Flash Flood Warning for Guam, GU
Official alert fields
What you need to know
- Applies to
- Guam
- Effective
- Ends or expires
- Official severity
- Severe
- Official urgency
- Immediate
- Official certainty
- Likely
What is happening
At 923 PM ChST, Doppler radar indicated heavy rain across the warned area. Between 1 and 2 inches of rain have fallen. Torrential rain will continue through the night. TY Champi is anticipated to bring 8 to 14 inches of rain as it passes. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash...
What the bulletin says to do
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding.
Full official description
Bulletin details
At 923 PM ChST, Doppler radar indicated heavy rain across the warned area. Between 1 and 2 inches of rain have fallen. Torrential rain will continue through the night. TY Champi is anticipated to bring 8 to 14 inches of rain as it passes. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by heavy rain. SOURCE...Radar indicated. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. Some locations that will experience flash flooding include... Guam
Official geometry where available
Alert boundary
Lifecycle record
Official revisions
- Update
Flash Flood Warning issued October 17 at 9:23PM ChST until October 18 at 3:30AM ChST by NWS Tiyan GU
Official revision - Alert
Flash Flood Warning issued October 17 at 7:28PM ChST until October 18 at 3:30AM 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
- Update
- Last collected