Snow Across the Great Lakes, Central Appalachians, and Northeast; Unsettled Weather in the West

Light to moderate snow will continue into Saturday over the Great Lakes, Central Appalachians, and Northeast. This weekend into next week, a series of atmospheric rivers will bring gusty winds, periods of heavy rain, and mountain snow to northern California and the Pacific Northwest. Colder temperatures are in store for the weekend from the Great Lakes to East Coast. Read More >

Forecasts and Discussions

Area Forecast Discussions:

[List of abbreviations used in AFD's]

Greenville-Spartanburg Forecast Product Suite:

Graphical Forecast	Quick Forecast	Digital Forecast

Regional Forecast Products:

Loop of sea-level pressures and fronts through day 7

National Short Range Forecast Products:

National Extended Forecast Products:

National Forecast Products: Beyond 14 days

Greenville-Spartanburg Forecast Program Notes

Zone Forecasts

The NWS office in Greenville-Spartanburg issues a 7 day forecast for each of 46 counties in our county warning and forecast area (abbreviated CWA or, sometimes, CWFA), which includes upstate South Carolina, western North Carolina and extreme northeast Georgia. This product is entitled "Zone Forecast Product" and issued four times daily at approximately 4 am, 10:30 am, 3:30 pm, and 10:00 pm, but more frequently during active or changeable weather. Here is a map that displays the zone codes assigned to counties across our forecast area.

Long fused watches, warnings and advisories

The NWS office in Greenville-Spartanburg issues Watches for Floods, Flash Floods and Winter Storms. We issue Warnings for Freezes & Frosts (during the growing season), High Wind, Wind Chill and Excessive Heat. We also issue advisories for Dense Fog, Winter Weather, High Wind, Wind Chill and Excessive Heat.

Short fused weather warnings

The NWS office in Greenville-Spartanburg issues short fused warnings for tornadoes, severe thunderstorms, flooding and flash flooding for our CWA in Upstate South Carolina, western North Carolina, and northeast Georgia.

Area Forecast Discussion

The NWS office in Greenville-Spartanburg issues an Area Forecast Discussion (AFD) several times a day. The primary function of the AFD is to explain the technical and scientific basis for forecast decisions and accounts for coordination among adjacent field offices and national centers. This product also informs other government agencies, private sector meteorologists, the media and the public about the short and medium range forecast concerns.

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