Warning Vector

Flood Advisory

NWS Denver CO ยท US

New

Details

Flood Advisory In Effect Until 630 PM MDT This Evening

Event
Flood Advisory
Issued
Onset
Message expires
Expected end
Category
Meteorological
Urgency
Expected
Severity
Minor
Certainty
Likely
Response
Avoid

Description

What

Flooding caused by excessive rainfall is expected.

Where

Eastern Jefferson County in central Colorado... Southwestern Adams County in northeastern Colorado... Central Arapahoe County in northeastern Colorado... Southwestern Denver County in northeastern Colorado...

When

Until 630 PM MDT.

Impacts

Minor flooding in low-lying and poor drainage areas.

Additional details

- At 429 PM MDT, Doppler radar indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. From 1.00 to 1.25 inches of rain has fallen. - This includes the following streams and drainages... Ralston Creek, South Platte River, East Toll Gate Creek, First Creek, Little Dry Creek, Toll Gate Creek, Clear Creek, Big Dry Creek, Westerly Creek, West Toll Gate Creek, Coal Creek, Willow Creek, Sand Creek, Van Bibber Creek and Cherry Creek. Additional rainfall amounts up to 0.5 inches are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Denver, western Aurora, southwestern Centennial, eastern Littleton, eastern Wheat Ridge, Greenwood Village, Cherry Hills Village, Edgewater, Mountain View and Cherry Creek Reservoir.

Instructions

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Excessive runoff from heavy rainfall will cause minor flooding of small creeks and streams, highways, streets, underpasses, drainage areas and other low lying spots.

Affected areas

  • Adams County, CO
  • Arapahoe County, CO
  • Denver County, CO
  • Jefferson County, CO

Public contact

Issuer
NWS Denver CO

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
01M3DB0FW34WJZB5HAJ53SH5Z2
Identifier
urn:oid:2.49.0.1.840.0.0161273e47fcf167203cdb2381d2900e9467bf9d.001.1
Sender
w-nws.webmaster@noaa.gov
Scope
Public
CAP source
211803 v2.3.0
Handling codes
IPAWSv1.0
Issuing office
NWS Denver CO
AWIPS ID
CAPBOU
NWWS sequence
nwws_processor.7224
WMO heading
XOUS55
WMO data type
CAP alert message XML (XO)
WMO geography
United States (US)
WMO bulletin number
55

Event codes

NameValue
SAMENWS
NationalWeatherServiceFAY

Parameters

NameValue
AWIPSidentifierFLSBOU
WMOidentifierWGUS85 KBOU 252229
NWSheadlineFLOOD ADVISORY IN EFFECT UNTIL 630 PM MDT THIS EVENING
BLOCKCHANNELEAS
BLOCKCHANNELNWEM
VTEC/O.NEW.KBOU.FA.Y.0164.260925T2229Z-260926T0030Z/
eventEndingTime2026-09-25T18:30:00-06:00
BLOCKCHANNELCMAS
Locations

Location data

  • Adams County, CO
  • Arapahoe County, CO
  • Denver County, CO
  • Jefferson County, CO
NameValue
SAME008001
SAME008005
SAME008031
SAME008059
UGCCOC001
UGCCOC005
UGCCOC031
UGCCOC059
Polygons
39.8,-105.1 39.79,-105.08 39.79,-104.77 39.77,-104.71 39.75,-104.7 39.7,-104.79 39.63,-104.81 39.58,-104.84 39.57,-104.88 39.57,-105.03 39.59,-105.03 39.61,-104.98 39.65,-104.96 39.68,-105.0 39.68,-105.02 39.7,-105.03 39.71,-105.07 39.74,-105.07 39.75,-105.09 39.8,-105.1