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Topic: Lake-effect snow

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Lake effect snow - Wikipedia, the free encyclopedia Lake effect snow, also called a snowsquall, is produced in the winter when cold winds move across long expanses of warmer lake water, picking up water vapor which freezes and is deposited on the lee shores. Lake effect snows at the Tug Hill Plateau on the southeastern side of Lake Ontario frequently set the daily records for snowfall in the United States. Lake effect of extremely cold air over still warm water in early winter can produce thunder snow, a snow storm with intense lightning and thunder. en.wikipedia.org /wiki/Lake_effect_snow   (603 words)

Snow - Wikipedia, the free encyclopedia Snow is precipitation in the form of crystalline water ice, consisting of a multitude of snowflakes. Snow is commonly formed when water vapor undergoes deposition high in the atmosphere at a temperature of less than 0°C (32°F), and then falls to the ground. Where snow is scarce but the temperature is low enough, snow cannons may be used to produce an adequate amount for such sports. en.wikipedia.org /wiki/Snow   (905 words)

Lake Effect Snow Lake effect snow occurs often during the winter months. This is attributed to Lake Ontario because of its geographic proximity. Due to the heat and moisture that the lake puts into the overlying air, the air close to the surface is very buoyant. web.syr.edu /~wrt405/normal/Lake_Effect.html   (379 words)

Lake/Ocean Effect Snow: Basic Ingredients One of the basic contributors to lake/ocean effect snow is the unstable lapse rate generated by the relatively warm water surface underlying the cold atmosphere during the cool season. All of these warm water sources for lake/ocean effect snow also share the characteristic that they are situated in areas over which cold polar or arctic air masses frequently migrate in the cool season, which makes them climatologically favorable for the occurrence of lake/ocean effect snow. The lake/ocean effect process can occur any time that the overlying air mass is sufficiently colder than the water surface, but the occurrence of snow typically commences in November for the lower Great Lakes, and earlier at higher latitudes. deved.meted.ucar.edu /norlat/snow/lake_effect/1_lo_snow_basic_ingredients.htm   (3802 words)

Lake Effect Snow Storm "G" Lake Effect Snow Storm "G" Lake Effect snow storm "G" dropped 37.9 inches at the Buffalo airport in 24 hours (Dec. 9-10, 1995), making it the greatest snowfall recorded at Buffalo since record keeping began in 1884. NWS Buffalo's volunteer snow spotter network contributed the vast majority of measurements for this map. www.wbuf.noaa.gov /g.htm   (52 words)

Impacts of Climate Change in the Great Lakes Despite this significant increase in precipitation, lake water levels are expected to fall by 1.5 to 8 feet by 2100 because of the higher temperatures, with serious implications for ecosystems and the economy. Aquatic ecosystems of the Great Lakes region support delicate, deeply interconnected webs of life which are highly adapted to the physical (and biochemical) characteristics and cycles of the lakes themselves. If primary production in lakes declines as projected, stocking strategies may be required to rebuild stocks of native species that have survived in the lakes through centuries of post-glacial change. www.climatehotmap.org /impacts/greatlakes.html   (2034 words)

NOAA Home Page - Question of the Month Lake-effect snows are common over the Great Lakes region because these large bodies of water can hold their summer heat well into the winter, rarely freeze over, and provide the long fetch which allows the air to gain the heat and moisture required to fuel the snow squalls. Lake-effect snow cloud bands are remarkably persistent and have been known to cause continuous snowfall for as long as 48 hours over a sharply defined region—an amount that often exceeds that of a typical winter storm (i.e., one associated with a low pressure). Lake effect snows yielding as much as 193 cm (76 inches) of light-density snow in 24 hours and fall rates as high as 15 cm (6 inches) per hour have been reported. www.noaa.gov /questions/question_011602.html   (1420 words)

Lake/Ocean Effect Snow Outline In the conceptual example over Lake Ontario, west-southwest winds may result in a snow band along or near the north shore, west winds favor a snow band over the center of the lake, while west-northwest flow results in a snow band near the south shore. Single, wind-parallel snow bands generally develop when the prevailing low-level flow is more nearly parallel to the long axis of an elliptically-shaped lake or bay (see conceptual model). There are also less frequent occurrences of snow bands exhibiting characteristics similar to both single and multiple bands, and in rare cases a mesoscale vortex may develop near one end of an elongated body of water. meted.ucar.edu /norlat/snow/lake_effect/2_lo_snow_banding_processes.htm   (989 words)

Lake Effect Snow Lake effect snowfall can account for 30% to 60% of the total snowfall at some locations immediately to the lee of the lakes. The major lake effect snowbelts are clearly shown by the darker shaded areas. Climatic "lake effects" stem from the water surface that the lakes expose to the atmosphere and from the contrasting physical properties of land and water. www.geo.msu.edu /geo333/lake_effect_snow.html   (400 words)

