Frost line map illinois

For accurate, up-to-date information about the current frost level in your area, the National Weather Service provides a country-wide frost line depths map that can be referenced by entering...

For example, looking at the Air-Freezing Index map, you will notice that most of the Front Range of Colorado, all of Nebraska, Illinois, and even northern Michigan lie in the 1,000–2,000 or warmer. By cross-referencing ICC Table R403.3(1), you will find that you will need a minimum R-value of 5.6 for the vertical insulation to build at that ...Mar 2, 2022 · Last and First Frost Dates for Georgia. The last frost dates in southern Georgia are March 1 to 31. The last frost dates in northern Georgia are April 1 to 30. The first frost dates in Georgia range from October 1 to November 30, depending on where you live. See the map of Estimated First Frost Date in Fall. Well, there more then one frost line in Illinois: 1) 10" to 20" for Southern Illinois 2) 15" to 30" for Central Illinois (frost line for Peoria) 3) 20" to 35" for Northern Illinois.Frost Climatology. The average date ranges from October 7 in far northern Illinois to October 21 or later in far southern Illinois (see map below). The actual date varies from year to year. For tender plants in the fall, subtract two weeks from the average date to protect against an early frost.A frost date is the average date of the last light freeze in spring or the first light freeze in fall. The classification of freeze temperatures is based on their effect on plants: Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation.The 2021-2022 climatological winter average temperatures ranged from the low 20s in northern Illinois to the high 30s in southern Illinois, within 1 degree of normal statewide (Figure 4). Overall, the preliminary statewide average winter temperature was 29.5 degrees, 1.3 degrees above the 1991-2020 normal and tied for the 41 st warmest on record.Cemetery Association for 16 consecutive winters (1980-96). Maps of average and extreme depths are presented. Ground frost is generally found in northern Illinois by late November, continuing until mid-March or early April In southern Illinois, a continuous frost season exists in all but the southernmost counties. In mild winters, ground frost is

New USDA Hardiness Zone Map for Illinois. "The magnitude of change in the new maps really surprised me since it just reflects the last 30 years," says Illinois State Climatologist Dr. Trent Ford. The updated maps were released on November 15 and are the first update since 2012. They represent data from 1991-2020 collected by 13,412 weather ...Well, there more then one frost line in Illinois: 1) 10" to 20" for Southern Illinois 2) 15" to 30" for Central Illinois (frost line for Peoria) 3) 20" to 35" for Northern Illinois.The median last date of a 32-degree freeze in Illinois. Source: Illinois State Water Survey, Illinois State Climatologist. Spring frost-free dates vary year to year. The Illinois State Water Survey and Illinois State Climatologist have frost maps with temperature data from 1991 to 2020. The spring maps are for the first and last dates of the ... Maps of current precipitation, mean temperature, maximum temperature, minimum temperature, and snowfall in Illinois. These maps typically update by 11 am each day. Additional maps for the Midwest are available from the Applied Climate Information System. Precipitation Main Office: 141 South Main Street, Suite 401 Decatur, IL 62523 Contacts: Phone: (217) 424-1364 Fax: (217) 424-1374 email: [email protected] Hours: M-F 8:30 a.m. to 4:30 p.m. excluding legal holidays Links Interactive Map Macon County GIS Links Downloads Job Opportunities Geographic Information Systems (GIS) AAdditional Gardening Related Climate Data for ZIP Code 60010 - Barrington, Illinois. 2023 Hardiness Zone: Zone 5b: -15°F to -10°F. 2012 Hardiness Zone: Zone 5b: -15°F to -10°F. 1990 Hardiness Zone: Zone 5a: -20F to -15F. Average First Frost Date: October 1 - 10.Under code, generally, one-story buildings with footings on undisturbed soil with LBVs between 1,500 and 4,000 should have a minimum width of 12 inches. Two-story buildings require a minimum of … According to the Federal Highway Administration, the maximum frost depth ranges between zero to eight feet north in the contiguous United States. Here are the 10 states with the deepest frost lines: Alaska – 100 inches. Minnesota – 80 inches. North Dakota – 75 inches. Maine – 74 inches.

