22 Degree Halo a ring of light 22 degrees from the sun or moon
A halo is a ring of light surrounding the sun or moon.
Heating degree days are summations of negative differences between the mean daily temperature and the 18 °C base; cooling degree days are summations of positive differences from the same base.
A heating degree day is the departure of one degree per day in the mean daily temperture from a standard reference temperature of usually 65 degrees F.
degree-day"1. Generally, a measure of the departure of the mean daily temperature from a given standard: one degree-day for each degree (°C or °F) of departure above (or below) the standard during one day.
Degree Day
A measure that gauges the amount of heating or cooling needed for a building using 65 degrees as a baseline.
DEGREE DAY A measure of the departure of the mean daily temperature from a given standard. That is one degree day for each degree (Fahrenheit or Celsius) of departure above or below the standard during one day.
Degree Day - For any individual day, degree days indicate how far that day's average temperature departed from 65oF. Heating Degree Days measure heating energy demand. It is a measure to indicate how far the average temperature fell below 65oF.
Degree Day It gauges the amount of heating or cooling needed for a building using 65°F as a baseline. To compute heating/cooling degree-days, take the average temperature for a day and subtract the reference temperature of 65°F.
degree - 1. A unit of temperature. See absolute temperature scale, Celsius temperature scale, centigrade temperature scale, Fahrenheit temperature scale, Kelvin temperature scale, Reaumur temperature scale. 2.
Degree Day- a measure of the departure of the daily mean temperature from the normal daily temperature; heating and cooling Degree Days are the departure of the daily mean temperature from sixty-five degrees Fahrenheit.
degree-day unit: a measure of how much the mean daily temperature differs from a base temperature in Fahrenheit and Celsius. Used to determine how much fuel will be needed to heat or cool indoor environments.
Degree days Computed from each day's mean temperature (max+min/2). For each degree that a day's mean temperature is below or above a reference temperature is counted as one degree day.
Degree A unit of angular measure represented by the symbol °. The circumference of a circle contains 360 degrees.
Degree Day - A measure of departure from the mean daily temperature. One degree day occurs when the daily mean temperature is above or below 65 degrees Fahrenheit.
Inch-Degrees The product of inches of rainfall multiplied the temperature in degrees above freezing (Fahrenheit Scale), used as a measure of the snowmelt capacity of rainfall.
Heating Degree-Day - a type of degree day used for estimating fuel consumption for warming the indoor environment to a base temperature, generally to 65 degrees Fahrenheit; ...
Heating Degree Day: see Degree Day
Heat Index: The Heat Index (HI) or the "Apparent Temperature" is an accurate measure of how hot it really feels when the Relative Humidity (RH) is added to the actual air temperature.
Cooling degree-day A form of degree-day used in estimating the amount of energy necessary to reduce the effective temperature of warm air.
Cooling degree-day A measure of the need for air conditioning when the average daily temperature is above 65 ·F (18 ·C); computed by subtracting 65 ·F from the average daily temperature in ·F.
Cooling Degree Day (CDD)- useful in determining cooling energy requirements. Defined as (MT - 65)= CDD,where MT is Mean Temperature (F). If MT is less than 65 degrees F, CDD=0. MT= Mean (average)Temperature of the day.
Growing Degree-Days - A practical application of tempera- hire data for determining the approximate date when crops will be ready for harvest.
The degree of salt in water. The rise in sea level due to global warming would result in increased salinity of rivers, bays and aquifers.
Santa Ana(6)
The local name given a foehn wind in southern California.
1.The degree to which a material or object containing minute openings or passages, when immersed in a liquid, will draw the surface of the liquid above the hydrostatic level. Unless otherwise defined, the liquid is generally assumed to be water.
The angle (in degrees) between the horizon and a point above the local horizon in the celestial sphere, measured along the great circle that passes through both the zenith and the point in question.
escape velocity ...
Stability: the degree of resistance of a layer of air to vertical motion.Stable air: see absolutely stable air.
A measure of the degree to which moist air is converging into a given area, taking into account the effect of converging winds and moisture advection.
salinity The degree of salt in water. salt water intrusion The invasion of fresh, surface, or groundwater by salt water. seasonal variation The change in a set of meteorological parameters averaged over three months.
ACCURACY: The degree with which an instrument measures a variable in terms of an accepted standard value or true value; usually measured in terms of inaccuracy but expressed as accuracy; often expressed as a percentage of full-scale range.
A temperature of 0 degrees Celsius or below recorded on a thermometer placed on short grass
Gulf Stream
A warm ocean current that flows from the Gulf of Mexico across the Atlantic to the coast of western Europe.
Temperature - A degree of hotness or coldness the can be measured using a thermometer. Also a measure of how fast the atoms and molecules of a substance are moving (see Kinetic energy).
The 'air-mass' zero degree level is relatively straightforward to forecast.
Bitterly coldIn winter, bitterly cold or very cold, refers to more than seven degrees Celsius below normal.
