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Crazy weather in Singapore ?


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23 minutes ago, Ody_2004 said:

since last night loh.. hope to cycle this morning but cannot..

anyway just now while driving met a cyclist (on roadbike).. wanna knn him.. dashed red light and i nearly kiss him.. dunno why raining still wanna ride.. wanna ride obey light lah.. i scare my COEd car brake bei chei.. KNN! 😁

When you see cyclist riding on the road obey light de?! 😅 

Rain since last night? I dont hear any rain when sleeping, could be drizzling, not thunderstorm lo. 😂 The water from the tap is freezing cold. 🥶

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17 minutes ago, ER-3682 said:

Not Great,prefer Hot Sun than Rain.

Same same, prefer sun than rain. I dont like wet weather, cause cannot do outdoor activities. If on a working day even worse, cause the aircon in the office like freezer, cold die me. 😓 If at home still not so bad.

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3 minutes ago, 13177 said:

Same same, prefer sun than rain. I dont like wet weather, cause cannot do outdoor activities. If on a working day even worse, cause the aircon in the office like freezer, cold die me. 😓 If at home still not so bad.

Next time u die, u want warmer?🪦😂😂

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54 minutes ago, RadX said:

Next time u die, u want warmer?🪦😂😂

Yes, give me warmer please. My coffin must have heater one.  😂

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59 minutes ago, Abracadabra said:

*Yawn* ..... 🥱 I'm all warm and cozy. Didn't know it rained.

Slept like a baby 😂

This CNY is rainy and wet. Really a Water Rabbit ..... WOW!

Today even worse than previous 2 days of CNY. Rain early early. I dont know still want to go out or not? The weather makes me feel lazy and sleepy. ZzzZz. Lucky yesterday went out early and already finished my visitation liao, today can choose to relax. 

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29 minutes ago, 13177 said:

Yes, give me warmer please. My coffin must have heater one.  😂

Don't worry, when send to mandai the burning temperature will be very high. 

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29 minutes ago, 13177 said:

Today even worse than previous 2 days of CNY. Rain early early. I dont know still want to go out or not? The weather makes me feel lazy and sleepy. ZzzZz. Lucky yesterday went out early and already finished my visitation liao, today can choose to relax. 

You go back previous page on the forecast I post, already indicated today and tomorrow temperature will be lower.

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10 minutes ago, Tohto said:

You go back previous page on the forecast I post, already indicated today and tomorrow temperature will be lower.

They got this right at leadt

 

 last wk they did mention that it would be a wet cny

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Supercharged

https://www.sciencealert.com/earths-inner-core-may-right-now-be-in-the-process-of-changing-direction

Earth's Inner Core May Right Now Be in The Process of Changing Direction

NATURE   24 January 2023; CLARE WATSON

Few of us give much thought to Earth's swirling, spinning contents until some sudden movement, an earthquake or a volcanic eruption, jolts us to our senses.

Geoscientists, though, are a little more clued into the dynamics of Earth's guts, and have just discovered that Earth's solid inner iron core – which usually spins within a near-frictionless molten outer envelope – appears to have slowed to a grinding halt.

Before anybody panics and searches for a copy of a terrible 20-year-old science fiction movie predicting such an event in hopes of inspiring a solution, it's not the first time record of such an event. It's not even the first in recent history.

"We show surprising observations that indicate the inner core has nearly ceased its rotation in the recent decade and may be experiencing a turning-back in a multidecadal oscillation, with another turning point in the early 1970s," geophysicists Yi Yang and Xiaodong Song of Peking University in Beijing write in their published paper.

We've only known for a few short decades that Earth's inner core rotates in relation to the mantle above it, since it was confirmed in 1996 by Song and fellow seismologist Paul Richards at Colombia University. Before their work, the idea that Earth's inner core rotates separately from the rest of the planet was an unproven theory, predicted by an unproven model of Earth's magnetic field.

Since then, earth scientists have been trying to figure out – from a distance of 5,100 kilometers (or 3,170 miles) – how fast or slow the inner core spins.

At first, the inner core was thought to make a full revolution every 400 years, driven by electromagnetic torque and balanced by gravitational pull. But other scientists soon theorized that it spins much slower, taking 1,000 years or more to fully revolve.

The speed of this rotation, and whether it varies, is still debated today. Yet the inner core carries on its merry way, unaware of the raucous debate above.

Weighing back in, Song returned to the same method he and Richards used to infer that the inner core rolls around. In 1996, the duo tracked seismic wave readings from repeated earthquakes called doublets that traversed through the inner core, from the south Atlantic to Alaska, between 1967 and 1995.

Had the inner core not moved, the shock waves should have traversed the same path. But Song and Richards showed that the seismic waves got a fraction of a second faster from the 1960s to 1990s.

Now, in the new study with Yang, Song has revisited that old data, comparing it to more recent patterns of near-identical seismic waves which suggest the inner core has slowed to a stop – and could even be reversing.

They found that since around 2009, paths that previously showed significant temporal variation have exhibited little change as seismic waves coursed through the core and out the other side. Any time difference had disappeared.

"This globally consistent pattern suggests that inner-core rotation has recently paused," Yang and Song write.

It also seems that this recent stalling of the inner core is associated with a rotation reversal, Yang and Song say, the solid iron sphere slipping back the other way as part of a seven-decade oscillation.

Based on their calculations, a small imbalance in the electromagnetic and gravitational forces would be sufficient to slow, and then reverse the inner core's rotation as observed.

