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I'm from Australia where we don't have so many kinds of precipitation. I'm familiar with these:

  • rain
  • hail
  • snow
  • sleet

As I understand it, sleet refers to frozen rain but I'm not totally familiar with it. Right now I'm not in Australia but Georgia, the former Soviet republic. And at the moment it's raining but not just rain. There's also some mushy snowflakes falling. I've never seen this before and wonder if we even have a word for it in English. Would it be referred to as sleet after all? It's 2 degrees above zero centigrade now so frozen rain seems unlikely.

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Sleet is the correct answer. See the OED entry I posted below. –  tchrist Feb 18 '12 at 15:57
    
Well it seems there are two senses of sleet: 1) rain freezing on the way down and 2) snow melting on the way down. –  hippietrail Feb 18 '12 at 16:48
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I always thought of slush as the stuff on the ground made of water, snow, and ice which has been through some thawing and freezing cycles. I never thought of it as stuff falling from the sky. But I'm not from a snowy place. –  hippietrail Feb 19 '12 at 11:07
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@tchrist: Living in the Northeast of the U.S., and having experienced all of these, I can say that it is quite easy to tell the difference between ice pellets (aka sleet), snow, rain, and hail. The only ones that might be confused are ice pellets and small hailstones. However, hail nearly always occurs during thunderstorms (generally in the summer around here), and the smallest hailstones I've seen were quite a bit bigger than ice pellets ever are. –  Peter Shor Feb 22 '12 at 21:23
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@hippietrail is correct wrt slush - except that it can contain a fair amount of mud as well... –  Drew Aug 2 at 1:19

8 Answers 8

up vote 21 down vote accepted

Sorry, I believe the answer is "sleet":

Rain and snow mixed (also known as sleet) is precipitation composed of rain and partially melted snow. This precipitation can occur where the temperature in the lower part of the atmosphere is slightly above the freezing point (0 °C or 32 °F). Its METAR code is RASN.

Meteorologists around my geographical area (New England) refer to it as a "wintry mix" most of the time. But it's clear that "sleet" is what is meant here.

From the Wikipedia entry for rain and snow mixed.

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5  
+1 for "wintry mix." –  Sonic42 Feb 18 '12 at 16:38
    
"Wintry mix" looks to be a pretty new addition to the language. First appearance in ngram viewer is 1998. It doesn't really catch on til 2005: books.google.com/ngrams/… –  Wayfaring Stranger Feb 18 '12 at 17:27
    
"wintry mix" in the Mid-Atlantic region (Maryland, New York, and Washington DC radio announcers come to mind) as well –  sq33G Feb 19 '12 at 8:41
    
Ugh..."wintry mix." I consider that expression another example of American vulgarism. This is why I don't watch TV. I remember reading about S.T. Coleridge's revulsion to learn of the popularity of the neologism "talented" in his day. He would not be disgusted by the current state of our language, but perhaps truly terrified. –  Gavin Emich Feb 21 '12 at 22:54
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@Gavin: You can't stop change, especially in language. Despite his deliberate anachronisms, hearkening back to an earlier age, his ancestors would no doubt have considered his use of language to be too "modern" for their taste. –  Robusto Feb 21 '12 at 23:27

It's not sleet — that's tiny ice pellets which generally fall in winter. Hail is also ice pellets, but they are produced by a different meteorological process, and can occur any time of year.

If there's a word for snow and rain at the same time, it's so obscure that the weathermen around here (Boston) don't know it. This often happens when it starts raining, and then becomes cold enough to snow, or vice versa. The weather reports usually call this "rain changing to snow", "snow changing to rain", "a mix of snow and rain", or "a wintry mix".

UPDATE: While it seems that nowadays, some people use sleet for a mixture of snow and rain, this is the original meaning of sleet. From the Encyclopaedia Perthensis, Edinburgh, 1816:

SLEET. n. s. [perhaps from the Danish, slet.] A kind of smooth small hail or snow, not falling in flakes, but single particles.

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Google "define sleet" Rain containing some ice, as when snow melts as it falls. Unless what OP is talking about is something we don't get in the UK, I think sleet is in fact the word. It's certainly the one Brits use for what we get. –  FumbleFingers Feb 18 '12 at 13:26
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@FumbleFingers: Interesting. I don't believe that's what sleet means in the U.S. Merriam-Webster defines sleet as frozen or partly frozen rain, and my impression was that sleet needed to have some ice in the mix, and not just rain and snow falling at the same time. –  Peter Shor Feb 18 '12 at 13:35
    
It's mostly rain but you can see some particles are falling more slowly and if you stand in it they look like mushy snowflakes when they land on you before they melt. –  hippietrail Feb 18 '12 at 13:47
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@PeterShor I’m a Wisconsin native living in Colorado — two decidedly snowier-than-average states — and I would certainly call it sleet. The OED’s sense 1a for its entry on sleet seems to agree with me: “Snow which has been partially thawed by falling through an atmosphere of a temperature a little above freezing-point, usually accompanied by rain or snow.” –  tchrist Feb 18 '12 at 15:53
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I worked in aviation for 20 years. Sleet is ice pellets ... NOT a mixture. It is often mixed with rain, but the mixture itself is not sleet. –  AnWulf Feb 19 '12 at 13:32

According to Weather.com's glossary of meteorological terms, sleet is:

Also known as ice pellets, it is winter precipitation in the form of small bits or pellets of ice that rebound after striking the ground or any other hard surface.