LAKE-EFFECT SNOW FORECASTING The temperature difference between the lake and the 850 millibar level is usually greater than 13° C for significant lake-effect snow to occur. There are many reports of 2 or more feet of snow falling in a 24-hour period during several different lake-effect events. The snow is most intense in the late Fall and early Winter because the temperature gradient between the lake and the cold air is at a maximum in this time period. www.theweatherprediction.com /winterwx/lesnow   (1605 words)

A LAKE-EFFECT SNOW IN ARKANSAS Once cold advection set in, the lake-effect snow ended, to be replaced by a more widely based light snow that fell from a more extensive layer of cold air stratocumulus. The general characteristics which Bluestein (1993) indicated were necessary to create a lake-effect snowfall fell neatly into place and the event occurred. Light snow was occurring across portions of southern Missouri as shown by the banded imagery on the Springfield, Missouri, WSR-88D at 1254 UTC (Fig. www.srh.noaa.gov /topics/attach/html/ssd97-21.htm   (1295 words)

USATODAY.com - Lake effect snow slows traffic in Utah The "bathtub" in Wednesday's storm that contributed to snow on the valley floor was the Great Salt Lake which — along with the Great Lakes — is one of two water masses in the country known for this climatic phenomenon. SALT LAKE CITY (AP) — Motorists on Interstate 15 in northern Utah crawled along at school-zone speeds Wednesday morning, slipping and sliding on snow that came from the air — and the Great Salt Lake. Snow fell at between 2 and 3 inches per hour in the backcountry, according to the Utah Avalanche Center. www.usatoday.com /weather/stormcenter/2005-03-30-utah-snow_x.htm?csp=34   (613 words)

Lake-effect snow Sometimes the lake-effect snow is concentrated along a narrow band due to mesoscale flows around the lake, in particular a landbreeze from one or opposing shores, e.g. For instance, 50 cm of snow may accumulate over the course of a few days near the shore, and 50 km from the lake shore the ground may be bare. Certainly this effect is important in the case of Lake Baikal in Siberia. www-das.uwyo.edu /~geerts/cwx/notes/chap10/lake_effect_snow.html   (834 words)

The Snow Accumulation Algorithm The snow water ratio is the number of inches of SD per inch of S or the inverse of the snow density. The SAA was predominately developed from high quality hourly snow gage data, and some adjustment may be needed when comparing the algorithm's output to longer periods of actual accumulation, for example to snow totals taken once every three hours, six hours, once per day, or once at the end of the storm. In addition, in the Cascades (Stevens Pass, WA) the median snow water ratio is 12.5:1, and at Anchorage, Alaska the median snow water ratio is 14.3:1. www.nssl.noaa.gov /~watads/snow/snow.htm   (3130 words)

Lake Effect Snow Prediction Page Lake effect snows are particularly important winter phenomena to a meteorologist because of the enormous amounts of snow that often occur over localized, and sometimes heavily populated, regions downwind of the Great Lakes (Sykes 1966, Niziol 1989). In conjunction with the ongoing Lake-effect snow project being conducted by the National Weather Service, a user-friendly and highly interactive computer application has been developed that uses high resolution numerical weather prediction data to enhance the local forecasts of mesoscale snowstorms near the Great Lakes. The scale of lake snows span the mesogamma (2-20 km) to mesobeta (20-200 km) as classified by Orlanski (1975). www.wbuf.noaa.gov /respap2.htm   (2217 words)

USATODAY.com This is why the heaviest lake effect snow falls on hills inland from the great lakes. Convergence increases the amount of snow that's falling on the land compared with the amount falling on the lake. Places along the southern and eastern sides of the Great Lakes are famous for the huge amounts of snow that fall on them. www.usatoday.com /weather/wlakeeff.htm   (321 words)

Talking points for Lake-effect snow session The Lake Ontario snowband develops a single intense band due to the wind flowing parralel to the long axis of the lake, maximizing the fetch. Snow is already occuring in southwest NY and a snowband is evident over Lake Ontario. Topography of the Great Lakes - note areas in your CWA where snowbands may be enhanced by upslope flow. rammb.cira.colostate.edu /visit/les_talk.html   (2344 words)

Lake Superior In these images from the winter of 1994-95, lake effect snow squalls can be observed. The snow squalls are generated as point sources in the lake, and allign themselves parallel to the prevailing wind. There are "snow shadows" in the lee of the Keweenaw, the Apostle Islands in Wisconsin, and Pie Island, northwest of Isle Royale. www.geo.mtu.edu /rs/avhrr/lake   (226 words)

