Severe Weather Events... |
Severe Thunderstorm Warning Base
CONSIDERABLE
DESTRUCTIVE
Tornado Warning Issued when
NO TAG
CONSIDERABLE
CATASTROPHIC
Special Weather Statement
See NWSI 10-511 WFO Severe Weather Products Specification for additional information. |
Flood Events... |
Flash Flood Warning
base NO TAG
CONSIDERABLE
CATASTROPHIC
Flood Warning
Flood Advisory
Special Weather Statement
See NWSI 10-922 WFO Hydrologic Products Specification for additional information. |
Winter Weather Events...(see regional criteria map below) |
Blizzard Warning
Ice Storm Warning
Winter Storm Warning
Winter Weather Advisory
Extreme Cold Warning
Extreme Cold Advisory
Special Weather Statement
See NWSI 10-513 WFO Winter Weather Products Specifications for additional information. |
Non-Precipitation Events... |
High Wind Warning
Wind Advisory
Freeze Warning
Frost Advisory
Excessive Heat Warning
Heat Advisory
Dense Fog Advisory
Special Weather Statement
See NWSI 10-515 WFO Non-Precipitation Weather Products Specification for additional information. |
Fire Weather Events... |
Red Flag Warning for: North Carolina: two or more of the following weather criteria (1 to 4) must be occurring or expected, in addition to high (or greater) fire danger
Virginia: the following weather criteria must be met, in addition to low fuel moisture:
West Virginia: the following weather criteria must be met, in addition to low fuel moisture:
See NWSI 10-401 Fire Weather Services Product Specification for additional information. |