Warning Vector

Flash Flood Warning

NWS Tiyan GU ยท US

Updated

Details

Flash Flood Warning Will Expire At 945 PM ChST This Evening For Southwestern Guam

Event
Flash Flood Warning
Issued
Onset
Message expires
Expected end
Category
Meteorological
Urgency
Immediate
Severity
Severe
Certainty
Likely
Response
Avoid

Description

Heavy rainfall that led to flash flooding has ended. Rain could still lead to urban and small stream flooding for the next hour. A Flood Advisory remains in effect.

Affected areas

  • Guam, GU

Public contact

Issuer
NWS Tiyan GU

Message record

Received
Issue to receipt
~21s
CAP status
Actual
CAP message type
Update
Lifecycle
Updated
Source
NWWS-OI
Feed
NWWS
Recovered
No
CAP routing and identity
ULID
01M2WQJYRRBV437Z3RXC71ZV7K
Identifier
urn:oid:2.49.0.1.840.0.f7b3ce2236cb0b8637ca4b34c33db88339906f13.001.1
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.9457
WMO heading
XOMY50
WMO data type
CAP alert message XML (XO)
WMO bulletin number
50

References

Sender
w-nws.webmaster@noaa.gov
Sent

Event codes

NameValue
SAMEFFS
NationalWeatherServiceFFW

Parameters

NameValue
AWIPSidentifierFFSGUM
WMOidentifierWGMY70 PGUM 191142
NWSheadlineFLASH FLOOD WARNING WILL EXPIRE AT 945 PM CHST THIS EVENING FOR SOUTHWESTERN GUAM
BLOCKCHANNELEAS
BLOCKCHANNELNWEM
EAS-ORGWXR
VTEC/O.EXP.PGUM.FF.W.0032.000000T0000Z-260919T1145Z/
eventEndingTime2026-09-19T21:45:00+10:00
BLOCKCHANNELCMAS
Locations

Location data

  • Guam, GU
NameValue
SAME066010
UGCGUC010
Polygons
13.35,144.64 13.37,144.65 13.34,144.64 13.42,144.68 13.38,144.75 13.27,144.76 13.25,144.72 13.28,144.67 13.29,144.66 13.3,144.66 13.29,144.65 13.33,144.64 13.31,144.66 13.35,144.63 13.35,144.64