Sponsor Message:
Civil Aviation Forum
My Starred Topics | Profile | New Topic | Forum Index | Help | Search 
Cloud Tops  
User currently offlineBobprobert95 From United States of America, joined Feb 2001, 61 posts, RR: 0
Posted (15 years 3 months 3 days 11 hours ago) and read 4877 times:

I am looking for pilot information on cloud tops. I can find ceiling data easily, but nothing pertaining to at what altitudes those clouds cease. Can someone help me out?


4 replies: All unread, jump to last
User currently offlineXFSUgimpLB41X From United States of America, joined Aug 2000, 4300 posts, RR: 34
Reply 1, posted (15 years 3 months 3 days 9 hours ago) and read 4854 times:

It depends on the type of cloud... cumulonimbus clouds are clouds with extensive vertical development and can start at 3000 feet and go all the way up to 60000 feet if they are severe.

I have never really seen cloud top data except on thunderstorms and also they will usually tell you if there are layers... try checking the PIREPS..those sometimes have cloud top data.

Chicks dig winglets.
User currently offlineKROC From , joined Dec 1969, posts, RR:
Reply 2, posted (15 years 3 months 3 days 9 hours ago) and read 4848 times:

If you can get access to a NEXRAD radar site, you can find out cloud tops there, in various ways.

User currently offlineRed Panda From Hong Kong, joined Jun 2000, 1521 posts, RR: 0
Reply 3, posted (15 years 3 months 3 days 7 hours ago) and read 4837 times:

Ceiling (cloud bottom) is much more well known than clould tops. As a matter of fact, cloud like cumulonimbus can extend vertically in a very short time say an hr. It's sometimes hard to predict the cloud tops. I was once on NW11, DTW to NRT, the pilot just told us that we had to increase altitude since there was cloud developing just beneath us. I can see that we were flying along the edge of cloud top and there was quite strong turbulence. I can actually feel the plane increasing its altitude rapidly. (my ears got sick)

r panda

User currently offlineBuff From Australia, joined Mar 2007, 0 posts, RR: 1
Reply 4, posted (15 years 3 months 3 days 1 hour ago) and read 4816 times:

In an ISA (ICAO Sstandard Atmosphere), the tropopause is between 35,000 and 36,000 feet. It is usually defined as the level of maximum wind. At the trop, the temperature should also stop decreasing. Close to the equator (up to +/- 23.5 degrees depending on season) the trop is at its highest height; close to the poles, at its lowest.

Normally CB tops don't exceed the tropopause. However, during periods of extreme vertical activity, the tops may exceed the trop quite dramatically.

I have seen CB tops in excess of 70,000 feet in the south Pacific; and tops in excess of 50,000 feet in Alberta!

Volcanic plumes can also well exceed the trop.

Best Regards,


Top Of Page
Forum Index

This topic is archived and can not be replied to any more.

Printer friendly format

Similar topics:More similar topics...
DC-10 Fire Bomber Grounded After Grazing Tree Tops posted Tue Jun 26 2007 20:32:18 by FATFlyer
Cloud Dancer Aviation Seneca Crashes posted Mon Jun 11 2007 06:07:21 by AdamWright
STC, St.Cloud, MN Spotters, Heads-up posted Wed Mar 21 2007 14:42:32 by Pilotfox
SLC Airport Tops Nation For Timely Arrivals. posted Sun Jul 16 2006 23:35:46 by DLSLC
"HA Tops Magazine's List" posted Wed Jun 21 2006 09:02:43 by HnlBoi
Report: Airbus Tops Boeing In 2005 Orders posted Wed Jan 18 2006 00:31:14 by AerospaceFan
First Choice Tops UK Punctuality League Table posted Mon Jan 9 2006 09:07:04 by Rick767
Reuters: Boeing Tops Airbus In Orders For 2005 posted Fri Jan 6 2006 17:33:49 by KJFK31L
Newport News Airport Tops Norfolk For LaGuardia-bo posted Thu Dec 22 2005 23:27:10 by LesMainwaring
Cloud Shadow At MUC posted Sun Jul 10 2005 02:39:50 by PROSA
USA Today: B6 Tops US Carriers In Service, Quality posted Wed Sep 15 2010 17:05:20 by Tigerguy
KLM Holds Out On Ash Cloud Compensation posted Tue Aug 17 2010 02:35:15 by Pe@rson
Air Traffic In May Tops Pre-crisis Levels: Iata posted Tue Jun 29 2010 12:06:57 by LAXDESI
New Ash Cloud In Europe #2 posted Mon May 17 2010 05:37:02 by SA7700
Interesting Ash Cloud Diversions posted Mon May 17 2010 00:21:26 by Ushermittwoch
New Ash Cloud Heading To Europe, Nearing Africa posted Mon May 3 2010 09:56:03 by oa260
Did Airlines Cheat Passengers During Ash Cloud? posted Mon Apr 26 2010 13:50:48 by mrcomet