An Arctic outbreak of cold air will expand south and east from the northern Plains through the Midwest and persist into next week. Dangerously cold wind chills are expected in the Northern Plains and Upper Midwest. Heavy lake-effect snow bands and snow showers have developed downwind of the Great Lakes, and will continue into next week. Travel could be very difficult to impossible. Read More >
Effective on March 22, 2022, the NWS Weather Forecast Office (WFO) in Greenville-Spartanburg, South Carolina (GSP) will change Public and Fire Weather Forecast Zones for Greenville, and Spartanburg Counties. After this change, all public and fire weather forecasts and related products will use the new zone numbers and names shown below. If March 22, 2022 is declared a Critical Weather Day, this implementation will be postponed to March 29. For Greenville County, which is currently comprised of two zones, it will be converted into three zones. Spartanburg County will be converted into two zones. These changes are intended to provide increased flexibility and improved accuracy of forecasts and various watches, warnings, and advisories in the public and fire weather programs. The new zones are as follows:
Greenville County:
Spartanburg County:
Additionally, the mountain zones for Greenville, Pickens and Oconee Counties will be adjusted farther north to represent the true geographic location of the South Carolina Mountains. This will necessitate changing the UGC code for these forecast zones.
The zone changes for Greenville and Spartanburg County are needed because these counties are roughly 50 miles north to south, and Spartanburg County is serviced by five school districts. Especially for winter weather, there is a clear climatological difference between the northern and southern halves of both counties, roughly split by Interstate 85. The new zone configurations for Greenville and Spartanburg Counties will allow for more location specific forecasts, watches, warnings, and advisories. By decreasing the area covered by watches, warnings, and advisories for events such as winter storms, high wind episodes, and even the occasional inland tropical cyclones, unnecessary closures of schools and businesses should be reduced in the appropriate circumstances. It will also better serve the Greenville-Spartanburg-Asheville media market.
| Current Public/Fire Zone Name / UGC | New Public/Fire Zone Name / New UGC |
| Greater Greenville / SCZ006 | Central Greenville / SCZ106 Southern Greenville / SCZ107 |
| Spartanburg / SCZ007 | Northern Spartanburg / SCZ108 Southern Spartanburg / SCZ109 |
| Oconee Mountains/ SCZ001 | Oconee Mountains/ SCZ101 |
| Pickens Mountains / SCZ002 | Pickens Mountains / SCZ102 |
| Greenville Mountains / SCZ003 | Greenville Mountains / SCZ103 |
| Greater Oconee / SCZ004 | Greater Oconee / SCZ104 |
| Greater Pickens / SCZ005 | Greater Pickens / SCZ105 |
| Product Name | WMO Header | AWIPS ID |
| Special Weather Statement | WWUS82 KGSP | SPSGSP |
| Hurricane Local Statement | WTUS82 KGSP | HLSGSP |
| Tropical Cyclone Watch/Warning | WTUS82 KGSP | TCVGSP |
| Zone Forecast Product | FPUS52 KGSP | ZFPGSP |
| Hazardous Weather Outlook | FLUS42 KGSP | HWOGSP |
| Non-Precipitation Watch/Warning/Advisory | WWUS72 KGSP | NPWGSP |
| Winter Weather Watch/Warning/Advisory | WWUS42 KGSP | WSWGSP |
| Area Forecast Matrices | FOUS52 KGSP | AFMGSP |
| Fire Weather Message | FNUS52 KGSP | FWFGSP |
| Flood/Flash Flood Watch | WGUS62 KGSP | FFAGSP |
| Hydrologic Outlook | FGUS72 KGSP | ESFGSP |
| Fire Weather Watch/Red Flag Warning | WWUS82 KGSP | RFWGSP |
| Public Information Statement | NOUS42 KGSP | PNSGSP |
| Point Forecast Matrices | FOUS52 KGSP | PFMGSP |
| Area Forecast Discussion | FXUS62 KGSP | AFDGSP |
| Precipitation and Temperature Summary | SXUS52 KGSP | HYDGSP |
| Daily River and Lake Summary | FGUS52 KGSP | RVDGSP |
| Hydrologic Statement | FGUS82 KGSP | RVSGSP |
| Hydrologic Statement | SRUS42 KGSP | RVAGSP |
| Air Quality Alert | AEUS72 KGSP | AQAGSP |
| Air Quality Forecast | AEUS72 KGSP | AQIGSP |
| Hydrologic Outlook | FGUS73 KGSP | ESFGSP |
| Flood Watch (River Fcst Point) | WGUS63 KGSP | FFAGSP |
| Trisha Palmer | John Koch |
| Warning Coordination Meteorologist | Public Program Leader |
| National Weather Service | National Weather Service |
| Greenville-Spartanburg, SC | Eastern Region Headquarters |
| 1549 GSP Drive | 630 Johnson Avenue |
| Greer, SC 29651 | Bohemia, NY 11716 |
| 864-848-9970x223 | 631-244-0104 |
| Trisha.Palmer@noaa.gov | John.Koch@noaa.gov |
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