It assumes a mean sea level temperature of 15 degrees Celsius, a standard sea level pressure of 1,013.25 millibars or 29.92 inches of mercury, and a temperature lapse rate of 0.65 degrees Celsius per 100 meters up to 11 kilometers in the atmosphere.
GDROn a buoy report, direction, in degrees clockwise from true North, of the GSP, reported at the last hourly 10-minute segment.
One message will cover the Gulf of Mexico, the Caribbean, and the Atlantic between the equator and 32 degrees North and east of 140 degrees West. Plain language is used in these discussions.
Calorie A unit of heat originally defined as the amount of heat required to raise the temperature of water through one degree centigrade (the gram-calorie or small calorie), but this proved to be insufficiently precise.
TEAtransverse-excited atmospheric pressuretemperatureThe degree of hotness or coldness of a substance as measured by a thermometer. It is also a measure of the average speed or kinetic energy of the atoms and molecules in a substance.
This dish has the capability to rotate 360 degrees in azimuth and up to 20 degrees in elevation allowing the radar to cover a huge volume of atmosphere.
Freezing level This is a term used in meteorology to refer to the lowest altitude in the atmosphere over a given location at which the air temperature is 32 degrees F (0 degrees C). In other words, the height of the 32 degree temperature surface.
Distance is conveniently measured in the length of a degree of latitude, which is 111 km or 69 mi. Then, a pressure gradient of 1 mb per degree of latitude is 8.993 x 10-5 dyne/cm2/cm.
Water requires a calorie of heat to raise the temperature of one gram of it 1 degree C (heat energy). However, this is different for a phase changes. To convert liquid water at 100 degrees C to vapor, about 540 calories per gram is required.
Size: Area of cloud top -32 degrees C or less: 100,000 square kilometers or more (slightly smaller than the state of Ohio), and area of cloud top -52 degrees C or less: 50,000 square kilometers or more.
The formal definition includes specific minimum criteria for size, duration, and eccentricity (i.e., "roundness"), based on the cloud shield as seen on infrared satellite photographs: Size: Area of cloud top -32 degrees C or less: 100, ...
5 million square kilometres and extends over a latitude band from about 14 degrees south to 35 degrees south.
I studied meteorology at the University of Michigan and graduated with a Bachelor of Science degree in Meteorology and Oceanography in 1969.
Kelvin temperature scale (abbreviated K)—A temperature scale with zero degrees equal to the temperature at which all molecular motion ceases, i.e.
Arctic Oscillation An atmospheric circulation pattern in which the atmospheric pressure over the polar regions varies in opposition with that over middle latitudes (about 45 degrees North) on time scales ranging from weeks to decades.
Subtropical cyclone: A low pressure system that develops in subtropical waters (north of 20 north degrees latitude) and initially has non-tropical features (see table below for a list of tropical features) but does have some element of a tropical ...
Heat Advisory - It's issued within 12 hours of the onset of the following conditions: a heat index of at least 105 degrees but less than 115 degrees for less than 3 hours per day or if nighttime lows remain above 80 degrees for 2 consecutive days.
Tropics- The area of the globe from latitudes 23.5 degrees north to 23.5 degrees south.
Tropical Air- Warm, humid air masses that form in tropical regions.
Tropical Cyclone- A low-pressure system that forms in the tropics.
ANGLE OF BANK - The number of degrees from level which a wing is displaced as it moves about the longitudinal axis.
ATTITUDE - The angle the chord of a wing makes with the horizon.
Top of Page ...
Fahrenheit Temperature Scale
A temperature scale with the freezing point of water at 32 degrees and its boiling point at 212 degrees. Conversion to the Celsius temperature scale is accomplished by the formula C=(F-32)5/9.
Latitude- the distance from the equator, measured in degrees.
Lightning- A sudden spark, or energy discharge, caused when electrical charges jump between parts of a cloud or between a cloud and the ground.
BACKSCATTER A radar echo that is reflected, or scattered, at 180 degrees to the direction of the incident wave. Also the scattering of radiant energy into space before it reaches the earth's surface.
ARID
A term used for an extremely dry climate. The degree to which a climate lacks effective, life-promoting moisture. It is considered the opposite of humid when speaking of climates.
In extreme cases, wind speeds can be of gale force or higher, and temperatures over the coastal plain and even at the coast itself can rise significantly above 37.8 degrees C (100 degrees F). (Warren Blier, SOO, NWS San Francisco) ...
FAHRENHEIT - the standard scale used to measure temperature in the United States; in which the freezing point of water is thirty-two degrees and the boiling point is two hundred and twelve degrees.
A scale of wind force, based on behaviour of the sea under varying degrees of wind speed.
Bore
A broken swell wave travelling shorewards across the surf zone. See also tidal bore.
SUBTROPIC: The climatic region adjacent to the tropics, which are located between 20 and 40 degrees latitude in both hemispheres.
THUNDER: The sound produced by a stroke of lightning as it rapidly heats the air surrounding the bolt.
Temperature - In general, the degree of hotness or coldness measured against some definite scale by means of a thermometer.
 See also: Temperature, Weather, Air, Surface, Water
|