WESTPORT, Conn., Oct. 7, 2020 /PRNewswire/ -- LCR Capital Partners is excited to announce that Louis Frost has agreed to join LCR as a Senior Advi... WESTPORT, Conn., Oct. 7, 2020 ...May 22, 2020 · This map is courtesy of the Brickwood Box and shows the frost line across the United States. The maximum frost line depth is 100-inches as seen near the tip of Minnesota, North Dakota, and Alaska, all the way to zero inches in Florida, southern Arizona, and southern California. The International Plumbing Code states that “Exterior water supply system piping shall be installed not less than 6 inches (152 mm) below the frost line and not less than 12 inches (305 mm) below grade.”. Above the frost line, the ground can heave up, shifting whatever is in it, or freeze the pipes’ contents. To avoid these issues ...-Data plots for the same seasons use the same color for both frost depth and the depth of ground thawed.-An example, using the plot below: for the 2013-2014 season (red lines), around April 7 th, the frost depth was 18 inches, but the ground had started thawing, so the thaw was 14 inches. Therefore the ground was only frozen between 14 inches ...

Charter arms warranty.

Oct 4. Oct 7. Oct 10. Oct 13. Oct 17. Oct 22. Now that you know your frost dates, use our Garden Planting Calendar for Champaign, Illinois to know when to sow and transplant your various vegetable plants!Oct 1. Oct 3. Oct 5. Oct 8. Oct 12. Now that you know your frost dates, use our Garden Planting Calendar for Oswego, Illinois to know when to sow and transplant your various vegetable plants! Frost Dates for other nearby locations. Wheaton, IL. Barrington, IL.The newest hardiness zone map is based on weather data from 1991 to 2020, and like earlier versions, is divided into 13 zones across the United States. The most obvious change between the new hardiness zone map and the 2012 map is a northward progression of zones 6a-6b and 7a (Figure 1). The boundary between zones 5b and 6a, …When you look at your paycheck, you likely see less than you expected, especially if your wages are already low. That's because taxes are taken out of your earnings. This is for So...Mar 14, 2020 · 0 to 8 feet. The line varies by latitude, it is deeper closer to the poles. Per Federal Highway Administration Publication Number FHWA-HRT-08-057, the maximum frost depth observed in the contiguous United States ranges from 0 to 8 feet (2.4 m). Below that depth, the temperature varies, but is always above 32 °F (0 °C).

Back To Map Mississippi Extreme Frost Line Penetration (in inches) State Average Frost Depth: 8″ Source: U.S. Department of CommerceJanuary temperatures ranged from the low 20s in northern Illinois to the mid-30s in southern Illinois (Figure 2). The southern half of the state was 1 to 3 degrees colder than normal last month, and, despite the extreme cold in mid-month, northern Illinois was 1 to 2 degrees warmer than normal in January. The coldest point in the state last ...Wheaton, a suburb 29 miles west of Chicago, features a downtown out of central casting: a red-brick town hall, an old theater with a classic… By clicking "TRY IT", I agree t...Sep 24. Sep 26. Sep 29. Oct 1. Oct 3. Oct 5. Oct 8. Oct 12. Now that you know your frost dates, use our Garden Planting Calendar for Joliet, Illinois to know when to sow and transplant your various vegetable plants!Recommendations for a Detailed Frost Line Depth Map. I'm looking for a reliable frost line depth map that covers the entire USA or specifically the tristate area (New York, New Jersey, Connecticut). I need it for planning some construction work, and having accurate frost line data is critical for this project.The Frost/Thaw line refers to the current allowable weights in place for a specific location in the Province of Alberta. Depending on the time of year, different parts of the Province may be at different allowable weights. The Province of Alberta monitors the frost and thaw depth through a network of thermistors located at 68 different ...This resulted frost heave can be detrimental until foundation and foundations. That's reason boron uilding codes specify structural positions being placed below the frost line. Additionally, water and sewer pipework need buried below the frost depth. An frost line map below was drawn based in data from the U.S Department of Commerce.Description. The USDA Plant Hardiness Zone Map is the standard by which gardeners and growers can determine which perennial plants are most likely to thrive at a location. The map is based on the average annual extreme minimum winter temperature, displayed as 10-degree F zones and 5-degree F half zones. A broadband internet connection is ...iMap Has Moved! The NWCC iMap has moved from to we are unable to provide redirects as the old system is shutting down.In order to assist in the migration we have created the tool below. Simply enter your old link and click 'Get Link' to get a new valid url.

