GLOBAL DISASTER TRACKING & BREAKING HAZARD UPDATESOFFICIAL SOURCES. CLEAR CONTEXT.
StormScapes
Search⌖ Hazards near me
STORMSCAPES / INCIDENT REPORT

Flood Advisory — Guam, GU

Structured official-source report · Published Sep 20, 1:15 AM UTC · Updated Sep 20, 3:12 AM UTC
INFO · active

Latest status

* WHAT...Urban area and small stream flooding caused by excessive rainfall continues. * WHERE...Guam... * WHEN...Until 215 PM ChST. * IMPACTS...Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS... - At 110 PM ChST, trained weather spotters reported heavy rain in the advisory area due to thunderstorms. This will cause urban and small stream flooding. Between 1.3 and 2 inches of rain have fallen. - Additional rainfall amounts of 0.5 to 1 inch are expected over the area. This additional rain will result in minor flooding. - Heavy rain is now isolated to central Guam but could extend to the southern and northern regions later this afternoon. - http://www.weather.gov/safety/flood Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.

Where it happened

Guam, GU · 13.456°, 144.751°

Explore on the map →

Latest reported details

official severity
Minor
urgency
Expected
certainty
Likely
event
Flood Advisory
areas
Guam, GU

Missing values are unconfirmed, not zero. Magnitude and alert classifications do not establish casualty totals.

What officials are saying

Read the original reports below for instructions and the latest authoritative assessment. StormScapes does not independently confirm damage or issue evacuation orders.

What happens next

Follow updates from the responsible agency and local emergency management. Reports can change as new information becomes available.

Incident timeline

Sep 20, 3:12 AM UTC · nws

* WHAT...Urban area and small stream flooding caused by excessive rainfall continues. * WHERE...Guam... * WHEN...Until 215 PM ChST. * IMPACTS...Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS... - At 110 PM ChST, trained weather spotters reported heavy rain in the advisory area due to thunderstorms. This will cause urban and small stream flooding. Between 1.3 and 2 inches of rain have fallen. - Additional rainfall amounts of 0.5 to 1 inch are expected over the area. This additional rain will result in minor flooding. - Heavy rain is now isolated to central Guam but could extend to the southern and northern regions later this afternoon. - http://www.weather.gov/safety/flood Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.

Sep 20, 1:09 AM UTC · nws

* WHAT...Urban area and small stream flooding caused by excessive rainfall is expected. * WHERE...Guam... * WHEN...Until 115 PM ChST. * IMPACTS...Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS... - At 1107 AM ChST, Doppler radar indicated heavy rain due to thunderstorms. This will cause urban and small stream flooding. Between 0.5 and 0.8 inches of rain have fallen. - Additional rainfall amounts of 1.5 to 3 inches are expected over the area. This additional rain will result in minor flooding. - Current heavy showers are over the southern and northern half of Guam but are expected to expand across the island. - http://www.weather.gov/safety/flood Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.

Related incidents

FloodingSIGNIFICANT

Flood Watch — Muscatine; Rock Island

Muscatine; Rock Island · Sep 20, 3:12 AM UTC · active

FloodingSIGNIFICANT

Flood Watch — Louisa; Des Moines

Louisa; Des Moines; Mercer; Henderson · Sep 20, 3:12 AM UTC · active

FloodingSIGNIFICANT

Flood Watch — Hancock; Clark

Hancock; Clark · Sep 20, 3:12 AM UTC · active

FloodingSIGNIFICANT

Flood Watch — Des Moines; Lee

Des Moines; Lee; Henderson; Hancock · Sep 20, 3:12 AM UTC · active