Winter Snow & Ice Removal
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The City of New York Department of Sanitation
The City of New York Department of Sanitation 2014-2015 Winter Snow Plan for the Borough of Brooklyn Pursuant to Local Law 28 of 2011 Kathryn Garcia, Commissioner November 2014 FY 15 BOROUGH SNOW PLAN The Department of Sanitation (DSNY) Borough Snow Plan describes measures DSNY will take to fight winter weather, clear streets for safe transportation, and address issues of public safety related to snow and ice conditions. This document is published pursuant to the requirements set forth under Local Law 28 of 2011. I. INTRODUCTION The Department of Sanitation keeps New York City healthy, safe, and clean by collecting, recycling, and disposing of waste, cleaning streets and vacant lots, and clearing ice and snow. A critical component of this mission is to clear snow and ice from New York City’s more than 19,000 lane-miles of roadways in a prompt, reliable, and equitable manner. Winter conditions on the City’s roadways introduce potential hazards to all forms of travel. Snow, ice, and other winter weather can impede first responders, temporarily close businesses and schools, and restrict the mobility of all New Yorkers. Snowfall can be expected to lead to the disruption of normal traffic patterns and public transportation. In prolonged or severe snowfall, disruption can last for extended periods of time. While DSNY makes every reasonable effort to clear snow and ice from the City’s highways and streets as quickly and effectively as possible, it can be a lengthy process, particularly when persistent or heavy snowfall occurs combined with falling temperatures and high winds. This Snow Plan concentrates on the planning, organization and response to winter weather conditions, the execution of operational tasks to perform salt spreading on roadways, and the plowing, piling, hauling, and melting of significant snow accumulations from the City’s roadways. -
February 2021 Historical Winter Storm Event South-Central Texas
Austin/San Antonio Weather Forecast Office WEATHER EVENT SUMMARY February 2021 Historical Winter Storm Event South-Central Texas 10-18 February 2021 A Snow-Covered Texas. GeoColor satellite image from the morning of 15 February, 2021. February 2021 South Central Texas Historical Winter Storm Event South-Central Texas Winter Storm Event February 10-18, 2021 Event Summary Overview An unprecedented and historical eight-day period of winter weather occurred between 10 February and 18 February across South-Central Texas. The first push of arctic air arrived in the area on 10 February, with the cold air dropping temperatures into the 20s and 30s across most of the area. The first of several frozen precipitation events occurred on the morning of 11 February where up to 0.75 inches of freezing rain accumulated on surfaces in Llano and Burnet Counties and 0.25-0.50 inches of freezing rain accumulated across the Austin metropolitan area with lesser amounts in portions of the Hill Country and New Braunfels area. For several days, the cold air mass remained in place across South-Central Texas, but a much colder air mass remained stationary across the Northern Plains. This record-breaking arctic air was able to finally move south into the region late on 14 February and into 15 February as a strong upper level low-pressure system moved through the Southern Plains. As this system moved through the region, snow began to fall and temperatures quickly fell into the single digits and teens. Most areas of South-Central Texas picked up at least an inch of snow with the highest amounts seen from Del Rio and Eagle Pass extending to the northeast into the Austin and San Antonio areas. -
Winter Bird Feeding
BirdNotes 1 Winter Bird Feeding birds at feeders in winter If you feed birds, you’re in good company. Birding is one of North America’s favorite pastimes. A 2006 report from the U.S. Fish and Wildlife Service estimates that about 55.5 mil- lion Americans provide food for wild birds. Chickadees Titmice Cardinals Sparrows Wood- Orioles Pigeons Nuthatches Finches Grosbeaks Blackbirds Jays peckers Tanagers Doves Sunflower ◆ ◆ ◆ ◆ ◆ ◆ ◆ Safflower ◆ ◆ ◆ Corn ◆ ◆ ◆ Millet ◆ ◆ ◆ Milo ◆ ◆ Nyjer ◆ Suet ◆ ◆ ◆ ◆ ◆ Preferred ◆ Readily Eaten Wintertime—and the Living’s counting birds at their feeders during selecting the best foods daunting. To Not Easy this winterlong survey. Great Back- attract a diversity of birds, provide a yard Bird Count participants provide variety of food types. But that doesn’t n much of North America, winter valuable data with a much shorter mean you need to purchase one of ev- Iis a difficult time for birds. Days time commitment—as little as fifteen erything on the shelf. are often windy and cold; nights are minutes in mid-February! long and even colder. Lush vegeta- Which Seed Types tion has withered or been consumed, Types of Bird Food Should I Provide? and most insects have died or become uring spring and summer, most dormant. Finding food can be espe- lack-oil sunflower seeds attract songbirds eat insects and spi- cially challenging for birds after a D Bthe greatest number of species. ders, which are highly nutritious, heavy snowfall. These seeds have a high meat-to- abundant, and for the most part, eas- shell ratio, they are nutritious and Setting up a backyard feeder makes ily captured. -
