EAS EAS Event Codes and Area Designations 1 — Questions and Answers
Question 1: What EAS event code is used for a Winter Storm Warning?
- WSW (Correct answer)
- WNT
- WIW
- STW
Correct answer: WSW
WSW is the EAS event code for a Winter Storm Warning, indicating dangerous winter storm conditions including heavy snow or ice.
Question 2: How are FIPS codes structured to identify a specific county in an EAS SAME header?
- A 6-digit code: 2-digit state FIPS + 3-digit county FIPS, prefixed by a subdivision digit (Correct answer)
- A 5-digit ZIP code of the county seat
- A 4-character NWS zone identifier
- A 10-digit latitude/longitude coordinate pair
Correct answer: A 6-digit code: 2-digit state FIPS + 3-digit county FIPS, prefixed by a subdivision digit
EAS SAME headers use a 6-digit FIPS-based code consisting of a subdivision digit plus the 2-digit state code and 3-digit county code.
Question 3: What does a FIPS code of '000000' (all zeros) in a SAME EAS header indicate?
- The alert applies to the entire country (nationwide coverage) (Correct answer)
- The alert has no designated geographic area
- The FIPS lookup failed and default area is used
- The alert is a test with no real geographic scope
Correct answer: The alert applies to the entire country (nationwide coverage)
When the FIPS code is all zeros in a SAME header, it signifies the alert covers the entire United States, used for national-level activations.
Question 4: What EAS event code is used for a Severe Weather Statement?
- SVS (Correct answer)
- SWS
- SEW
- SVA
Correct answer: SVS
SVS is the EAS event code for a Severe Weather Statement, which provides updates or cancellations related to ongoing severe weather events.
Question 5: Which EAS event code indicates a Volcano Warning?
- VOW (Correct answer)
- VLC
- VWW
- VOL
Correct answer: VOW
VOW is the EAS event code for a Volcano Warning, used when volcanic activity poses an immediate threat to life and safety.
Question 6: What is the EAS event code for a Local Area Emergency?
- LAE (Correct answer)
- LOC
- LCE
- ALE
Correct answer: LAE
LAE is the event code for a Local Area Emergency, a flexible code used by local civil authorities for emergencies without a more specific designated code.
What EAS event code is used for a Winter Storm Warning?