Illinois Public Land Survey System (PLSS) boundaries and designations in line and polygon feature classes. The polygon attribute data include meridian, township, range, section and county number (FIPS) designations. The line attributes indicate line type, including the state line, county lines, township and range lines, section lines, Indian treaty boundaries, base lines, principal meridians ...

1806.1.1 - "The frost line in St. Louis County is established at 30" below ground grade." Hope this helps. Regards, Qshake. Eng-Tips Forums:Real Solutions for Real Problems Really Quick. RE: Frost Depth in St. Louis, Mo. MiketheEngineer (Structural) 27 Mar 09 11:22. Qshake is correct - 30'' to bottom of footing.Wheaton, a suburb 29 miles west of Chicago, features a downtown out of central casting: a red-brick town hall, an old theater with a classic… By clicking "TRY IT", I agree t...1540×994 254 KB. If you choose to build your BrickWood Oven or BrickWood Box base to your regional frost line, the diagram below shows you how to easily adjust your base slab. The following materials ARE NOT ON THE MATERIALS LIST - you will need to calculate and purchase these items separately. For EASY math calculations, jump on ...Here is a screenshot of this morning's map. While it doesn't work on the screen shot, you can mouse-over the points on the map on the website and see the individual reports. Finally, Wayne Wendland, the former State Climatologist for Illinois, did a frost-depth study in Illinois using data collected from grave diggers from 1980 to 1996.Share any place, address search, ruler for distance measuring, find your location, routes building. City list of Illinois, roads, streets and buildings on the live satellite photo map. Banks, hotels, bars etc. on the interactive online satellite Illinois map - absolutely free.The Illinois Tollway is advising I-PASS customers to disregard phishing texts being sent to their phones from "Illinois toll way" that detail a specific outstanding toll amount. If you receive a text and are unsure, please login below or call our customer service center at 1-800-UC-IPASS (1-800-824-7277) from 7 a.m. to 7 p.m. on weekdays. ...January temperatures ranged from the low 20s in northern Illinois to the mid-30s in southern Illinois (Figure 2). The southern half of the state was 1 to 3 degrees colder than normal last month, and, despite the extreme cold in mid-month, northern Illinois was 1 to 2 degrees warmer than normal in January. The coldest point in the state last ...

Is cox down tulsa.

Mara price prediction.

Additional Gardening Related Climate Data for ZIP Code 61101 - Rockford, Illinois. 2023 Hardiness Zone: Zone 5b: -15°F to -10°F. 2012 Hardiness Zone: Zone 5a: -20°F to -15°F. Zone 5b: -15°F to -10°F. 1990 Hardiness Zone: Zone 4b: -25F to -20F. Average First Frost Date:The National Weather Service has issued a Frost Advisory for much of Central Illinois from 12 am to 8 am Wednesday. As high pressure builds across Central Illinois skies will remain clear and ...Yes, a good drainage base will help prevent frost heave. Gravel or crushed stone does not hold moisture, so it makes an excellent base. Sand works as well; it takes a layer of about 4 to 6 inches to be safe. As mentioned above, a slab on grade is not at any greater risk of frost heave than a basement, full stop.Oct 8. Oct 10. Oct 12. Oct 15. Oct 18. Oct 22. Now that you know your frost dates, use our Garden Planting Calendar for Metropolis, Illinois to know when to sow and transplant your various vegetable plants! Indiana Frost Line. Back To Map. Indiana Extreme Frost Depth Penetration (in inches) by County. State Average Frost Depth: 36″. Source: Indiana State Dept. of Health. The line varies by latitude, it is deeper closer to the poles. Per Federal Highway Administration Publication Number FHWA-HRT-08-057, the maximum frost depth observed in the contiguous United States ranges from 0 to 8 feet (2.4 m). Below that depth, the temperature varies, but is always above 32 °F (0 °C).For most of this winter, the frost depth has run in the neighborhood of 10 to 20 inches across Illinois with a few sites going deeper. Here is a screenshot of this morning's map. While it doesn't work on the screen shot, you can mouse-over the points on the map on the website and see the individual reports. Finally, Wayne Wendland, the ...Mar 15, 2023 · Main Office: 141 South Main Street, Suite 401 Decatur, IL 62523 Contacts: Phone: (217) 424-1364 Fax: (217) 424-1374 email: [email protected] Hours: M-F 8:30 a.m. to 4:30 p.m. excluding legal holidays Links Interactive Map Macon County GIS Links Downloads Job Opportunities Geographic Information Systems (GIS) A List of Average Last Frost Dates for Locations in Illinois. Location. Average Last Frost Dates. Addison. May 11 - May 20. Algonquin. May 11 - May 20. Alsip. May 1 - May 10.An Interactive Map of Average First Frost Dates in Illinois and a list of locations in Illinois with Average First Frost DatesExterior foundations must extend below the frost line and a minimum of 12 inches (305 mm) below undisturbed soil. Foundations supported on rock or that are frost-protected in accordance with Section R403.3 are exempt from the extension below the frost line, but the 12-inch (305 mm) minimum still applies. ASCE 32 contains requirements for:An Interactive Map of Average Frost Days in Illinois and a list of locations in Illinois with Average Frost Days ….

