Weather conditions for Tiffin, Ohio
Sun, Mar 24, 2019 - 02:59 EDT
Cold & Night Time, Dry 
31.2 °F / -0.4 °C 

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Station Data
Local Date
Mar 24, 2019
Local Time
02:59 EDT
41°07’04N, 83°09’55W
732 feet (223.1m)
NOAA Office
Cleveland (KCLE)
We are about 70.8 miles WSW of this office.

Random Fact
#50... Did you know?
The windiest place in the world is Port Martin, Antarctica, which has an average wind speed over a year of 40 mph. It experiences gale force 8 (39-46 mph) winds for over a hundred days a year!

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Here is a list of special words used throughout our site. Depending how the administrator setup the system, you may either see a list of words group alphabetically or a table of letters. We have a total 216 words in our glossary.

Below is a quick navigation to the available letters & numbers on the current page.
[ 1 | A | B | C | D ]

216 Total (5 Pages, 50 per page)

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Advisory: Advisories are issued for weather situations that cause significant inconveniences but do not meet warning criteria and, if caution is not exercised, could lead to life-threatening situations. Advisories are issued for significant events that are occurring, are imminent, or have a very high probability of occurrence.

Altimeter: An active instrument used to measure the altitude of an object above a fixed level.

Altimeter setting: That pressure value to which an aircraft altimeter scale is set so that it will indicate the altitude above mean sea-level of an aircraft on the ground at the location for which the value was determined.

Altitude: Height expressed as the distance above a reference point, which is normally above sea level (ASL) or above ground level (AGL).

Altocumulus: Mid-altitude clouds with a cumuliform shape.

Altostratus: Mid-altitude clouds with a flat sheet-like shape.

Anemometer: An anemometer is an instrument to measure wind speed and direction. The standard meteorological height is 33 feet (~10m) above the ground.

Aneroid barometer: An instrument built around a metal structure that bends with changing air pressure. These changes are recorded on a pointer that moves back and forth across a printed scale.

Anticyclone: A large body of air in which the atmospheric pressure is higher than the pressure in the surrounding air. The winds blow clockwise around an anticyclone in in the Northern Hemisphere.

Anticyclonic: describes the movement of air around a high pressure, and rotation about the local vertical opposite the earth's rotation. This is clockwise in the Northern Hemisphere.

Anvil cloud: The flat, spreading top of a Cb (cumulonimbus), often shaped like an anvil. Thunderstorm anvils may spread hundreds of miles downwind from the thunderstorm itself, and sometimes may spread upwind.

Aurora borealis: Also known as the northern lights. The luminous, radiant emission from the upper atmosphere over middle and high latitudes, and centered around the earth's magnetic poles. These silent fireworks are often seen on clear winter nights in a variety of shapes and colors.


Barometric pressure: The actual pressure value indicated by a pressure sensor.

Barometric tendency: The amount and direction of change in barometer readings over a three-hour period.

Beaufort scale: A scale that indicates the wind speed using the effect wind has on certain familiar objects.

Black ice: thin, new ice that forms on fresh water or dew covered surfaces; it is common on roadways during the fall and early winter and appears "black" because of its transparency.

Blizzard: Includes winter storm conditions of sustained winds or frequent gusts of 35 mph or more that cause major blowing and drifting of snow, reducing visibility to less than one-quarter mile for 3 or more hours. Extremely cold temperatures often are associated with dangerous blizzard conditions.

Blizzard warning: Issued when blizzard condition are expected or are occurring.

Blocking high: A high pressure area (anticyclone), often aloft, that remains nearly stationary or moves slowly compared to west-to-east motion. It blocks the movement eastward movement of low pressure areas (cyclones) at its latitude..

Blowing dust: dust that is raised by the wind to moderate heights above the ground to a degree that horizontal visibility decreases to less than seven miles. Visibilities of 1/8 mile or less over a widespread area are criteria for a Blowing Dust Advisory.

Blowing sand: Sand particles picked up from the surface of the earth by the wind to moderate heights above the ground, reducing the reported horizontal visibility to less than 7 statute miles.

Blowing snow: Wind driven snow that reduces visibility to six miles or less causing significant drifting. Blowing snow may be snow that is falling and/or loose snow on the ground picked up by the wind.

Blowing spray: Water droplets torn by the wind from a body of water, generally from the crests of waves, and carried up into the air in such quantities that they reduce the reported horizontal visibility to less than 7 statute miles.

Blustery: Descriptive term for gusty winds that accompany cold weather.

Boundary layer: In general, a layer of air adjacent to a bounding surface. Specifically, the term most often refers to the planetary boundary layer, which is the layer within which the effects of friction are significant. For the earth, this layer is considered to be roughly the lowest one or two kilometers of the atmosphere.

Broken clouds: Clouds which cover between 5/8ths and 7/8ths of the sky.


Climatology: the scientific study of climate.

Cloud: A visible cluster of tiny water and/or ice particles in the atmosphere.

Cloud base: For a given cloud or cloud layer, it is the lowest level in the atmosphere where cloud particles are visible.

Cloudy: the state of the sky when 7/10ths or more of the sky is covered by clouds.

Coastal flood warning: Issued when there is widespread coastal flooding expected within 12 hours, more than just typical overwash.

Coastal flooding: The inundation of land areas along the coast caused by sea water above normal tidal actions. This is often caused by prolonged strong onshore flow of wind and/or high astronomical tides.

Coastal forecast: A forecast of wind, wave and weather conditions between the coastline and 25 miles offshore.

Coastal waters: include the area from a line approximating the mean high water along the mainland or island as far out as 25 miles including the bays, harbors and sounds.

Cold front: A narrow transition zone separating advancing colder air from retreating warmer air. The air behind a cold front is cooler and typically drier than the air it is replacing.

Condensation: The process by which water vapor becomes a liquid; the opposite of evaporation, which is the conversion of liquid to vapor.

Cumulonimbus cloud: A vertically developed cloud, often capped by an anvil shaped cloud. Also called a thunderstorm cloud, it is frequently accompanied by heavy showers, lightning, thunder, and sometimes hail or gusty winds.

Cumulus cloud: A cloud in the shape of individual detached domes, with a flat base and a bulging upper portion resembling cauliflower.

Cumulus congestus: A large cumulus cloud with great vertical development, usually with a cauliflower-like appearance, but lacking the characteristic anvil shaped top of a Cb.

CWOP: Citizen Weather Observer Program.


Dense fog: a fog in which the visibility is less than one-quarter mile.

Dense fog advisory: Issued when fog is expected to reduce visibility to 1/4 mile or less over a widespread are for at least 3 hours.

Depression: a region of low atmospheric pressure that is usually accompanied by low clouds and precipitation.

Dew: Moisture from water vapor in the air that has condensed on objects near the ground, whose temperatures have fallen below the dewpoint temperature.

Dew point: The temperature to which the air must be cooled for water vapor to condense and form fog or clouds.

Downburst: A strong downdraft resulting in an outward burst of damaging winds on or near the ground. Downburst winds can produce damage similar to a strong tornado.

Downdraft: A column of generally cool air that rapidly sinks to the ground, usually accompanied by precipitation as in a shower or thunderstorm. .

Drifting snow: Uneven distribution of snowfall caused by strong surface winds. Drifting snow does not reduce visibility.

Drizzle: Small, slowly falling water droplets, with diameters between .2 and .5 millimeters.

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