US Day 3-7 Hazards Outlook
NWS Weather Prediction Center College Park MD
332 PM EST Tue Jan 01 2019
 
Valid Friday January 04 2019 - Tuesday January 08 2019
 
Hazards:
Heavy rain across portions of California, the Central Great Basin, and the Pacific Northwest, 
Sun-Tue, Jan 6-Jan 8.
Heavy rain across portions of the Pacific Northwest and the Northern Great Basin, Mon-Tue, Jan 
7-Jan 8.
Heavy rain across portions of the Central Great Basin and California, Sat-Sun, Jan 5-Jan 6.
Heavy snow across portions of the Pacific Northwest, the Northern Rockies, and the Northern Great 
Basin, Mon-Tue, Jan 7-Jan 8.
Heavy snow across portions of the Central Rockies, the Central Great Basin, the Northern Great 
Basin, the Southern Rockies, California, the Pacific Northwest, and the Southwest, Sun-Mon, Jan 
6-Jan 7.
Heavy snow across portions of the Pacific Northwest and the Northern Great Basin, Fri-Sat, Jan 
4-Jan 5.
Heavy snow across portions of the Central Great Basin and California, Sat-Sun, Jan 5-Jan 6.
Flooding possible across portions of the Middle Mississippi Valley.
Flooding occurring or imminent across portions of the Southeast, the Mid-Atlantic, the Lower 
Mississippi Valley, and the Southern Plains.
Flooding likely across portions of the Southeast and the Tennessee Valley.
 
Detailed Summary:

A storm moving onshore over the overnight Saturday will bring high wind to the Central/Northern 
California Coast Rain one inch or greater will develop over parts of Southern California overnight 
Saturday into Sunday morning. The system will also produce 6 inches or more snow over parts the 
Northern Cascades on Friday into Saturday. 6 inches or more snow will also develop over parts of 
the Sierras on Sunday into Monday.  

A tight pressure gradient over the Upper Great Lakes between high pressure over East-Central Canada 
and low pressure over the Northern Plains/Upper Mississippi Valley will produce high wind on 
Monday. 

Ziegenfelder