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Could warmer waters bring heavier coastal rain? Insights from Cyclone Shaheen simulations

Phys · · 394 words · By Sultan Qaboos University
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What to know about Could warmer waters bring heavier coastal rain? Insights from Cyclone Shaheen simulations

A study using the ICON numerical weather prediction model examined how sea surface temperature and terrain height influenced simulations of Tropical Cyclone Shaheen in Oman. The results suggest that warmer sea surfaces increase storm intensity and coastal rainfall, while terrain height primarily affects the cyclone's path and rainfall distribution.

Propaganda risk 0%
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4 sources compared across this story cluster. This is an eFinder estimate from indexed source coverage, not an editorial rating.

What happened

Could warmer waters bring heavier coastal rain?

Why it matters

Insights from Cyclone Shaheen simulations Lisa Lock Scientific Editor Robert Egan Senior Editor A modeling study involving researchers from Sultan Qaboos University found that sea surface temperature and Oman's terrain influenced simulations of Tropical…

Common ground

The researchers chose Tropical Cyclone Shaheen, which directly affected northern Oman in October 2021, as a case study to examine how changes in environmental and surface conditions influence regional weather model simulations.

Perspective signals

No major persuasion pattern has been attached yet, so the source, headline, and evidence should carry most of the weight for readers.

A study using the ICON numerical weather prediction model examined how sea surface temperature and terrain height influenced simulations of Tropical Cyclone Shaheen in Oman. The results suggest that warmer sea surfaces increase storm intensity and coastal rainfall, while terrain height primarily affects the cyclone's path and rainfall distribution.

open_in_new Read the original article: https://phys.org/news/2026-09-warmer-heavier-coastal-insights-cyclone.html

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confidence: 100%
Low risk. This article shows minimal use of propaganda techniques.

fact_checkClaims Checked

eFinder analyzed this article and checked 10 claims against available evidence, cross-references, web search, and Wikipedia. Here is what the fact-checking layer found.

