Watches, Warnings, and Advisories

Current Watches, Warnings and Advisories for Jefferson (COC059) Colorado Issued by the National Weather Service


Winter Weather Advisory Winter Weather Advisory - Jefferson (Colorado)

Updated:Mon, 30-Nov-2015 3:38pm MST
Effective:Mon, 30-Nov-2015 3:38pm MST
Expires:Tue, 01-Dec-2015 12:00pm MST

Areas affected: Boulder And Jefferson Counties Below 6000 Feet, West Broomfield County; Central and Southeast Park County; Jefferson and West Douglas Counties Above 6000 Feet, Gilpin, Clear Creek, Northeast Park Counties Below 9000 Feet; Larimer County Below 6000 Feet, Northwest Weld County; Larimer and Boulder Counties Between 6000 and 9000 Feet
Instructions: A winter weather advisory for snow means that periods of snow will cause primarily travel difficulties. Be prepared for snow covered roads and limited visibilities...and use caution while driving.

Message summary: ...strong winds tonight and tuesday with blowing snow in the foothills and adjacent plains. .strong downsloping winds are expected across the mountains and foothills and adjacent plains of northeast and north central colorado tonight and tuesday. Snowfall is expected in the high mountains above 9000 feet overnight...tapering off on tuesday morning...but the snow on the ground in the foothills and adjacent plains will be blowing around with the strong winds. Driving will be hazardous in these areas.
...winter weather advisory in effect from 11 pm this evening to noon mst tuesday...
The national weather service in denver has issued a winter weather advisory for blowing snow...which is in effect from 11 pm this evening to noon mst tuesday.
* timing...strong winds will develop later this evening causing blowing snow. The winds will begin to decrease slowly tuesday afternoon.
* wind/visibility...strong west northwesterly winds at 20 to 35 mph with gusts as high as 60 mph possible. The blowing snow produced by these strong winds could drop visibilities down to zero due to ground blizzards.
* in these areas will be treacherous with roads becoming snowpacked due to snow blowing across them.
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Source: NWS Watches, Warnings or Advisories for zone COC059

national advisories