Warning Vector

Dense Fog Advisory

NWS Chicago IL ยท US

New
This event was updated at .

Details

Dense Fog Advisory In Effect Until 3 PM CDT This Afternoon

Event
Dense Fog Advisory
Issued
Onset
Message expires
Expected end
Category
Meteorological
Urgency
Expected
Severity
Minor
Certainty
Likely
Response
Prepare

Description

What

Dense fog will reduce visibility to less than 1 mile at times into this afternoon.

Where

Winthrop Harbor to Wilmette Harbor IL.

When

Until 3 PM CDT this afternoon.

Impacts

Low visibility will make navigation difficult.

Instructions

If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass.

Affected areas

  • Winthrop Harbor to Wilmette Harbor IL

Public contact

Issuer
NWS Chicago IL

Message record

Received
Issue to receipt
~1m6s
CAP status
Actual
CAP message type
Alert
Lifecycle
New
Source
NWWS-OI
Feed
NWWS
Recovered
No
CAP routing and identity
ULID
01M2R0XAJZZ4RPX0NEGA849A1R
Identifier
urn:oid:2.49.0.1.840.0.3438beeb4ad220cfbe2c116a17d975ff92b4c898.001.1
Sender
w-nws.webmaster@noaa.gov
Scope
Public
CAP source
211803 v2.3.0
Handling codes
IPAWSv1.0
Issuing office
NWS Chicago IL
AWIPS ID
CAPLOT
NWWS sequence
nwws_processor.5342
WMO heading
XOUS53
WMO data type
CAP alert message XML (XO)
WMO geography
United States (US)
WMO bulletin number
53

Event codes

NameValue
SAMENWS
NationalWeatherServiceMFY

Parameters

NameValue
AWIPSidentifierMWWLOT
WMOidentifierWHUS73 KLOT 171548
NWSheadlineDENSE FOG ADVISORY IN EFFECT UNTIL 3 PM CDT THIS AFTERNOON
BLOCKCHANNELEAS
BLOCKCHANNELNWEM
VTEC/O.NEW.KLOT.MF.Y.0013.260917T1548Z-260917T2000Z/
eventEndingTime2026-09-17T15:00:00-05:00
BLOCKCHANNELCMAS
Locations

Location data

  • Winthrop Harbor to Wilmette Harbor IL
NameValue
SAME092740
UGCLMZ740