Topographic Map of Illinois showing the location of major metropolitan areas: Chicagoland, Greater St. Louis, and the Quad Cities. The state's major rivers are the Ohio, the Mississippi, the Wabash, the Kaskaskia, and the Illinois rivers. In the flat landscape of Illinois, the highest point is the banana-shaped Charles Mound at 376 m (1,235 ftThis map is courtesy of the Brickwood Box and shows the frost line across the United States. The maximum frost line depth is 100-inches as seen near the tip of Minnesota, North Dakota, and Alaska, all the way to zero inches in Florida, southern Arizona, and southern California.The thermal conductivity is the rate of heat flow through a unit area under a thermal gradient (recall that 1 BTU is the energy (heat) required to raise the temperature of 1 lb of water 1 °F): Units: BTU/hr • ft 2 • °F/ft or BTU/hr • ft • °FFurther, k snow (loose) = 0.06, k snow (compact) = 0.20. In the range of water contents (5 to ...Our frost date calculator will tell you precisely when your garden in Villa Ridge, Illinois is at risk for frost. Learning Library ... Illinois start to go down, and therefore every day that goes by increases the chance that you'll get frost. Your risk of frost really begins around October 16, and by November 16 you're almost certain to have ...0 to 8 feet. The line varies by latitude, it is deeper closer to the poles. Per Federal Highway Administration Publication Number FHWA-HRT-08-057, the maximum frost depth observed in the contiguous United States ranges from 0 to 8 feet (2.4 m). Below that depth, the temperature varies, but is always above 32 °F (0 °C).How to read these charts for the fall. As your growing season comes to an end, the nightly temperatures for Peoria, Illinois start to go down, and therefore every day that goes by increases the chance that you'll get frost. Your risk of frost really begins around September 28, and by October 24 you're almost certain to have received at least ...Each zone represents a 10oF spread of how cold the average coldest day of the year is. Far northwestern Illinois is 5a, while far southern Illinois is 7a. The rest of the state falls somewhere in between. ... the winter frost can kill them. This is not an absolute rule, however. Sometimes an area has a slightly different microclimate, for ...Interactive maps for winter road conditions and travel information. Learn More. Resources. A comprehensive list of manuals, forms, standards, proposed rules, and more. ... Back to top. Contact Us. Illinois Department of Transportation Hanley Building 2300 S. Dirksen Parkway Springfield, IL 62764 (217) 782-7820 or TTY (866) 273-3681. Helpful ...A frost date is the average date of the last light freeze in spring or the first light freeze in fall.. The classification of freeze temperatures is based on their effect on plants: Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation. Severe freeze: 24°F (-4.4°C) and colder—heavy ...Driving directions to Frostproof, FL including road conditions, live traffic updates, and reviews of local businesses along the way. Frost line map illinois, The frost line is simply the deepest point in the ground to which ground water will freeze. It’s also referred to as the frost depth. When water changes from liquid to solid, it expands 9% in volume. This resulted frost …, Frost becomes more widespread when the temperature falls below 32°F with some freeze possible. A hard freeze is possible when temperatures fall below 28°F. In the 32F/28F Freeze Maps section, you'll find national and regional maps from the Midwest Regional Climate Center (MRCC) that depict the typical dates for freezes in the early fall, and ..., Additional Gardening Related Climate Data for ZIP Code 60629 - Chicago, Illinois. 