Sentences with phrase «hurricane activity by»

For example, there is a clear upward trend in overall North Atlantic hurricane activity by virtually all metrics, over the past 30 years or so, though the cause of this is still uncertain.

Not exact matches

The Fed said Hurricane Harvey was responsible for most of the decline by depressing oil drilling, petroleum refining and other industrial activity.
The rise was led by growth in manufacturing and utilities, while mining activities temporarily came to a standstill due to the onset of hurricanes.
The meeting — the latest in a series designed to get feedback on the city's handling of Hurricane Sandy recovery before an audit by Stringer's office — will be at the Olympia Activity Center, 1126 Olympia Blvd. from 7 to 9 p.m., according to Stringer's office.
Activity within the eyewall is closely connected to the hurricane's overall intensity, with the vertical updraft fed by an inward - spiraling, ocean - hugging wind whose average speed is the highest across the whole storm.
The findings across three independent research papers show that human activity did increase the damage inflicted by Hurricane Harvey, said Michael Wehner, a researcher at Lawrence Berkeley National Laboratory.
This influx of diversity into the reef likely helped originally build the reef, and may help replenish areas destroyed by human activity or hurricanes, Bryan said.
By monitoring, understanding, and predicting these climate patterns, forecasters can often make a confident outlook of the upcoming hurricane activity for the season as a whole.
An interesting study of hurricanes and their impact on the bond market suggests that economic activity generated by the massive rebuilding effort following Irma and Harvey will likely put upward pressure on long - term interest rates.
This demand was driven in part by the need for inspection, repair and salvage of damaged platforms and infrastructure following hurricanes Gustav and Ike, which passed through the Gulf of Mexico in the third quarter 2008, and increased domestic and international new construction activities, the capital budgets for many of which had already been committed prior to the end of 2008.
The new small group sailings will allow guests to take part in local impact activities in Caribbean destinations impacted by Hurricane Irma and Hurricane Maria, under the direction of a small group leader.
Once tickets have been issued Virgin Atlantic shall not be liable for any failure to comply with its obligations caused by (but not limited to) weather conditions, fire, flood, strike, hurricane, industrial dispute, war, terrorist activity, hostilities, political unrest, riots, civil commotion, or any other circumstances beyond the control of Virgin Atlantic.
Do you know that Goldenberg and yourself are the two scientific witnesses cited by the german news magazine Der Spiegel yesterday under the headline that the increase in hurricane activity «has nothing to do with global warming»?
A recent paper by Vecchi and Soden (preprint) published in the journal Geophysical Research Letters has been widely touted in the news (and some egregiously bad editorials), and the blogosphere as suggesting that increased vertical wind shear associated with tropical circulation changes may offset any tendencies for increased hurricane activity in the tropical Atlantic due to warming oceans.
By Rasmus Benestad & Michael Mann Just as Typhoon Nargis has reminded us of the destructive power of tropical cyclones (with its horrible death toll in Burma — around 100,000 according to the UN), a new paper by Knutson et al in the latest issue of the journal Nature Geosciences purports to project a reduction in Atlantic hurricane activity (principally the «frequency» but also integrated measures of powerfulnessBy Rasmus Benestad & Michael Mann Just as Typhoon Nargis has reminded us of the destructive power of tropical cyclones (with its horrible death toll in Burma — around 100,000 according to the UN), a new paper by Knutson et al in the latest issue of the journal Nature Geosciences purports to project a reduction in Atlantic hurricane activity (principally the «frequency» but also integrated measures of powerfulnessby Knutson et al in the latest issue of the journal Nature Geosciences purports to project a reduction in Atlantic hurricane activity (principally the «frequency» but also integrated measures of powerfulness).
By Gray's very clearly articulated reasoning, there should have been a downturn, not the observed upturn in major Atlantic hurricane activity over the past several decades (in the absence of other — including anthropogenic — influences on tropical Atlantic climate) if Bryden et al.'s results are correct.
«Research by NOAA scientists Gerry Bell and Muthuvel Chelliah, currently in press with the Journal of Climate, describes the tropical multi-decadal signal and shows that it accounts for the entire inter-related set of conditions that controls hurricane activity for decades at a time.
If we're considering the risk of hurricane damages, and not just overall basin activity, then the effect of increased vertical wind shear would seem to be (at least) twofold — it not only reduces potential intensity, but it also influences the steering of hurricanes (since hurricanes are basically steered by the background flow plus a beta drift).
Accumulated cyclone energy (ACE) is a measure used by the National Oceanic and Atmospheric Administration (NOAA) to express the activity of individual tropical cyclones and entire tropical cyclone seasons, * particularly the North Atlantic hurricane season.
As to the second the answer is probably no specifically referring to hurricane activity mentioned by McHugh the actual frequency of severe hurricanes is less now than it has been in the past: Only 4 «highest category» storms have occurred in the last 10 years!
The one that is cited most frequently and authoritatively as the cause of the increasing hurricane activity is the AMO (for example, by William Gray, Phil Klotzbach, and Roger Pielke Jr. — see Storm frenzy is not an anomaly, but a phase, Sept 13 2005)
Is the rather definitive statement that «The increased activity since 1995 is due to natural fluctuations (and) cycles of hurricane activity driven by the Atlantic Ocean itself along with the atmosphere above it and not enhanced substantially by global warming» at all supportable?
Conversely, due to well - researched upper - atmospheric flow (e.g. vertical shear) configurations favorable to Atlantic hurricane development and intensification, La Nina falls tend to favor very active seasons in the Atlantic (El Nino years are the converse, with must less activity, as forecast by Gray and NOAA for 2009).
