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326 Questions

Last Answer on December 24, 2019

I wanted to know what the winter outlook of 2018-2019 will be like for the United States?

Asked by Jeremiah Ostrow almost 7 years ago

Hi, Jeremiah. Here is a great site. http://www.cpc.ncep.noaa.gov/

Winds seem to flow along an isobar, but pressure changes between them. Why don't the winds flow in the direction of changing pressure rather than along lines of constant pressure?

Asked by Hal almost 7 years ago

Hi, Hal. Uneven heating of the atmosphere helps create air pressure differences. Mother Nature tries to equalize the imbalance and air moves from high to low. Since the earth rotates the air is subject to Coriolis force and the air is deflected from moving perpendicular to the isobars. Thanks! https://en.m.wikipedia.org/wiki/Coriolis_force

713 Votes

On the East Coast, specifically the Allegheny mountains, are the prevailing winds necessarily from the west? Which is to ask: Is the leeward size of those mountains generally on the east, or rather on the west, as the Atlantic ocean is so close?

Asked by Mrs. Mills over 6 years ago

Hello, Mrs. Mills. Broadly speaking the leeward side of the Allegheny Mountains would be the eastern side, closer to the coast. At any given moment the windward side of anything is that facing the wind. In general terms the broad atmospheric flow is west to east across the United States. Here is a good definition on Wikipedia. Thanks. https://en.wikipedia.org/wiki/Windward_and_leeward

712 Votes

can the temp. drop if its raining

Asked by darrell8675309 over 7 years ago

Yup. Sure can. Cold air moving into an area, cold air advection, can drop the temperature. And something called evaporative cooling can happen when it is raining. The friction with the air caused by falling raindrops can transfer heat to the water vapor and cool the air as well. Great question!

712 Votes

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At what altitude does the weathermen on tv report the wind speeds. Example..5m or 500m?

Asked by Reyna almost 8 years ago

Hi, Reyna. Standard anemometer height is 10 meters.

710 Votes

Once a Tornado warring expires due to weakening or the threat has moved is that extra five or ten minutes them looking at the storm trying to see if it was accurate scans and re development and/or something behind it?
Should I remain in shelter?

Asked by Daniel over 6 years ago

Great question. National Weather Service folks take the tornado expirations very seriously and would most likely issue an extension for any risk. That said, rotation could certainly increase again. An extra five of ten minutes would be a reasonable course of action. I highly recommend a radar app called RadarScope for your phone. It allows you to locate yourself on the map and animate radar so you can see if a storm is moving toward or away from your location. Thank, Daniel.

710 Votes

Why did the siren sound change form a long wail to shorter wails?

Asked by sdafdf about 6 years ago

Siren choice is up to each municipality. You might check with your local county emergency management office. Thanks!

708 Votes

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I wanted to know what the winter outlook of 2018-2019 will be like for the United States?

Winds seem to flow along an isobar, but pressure changes between them. Why don't the winds flow in the direction of changing pressure rather than along lines of constant pressure?

On the East Coast, specifically the Allegheny mountains, are the prevailing winds necessarily from the west? Which is to ask: Is the leeward size of those mountains generally on the east, or rather on the west, as the Atlantic ocean is so close?

can the temp. drop if its raining

Also on Jobstr...

At what altitude does the weathermen on tv report the wind speeds. Example..5m or 500m?

Once a Tornado warring expires due to weakening or the threat has moved is that extra five or ten minutes them looking at the storm trying to see if it was accurate scans and re development and/or something behind it?
Should I remain in shelter?

Why did the siren sound change form a long wail to shorter wails?

TV Meteorologist

Ask me anything!

What do YOU do?

I wanted to know what the winter outlook of 2018-2019 will be like for the United States?

Winds seem to flow along an isobar, but pressure changes between them. Why don't the winds flow in the direction of changing pressure rather than along lines of constant pressure?

On the East Coast, specifically the Allegheny mountains, are the prevailing winds necessarily from the west? Which is to ask: Is the leeward size of those mountains generally on the east, or rather on the west, as the Atlantic ocean is so close?

can the temp. drop if its raining

Also on Jobstr...

At what altitude does the weathermen on tv report the wind speeds. Example..5m or 500m?

Once a Tornado warring expires due to weakening or the threat has moved is that extra five or ten minutes them looking at the storm trying to see if it was accurate scans and re development and/or something behind it? Should I remain in shelter?

Why did the siren sound change form a long wail to shorter wails?

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Once a Tornado warring expires due to weakening or the threat has moved is that extra five or ten minutes them looking at the storm trying to see if it was accurate scans and re development and/or something behind it?
Should I remain in shelter?