Winter Jet Stream Trends Over the Northern Hemisphere
QUARTERLY JOURNAL OF THE ROYAL METEOROLOGICAL SOCIETY Q. J. R. Meteorol. Soc. 133: 2109–2115 (2007) Published online in Wiley InterScience (www.interscience.wiley.com) DOI: 10.1002/qj.171 Winter jet stream trends over the Northern Hemisphere Courtenay Stronga* and Robert E. Davisb a University of California, Irvine, USA b Department of Environmental Sciences, University of Virginia, Charlottesville, USA ABSTRACT: Trends in the speed and probability of winter jet stream cores over the Northern Hemisphere were measured for 1958–2007, and related changes in the thermal structure of the troposphere were identified. Eddy-driven jet (EDJ) core speeds and probabilities increased over the midlatitudes (40–60 °N), with changes as large as 15% (speed) and 30% (probability). These increasing trends are collocated with increases in baroclinicity driven by a spatially heterogeneous pattern of height change consisting of large-scale warming with cooling centres embedded poleward of 60 °N. The cooling centres reduced high-latitude baroclinicity, making jet cores poleward of 60 °N less frequent and weaker. Over the west and central Pacific, subtropical jet stream (STJ) core probabilities remained relatively constant while core speeds increased by as much as 1.75 m/s decade−1 in association with Hadley cell intensification. The STJ shifted poleward over the east Pacific and Middle East, and an equatorward shift and intensification of the STJ were found over the Atlantic basin–contributing to an increased separation of the EDJ and STJ. Copyright 2007 Royal Meteorological Society KEY WORDS general circulation; climate change; global warming Received 25 March 2007; Revised 23 August 2007; Accepted 18 September 2007 1. -
CITY of OSHKOSH SNOW & ICE REMOVAL POLICY Revised 2-20-19
CITY OF OSHKOSH SNOW & ICE REMOVAL POLICY Revised 2‐20‐19 In order for a snow and ice removal program to be effective, a written policy must be established. This policy will guide personnel of the Street Division of the Department of Public Works concerned with deicing, plowing, and snow removal efforts. It not only gives snow removal crews a set of guidelines to follow, but also informs the general public of the procedures being followed so they may have a better understanding of the city’s snow removal efforts. This document is the official policy for snow removal for the City of Oshkosh. All existing ordinances regarding snow removal from sidewalks, and parking regulations for snow emergencies remain in effect, and are considered a necessary part of the overall snow removal plan. The City of Oshkosh will strive to maintain safe conditions for drivers observing winter driving conditions. However, this is not an absolute “bare pavement” policy. It must be recognized that, although this policy sets general guidelines to be followed, each storm has its own character with variable conditions such as wind, extreme temperatures, timing, duration, and moisture content. The policy must remain flexible and take into consideration these variables. DETERMINATION OF NEED FOR SNOW & ICE CONTROL PROCEDURES The Street Division on call supervisors shall generally keep themselves apprised of changing weather conditions. However, the Department of Public Works relies heavily on the observations of Police Department personnel and various Internet weather sites to alert them to road conditions any time of the day. Weather reports issued by the National Weather Service also aid in preparation of snow and ice control deployments. -
Property Owner Concrete Maintenance Guide
PROPERTY OWNER CONCRETE MAINTENANCE GUIDE Don't Let This Happen To You! Don’t Use Salts or Deicers!!!! Protect your Concrete Today. Stop in to talk to one of our experts today. The City staff has had a long experience with concrete, and will help you understand how to preserve and protect the beauty of your new concrete. Please feel free to call us anytime at (541)962-1325 if you have questions about caring for your concrete. Once your concrete driveway, patio, walkways or other project is completed, some simple care and maintenance measures will help assure you of a long life of beauty and service. The City of La Grande Public Works Department wants to share our knowledge of the care and maintenance of concrete with you. Once we're done, we'll help you understand how to care for the completed surface. It all starts as soon as the concrete crews and equipment are gone. Concrete is an amazing material. Soft and easy to manipulate during installation, it soon sets into a solid, stone-like material. This process called setting and curing, doesn't happen instantly, however. While the concrete will become firm and hard fairly quickly, it remains relatively weak until completely cured, normally 28 days after placing, a process that can take quite some time, depending on temperature and other conditions. How you treat your new concrete will affect it for years to come. Quick Tips Although concrete is an extremely durable product, the following care and maintenance guidelines will add to the value of your investment: • Do not apply deicing chemicals for snow and ice removal during the winter freezing periods. -