The News-Herald - News - 12/21/2000 - Winter has arrived Yet while reliable total snow depth information is largely unavailable, the mechanics that lead to the formation of lake-effect snowstorms are better understood. Winds that are more northwesterly usually pummel the traditional Snow Belt region of southern Lake County and the highlands of Geauga County, especially Montville, Thompson, Chardon and Hambden townships. "On the average, most locations in inland Geauga, Lake and Ashtabula counties and portions of eastern Cuyahoga County get anywhere from 85 to 105 inches of snowfall a season," Kosarik said. zwire.com /site/news.cfm?newsid=1199485&BRD=1698&PAG=461&...&rfi=6   (636 words)

Veterans Day Lake Effect Snowstorm: November 9-14, 1996 in the Great Lakes The squalls may persist for hours in favored locations to the lee of the lakes, resulting in the famous lake effect snowstorms we hear so much about. The Veteran's Day storm of November 9-14, 1996 may be the most severe early season lake effect snow (LES) storm the Great Lakes has witnessed in the past fifty years. These favored locations are called the "snowbelts" and are generally found to the south and east of all of the Great Lakes. ww2010.atmos.uiuc.edu /(Gh)/arch/cases/961109/home.rxml   (509 words)

Snow Lake Shores, Mississippi - Wikipedia, the free encyclopedia Snow Lake Shores is a town located in Benton County, Mississippi. Snow Lake Shores is located at 34°49'26" North, 89°14'30" West (34.823963, -89.241555) en.wikipedia.org /wiki/Snow_Lake_Shores,_Mississippi   (396 words)

Snow Snow Lake Shores, Mississippi Snow Lake Shores is a town located in 2000 census, the town had a total population of 300.... Snow Dome Snow Dome is a massif resembles a dome. Snow blower A snow blower or snowblower is a machine for removing snow from an area where it is not wanted, such as a dr... www.brainyencyclopedia.com /topics/snow.html   (853 words)

11 January 1999 -- Lake Effect Snow Bands in Western New York Lake Effect Snow (LES) bands formed over Lake Erie and Lake Ontario on 11 Januray 1999, and affected parts of western New York state with snowfall rates of 1 to 3 inches per hour. One factor that is important in forecasting the occurrence and severity of LES is the difference in temperature between the relatively warm lake water and the cold air within the lowest 1-2 km of the troposphere. The synoptic-scale southwesterly flow was oriented along the axis of Lakes Erie and Ontario, allowing a long fetch of cold air (air temperatures near 10 F / -12 C) over the warmer water (non-frozen, water temperatures 32 to 43 F / 0 to +6 C). cimss.ssec.wisc.edu /goes/misc/990111.html   (422 words)

lake effect snow A typical lake effect season will produce about 115 inches of snow, mainly early in the season and then again in the spring. This was the worst lake effect snow we have seen during our time here. Karen shoveling waist deep snow from the lower roof. my.stratos.net /~guywilson/lake.htm   (124 words)

ABC News: Rain and Snow Pound the West Moderate to heavy amounts of lake effect snow are forecast for western New York. Rain and Snow Pound the West; Rain and Snow Persist in the Plains and Mississippi Valley Rain will drench the West, with snow forecast for higher elevations of the Pacific Northwest, Great Basin, northern and central Rockies and California. abcnews.go.com /US/wireStory?id=514472   (200 words)

All About Snow Have Snow Shovel, Will Travel describes how we have dealt with snowstorms in cities in the United States since the 1700's. If you want to know why snow is white, or why forecasting snow can be so difficult, this is the section for you. Snow in the News lists the latest links to news site stories about snow. nsidc.org /snow/index.html   (286 words)

WZZM13.com - Lake Effect Snow This snow, known as lake-effect snow, is caused by the temperature contrast between the cold air moving over the Great Lakes and the warm water in the Great Lakes. The snow squalls that fall near the Great Lakes are often very local with some places receiving a couple inches and others getting more than a foot. During early winter, heavy snow squalls often fall downwind of the Great Lakes behind strong cold fronts. www.wzzm13.com /lakeeffect.asp   (246 words)

LAKE EFFECT SNOW QUESTIONS The more questions that are answered YES, the greater the likelihood for heavy lake effect snow. Is the average lake water temperature greater than 13° C more than the 850 mb temperature AND is lake unfrozen? Is the fetch of wind over the lake greater than 100 kilometers? www.theweatherprediction.com /winterwx/lesnow/tree   (109 words)

The News-Herald - News - 11/22/2000 - Holiday blanket Ashtabula County wasn't the only county hit by lake-effect snow, but was the hardest hit. In Lake County, two tractor trailers reportedly went off the road into the ditch on Ford Road, according to the Madison Township Fire Department. Conneaut residents spent much of their morning digging out from a foot of snow, while the Ashtabula area received 9 inches. zwire.com /site/news.cfm?newsid=1102927&BRD=1698&PAG=461&...&rfi=6   (748 words)

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