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  2. Hvat - Wikipedia

    en.wikipedia.org/wiki/Hvat

    Square hvat is used as the basis for other units of surface in the hvat system. motika; one motika = 200 square hvats = 719.3304 square meters.; jutro ("morning", compare the unit Morgen) or Joch in Austria; one jutro = 8 motika = 1,600 square hvats [1] = 5,754.6432 square meters.

  3. Orders of magnitude (length) - Wikipedia

    en.wikipedia.org/wiki/Orders_of_magnitude_(length)

    1.4 m – length of a Peel P50, the world's smallest car; 1.435 m – standard gauge of railway track used by about 60% of railways in the world = 4 ft 8 1 ⁄ 2 in; 2.5 m – distance from the floor to the ceiling in an average residential house [118] 2.7 m – length of the Starr Bumble Bee II, the smallest plane

  4. dBZ (meteorology) - Wikipedia

    en.wikipedia.org/wiki/DBZ_(meteorology)

    The scale of dBZ values can be seen along the bottom of the image. dBZ is a logarithmic dimensionless technical unit used in radar. It is mostly used in weather radar, to compare the equivalent reflectivity factor (Z) of a remote object (in mm 6 per m 3) to the return of a droplet of rain with a diameter of 1 mm (1 mm 6 per m 3). [1]

  5. Square metre - Wikipedia

    en.wikipedia.org/wiki/Square_metre

    Comparison of 1 square metre with some Imperial and metric units of area. The square metre (international spelling as used by the International Bureau of Weights and Measures) or square meter (American spelling) is the unit of area in the International System of Units (SI) with symbol m 2. [1] It is the area of a square with sides one metre in ...

  6. METAR - Wikipedia

    en.wikipedia.org/wiki/METAR

    metar kttn 051853z 04011kt 1/2sm vcts sn fzfg bkn003 ovc010 m02/m02 a3006 rmk ao2 tsb40 slp176 p0002 t10171017= [14] METAR indicates that the following is a standard hourly observation. KTTN is the ICAO identifier for the Trenton-Mercer Airport .

  7. Military Grid Reference System - Wikipedia

    en.wikipedia.org/wiki/Military_Grid_Reference_System

    The intersection of a UTM zone and a latitude band is (normally) a 6° × 8° polygon called a grid zone, whose designation in MGRS is formed by the zone number (one or two digits – the number for zones 1 to 9 is just a single digit, according to the example in DMA TM 8358.1, Section 3-2, [1] Figure 7), followed by the latitude band letter ...

  8. Cloud base - Wikipedia

    en.wikipedia.org/wiki/Cloud_base

    Divide the spread by 4.4 (if temperatures are in °F) or 2.5 (if temperatures are in °C), then multiply by 1000. This will give the altitude of the cloud base in feet above ground level. Put in a simpler way, 400 feet for every 1°C dew point spread. For metric divide the spread in °C by 8 and multiply by 1000 and get the cloud base in meters.

  9. Visibility - Wikipedia

    en.wikipedia.org/wiki/Visibility

    The international definition of fog is a visibility of less than 1 km (3,300 ft); mist is a visibility of between 1 km (0.62 mi) and 2 km (1.2 mi) and haze from 2 km (1.2 mi) to 5 km (3.1 mi). Fog and mist are generally assumed to be composed principally of water droplets, haze and smoke can be of smaller particle size.