2023 Hardiness Zone: Zone 6a: -10°F to -5°F. 2012 Hardiness Zone: Zone 6a: -10°F to -5°F. 1990 Hardiness Zone: Zone 1b: -15F to -10F. Average First Frost Date: October 21 - 31., Acres features 16,871 sold land records in Illinois with a median price per acre of $9,293. Ready to unlock nationwide plat maps? Acres brings together land for sale , sold land, and parcel-level insights into one GIS mapping platform for $24.99., A frost date is the average date of the last light freeze in spring or the first light freeze in fall.. The classification of freeze temperatures is based on their effect on plants: Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation. Severe freeze: 24°F (-4.4°C) and colder—heavy ..., WalletHub selected 2023's best life insurance companies in Illinois based on user reviews. Compare and find the best life insurance of 2023. WalletHub makes it easy to find the bes..., The frost line in Pennsylvania (P.A.) is deep at 44 inches because of cold winters. Winter highs are 33°F (0.6°C) to 45°F (7.2°C), while lows in Pennsylvania register in the 19°F (-7.2°C) to 30°F (-1.1°C) range. It is expected to assume that the coldest states have the maximum or deepest frost lines., Looking again at the map, you can see that the Midwest has a pretty sizable range when it comes to frost line. Case in point, consider Minnesota and Missouri. According to the Star Tribune , "The Minnesota State Building Code requires footings to be a minimum of 42" deep in the southern part of the state, and a minimum of 60" deep in the ..., The Frost Potential maps show forecast low temperature thresholds for various locations across Australian weather station locations. The maps are updated each day and show forecasts for the next 48 hours. Each 24 hour forecast period ends at 00 UTC (ie.10 am EST, 9:30 am CST or 8 am WST)., Fall First Frost/Freeze Info (Spring Last Freeze Info Is Available Below) The table (below) of average first frost/freeze dates has been updated for the 1991-2020 normals. B etween September and early November, temperatures fall into the 30s once again across the Central Indiana. Frost can be very localized and variable across a small area., CLOSED-NO PERMIT 1. 11-00 MAX WIDTH 1. CLOSED-NO PERMIT 1 0000 HAZEL CREST-KEDZIE AVE-UNDER INT80-EFF 5/1-11/30/2024 CLOSED-NO PERMIT 1 0000 JOLIET-BRIGGS ST OVER INT80-EXP 11/18/2024 0000 KEWANEE-MIDLAND RD-US34 TO SOUTH ST-EXP 5/1/2024 11-00 MAX WIDTH 1 CLOSED-NO PERMIT 2 0000 LIVINGSTON-INT55 W FRONTAGE RD-PARK ST TO MACOUPIN CO 10-00 MAX ..., Halloween snow in northern and central Illinois is not necessarily a rarity but happens once every 4 to 6 years. Measurable snow, with totals exceeding 0.1 inches, was recorded in much of the state north of Interstate 74, with totals as high as 1.5 inches in Mundelein and 0.9 inches at O'Hare (Figure 5)., Recommendations for a Detailed Frost Line Depth Map. I'm looking for a reliable frost line depth map that covers the entire USA or specifically the tristate area (New York, New Jersey, Connecticut). I need it for planning some construction work, and having accurate frost line data is critical for this project., Additional Gardening Related Climate Data for ZIP Code 62221 - Belleville, Illinois. 2023 Hardiness Zone: Zone 6b: -5°F to 0°F. Zone 7a: 0°F to 5°F. 2012 Hardiness Zone: Zone 6a: -10°F to -5°F. Zone 6b: -5°F to 0°F. 1990 Hardiness Zone: Zone 6a: -10F to -5F., R403.3 Frost-protected shallow foundations.. For buildings where the monthly mean temperature of the building is maintained at a minimum of 64°F (18°C), footings are not required to extend below the frost line when protected from frost by insulation in accordance with Figure R403.3(1) and Table R403.3(1).Foundations protected from …, Planting Guides for Chicago. According to the USDA Chicago is in USDA Zone 6a. Here is some general info for USDA Zone 6a to help you get started. Average Date of Last Frost (spring) April 15. Average Date of First Frost (fall) October 15. Lowest Expected Low. -10°F., Mar 21, 2022 · Highlights. This map shows the average date past which the chances that the temperature will remain above freezing for the rest of the season are higher than the chances of return to freezing temperatures. On average, the last freeze of the season across most of the United States occurs after the first day of spring. , Ice Storms in Illinois. Freezing