Coverage Modes

Different weather, different coverage

Below is our lineup of Coverage Modes we offer when a significant weather event occurs that falls under the criteria.

Severe Coverage Mode

Severe Coverage Mode (SCM), is enabled if a significant severe weather event is occurring.

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Day 1 ENH, MDT, or HIGH convective risk issued by the SPC


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Day 1 HIGH risk for Excessive Rainfall issued by the WPC


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PDS or Emergency Tornado Warning issuance


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Flash Flood Emergency issuance

Winter Coverage Mode

Winter Coverage Mode (WCM), is enabled if a significant winter weather event is occurring.

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Winter storm that is expected to last multiple days


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Winter Storm Warnings in effect spanning across multiple states


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Multiple Ice Storm Warnings in effect


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Multiple Blizzard Warnings in effect

Tropical Coverage Mode

Tropical Coverage Mode (TCM), is enabled if a significant tropical weather event is occurring.

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Major Hurricane landfall expected in the United States (CAT 3)


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Hurricane Warning issuance


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Hurricane Watch issuance


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Storm Surge Warning issuance