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CaliforniaPeggy

(149,629 posts)
1. I'm guessing it's a matter of degree.......how much rain is supposed to fall.
Sun Jul 22, 2012, 01:46 AM
Jul 2012

Scattered is probably more, while isolated is less.



Enjoy your welcome rain!

a kennedy

(29,672 posts)
3. Thank you....we will enjoy the rain.....
Sun Jul 22, 2012, 02:06 AM
Jul 2012

our famous governor, ugh, walker, has determined our area as drought stricken, so we'll get relief from the Federal Government.......it's really bad here...and this rain for the next 5 days will help so much.

a kennedy

(29,672 posts)
4. Thank you for this info.....
Sun Jul 22, 2012, 02:08 AM
Jul 2012

I'm bookmarking it for further reference and to tell my friends. We all talk about it, but now, I'll be able to say for certain what it is. Thank you so much.

Major Nikon

(36,827 posts)
5. In both cases they generally appear at mid-day until sundown
Sun Jul 22, 2012, 03:04 AM
Jul 2012

They are the result of convective air currents that force moisture vertically. So they start to appear during the warmer part of the day and generally go away once the sun goes down. They also tend to stay in once place until they dissipate.

 

byeya

(2,842 posts)
8. About the same as scattered clouds and isolated clouds. It's an old Weather Bureau
Sun Jul 22, 2012, 09:09 AM
Jul 2012

term. For field observations there were the choices of Clear - Scattered Clouds - Broken Clouds - Overcast.
My guess is that's an old and useful classification system.

Denninmi

(6,581 posts)
9. Here are the NWS definitions from their weather terminology glossary
Sun Jul 22, 2012, 09:12 AM
Jul 2012
Isolated
A National Weather Service convective precipitation descriptor for a 10 percent chance of measurable precipitation (0.01 inch). Isolated is used interchangeably with few.


Scattered
When used to describe precipitation (for example: "scattered showers&quot - Area coverage of convective weather affecting 30 percent to 50 percent of a forecast zone (s). When used to describe sky cover: 3/8th to 4/8th (sky cover is measured in eighths or oktas) of the sky covered by clouds. In U.S. weather observing procedures, this is reported with the contraction �SCT.�

Honeycombe8

(37,648 posts)
12. Hmm. I'd guess scattered means off and on in the dayin a lot of places while isolated means once in
Sun Jul 22, 2012, 10:24 AM
Jul 2012

various places skipping other places entirely? Just a guess. I never really thought about it.

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