upwind

American  

[uhp-wind, uhp-wind] / ˈʌpˈwɪnd, ˈʌpˌwɪnd /

adverb

1. toward or against the wind or the direction from which it is blowing.

   The hunters stalked upwind.

---

adjective

1. moving or situated toward or in the direction from which the wind is blowing.

   an upwind leap; the upwind portions of the aircraft.

noun

1. a wind that blows against one's course or up a slope.

upwind British  

/ ˈʌpˈwɪnd /

adverb

1. into or against the wind

2. towards or on the side where the wind is blowing; windward

---

adjective

1. going against the wind

   the upwind leg of the course

2. on the windward side

   the upwind side of the house has weathered

Etymology

Origin of upwind

First recorded in 1830–40; up- + wind ¹

Example Sentences

Residents upwind of the fire were ordered to evacuate and those downwind to stay in place.

From Los Angeles Times

South Korea is located downwind of China, and it serves as an example of how a small country can be affected by pollution from a much larger upwind neighbor.

From Science Daily

He had noticed that deer seemed to spook if he was upwind of them.

From Los Angeles Times

This, he added, should include sampling upwind and downwind of the fire and analyzing how the wind may have affected debris movement.

From Los Angeles Times

Satellites also provide crucial information on fire locations and upwind pollution needed for forecasting where the smoke will go and how bad pollution levels will be.

From Scientific American