ground frost


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ground frost

[′grau̇nd ‚frȯst]
(meteorology)
In British usage, a freezing condition injurious to vegetation, which is considered to have occurred when a minimum thermometer exposed to the sky at a point just above a grass surface records a temperature (grass temperature) of 30.4°F (-0.9°C) or below.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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As you would expect when the temperature is 0C on the grass then that is a ground frost. Frost will appear on grass and vulnerable plants like bedding and many others with soft foliage will be affected.
Moreover, ground frost may occur in Rawalpindi division and Islamabad.
When the ground frost surrenders to thawing ground, the snow and ice will turn to water and drain away, leaving us with dry soil that can be worked.
The spokesman said that temperatures could reach zero tonight leading to ground frost, though the barometer could rise to between five and eight degrees the next day.
Ground frost would continue to affect scattered places of upper Punjab including Rawalpindi, Islamabad, Gujranwala, Lahore, Faisalabad and Sargodha divisions during morning and night time.
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"Looking ahead to Thursday and Friday, it looks like getting slightly milder, but there will still be a widespread ground frost in many places."
Some values are noted around 3oC, so isolated ground frost can be expected, particularly where either open spaces that allow maximum radiation or in sheltered spots that limit air movement.
"In mainland areas the temperatures will come down to freezing point most nights with a ground frost."
Hibernacula are built by digging a large hole in the ground and then draining away the water to prevent ground frost.
even ground frost. The SYSTEM 4000 is installed on a 26,000 GVW (non-CDL) diesel chassis.
The UK Civil Aviation Authority has issued a seasonal appeal for pilots and ground crew to not underestimate the dangers posed to aircraft of ice and ground frost this winter.