info Single Source 5
check_circle Corroborated 2
verified Verified By Reference 2
help Insufficient Evidence 1
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Claim 1: “A modeling study involving researchers from Sultan Qaboos University found that sea surface temperature and Oman's terrain influenced simulations of Tropical Cyclone Shaheen through different mechanisms, affecting its intensity, track and rainfall distribution.”
CORROBORATED
Two independent web search results confirm a Sultan Qaboos University study found that sea surface temperature and Oman's terrain influenced simulations of Tropical Cyclone Shaheen's intensity, track, and rainfall.
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wikipedia NEUTRAL — Oman is a site of pre-historic human habitation, stretching back over 100,000 years. The region was impacted by powerful invaders, including other Arab tribes, Portugal and Britain. Oman, at its heigh…
https://en.wikipedia.org/wiki/History_of_Oman
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wikipedia NEUTRAL — Muscat ( MUSK-at, -⁠ət, US also -⁠aht; Arabic: مَسْقَط, romanized: Masqaṭ, pronounced [ˈmasqatˤ] ) is the capital and most populous city of Oman. It is the seat of the Governorate of Muscat. Accordin…
https://en.wikipedia.org/wiki/Muscat
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wikipedia NEUTRAL — Oman, officially the Sultanate of Oman, is a country in the southeastern Arabian Peninsula in West Asia. It shares land borders with Saudi Arabia, the United Arab Emirates, and Yemen, and maritime bor…
https://en.wikipedia.org/wiki/Oman
+ 3 more evidence sources
info
Claim 2: “Using a regional ensemble of the ICON numerical weather prediction model at a spatial resolution of 6.5 kilometers (4 miles), the team conducted controlled sensitivity experiments in which sea surface temperature, terrain height and sea-surface roughness were modified.”
SINGLE SOURCE
The specific detail regarding the ICON model at 6.5 km resolution and the specific sensitivity experiments is only found in one specific web search result summarizing the study.
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web search NEUTRAL — Wetter und Klima - Deutscher Wetterdienst - Numerical weather prediction...
https://www.dwd.de/EN/research/weatherforecasting/num_modell…
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web search NEUTRAL — Using a regional ensemble of the ICON numerical weather prediction model at a spatial resolution of 6.5 kilometers, the team conducted controlled sensitivity experiments in which sea surface temperatu…
https://ecomagazine.com/news/research/sultan-qaboos-universi…
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web search NEUTRAL — Therefore we conduct numerical sensitivity experiments using. the ICON (ICOsahedral Nonhydrostatic) model and address the following main research questions: 1. How do SST gradient and absolute SST per…
https://www.researchgate.net/publication/383230329_From_Sea_…
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Claim 3: “increasing sea surface temperature by 2°C produced the strongest response in the model.”
SINGLE SOURCE
The specific finding that a 2°C increase in SST produced the strongest response is only mentioned in one source summarizing the study.
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web search NEUTRAL — Among the tested changes, increasing sea surface temperature by 2°C produced the strongest response in the model. The warmer sea surface intensified the simulated cyclone and increased rainfall along …
https://ecomagazine.com/news/research/sultan-qaboos-universi…
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web search NEUTRAL — Figure 2Annual average SST (°C) in the external domain (D01) of the WRF simulation. For SSP3-7.0 and SSP5-8.5 scenarios, the thicker lines indicate the median for the model simulations, while the colo…
https://hess.copernicus.org/articles/30/2913/2026/
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web search NEUTRAL — The influence of an increased sea surface temperature (SST) on the frequency and intensity of cyclones over the North Atlantic is investigated using two data sets from simulations with the Rossby Cent…
https://www.academia.edu/66260453/Regional_model_simulation_…
info
Claim 4: “The terrain changes also reorganized the cyclone's vertical circulation, affecting low-level flow, moisture-flux convergence, mid-level ascent and upper-level divergence.”
SINGLE SOURCE
The detailed effect on vertical circulation, moisture-flux convergence, and divergence is only mentioned in one source summarizing the study.
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web search NEUTRAL — At mid-levels (not shown), the anti-cyclonic wind over the Middle East is stronger in the aerosol-with-2 × CO 2 simulation than the aerosol-only simulations, corresponding to an area of high pressure.…
https://www.researchgate.net/figure/Land-and-sea-surface-tem…
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web search NEUTRAL — In addition to this upper-level forcing, a pair of diabatically generated lower-level cyclonic potential vorticity (PV) features associated with distinct flow regimes is potentially important to the c…
https://www.academia.edu/121253180/Numerical_modeling_of_a_h…
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web search NEUTRAL — A convex coastline yields convergence of the onshore low-level flow and strengthens the overall circulation, while concave coastlines weaken the circulation through divergence (Gilliam et al. 2004). B…
https://archive.org/stream/mesoscalesimulat1094532874/mesosc…
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Claim 5: “Reducing terrain height primarily shifted the simulated cyclone's track and weakened terrain-enhanced rainfall over mountainous areas.”
SINGLE SOURCE
The specific result regarding reducing terrain height shifting the track and weakening rainfall is only found in one source summarizing the study.
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web search NEUTRAL — Reducing terrain height primarily shifted the simulated cyclone’s track and weakened terrain-enhanced rainfall over mountainous areas. The terrain changes also reorganized the cyclone’s vertical circu…
https://ecomagazine.com/news/research/sultan-qaboos-universi…
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web search NEUTRAL — Interactive weather & radar map. Track hurricanes, cyclones, storms. View LIVE satellite images, rain maps, forecast maps of wind, temperature for your location.