1A.1 a Unique Cold-Season Supercell Produces an Ef1 ‘Snownado’
1A.1 A UNIQUE COLD-SEASON SUPERCELL PRODUCES AN EF1 ‘SNOWNADO’ David Sills1*, Marie-Ève Giguère2, and John Henderson3 1Science and Technology Branch, Environment and Climate Change Canada (ECCC), King City, ON 2Meteorological Service of Canada, ECCC, Montréal, QC 3Atmospheric and Environmental Research, Lexington, MA 1. INTRODUCTION1 2. STORM EVOLUTION On November 23, 2013, the ‘forecast problem du A weak low-pressure system moved southeast jour’ in southern Ontario, Canada, was the onset across the Great Lakes area during the morning of of significant snow squalls to the lee of the Great November 23rd. An associated secondary low Lakes following the passage of an Arctic cold front rapidly intensified while traversing the relatively (Fig. 1a). It was discovered a short time later warm (~7ºC) waters of Lake Huron’s Georgian however that, in addition to snow squalls, a Bay (Fig. 2). tornado had occurred that day. Low-level reflectivity images from the Environment An EF1 tornado track was identified at Charleville and Climate Change Canada (ECCC) radar in (Fig. 1b) via an on-site damage survey. It was Britt, ON, show the transformation from a cluster found to have a path length of at least 270 m (Fig. of showers on the west side of Georgian Bay at 1c), a path width of 75 m and an event time of 0900 UTC (Fig. 3a) to a well-developed vortex just 2015 UTC+. No fatalities or injuries resulted, but inland from the east side of the Bay at 1200 UTC farm structures (Fig. 1d) and trees were damaged. (Fig. 3b). Similar cyclone intensification over the Great Lakes was found by Angel and Isard (1997). -
ESSENTIALS of METEOROLOGY (7Th Ed.) GLOSSARY
ESSENTIALS OF METEOROLOGY (7th ed.) GLOSSARY Chapter 1 Aerosols Tiny suspended solid particles (dust, smoke, etc.) or liquid droplets that enter the atmosphere from either natural or human (anthropogenic) sources, such as the burning of fossil fuels. Sulfur-containing fossil fuels, such as coal, produce sulfate aerosols. Air density The ratio of the mass of a substance to the volume occupied by it. Air density is usually expressed as g/cm3 or kg/m3. Also See Density. Air pressure The pressure exerted by the mass of air above a given point, usually expressed in millibars (mb), inches of (atmospheric mercury (Hg) or in hectopascals (hPa). pressure) Atmosphere The envelope of gases that surround a planet and are held to it by the planet's gravitational attraction. The earth's atmosphere is mainly nitrogen and oxygen. Carbon dioxide (CO2) A colorless, odorless gas whose concentration is about 0.039 percent (390 ppm) in a volume of air near sea level. It is a selective absorber of infrared radiation and, consequently, it is important in the earth's atmospheric greenhouse effect. Solid CO2 is called dry ice. Climate The accumulation of daily and seasonal weather events over a long period of time. Front The transition zone between two distinct air masses. Hurricane A tropical cyclone having winds in excess of 64 knots (74 mi/hr). Ionosphere An electrified region of the upper atmosphere where fairly large concentrations of ions and free electrons exist. Lapse rate The rate at which an atmospheric variable (usually temperature) decreases with height. (See Environmental lapse rate.) Mesosphere The atmospheric layer between the stratosphere and the thermosphere. -
Design & Installation of Hydronic Snow & Ice Melting Systems
Design and Installation of Hydronic Snow & Ice Melting Systems to Optimize Performance and Efficiency A presentation by the Plastics Pipe Institute Contact: Lance MacNevin, P.Eng. PPI Director of Engineering - Building & Construction Division [email protected] Tel (469) 499-1057 ©2021 Plastics Pipe Institute The Plastics Pipe Institute PPI Represents All Sectors of the Plastic Pipe Industry - Formed in 1950 to research and develop test methods for plastic pressure pipes - Today: Non-profit trade association serving North America based in Irving, TX - Five Divisions, eleven employees PPI Mission: Enable the highest quality of life and preserve our natural resources through the advancement, acceptance, and use of plastic pipe systems PPI Activities: Research, education, technical expertise, and advocacy Members: Over 170 member firms involved with the plastic pipe industry PPI Website: www.plasticpipe.org ©2021 Plastics Pipe Institute The Plastics Pipe Institute PPI’s Building & Construction Division (BCD) - BCD is focused on plastic pressure pipe and tubing systems used within buildings and on building premises for applications such as plumbing, water service, fire protection, hydronic (radiant) heating & cooling, snow & ice melting, district energy heating & cooling, and ground source geothermal piping systems. BCD Materials: CPVC, HDPE (geo), PEX, PE-RT, PEX-AL-PEX, and PP (PP-R & PP-RCT) BCD Homepage: https://plasticpipe.org/BuildingConstruction ©2021 Plastics Pipe Institute What Is A Hydronic SIM System? - Snow and Ice Melting -
