Last edited by Shakora
Saturday, July 25, 2020 | History

2 edition of Great Lakes ice cover, winter 1974-75 found in the catalog.

Great Lakes ice cover, winter 1974-75

George A. Leshkevich

Great Lakes ice cover, winter 1974-75

by George A. Leshkevich

  • 282 Want to read
  • 2 Currently reading

Published by U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, Environmental Research Laboratories in Boulder, Colo .
Written in English

    Places:
  • Great Lakes (North America)
    • Subjects:
    • Ice on rivers, lakes, etc. -- Great Lakes (North America)

    • Edition Notes

      StatementGeorge A. Leshkevich.
      SeriesGLERL contribution ;, no. 78, NOAA technical report ERL ;, 370 :, GLERL ;, 11, NOAA technical report ERL ;, 370.
      Classifications
      LC ClassificationsGB1798.4.G7 L46
      The Physical Object
      Paginationiv, 39 p. :
      Number of Pages39
      ID Numbers
      Open LibraryOL4690821M
      LC Control Number77602364

      Since , the average maximum ice cover extent for the Great Lakes has been just 50%, and in those four decades, the ice extent has surpassed 80% just five times. (In , just % of the.   The Great Lakes region saw a 10 per cent increase in the frequency and intensity of heavy rain and snow events in the last years. Without ice cover, these snowfalls will be even more dramatic. Move the slider to view ice cover on the Great Lakes in vs.

        The Great Lakes are again icing up and approaching the record. See this post for more. Original post: February 26th, , a.m. This frigid winter has us watching the record books again. The record for the most amount of ice cover on the Great Lakes was set back in That's when the ice cover reached the 95% mark. With spring just a few weeks away, the North American Great Lakes are still locked in winter. This image from March 9, , shows ice almost completely covering several lakes, including the largest lake—Lake Superior—at upper left.

        “The all-time record for ice coverage of all the Great Lakes is percent in But Lake Superior, the biggest of the five, is typically the last to ice over. In , the last time it came close, 91 percent of its surface iced over. Lake Erie, conversely, is the shallowest of the lakes and freezes nearly every year.” – source FOX News. Great Lakes freeze is largest for nearly 20 years as U.S. is battered by most bitter winter since The Great Lakes System were per cent covered by ice.


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Great Lakes ice cover, winter 1974-75 by George A. Leshkevich Download PDF EPUB FB2

A Great Lakes Ice Cover Digital Data Set for Winters (Assel et al., ) Great Lakes Ice Cover Climatology Update: Winters, and (Assel, ) present: Temporal and Spatial Variability of Great Lakes Ice Cover, (Wang et al., ) Great Lakes ice climatology update: Winter Additional Physical Format: Online version: Leshkevich, George A.

Great Lakes ice cover, winter Boulder, Colo.: U.S. Dept. of Commerce, National Oceanic and. GREAT LAKES ENVIRONMENTAL RESEARCH LABORATORY. These links to the Great Lakes Coastal Forecasting System -- Nowcast/Forecast pages include: current observed ice cover, wind, and air temperature; model-derived ice thickness, ice velocity, vessel icing, surface currents, and water temperature.

Note that some of these products are still winter 1974-75 book. A downward trend since the s in the annual maximum extent of Great Lakes ice cover, which reaches a maximum every year during late winter and early spring, spells trouble for the Great Lakes ecosystem and the people who rely on it.

The image on top shows the Great Lakes at the time of maximum ice cover averaged from based on winter season data from NOAA’s Great Lakes. Ice cover takes deep dip on Great Lakes. The Great Lakes ice cover was from 15% to 18% this week, compared with about 67% a year ago, the National Oceanic and Atmospheric Administration says.

Great Lakes ice cover facts since % ice coverage in is the maximum on record. % ice coverage in is the lowest on record. % ice coverage ina strong El Niño year.

The extreme ice cover in winter 1974-75 book and (%) were the first consecutive high ice cover years since the late ’s. Information from NOAA-GLERL. Great Lakes Ice Cover See also day GLSEA SST/Ice Animation Ice products not available during ice-free season.

According to The Detroit News, warm winter temperatures have caused ice cover on the Great Lakes to drop from 67 percent in to less than 20 percent this year. Jia Wang, an ice climatologist at the research lab, said the reason for the low ice coverage is a combination of multiple weather phenomena impacting the Great Lakes, including El Nino.

As a result, Chicagoans could see more of the beach in the coming years, as low lake ice can cause more evaporation during the winter. Average ice cover for Superior declined by 76% between andaccording to a study led by Jia Wang, an ice climatologist at NOAA's Great Lakes research laboratory.

Sincewhen the National Oceanic and Atmospheric Administration first started tracking ice on the Great Lakes, only one winter had lower coverage on Jan. Get this from a library.

Great Lakes ice cover, winter [Raymond A Assel; Environmental Research Laboratories (U.S.)]. The brutal winter the eastern half of North America experienced this year took a heavy toll on the continent's Great Lakes.

Since late December when the first "Polar Vortex" descended and wreaked havoc, ice cover on the Great Lakes skyrocketed and topped out in the 80% range in February.

It has, for the most part, stayed there ever since. “Ice volcanoes” have begun erupting on beaches along the Great Lakes, providing clues of the volatile wave action at work under the ice floes, the National Weather Service says.

The last time they came this close was inwhen 94 percent of the lakes' surface was frozen. As of Friday, ice cover extended across 88 percent, according to the federal government's Great.

The average ice coverage across all of the Great Lakes on January 30 is percent. This year’s sparse ice coverage is a testament to the unusually mild winter. The Great Lakes are again icing up and approaching the record.

See this post for more. Original post: February 26th,a.m. This frigid winter has us watching the record books again. The record for the most amount of ice cover on the Great Lakes was set back in That's when the ice cover reached the 95% mark.

Great Lakes ice cover typically begins to peak from late February into the start of March. Weekly ice coverage in that period of time is typically 35 to.

GRAND RAPIDS, Mich. (WOOD) — The recent cold across the Great Lakes and relatively light wind has resulted in the most ice coverage for the winter. The extreme cold this winter helped cover more than 90 percent of Lake Superior in ice this week.

The National Oceanic and Atmospheric Administration reports ice cover approached levels not seen in four years. Lake Superior was around 91 percent covered in ice Monday, said Jia Wang, ice climatologist with the NOAA Great Lakes Environmental Research Laboratory.

The Great Lakes ice coverage this winter is nearing record levels, when nearly 95 percent of the water was frozen solid. The siege of polar air that has gripped the region this winter has caused the most extensive freeze-over of the lakes since the record-setting year ofThe Associated Press reported.The striking heaps of ice were reminders that the Great Lakes region sees some ferocious weather, which can sometimes turn lethal.

The large freshwater lakes hide several thousand shipwrecks.Ice cover on North America’s Great Lakes reached 88 percent in mid-Feb. — levels not observed sinceaccording to NASA.

This image, captured by the Moderate Resolution Imaging.