WIND VANE
– An instrument that determines the direction from which a wind is blowing.
WINDY
WINTER WEATHER ADVISORY
– An advisory issued when snow is expected to create hazardous or restricted travel conditions, but not as severe as expected with a winter storm.
WRCC
– Western Regional Climate Center, Reno, NV.
X
X-BAND –
a frequency band of microwave radiation in which radars operate.
Z
ZFP
– Zone Forecast Product. The collective of public forecasts for a NWS office area of responsibility.