Holland said that he recognizes that there's a potential that the study's model data might be biased by beginning the first 10 - year period in 1995, when hurricane activity ramped up rapidly.
In this data analysis activity, students explore how hurricanes extract heat energy from the ocean surface by tracking Hurricane Rita and sampling sea surface temperatures along its path.
Landsea, a hurricane expert, had said that recent hurricane activity had not been made more severe by «global warming.»
... incomplete and misleading because it 1) omits any mention of several of the most important aspects of the potential relationships between hurricanes and global warming, including rainfall, sea level, and storm surge; 2) leaves the impression that there is no significant connection between recent climate change caused by human activities and hurricane characteristics and impacts; and 3) does not take full account of the significance of recently identified trends and variations in tropical storms in causing impacts as compared to increasing societal vulnerability.
The following table shows there have been periods of greater hurricane activity before atmospheric CO2 increased by any significant amount.
It was noted by most scientists at a recent hurricane conference that overall hurricane activity is in General Decline.
The ability to assess longer - term trends in hurricane activity is limited by the quality of available data.
Now, there are several credible studies by very established researchers that do, in fact, find that increasing trends in hurricane activity are already evident in recent historical data, either in individual basins or globally.
The first issue, very well known by the scientific community, is that there is large natural variability in hurricane activity.
Detecting trends in Atlantic and eastern North Pacific hurricane activity is challenged by a lack of consistent historical data and limited understanding of all of the complex interactions between the atmosphere and ocean that influence hurricanes.4, 5,6
Our common experience with hurricanes, tornadoes thunderstorms, blizzards, floods, tsunamis, and volcanic eruptions should lead to the common sense conclusion that weather and climate are controlled by natural laws on an enormous scale that dwarfs human activity.
They found that averaged sea surface temperatures over the MDR are the best predictor of Atlantic cyclone activity, followed by global average surface temperature, with MDR warming relative to the tropics being the worst predictor of hurricane activity (Figure 1).
But since the mid-1990s, hurricane activity in the Atlantic has increased in both frequency and severity, according to data compiled by the National Oceanic and Atmospheric Administration (NOAA).
The destruction caused by natural disasters such as Hurricane Katrina and human activities such as mountaintop removal mining are powerful examples of how the environment and society are tightly interwoven.
Over the past 50 years there has been a strong statistical connection between tropical Atlantic sea surface temperatures and Atlantic hurricane activity as measured by the Power Dissipation Index (which combines storm intensity, duration, and frequency).
ABC also reported increased hurricane activity as if it were an established scientific fact that there were now more hurricanes and that they were caused by global warming.
A major «scientific» study issued in the summer of 2013 by a climate researcher at the Massachusetts Institute of Technology (MIT) warned of increased activity of killer hurricanes because of global warming / climate change.
«The increased activity since 1995 is due to natural fluctuations (and) cycles of hurricane activity driven by the Atlantic Ocean itself along with the atmosphere above it and not enhanced substantially by global warming,» he testified.
There was also a claim, after the 2005 hurricane season in the North Atlantic, that hurricane activity was caused by more CO2 in the atmopshere.
A new focused effort by a team of researchers analyzed 26 decades of hurricane activity, covering the end of the Little Ice Age (LIA) through 2012 for the Caribbean and Gulf of Mexico water regions.
Unfortunately, despite this clear empirical evidence, the climate change and global warming doomsday alarmists attempt to portray the 2017 season as a sign of CO2 - induced climate catastrophe - and that is not being well accepted by the actual hurricane experts (here, here, here) who have been on the front lines of tropical cyclone activity and impact research.
In addition, it has been well - documented that the measured global warming of about 0.5 C during the 25 - year period of 1970 - 1994 was accompanied by a downturn in Atlantic basin hurricane activity over this quarter - century period.»
There seem to be several mutually contradictory statements made by climate research skeptics who focus on hurricane activity.
Max Mayfield, director of the National Hurricane Center in Miami: «The increased activity since 1995 is due to natural fluctuations (and) cycles of hurricane activity driven by the Atlantic Ocean itself along with the atmosphere above it and not enhanced substantially by global warming,» he tHurricane Center in Miami: «The increased activity since 1995 is due to natural fluctuations (and) cycles of hurricane activity driven by the Atlantic Ocean itself along with the atmosphere above it and not enhanced substantially by global warming,» he thurricane activity driven by the Atlantic Ocean itself along with the atmosphere above it and not enhanced substantially by global warming,» he testified.
«Our position is the recent increase in hurricane activity is not caused by global warming.»
I get to understand why Global Warming is not seriously discussed amongst the populace in general, by watching many TV Meteorologists, who utterly confuse the matter, who also seem to be limited by the range of their Doppler radars, seldom explain anything more than the latest extreme Hurricane activity as the result of a «cycle».
If this statistical relation between tropical Atlantic SSTs and hurricane activity is used to infer future changes in Atlantic hurricane activity, the implications are sobering: the large increases in tropical Atlantic SSTs projected for the late 21st century would imply very substantial increases in hurricane destructive potential — roughly a 300 % increase in the PDI by 2100 (Figure 1a).
a b c d e f g h i j k l m n o p q r s t u v w x y z