Subj : Wx Terms (W)(4)
To   : All
From : Daryl Stout
Date : Tue Oct 24 2017 12:06 am

WSW
Winter Storm Message

WTMP
On a buoy report, the sea surface temperature (Celsius).

WTR
Water Equivalent

WV
1. Water Vapor (satellite imagery) 

2. Wave 

3. West Virginia

WVHT
On a buoy report, significant wave height (meters) is calculated as the
average of the highest one-third of all of the wave heights during the
20-minute sampling period.

WW
Severe Thunderstorm or Tornado Watch

WWH
On a buoy report, Wind Wave Height is the vertical distance (meters)
between any wind wave crest and the succeeding wind wave trough
(independent of swell waves).

WWP
On a buoy report, Wind Wave Period is the time (in seconds) that it takes
successive wind wave crests or troughs to pass a fixed point.

WWV
National Institute of Standards and Technology (NIST) radio stations
which broadcast a time and frequency service commonly known to mariners
as the "Time Tick", used as an aid in celestial navigation. Included in
these are hourly voice broadcasts of current warnings for the Atlantic,
Pacific and Gulf of Mexico provided by the National Weather Service.

WWVH
National Institute of Standards and Technology (NIST) radio stations
which broadcast a time and frequency service commonly known to mariners
as the "Time Tick", used as an aid in celestial navigation. Included in
these are hourly voice broadcasts of current warnings for the Atlantic,
Pacific and Gulf of Mexico provided by the National Weather Service.

WX
Weather


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