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 >

Today's Weather Impact Levels (click on specific hazard for details)
Lightning	Tornado	Wind	Hail	Inland Flood	Coastal Flood	Rip Current	Waves	Visibility	Heat/Cold



Lightning Hazard

Legend (Click for Impacts)
None	No lightning
Low	Frequency <50 strikes; isolated to scattered storms
Moderate	Frequency 50-99 strikes; scattered to numerous storms.
High	Frequency 100-149 strikes; scattered to numerous storms.
Extreme	Frequency ≥ 150 strikes; numerous storms.

Lightning Impact Statement

For additional hazard information, view the full Hazardous Weather Outlook text.

Lightning Impact Definitions

Lightning Impact: None

No Lightning.

Lightning Impact: Low

Occasional cloud-to-ground Lightning is expected. Flash rates will generally be <50 in 15 minutes for any storm covering a 20 square mile area.

Lightning Impact: Moderate

Frequent cloud-to-ground lightning is expected. Flash rates will be 50 to 99 in 15 minutes, for any storm covering 20 square miles. Scattered lightning-induced fires will occur. Persons not heeding indoor lightning safety rules may be injured during the peak of the storm.

Lightning Impact: High

Dangerous Lightning Frequency Expected

Frequent to excessive cloud-to-ground lightning is expected. Flash rates will be 100 to 149 in 15 minutes, for any storm covering 20 square miles. Scattered to numerous lightning-induced fires will occur.

Persons not heeding indoor lightning safety rules may be injured during the peak of the storm. Residents caught outdoors must apply lightning safety or face possible injury or death.

Lightning Impact: Extreme

Deadly Lightning Frequency Expected

Excessive cloud-to-ground lightning is expected. Flash rates will be >149 in 15 minutes, for any storm covering 20 square miles. Numerous lightning-induced fires will occur.

Persons not heeding indoor lightning safety rules may be injured, or possibly killed, during the peak of the storm. Residents caught outdoors must apply lightning safety or face certain injury or possible death.

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

Tampa Bay Graphical Hazardous Weather Outlook