Synoptic chart wind interpretation

How to estimate wind speed and direction from a synoptic chart.

[@cynikalX]

To the folks wondering about the 20 degrees, and where that came from, well.. the first "wind line" he initially drew with the green line is the geostrophic wind, which is higher up in the atmosphere; at the surface, wind tends to "back" (go counter clockwise, near lows, in the northern hemisphere) 15-20 degrees over the ocean (and as much as 30 degrees over land) especially as warm fronts approach. so the red line is more what the wind we would experience would be like. still all of this is basically educated guesses, large hills/mountain ranges, coastal bays, etc can all affect this further. weather can be pretty complex and differ from these kind of predictions.. a weather man is one of the only jobs where you can be wrong often and still have a job :)

[@j.c.8016]

Thanks for explaining the 20 degrees thumb rule.

[@prideofpilots5261]

this 20* thing works with southern hemisphere too..

[@peterbooker6342]

Is the difference over land due to friction?

[@RWBHere]

Thanks. You've explained to me by mentioning the ~20° offset that the weather charts are not surface winds. I've been missing that information for decades, and always wondered why there has been dome variation of the charts to observed conditions.

[@bobby5031]

When he says, “as provided by the MET Office”, my ears are pleasured.

[@shivnallakhan3383]

Greetings sir. thank you for this short yet detailed video. really helped me a lot and definitly looking foeward for more videos. thank ypu once again. CHEERS!!!

[@algobo]

Fantastic tutorial, thank you so much!

[@doccloudacnh]

I'm hearing wind gust outside of your building.

[@cwprskori]

Hi i need help in understanding method for calculating fetch length, decay distance and radius of maximum wind and central pressure

[@barcalonga]

Thanks very much for this, but, though I understand the general ideas, I’m having trouble picturing what you mean and how you get from 1016-1012 means wind is southerly? Maybe you could talk through how you relate the isobars to the centres of the high and low, and then how you can tell the wind direction between, say, two lows? Thanks again!

[@OmmerSyssel]

Buys Ballot’s Law may be the explanation you're looking for: www.scribd.com/presentation/83073300/BUYS-BALLOT-S-LAW

[@cwprskori]

Great explanation...

[@ericburi789]

where did you get the 20 degrees from and which hemisphere? confusing

[@kristopherendrinal8191]

20 degrees is a rule of thumb. North hemisphere as you can see the british isles. The red dot is on biscay.

[@rahulkumar-my2zc]

Can u please post more videos for wind direction other than near to longitude so i can get more explained

[@rogerkohls7927]

this is good stuff!

[@claussalt4140]

Thx for sharing. Would you be willing to talk about forecasts, showing a synoptic chart for current, and forecast for 24hrs time and talk through what may happen at a specific location where the weather front passes? (Wind direction and speed changes?

[@tekpatekpa5298]

what was that 20 degrees i missed that point , can anyone help me please ?

[@charleshenley2087]

Sea level and opposed to geostropic

[@pocholowells5111]

20 degrees?

[@rafiashraf2769]

Do you hear that? Do you wait until there's a storm outside to record videos lol

[@benrichards1410]

Is that rule reversed in the southern hemisphere

[@Kacevychius]

Ben Richards Yes. Cyclonic motion is responsible for the wind direction and has its direction governed by the Coriolis effect, which means it changes direction with a change of hemisphere.

[@unpredictableraii]

thanks

[@kyranoboyle3378]

Isobars are the direction, low pressure is anti clockwise and high pressure is clockwise

[@lubberwalker]

North of the tropics.

[@marinkljun1047]

North limit : August - February ; Longitude 30° W. (5°N. 1S.) Longitutde 10°W. (0° N. 1S.) Longitude 10°E. (- -)., South limit : August - February Long.30°W (17°S 19S) Long. 10°W (23°S 26 S.) Long. 10°E ( 26°S 33 S)!

[@samw2670]

or you know that low pressure goes in a anti clock wise movement

[@khyleewallace7941]

Hi I am from 2021

[@cappellofamily7718]

-.- lol

[@LaRobertos]

Ok thousand more times but slower nit following

[@buraksahan5145]

I didnt understand anything

[@ele4853]

Bunch of words and did not explain anything... typical british "teaching"...