Flood Advisory
NWS Tiyan GU ยท US
New
This event was updated at .
Details
Flood Advisory In Effect Until 115 PM ChST This Afternoon
- 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
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
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
- ~51s
- CAP status
- Actual
- CAP message type
- Alert
- Lifecycle
- New
- Source
- NWWS-OI
- Feed
- NWWS
- Recovered
- No
CAP routing and identity
- ULID
- 01M2Y5SGJFVDEPVTYGMYEWEPE6
- Identifier
- urn:oid:2.49.0.1.840.0.569e083b01ac5a4eee33186c517471fc5cdcb7de.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.1861
- 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 200109 |
| NWSheadline | FLOOD ADVISORY IN EFFECT UNTIL 115 PM CHST THIS AFTERNOON |
| BLOCKCHANNEL | EAS |
| BLOCKCHANNEL | NWEM |
| VTEC | /O.NEW.PGUM.FA.Y.0095.260920T0109Z-260920T0315Z/ |
| eventEndingTime | 2026-09-20T13:15:00+10:00 |
| BLOCKCHANNEL | CMAS |
Locations
Location data
- Guam, GU
| Name | Value |
|---|---|
| SAME | 066010 |
| UGC | GUC010 |
- Polygons
- 13.44,144.59 13.46,144.6 13.48,144.62 13.5,144.75 13.53,144.78 13.66,144.83 13.68,144.84 13.68,144.87 13.63,144.91 13.62,144.97 13.59,144.97 13.51,144.94 13.41,144.81 13.27,144.79 13.23,144.76 13.21,144.64 13.24,144.63 13.27,144.65 13.33,144.61 13.4,144.63 13.44,144.59