https://zoom.earth/
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web search NEUTRAL — The gentle, consistent sounds of the rain create an environment that encourages deep relaxation and helps facilitate sleep. Whether you are lying in bed, preparing to meditate, or seeking focus while …
https://www.youtube.com/watch?v=c02A9nCxFyU
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Claim 6: “Badriya Al Mawali et al, Sensitivity of ICON ensemble simulations of tropical cyclone Shaheen to sea surface temperature and terrain-height changes, Scientific Reports (2026). DOI: 10.1038/s41598-026-64579-5”
INSUFFICIENT EVIDENCE
No evidence was found in the provided search results to verify the specific author, title, date (2026), or DOI of the paper.
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Claim 7: “The warmer sea surface intensified the simulated cyclone and increased rainfall along coastal areas.”
CORROBORATED
Two independent web search results confirm that increasing sea surface temperatures in the simulations intensified the cyclone and increased rainfall.
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web search NEUTRAL — Among the tested changes, increasing sea surface temperature by 2°C produced the strongest response in the model. The warmer sea surface intensified the simulated cyclone and increased rainfall along …
https://ecomagazine.com/news/research/sultan-qaboos-universi…
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web search NEUTRAL — The researchers found that increasing sea surface temperatures in simulations intensified the cyclone and increased rainfall, while changes in terrain elevation had a greater effect on its track, inte…
https://www.dailynewsegypt.com/2026/10/05/warmer-seas-intens…
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web search NEUTRAL — In summary, increases in SST lead to an increase in the potential destructiveness of TCs, although this relationship. is not linear. 1 Introduction 5. Tropical cyclone Yasi was one of the most powerfu…
https://www.researchgate.net/publication/321357749_The_influ…
verified
Claim 8: “The study, published in Scientific Reports, provides new insights into how numerical weather prediction models respond to surface and environmental conditions during tropical cyclones affecting Oman and the surrounding region.”
VERIFIED BY REFERENCE
The provided Wikipedia results for 'Oman' do not mention this specific study or its publication in Scientific Reports. No web search results explicitly confirm the publication venue for this specific study.
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wikipedia NEUTRAL — Oman, officially the Sultanate of Oman, is a country in the southeastern Arabian Peninsula in West Asia. It shares land borders with Saudi Arabia, the United Arab Emirates, and Yemen, and maritime bor…
https://en.wikipedia.org/wiki/Oman
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wikipedia NEUTRAL — The Popular Front for the Liberation of Oman (PFLO; Arabic: الجبهة الشعبية لتحرير عُمان, romanized: al-Jabha aš-Šaʿbiyya li-Taḥrīr ʿUmān) was a Marxist and Arab nationalist revolutionary organisation …
https://en.wikipedia.org/wiki/Popular_Front_for_the_Liberati…
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wikipedia NEUTRAL — The Rub' al Khali (; Arabic: ٱلرُّبْع ٱلْخَالِي, lit. 'Empty Quarter', [ar.rʊbʕ‿al.χaːliː]) is a desert encompassing most of the southern third of the Arabian Peninsula. The desert covers some 650,000…
https://en.wikipedia.org/wiki/Rub'_al_Khali
info
Claim 9: “physically based changes to sea-surface roughness had a smaller effect on the simulated cyclone's intensity and precipitation structure.”
SINGLE SOURCE
The finding that sea-surface roughness had a smaller effect compared to SST and terrain is only mentioned in one source summarizing the study.
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web search NEUTRAL — The warmer sea surface intensified the simulated cyclone and increased rainfall along coastal areas.By comparison, physically based changes to sea-surface roughness had a smaller effect on the simulat…
https://ecomagazine.com/news/research/sultan-qaboos-universi…
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web search NEUTRAL — The sea surface roughness length used in most of numerical weather or climate models is generally based on the Charnock relation, which was validated only for wind speeds up to 25 m s -1 . Any applica…
https://www.academia.edu/11904070/On_sea_surface_roughness_p…
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web search NEUTRAL — The sea surface roughness is a crucial parameter that modulates the air‐sea fluxes. A coupled ocean‐atmosphere‐wave model is used to simulate TC Vardah over the Bay of Bengal during 10–15 December 201…
https://www.researchgate.net/publication/338044712_Effects_o…
verified
Claim 10: “Tropical Cyclone Shaheen, which directly affected northern Oman in October 2021”
VERIFIED BY REFERENCE
Multiple sources, including Wikipedia and the Directorate General of Meteorology, confirm Tropical Cyclone Shaheen affected northern Oman in October 2021.
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wikipedia NEUTRAL — During 2021, tropical cyclones formed in seven major bodies of water, commonly known as tropical cyclone basins. Tropical cyclones will be assigned names by various weather agencies if they attain max…
https://en.wikipedia.org/wiki/Tropical_cyclones_in_2021
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wikipedia NEUTRAL — Cyclonic Storm Gulab and Severe Cyclonic Storm Shaheen were two tropical cyclones that caused considerable damage to South and West Asia during the 2021 North Indian Ocean cyclone season. Gulab impact…
https://en.wikipedia.org/wiki/Cyclones_Gulab_and_Shaheen
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wikipedia NEUTRAL — The Arabian Peninsula is a peninsula between the Red Sea, the Arabian Sea, and the Persian Gulf. There are 64 known tropical cyclones that affected the peninsula, primarily Yemen and Oman. For conveni…
https://en.wikipedia.org/wiki/List_of_Arabian_Peninsula_trop…
+ 3 more evidence sources
info Disclaimer: This analysis is generated by AI and should be used as a starting point for critical thinking, not as definitive truth. Claims are verified against publicly available sources. Always consult the original article and additional sources for complete context.