FAQs • Lockport, IL • CivicEngage

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Is there a 2nd siren that goes off to signal the end of the tornado warning?: It is a policy that no "all clear" siren is set off because there is always the possibility that after an "all clear" was sounded something would redevelop.

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Tornado Sirens

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1. Do the tornado sirens run for the entire length of the tornado warning or do they shut off?: The sirens are activated upon a confirmed tornado sighting and run from 3 to 5 minutes. They do not run the entire length of the warning period.

2. Is there a 2nd siren that goes off to signal the end of the tornado warning?: It is a policy that no "all clear" siren is set off because there is always the possibility that after an "all clear" was sounded something would redevelop.

3. What resource is going to be the best for us during a storm to give us up-to-date information on the storm? Is there a website or radio station where this local information is broadcast?

The best recommendation would be to use a NOAA weather radio tuned to KZZ81 Lockport at a frequency of 162.4250. The 2nd option is to monitor your local radio stations. They are:

WJOL - 1340 AM
WSSR - 96.7 FM
WCCQ - 98.3 FM
WRXQ - 100.7 FM

4. I heard a siren in the morning and it was clear out. Why might this be?: The City of Lockport performs a test of the national siren system on the first Tuesday of the month at 10am.