It's not a single word, but the term I have seen used for mushy snowflakes on Accuweather.com and other weather forecast sites is often rain with snow flurries, defined as:

Light showers of snow, generally very brief without any measurable accumulation

A heavier version of snow flurries is snow showers (which is considered to be different from snow fall):

Frozen precipitation in the form of snow, characterized by its sudden beginning and ending

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With regard to the dispute over what exactly sleet is, I note that Dialect Notes, volume 4, part 4 (1916), devotes an entire page to a communication received from the chief of the U.S. Department of Agriculture’s Weather Bureau, which states:

Sir: There has been some discussion in this Bureau as to the way the term “sleet” should be used for official purposes. A search of dictionaries and of a large amount of technical and non-technical literature appears to establish the following facts:

(1) In England “sleet” means usually, though not invariably, a mixture of raindrops and snowflakes.

(2) In this country the term “sleet” has nearly always been applied in the meteorological literature to some form of water which is in a frozen state before reaching the ground; viz., either small particles of clear ice (often mingled with rain or snow), or little snow-like pellets, differing in structure from true hailstones, but often called “winter hail,” or “soft hail.” (In German the latter form of precipitation is commonly called Graupel, and this name is sometimes used in English texts. The French equivalent is grésil.)

(3) Non-meteorological usage in this country varies; comprising the uses noted above under (1) and (2), and also another, in accordance with which the term “sleet” is applied to a coating of ice on terrestrial objects formed by rain which freezes after contact with such objects. When this coating is heavy, and especially when it results in the breaking of branches, wires, etc., the phenomenon as a whole is often called an “ice storm.” This use of the term “sleet” is common in the newspapers, and also in engineering literature, particularly in reference to accumulations of ice, due to rain, on wires and rails. In England the specific name for this form of ice is usually “glazed frost,” and this term is used officially by the British Meteorological Office. The name “silver thaw” has also been applied to it, in both Great Britain and the United States, but this expression is so inappropriate and misleading that it is avoided by most scientific writers.

The Bureau will feel indebted to you for any information you may be able to supply as to the use or uses of the term “sleet” current in your vicinity, and also as to the meaning which, in your experience, most commonly attaches to the term in contemporary speech and literature. Information would also be appreciated concerning the etymology and history of the word “sleet,” in case you are able to add anything to what is found in the latest editions of the New English, Century, New International, and Standard Dictionaries.

Very respectfully,

C. F. Marvin, Chief of Bureau

United States Department of Agriculture, Weather Bureau

So in all likelihood conflicting definitions of sleet go back at least a hundred years.

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  1. Snow Pellets (GS)- A snow pellet is precipitation that grows by supercooled water accreting on ice crystals or snow flakes. Snow pellets can also occur when a snowflake melts about half way then refreezes as it falls. Snow pellets have characteristics of hail, sleet and snow. With sleet (ice pellets), the snowflake almost completely melts before refreezing thus sleet has a hard ice appearance. Soft hail grows in the same way snow pellets can grow and that is ice crystals and supercooled water accreting on the surface. Snow pellets will crush and break apart when pressed. They can bounce off objects like sleet does. Snow pellets have a whiter appearance than sleet. Snow pellets have small air pockets embedded within their structure and have visual remnants of ice crystals unlike sleet. Snow pellets are typically a couple to several millimeters in size.
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If you are from Australia then "snairing" would make sense.

Example It is snairing right now. (snairing = snow and raining)"

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Are portmanteaux popular in Australia? I am just curious about why "snairing" would make sense to an Australian. I'm not even sure if that IS exactly a portmanteau, though, since the letters are re-ordered. I suppose I have a question to ask in a new post! –  Gavin Emich Feb 21 '12 at 22:49
    
@GavinEmich : Guess what, I mentioned it to few people, if it is snowing and raining then would calling it snairing would make sense? they seemed ok with it –  Arjang Feb 22 '12 at 9:59
    
Snairing presumably could have helped with the rabbit problem in Australia (if not outlawed), but of course much of the continent/island (whatever one is calling it these days) has a dearth of precipitation in all forms, including snair. –  Drew Aug 2 at 1:26

I would say Snain, simply because Raiow sounds ridiculous.

We have an odd occurrence out here where the snow will be 10 to 20 feet above ground before it finally becomes rain, and stays as water puddles after hitting the ground.

I can’t call this sleet since our terminology of sleet refers to freezing rain or wet snow that becomes ice patches on roads (which is much more dangerous), and we can’t call it snow because out here snow means igloos and snowball fights.

So snain it is then; it will catch on.

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Let me be the first to say "Not convinced" :) –  Andrew Sep 22 '12 at 5:43
    
Snain sounds like something a facial tissue could come in handy for. But you are correct that raiow sounds ridiculous. –  Drew Aug 2 at 1:24
    
I've actually heard 'Snain' used in conversation here in NY; but it's definitely rare and not particularly useful. –  LessPop_MoreFizz Aug 2 at 17:49

My first guess would be slurry because it's a mix of water and any of several finely divided substances which should apply to snow, which is finely divided ice.

Source: SWAG, confirmed by Google Define Slurry.

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Don't forget smoothie. (Think I'll head over to Jamba Juice now...) And then there is shave ice, but to be sure we should check with a Hawaiian meteorologist. –  Drew Aug 2 at 1:22
    
Not to be confused with that frozen drink from a popular convenience store, of course. –  SrJoven Aug 2 at 1:28
    
No, that's a form of slush. But seven of one, a dozen minus one of the other... –  Drew Aug 2 at 1:31

protected by RegDwigнt Sep 21 '12 at 22:47

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