LY777
Topic Author
Posts: 2270
Joined: Fri Nov 25, 2005 6:58 pm

Turbulences Map

Mon Dec 12, 2005 5:40 am

I am going to fly to Israel next week and I would like to know if there is a website where I could find a map which shows the areas of turbulences.
Thanks
sacha

ps:I hope this is the right forum
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SWISSER
Posts: 1568
Joined: Sat Feb 12, 2005 11:31 am

RE: Turbulences Map

Mon Dec 12, 2005 6:40 am

I know the NOAA has charts for the public, but only continental USA I believe.
What time is top of descent?
 
pilottim747
Posts: 1577
Joined: Tue Jul 17, 2001 2:34 pm

RE: Turbulences Map

Mon Dec 12, 2005 2:05 pm

Aviation Photographers & Enthusiasts--Coordinate your life.
 
Gatorman96
Posts: 806
Joined: Wed Dec 07, 2005 2:22 am

RE: Turbulences Map

Mon Dec 12, 2005 2:13 pm

Cha brro
 
Grbld
Posts: 349
Joined: Tue Dec 06, 2005 9:25 pm

RE: Turbulences Map

Mon Dec 12, 2005 6:48 pm

Sure, here's exactly what you need: European Significant Weather Chart (SWC)

Throughout the chart, you can see dashed areas (broken lines around it) and a number in a box. These refer to the boxed numbers in the legend in the "CAT AREAS" column. These are areas of Clear Air Turbulence, usually associated with jet streams (the big black lines and arrows you see). The icon next to the boxed number in the legend tells you how much turbulence you can expect. -^- means moderate turbulence, if you get that symbol with an extra ^ above it, that means severe turbulence (= not nice). There's also two numbers beside each icon, for example 420 and 340, which means the CAT area extends from FL340 (34000 ft) up to FL420 (42000 ft).

As you can see, light turbulence is not noted on the chart but you can expect this near jetstreams (especially entering them or exiting them, many times IN the jetstream itself, it may be completely smooth) and in the clouded areas, which are usually thunderstorm activity.

So now you can also check if you'll have a headwind or not. When you see a solid triangle attached to a jetstream vector, that counts for 50 knots and each attached line counts for 10 knots. Just add them up and you have the wind speed. The FL near the windspeed indicator tells you how high it is at max intensity.

Have fun!

Grbld
 
TheSonntag
Posts: 4303
Joined: Wed Jun 15, 2005 7:23 pm

RE: Turbulences Map

Mon Dec 12, 2005 7:12 pm

As long as you don't fly to Rijeka, Croatia, you don't have to worry  Wink
 
BBJII
Posts: 831
Joined: Tue Jul 26, 2005 7:22 pm

RE: Turbulences Map

Mon Dec 12, 2005 9:13 pm

It's difficult to predict any turbulance, unless you know what FL you will be at.

Bear in mind that the flightplanners will be looking at the charts and aircraft performance / weight data, when they file the plan.

Wind charts will show you were the winds are, what direction they are going in, and how strong the are, and the altitude of concern.

Best bet:

Ask the crew(FD if you see them), what the strongest wind is enroute:

1-4 don't worry
5-8 maybe a bit bumpy
9-10 stay in your seat

then ask how long before you get there.

I done it once....i was told 9 after about 1 hour, for about 1 minute.

 wave 

If you try to talk the talk - most crew will respond  Smile
Remember: The Bird Hit You, You Didn't Hit The Bird.....
 
OB1783P
Posts: 310
Joined: Mon Sep 22, 2003 9:49 pm

RE: Turbulences Map

Tue Dec 13, 2005 8:09 am

Quoting LY777 (Thread starter):
I am going to fly to Israel next week and I would like to know if there is a website where I could find a map which shows the areas of turbulences.

C'est drôle. When I read the question, I thought you meant political turbulence, you know, Tel Aviv, you're OK, but Netanya, watch out, and so on. Have a safe trip!
I've flown thousands of miles and I can tell you it's a lot safer than crossing the street!

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