... Dense fog advisory now in effect until 8 am EDT this morning...
* location... Nantucket
* visibilities... one quarter mile or less at times.
* Timing... through the morning.
* Impacts... visibility of a quarter mile or less will be
hazardous to those traveling. Expect rapid changes in
visibility if on area roadways.
A dense fog advisory means visibilities will frequently be
reduced to less than one quarter mile, for at least 3 hours. If
driving, slow down, use your headlights, and leave plenty of
distance ahead of you.
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Nantucket Severe Watches & Warnings NOAA Weather Radio
Watches & Warnings
Dense Fog Advisory
Issued: 2:33 AM EDT Jul. 21, 2017 – National Weather Service