Back-to-Back Pacific Storms to Impact the West Coast; Heavy Snow in the Central Appalachians

Back-to-back powerful Pacific storm systems to impact the Pacific Northwest and northern California through the end of this week with heavy rain, flooding, strong winds, and higher elevation mountain snow. A strong, long-duration atmospheric river will accompany the Pacific storms, bringing excessive rainfall and flash flooding to southwest Oregon and northwest California through the week. 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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Back-to-Back Pacific Storms to Impact the West Coast; Heavy Snow in the Central Appalachians

Tampa Bay Graphical Hazardous Weather Outlook