Extreme Wind Warning for Guam, GU
Official alert fields
What you need to know
- Applies to
- Guam
- Effective
- Ends or expires
- Official severity
- Extreme
- Official urgency
- Immediate
- Official certainty
- Observed
What is happening
EWWGUM The National Weather Service in Tiyan Guam has issued a * Extreme Wind Warning for... Southern Guam in Guam... * Until 530 AM ChST. * At 326 AM ChST, Andersen AFB Doppler radar indicated extreme winds, associated with the northern eyewall of Typhoon Champi, were moving onshore from Talofofo southward, moving...
What the bulletin says to do
Destructive winds of 115 to 135 mph will spread across far southern Guam, producing swaths of significant to catastrophic damage, particularly to non-concrete structures. TAKE COVER NOW! The safest place to be during a major typhoon passage is in a reinforced interior room away from windows. If you are not in a fully-concrete structure, get under a table or other piece of sturdy furniture. Use mattresses, blankets or pillows to cover your head and body. Remain in place through the passage of these life-threatening conditions.
Full official description
Bulletin details
EWWGUM The National Weather Service in Tiyan Guam has issued a * Extreme Wind Warning for... Southern Guam in Guam... * Until 530 AM ChST. * At 326 AM ChST, Andersen AFB Doppler radar indicated extreme winds, associated with the northern eyewall of Typhoon Champi, were moving onshore from Talofofo southward, moving west at 15 mph. THIS IS AN EXTREMELY DANGEROUS AND LIFE-THREATENING SITUATION! * Locations impacted include... Talofofo, Inarajan, Merizo, Santa Rita, and Umatac.
Official geometry where available
Alert boundary
Lifecycle record
Official revisions
- Alert
Extreme Wind Warning issued October 18 at 3:26AM ChST until October 18 at 5:30AM ChST by NWS Tiyan GU
Official revision
Source and limitations
Publisher: Weather Alert Watch. Primary source: NWS Tiyan GU. This page reorganizes official fields and does not add a forecast or expand the affected area.
- CAP status
- Actual
- Message type
- Alert
- Last collected