Questions tagged [severe-weather]
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23
questions
-1
votes
1answer
50 views
Tornados from dust devils
Maybe tornados form from dust devils that get pulled into the storm. Is there some way to look for a correlation between number of tornados on a given day and how conducive conditions are to producing ...
3
votes
1answer
166 views
What is the synoptic/atmospheric setup that is causing the U.S. severe weather outbreak in May 2019?
I asked this in the chat and it was suggested I ask on the main site.
There's been a seemingly perpetual severe weather outbreak over the central and eastern U.S. over the past two weeks. Killer EF3s ...
3
votes
1answer
121 views
Why do hurricanes hitting the US East Coast seem to go north once hitting land?
Question says it all really. It appears that every hurricane hitting the US East Coast directs itself north once on land.
Hurricane Florence is predicted to hit North Carolina then turn toward Canada
...
0
votes
1answer
112 views
Does the Columbia Basin, North Cascades and Idaho Panhandle/Clearwater get a lot of violent, rotating supercellular thunderstorms?
Every storm season, supercells erupt in Montana and Wyoming. Wayward cold-core setups can trigger supercells or even long-tracked strong tornadoes in the Columbia/Willamette Valley and the rest of SW ...
1
vote
1answer
272 views
Why do tropical cyclones get more attention than extratropical cyclones?
For tropical cyclones we have carefully tracked every instance of them, and naming them as soon as they have reached a certain intensity... flying aircraft in to measure conditions... compiling ...
2
votes
1answer
163 views
Could a firestorm create a hurricane-like cyclone?
Mesocyclones form when air rises and rotates in a "pillar" of sorts. It's sometimes associated with thunderclouds and tornado formation.
A certain kind of cumulonimbus, the cumulonimbus flammagenitus,...
4
votes
0answers
74 views
Does solar wind perturb Earth's magnetic field ? If so, what are the consequences?
The Earth's magnetic field makes continuous battle with external disturbances to protect Earth from unwanted ramifications. Asteroids passing by, solar flares, and other ET disturbances may cause ...
2
votes
0answers
43 views
Visually Realistic Supercell Modeling
Are there any published descriptions of simple equations governing the formation, evolution, and decay of severe storms? Specifically, I am interested in equations that are able to produce tornadoes ...
2
votes
1answer
704 views
What influences the movement (speed and direction) of tropical cyclones?
The recent cyclone to impact the Queensland coast of Australia (Cyclone Debbie, Category 4) tracked towards the coast at what was reported to be a very slow speed (between 6 and 7 km/hr).
Is that a ...
2
votes
1answer
362 views
How can I learn to make mesoscale/synoptic analyses of major weather events?
With the tornado outbreak in southern Georgia and northern/central Florida on Sunday that has tragically resulted in significant loss of life, eyes are once again on the weather. I was particularly ...
2
votes
0answers
159 views
Are thunderstorms on consecutive days due to distinct cold fronts
On the east coast of Australia, the predominant summer thunderstorm pattern seems to be the derecho variety that develops ~300-400 km inland in late morning / early afternoon, and reaches the coast by ...
6
votes
1answer
461 views
How are lightning and thunderstorm intensity linked?
I have lightning data that contains individual strikes and their location, time, polarity, amplitude and type (cloud-to-ground, intracloud). I am trying to develop some metrics that will help me ...
2
votes
1answer
136 views
Why is it so important to gather data from inside tornadoes?
Or, in other words, what kind of data can be gathered from inside tornadoes and how could it help in predicting them? Also, why isn't it possible to predict/estimate this kind of data from readings ...
8
votes
0answers
200 views
Modeling swirling storms
I'm looking to demonstrate the rotational behaviour of swirling storms with a numerical simulation. So far it includes pressure-gradient, Coriolis acceleration, frictional forces and the acceleration ...
1
vote
2answers
280 views
Appearance of Tornado
Does the appearance of a tornado come from the dust or is there some characteristic of swirling wind? Additionally many experiments shows a tornado-like phenomena in a jar of water, is this possible ...
3
votes
1answer
406 views
Website that contains the maps of atmospheric pressure and wind speeds
Is there a website that contains the maps of atmospheric pressure and wind speeds for specific climatic events such as hurricanes day after day ?
7
votes
2answers
250 views
Are Southern Hemisphere 'Polar Blasts' caused by global warming?
The SMH journalist writes about a cold snap hitting the East Coast of Australia in July 2015:
Proof of the big chill will be the extent of regions across Tasmania, Victoria and NSW experiencing ...
7
votes
1answer
175 views
The spiraling cyclone track - Cyclone Nathan
In the northern part of Queensland, Cyclone Nathan has had a spiral type of track, as can be seen below:
Image credit: Tropical Cyclone NATHAN Forecast Track (Joint Typhoon Warning Center)
As can be ...
12
votes
1answer
505 views
Two severe cyclones connected by a monsoonal trough
At the time of writing, areas around the Northern Territory (TC Lam) and Queensland (TC Marcia) in Australia are in the path of severe cyclones (category 4 at the moment, with the Queensland one - TC ...
8
votes
1answer
548 views
Snow from Fire: Could graupel, or even snow, fall from pyrocumulus clouds?
Pyrocumulus clouds often form in areas that experience prolonged fire conditions, particularly forest fires, but are also associated with volcanic eruptions and even nuclear explosions. This question ...
8
votes
1answer
717 views
About the effectiveness of sand-bags
Are there any recognized studies on the effectiveness of sand-bags in protecting property in some disaster or flood? Many times on the major news they talk about how sand-bags are used in a flood , ...
14
votes
1answer
851 views
How does a 'fire tornado' form?
A 'Fire tornado' or 'Firenado' or 'Fire whirl' are a fearful feature of forest fires world wide. Having seen one up close, I can attest that they are both awesome and utterly terrifying, but I am ...
21
votes
1answer
15k views
Do tornadoes have eyes?
In the movie Into the Storm (2014) near the end, storm chaser Pete sees the eye of a massive tornado.
In 1928 (real life), Will Keller was in his barn when a huge tornado passed through. He reported ...