Snow Removal Brochure
LEHI CITY SNOW REMOVAL A Guide to Managing Winter Storms THE LEHI CITY STREETS DIVISION’S PRIORITY IS TO PROVIDE THE SAFEST POSSIBLE DRIVING CONDITIONS. SNOW REMOVAL IS DEPENDENT ON A NUMBER OF FACTORS, INCLUDING THE TIMING AND DURATION OF A SNOWSTORM AND THE DENSITY OF THE SNOW. THIS GUIDE PROVIDES RESIDENTS WITH INFORMATION ABOUT THE SNOW REMOVAL PROGRAM AND SETS EXPECTATIONS DURING AND AFTER A STORM. SNOW CONDITIONS The Lehi City Streets Division makes it a priority to be responsive during and immediately after a storm. Response time to individual streets and neighborhoods will depend on several factors, including timing and duration of the storm. TIMING Crews will make every effort to keep major streets clear of snow and ice. Heavily traveled roads and bus routes will receive top priority to ensure everyone’s safety. Once major commuter roads have been deemed safe for travel, secondary and side streets will be cleared. During evening and early morning storms, crews should have ample time to prepare for commuting hours. Plows will continue to clean, treat, and widen roadways until reasonably safe conditions are met. DURATION The duration of a storm plays an important role in snow plowing operations. Storms of extended duration require all available resources to keep roads open over an extended period of time. A snow storm of four inches over a 24-hour period will require more time and man hours than a storm of six inches over an 8-hour period. Please keep in mind that plows are still hard at work well after the snow has stopped falling. -
Snow Removal and Salt
Ice and Snow Removal: Using Salt Properly Image by Nathan Lodermeier A teaspoon of salt will permanently pollute 5 gallons of water, so proper salt use is important to protect the environment and clean water. Using Salt: A Summary Winter in Minnesota means slippery roads and sidewalks, and people using salt to melt the ice for safety. But when the snow and ice melt, the salt that is left behind damages plants and the rest washes into lakes and streams where it accumulates and harms wildlife. Although salt use is unregulated, it poses a real threat Consulting Image Fortin by to water quality — the chloride in one teaspoon of road salt can pollute five gallons of water, and once it is in our water it cannot Quick Tips easily be removed. At high concentrations, chloride: • harms aquatic organisms, • Keep up with the storm • alters community structure in aquatic environments, such as diversity and productivity, • Manually remove as • increases terrestrial bird mortality, much snow as possible • becomes toxic to terrestrial plants. • Be conservative with de-icers Road safety is important, but there are many ways to reduce salt • Pick the right de-icer usage and effectively melt snow and ice. (see the chart on the reverse side) Salt Damage • Don’t use salt in the Brown spots along sidewalks and streets are not only extreme cold. Wait until unattractive, they are also signs that we are harming our a sunny, warm day. You environment. Chloride and sodium in small quantities can use sand to increase are valuable to plants, but excess amounts create toxic Consulting Image Fortin by traction on slippery areas. -
NJSIAA Updates High School Sports Calendar
Contact: Michael Cherenson (973.919.6228 or [email protected]) NJSIAA updates high school sports calendar Winter competition pushed into the New Year Spring schedules to be finalized in December ROBBINSVILLE, NJ (Nov. 19, 2020) – The NJSIAA’s Sports Advisory Task Force – the statewide group of athletic administrators tasked with developing return-to-play protocols for New Jersey high school sports – today issued its final plan for the winter sports season. Competition for all winter sports will begin after the New Year. Ice hockey may start practicing on December 14, 2020; basketball, fencing and bowling may start practicing on January 11, 2021; swimming and winter track & field may start practicing on February 1; and gymnastics, girls’ volleyball, and wrestling may start practicing on March 1. The following is the 2020-2021 winter sports calendar (Download Here). Under Executive Order 196, indoor practices and competitions are limited to 10 persons, however, if the number of individuals who are necessary for the practice or competition, such as players, coaches, and referees, is greater than 10 persons, the practice or competition may proceed. If this exception applies, the number of individuals still may not exceed 25 percent of the capacity of the room in which it takes place, or 150 persons, whichever is less. Practically speaking, this means that spectators are prohibited. (more) 1 Page 2 of 2 A memo, shared with all NJSIAA member schools, provides greater detail on the current plan. The Sports Advisory Task Force remains committed to providing as complete of a spring season as possible and will release final spring sports season plans on or before Friday, December 11, 2020.