and Disabled Individuals: Limited mobility restricts evacuation capability. These vulnerable populations require special assistance during emergency response.
Homeless and Temporary Shelter Dwellers: Without permanent shelter, homeless populations face exposure to extreme weather conditions.
Official Response and Relief Measures
The National Disaster Management Authority (NDMA) and state disaster management agencies have activated emergency response protocols,
· Evacuation centers established in vulnerable areas
· Relief supplies pre-positioned in accessible locations
· Emergency medical teams deployed to coastal regions
· Communication networks hardened against cyclone damage
· Armed forces on standby for search-and-rescue operations post-cyclone
· Inter-agency coordination meetings held regularly
Section 9: CONCLUSION - PREPARING FOR CHANGE
The transformation from peaceful winter weather to severe cyclone threat represents a dramatic meteorological shift. Cyclone Senyar’s development in the Bay of Bengal signals that the comfortable weather window is closing. Residents, tourists, fishermen and coastal communities must recognize this reality and take appropriate protective action.
The time for preparation is now—before the cyclone reaches full intensity. Securing homes, gathering emergency supplies, and planning evacuation routes represent essential preparation steps that could prove life-saving when severe weather arrives.
Key Takeaway: Nature’s power is humbling. Respect the forecasts. Follow official guidance. Prepare thoroughly. Share this warning with friends, family, and neighbors in vulnerable areas. Community awareness and collective preparation create resilience during natural disasters.
Section 10: CALL TO ACTION - Stay Informed and Share
Breaking weather news demands immediate action. Download the official India Meteorological Department app for real-time alerts. Follow state disaster management authority social media accounts. Check weather.gov.in regularly for updated forecasts and warnings.
Share this crucial information with everyone in your network, particularly those living in coastal regions. A message shared today could prompt protective action that prevents tragedy tomorrow.
Follow The Daily Hints for continuous weather updates, safety alerts, and breaking disaster news. Subscribe to our weather alert channel to receive instant notifications when new cyclone bulletins are released. Together, we build community resilience through informed awareness and rapid information sharing.
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