Drizzle (also called mizzle) is light precipitation consisting of liquid water drops smaller than those of rain, and generally smaller than 0.5 mm (0.02 in.) in diameter. Drizzle is normally produced by low stratiform clouds and stratocumulus clouds. Precipitation rates due to drizzle are on the order of a millimeter per day or less at the ground. Owing to the small size of drizzle drops, under many circumstances drizzle largely evaporates before reaching the surface, and so may be undetected by observers on the ground. The METAR code for drizzle is DZ.
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Drizzle Band dan Studio. Kemeriahan majlis anda adalah matlamat utama kami
Drizzle Studio Entertainment menawarkan perkhidmatan persembahan secara ... Location : Drizzle Studio (Sepang) Song : She's Gone. 1 comments ...drizzlestudio.blogspot.com/Monty says: What if
You should read Peter Zaitsev's blog about this. ... You can find out more about Drizzle at Brian's blog at http://krow.livejournal.com ...monty-says.blogspot.com/2008/07/what-if.htmlDrizzle — Blogs, Pictures, and more on WordPress
Citrus Drizzle Cake — 1 comment ... An evening drizzle — 2 comments ... Drizzle Banister (044/365 02-13-09) ...en.wordpress.com/tag/drizzle/Main Page - DrizzleWiki
Drizzle - A Microkernel DBMS for High Performance Scale-Out Applications ... [http://planetdrizzle.org/ Planet Drizzle] - blogs about Drizzle ...drizzle.org/mediawiki/index.php?title=Main_Page&diff=657...Drizzle - Jay Pipes
... blogged a short, snide blog post that Drizzle was not the MySQL Drizzle project ... This blog entry is a bit of a written confession from the Sun Drizzle team. ...jpipes.com/index.php?/categories/13-DrizzleDrizzle (also called mizzle) is light precipitation consisting of liquid water drops smaller than those of rain, and generally smaller than 0.5 mm (0.02 in.) in diameter. Drizzle is normally produced by low stratiform clouds and stratocumulus clouds. Precipitation rates due to drizzle are on the order of a millimeter per day or less at the ground. Owing to the small size of drizzle drops, under many circumstances drizzle largely evaporates before reaching the surface, and so may be undetected by observers on the ground. The METAR code for drizzle is DZ.
Effects
While most drizzle has only a minor immediate impact upon humans, Freezing drizzle can lead to treacherous conditions. Freezing drizzle occurs when supercooled drizzle drops land on a surface whose temperature is below freezing. These drops immediately freeze upon impact leading to the buildup of sheet ice on the surface of roads, and very heavy accumulations of ice on power lines, both of which have major impacts.
Occurrence
Drizzle tends to be the most frequent form of precipitation over large areas of the world's oceans, particularly in the colder regions of the subtropics. These regions are dominated by shallow marine stratocumulus and trade wind cumulus clouds, which exist entirely within the marine boundary layer. Despite the low rates of surface accumulation, it is becoming apparent that drizzle actually exerts a major influence over the cloud structure, coverage, and radiative properties in these regions. This has motivated scientists to design more sophisticated, sensitive instruments such as high frequency radars that can detect drizzle. These studies have shown that the quantity of drizzle is strongly linked to cloud morphology and tends to be associated with updrafts within the marine boundary layer. Increased amounts of drizzle tend to be found in marine clouds that form in clean airmasses that have low concentrations of cloud droplets. This interconnection between clouds and drizzle can be explored using high resolution numerical modeling such as large eddy simulation.
Influence of aerosols
It has been hypothesized that increasing the amounts of particulates in the atmosphere through human activities may lead to a suppression of drizzle. According to this hypothesis, because drizzle can be an effective means of removing moisture from a cloud, its suppression could help to increase the thickness, coverage, and longevity of marine stratocumulus clouds. This would lead to increased cloud albedo on the regional to global scale, and a cooling of the planet. Estimates using complex global climate models suggest that this effect may be partially masking the effects of greenhouse gas increases on the global surface temperature. However, it is not clear that the representation of the chemical and physical processes needed to accurately simulate the interaction between aerosols, clouds, and drizzle in our current climate models is sufficient to fully understand the global impacts of changes in particulates.


