That's not all. The researchers point out that the seven-decade switcharoo coincides with other periodic changes observable at Earth's surface, in the length of day and magnetic field, both of which have a periodicity of six to seven decades. Decades-long patterns in climate observations, of global mean temperature and sea level rise, also seem to weirdly align.

To Yang and Song, this frequent, slow-shifting, barely discernible oscillation that swings back and forth every 60 to 70 years seems to indicate "a resonance system across different Earth layers" – as if the planet is all humming to one, droning tune.

Since Earth's inner core is believed to be dynamically linked to its outer layers, tied to the outer core by electromagnetic coupling and bound to the mantle by gravitational forces, the study could also aid our understanding of how processes deep inside our planet affect its surface – the thin crust on which we live, sitting on top of a swirling interior.

"These observations provide evidence for dynamic interactions between the Earth's layers, from the deepest interior to the surface," Yang and Song conclude.

END

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3 minutes ago, Kklim said:

https://www.sciencealert.com/earths-inner-core-may-right-now-be-in-the-process-of-changing-direction

Earth's Inner Core May Right Now Be in The Process of Changing Direction

NATURE   24 January 2023; CLARE WATSON

Few of us give much thought to Earth's swirling, spinning contents until some sudden movement, an earthquake or a volcanic eruption, jolts us to our senses.

Geoscientists, though, are a little more clued into the dynamics of Earth's guts, and have just discovered that Earth's solid inner iron core – which usually spins within a near-frictionless molten outer envelope – appears to have slowed to a grinding halt.

Before anybody panics and searches for a copy of a terrible 20-year-old science fiction movie predicting such an event in hopes of inspiring a solution, it's not the first time record of such an event. It's not even the first in recent history.

"We show surprising observations that indicate the inner core has nearly ceased its rotation in the recent decade and may be experiencing a turning-back in a multidecadal oscillation, with another turning point in the early 1970s," geophysicists Yi Yang and Xiaodong Song of Peking University in Beijing write in their published paper.

We've only known for a few short decades that Earth's inner core rotates in relation to the mantle above it, since it was confirmed in 1996 by Song and fellow seismologist Paul Richards at Colombia University. Before their work, the idea that Earth's inner core rotates separately from the rest of the planet was an unproven theory, predicted by an unproven model of Earth's magnetic field.

Since then, earth scientists have been trying to figure out – from a distance of 5,100 kilometers (or 3,170 miles) – how fast or slow the inner core spins.

At first, the inner core was thought to make a full revolution every 400 years, driven by electromagnetic torque and balanced by gravitational pull. But other scientists soon theorized that it spins much slower, taking 1,000 years or more to fully revolve.

The speed of this rotation, and whether it varies, is still debated today. Yet the inner core carries on its merry way, unaware of the raucous debate above.

Weighing back in, Song returned to the same method he and Richards used to infer that the inner core rolls around. In 1996, the duo tracked seismic wave readings from repeated earthquakes called doublets that traversed through the inner core, from the south Atlantic to Alaska, between 1967 and 1995.

Had the inner core not moved, the shock waves should have traversed the same path. But Song and Richards showed that the seismic waves got a fraction of a second faster from the 1960s to 1990s.

Now, in the new study with Yang, Song has revisited that old data, comparing it to more recent patterns of near-identical seismic waves which suggest the inner core has slowed to a stop – and could even be reversing.

They found that since around 2009, paths that previously showed significant temporal variation have exhibited little change as seismic waves coursed through the core and out the other side. Any time difference had disappeared.

"This globally consistent pattern suggests that inner-core rotation has recently paused," Yang and Song write.

It also seems that this recent stalling of the inner core is associated with a rotation reversal, Yang and Song say, the solid iron sphere slipping back the other way as part of a seven-decade oscillation.

Based on their calculations, a small imbalance in the electromagnetic and gravitational forces would be sufficient to slow, and then reverse the inner core's rotation as observed.

That's not all. The researchers point out that the seven-decade switcharoo coincides with other periodic changes observable at Earth's surface, in the length of day and magnetic field, both of which have a periodicity of six to seven decades. Decades-long patterns in climate observations, of global mean temperature and sea level rise, also seem to weirdly align.

To Yang and Song, this frequent, slow-shifting, barely discernible oscillation that swings back and forth every 60 to 70 years seems to indicate "a resonance system across different Earth layers" – as if the planet is all humming to one, droning tune.

Since Earth's inner core is believed to be dynamically linked to its outer layers, tied to the outer core by electromagnetic coupling and bound to the mantle by gravitational forces, the study could also aid our understanding of how processes deep inside our planet affect its surface – the thin crust on which we live, sitting on top of a swirling interior.

"These observations provide evidence for dynamic interactions between the Earth's layers, from the deepest interior to the surface," Yang and Song conclude.

END

We need Magneto

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2 hours ago, Abracadabra said:

*Yawn* ..... 🥱 I'm all warm and cozy. Didn't know it rained.

Slept like a baby 😂

This CNY is rainy and wet. Really a Water Rabbit ..... WOW!

because of the rain, i give my self excuse not go exercise.

This evening die die must go 😂

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1 hour ago, Tohto said:

Don't worry, when send to mandai the burning temperature will be very high. 

But ah that is when send to mandai lo. Before that i would still prefer to have a heated coffin, so that can lay there comfortably for that few days before going mandai la. 😂

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12 minutes ago, Beregond said:

because of the rain, i give my self excuse not go exercise.

This evening die die must go 😂

Yah... so shiok..

Only this type of rain will make Singapore temperatures cooler.

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