rain occurs when rain becomes supercooled and freezes upon impact with any cold surface. Ice storms – defined as long periods of freezing rain – can be very dangerous, destructive, and disruptive events. They cause traffic accidents along with slip and fall accidents to pedestrians., An Interactive Map of Average First Frost Dates in Illinois and a list of locations in Illinois with Average First Frost Dates, 1. The USDA Hardiness Zone Method. To find the average frost dates for your region, you first need to determine your hardiness zone or planting zone. You can do this by using our planting zone map tool. Click on your state to zoom in or enter your zip code to find the zone number of your specific area. Frost dates can vary widely within each ..., Here are maps showing the geographic distribution of tornadoes across Illinois, each county, and the Midwest for 1950-2010. The data were obtained from NOAA's Storm Prediction Center and mapped using ArcGIS. NOAA's Storm Prediction Center has detailed annual/monthly reports of severe weather from 2000 onward., The blue line in the figure shows the current depth to water table (in feet), the light gray area shows the historical range between the 10th percentile (i.e., very shallow) and 90th …, Back To Map Iowa Extreme Frost Line Penetration (in inches) State Average Frost Depth: 58″ Source: U.S. Department of Commerce, Therefore the ground was only frozen between 14 inches and 18 inches below the surface. The next day, April 8 th, the ground was completely thawed, and both the frost depth and the thaw went to zero, accounting for the vertical line.-Another example, On Jan 30 th of 2013 (2012-2013 season), the ground was completely thawed at North Tonawanda., The 2010 California Residential Code has a beautiful table (TABLE R301.2(1)) to list the frost lines; however, that is empty. The Santa Cruz County Municipal Code states "Frost line depth = 12 inches below undisturbed soil". Search for "frost line". , Posted 7/31/2008 12:24 (#425616 - in reply to #425578) Subject: RE: Illinois---water line depth for frost: Casey Illinois: I am about 200 miles south of the big town and we put ours down at 40 inches and have never had a problem, just do not set the spigot on a brick, ain't a good thing. Just my experience, Illinois was both cooler and drier than the 1991-2020 normal in 2022. The statewide average annual temperature was 52.0 degrees, 0.6 degrees below normal and tied for the 51 st warmest on record. Statewide average total precipitation in 2022 was 37.24 inches, 3.51 inches below normal and the 61 st driest year on record.. 2022 Temperatures, Back To Map Oregon Extreme Frost Line Penetration (in inches) State Average Frost Depth: 18″ Source: U.S. Department of Commerce, City of Portland, List of Average Last Frost Dates for Locations in Illinois. Location. Average Last Frost Dates. Addison. May 11 - May 20. Algonquin. May 11 - May 20. Alsip. May 1 - May 10., Illinois was both warmer and drier than the 1991–2020 normal in 2023. The statewide average annual temperature was 54.8 degrees, 2.2 degrees above normal and 5 th warmest on record statewide. Statewide average total precipitation in 2023 was 34.41 inches, 6.34 inches below normal and the 29 th driest year on record., An Interactive Map of Average Frost Days in Illinois and a list of locations in Illinois with Average Frost Days, What is the frost line for Illinois? The actual frost depth in Illinois varies from 24 inches in the southern part of the state to more than 40 inches in northern areas. What temperature is frost level? 32 °F Freezing or frost occurs when the air temperature falls below the freezing point of water (0 °C, 32 °F, 273 K). This is usually ..., The frost line in upstate New York is greater than 48 inches in most areas and ranges from 32 to 48 inches in other parts of the Empire State, according to Adirondack Almanack writer Tom Kalinowski. The frost line is the maximum distance below ground that soil water freezes. Unlike the ice at the surface of ponds, lakes and other bodies of ...