EAS EAS Alert Codes and Message Structure

Question 1

Which EAS event code is used for a Tornado Warning?

Accepted Answer

TOR

Answer

TOR is the three-letter EAS event code assigned to Tornado Warning alerts issued by the National Weather Service.

Question 2

What does the EAS event code 'EAN' represent?

Accepted Answer

Emergency Action Notification (national-level presidential alert)

Answer

EAN stands for Emergency Action Notification, the highest-priority EAS alert used for presidential addresses and national emergencies.

Question 3

How is the geographic area specified in a SAME EAS header?

Accepted Answer

Using FIPS codes (Federal Information Processing Standard county codes)

Answer

SAME headers use FIPS codes to identify the specific counties or county equivalents affected by an EAS alert.

Question 4

What is the maximum number of FIPS location codes that can be included in a single SAME EAS header?

Accepted Answer

31

Answer

A SAME EAS header can include up to 31 FIPS location codes, allowing an alert to cover multiple counties in one transmission.

Question 5

What does the purge time field in a SAME EAS header indicate?

Accepted Answer

The time period for which the alert is valid

Answer

The purge time (also called valid time or duration) in a SAME header specifies how long the alert should remain active before expiring.

EAS - Emergency Alert System Test Practice Test