Flood Advisory
NWS Tiyan GU ยท US
New
Details
Flood Advisory In Effect Until 930 PM ChST This Evening
- Event
- Flood Advisory
- Issued
- Onset
- Message expires
- Expected end
- Category
- Meteorological
- Urgency
- Expected
- Severity
- Minor
- Certainty
- Likely
- Response
- Avoid
Description
What
Urban area and small stream flooding caused by excessive rainfall is expected.
Where
Southwestern Guam...
When
Until 930 PM ChST.
Impacts
Minor flooding in low-lying and poor drainage areas.
Additional details
- At 804 PM ChST, Doppler radar indicated heavy rain due to thunderstorms. This will cause urban and small stream flooding. - Some locations that will experience flooding include... Mangilao, Chalan Pago-Ordot, Yona, Hagatna Heights, Talofofo, Mongmong-Toto-Maite, Sinajana, Inarajan, Asan, Merizo, Piti, Santa Rita and Umatac. - http://www.weather.gov/safety/flood
Instructions
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.
Affected areas
- Guam, GU
Public contact
- Issuer
- NWS Tiyan GU
- Website
- http://www.weather.gov
Message record
- Received
- Issue to receipt
- ~39s
- CAP status
- Actual
- CAP message type
- Alert
- Lifecycle
- New
- Source
- NWWS-OI
- Feed
- NWWS
- Recovered
- No
CAP routing and identity
- ULID
- 01M2WJ01MB141S2ER9WYSMCH9W
- Identifier
- urn:oid:2.49.0.1.840.0.2be3a7f8f25e3dcecab1cbe31cf0e3541c2f3ab6.001.1
- Sender
- w-nws.webmaster@noaa.gov
- Scope
- Public
- CAP source
- 211803 v2.3.0
- Handling codes
- IPAWSv1.0
- Issuing office
- NWS Tiyan GU
- AWIPS ID
- CAPGUM
- NWWS sequence
- nwws_processor.7022
- WMO heading
- XOMY50
- WMO data type
- CAP alert message XML (XO)
- WMO bulletin number
- 50
Event codes
| Name | Value |
|---|---|
| SAME | NWS |
| NationalWeatherService | FAY |
Parameters
| Name | Value |
|---|---|
| AWIPSidentifier | FLSGUM |
| WMOidentifier | WGMY80 PGUM 191004 |
| NWSheadline | FLOOD ADVISORY IN EFFECT UNTIL 930 PM CHST THIS EVENING |
| BLOCKCHANNEL | EAS |
| BLOCKCHANNEL | NWEM |
| VTEC | /O.NEW.PGUM.FA.Y.0093.260919T1004Z-260919T1130Z/ |
| eventEndingTime | 2026-09-19T21:30:00+10:00 |
| BLOCKCHANNEL | CMAS |
Locations
Location data
- Guam, GU
| Name | Value |
|---|---|
| SAME | 066010 |
| UGC | GUC010 |
- Polygons
- 13.33,144.61 13.37,144.61 13.4,144.63 13.42,144.62 13.45,144.59 13.46,144.6 13.49,144.66 13.5,144.73 13.43,144.83 13.41,144.81 13.32,144.8 13.25,144.77 13.23,144.76 13.22,144.75 13.22,144.73 13.25,144.63 13.27,144.65 13.32,144.63 13.33,144.61