Dense Fog Advisory

NWS Sioux Falls SD · US

New

Details

Dense Fog Advisory Will Expire At 11 AM CDT This Morning

Event: Dense Fog Advisory
Issued: 2026-09-27 15:59:00 UTC
Onset: 2026-09-27 15:59:00 UTC
Message expires: 2026-09-27 17:00:00 UTC
Expected end: 2026-09-27 16:00:00 UTC
Category: Meteorological
Urgency: Expected
Severity: Moderate
Certainty: Likely
Response: Execute

Description

Visibilities are improving, so the Dense Fog Advisory will be allowed to expire. Visibilities of 1 mile or less may continue for the next hour in a few spots, so continue to use extra caution on the roads.

Affected areas

Gregory County, SD
Jerauld County, SD
Brule County, SD
Aurora County, SD
Davison County, SD
Hanson County, SD
Charles Mix County, SD
Douglas County, SD
Hutchinson County, SD
Bon Homme County, SD
Yankton County, SD

Public contact

Issuer: NWS Sioux Falls SD
Website: http://www.weather.gov

Message record

Received: 2026-09-27 15:59:54 UTC
Issue to receipt: ~54s
CAP status: Actual
CAP message type: Alert
Lifecycle: New
Source: NWWS-OI
Feed: NWWS
Recovered: No

CAP routing and identity

ULID: 01M3HSG9A19X35YW3PK7ZPK62Z
Identifier: urn:oid:2.49.0.1.840.0.29aededf00c7bdf950763138c9d3a86e0532da06.001.1
Sender: w-nws.webmaster@noaa.gov
Scope: Public
CAP source: 211803 v2.3.0
Handling codes: IPAWSv1.0
Issuing office: NWS Sioux Falls SD
AWIPS ID: CAPFSD
NWWS sequence: nwws_processor.5510
WMO heading: XOUS53
WMO data type: CAP alert message XML (XO)
WMO geography: United States (US)
WMO bulletin number: 53

References

Identifier: urn:oid:2.49.0.1.840.0.94e441d08eaa9852360af1ea3ed9ea4894ca2f1e.002.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-27 14:53:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.b34fd81a436b19f84d634d65bc4a8dd98b09e702.002.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-27 14:10:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.b34fd81a436b19f84d634d65bc4a8dd98b09e702.001.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-27 14:10:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.5d505cc831775a0ebd52acfe98980d3ba747d239.002.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-27 10:38:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.ae2a0aae0dd4f971eded8ef8109207c2c7cad82b.002.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-27 08:48:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.ae2a0aae0dd4f971eded8ef8109207c2c7cad82b.001.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-27 08:48:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.3fad08761d746038681f9853671e75654feaf310.002.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-27 07:11:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.3fad08761d746038681f9853671e75654feaf310.001.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-27 07:11:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.d3cd2a6c5a956014da6c96e19a58470e1998a6a9.001.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-27 06:30:00 UTC

Event codes

Name	Value
SAME	NWS
NationalWeatherService	FGY

Parameters

Name	Value
AWIPSidentifier	NPWFSD
WMOidentifier	WWUS73 KFSD 271559
NWSheadline	DENSE FOG ADVISORY WILL EXPIRE AT 11 AM CDT THIS MORNING
BLOCKCHANNEL	EAS
BLOCKCHANNEL	NWEM
VTEC	/O.EXP.KFSD.FG.Y.0018.000000T0000Z-260927T1600Z/
eventEndingTime	2026-09-27T11:00:00-05:00
BLOCKCHANNEL	CMAS
expiredReferences	w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.94e441d08eaa9852360af1ea3ed9ea4894ca2f1e.002.1,2026-09-27T09:53:00-05:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.b34fd81a436b19f84d634d65bc4a8dd98b09e702.002.1,2026-09-27T09:10:00-05:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.b34fd81a436b19f84d634d65bc4a8dd98b09e702.001.1,2026-09-27T09:10:00-05:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.5d505cc831775a0ebd52acfe98980d3ba747d239.002.1,2026-09-27T05:38:00-05:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.ae2a0aae0dd4f971eded8ef8109207c2c7cad82b.002.1,2026-09-27T03:48:00-05:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.ae2a0aae0dd4f971eded8ef8109207c2c7cad82b.001.1,2026-09-27T03:48:00-05:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.3fad08761d746038681f9853671e75654feaf310.002.1,2026-09-27T02:11:00-05:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.3fad08761d746038681f9853671e75654feaf310.001.1,2026-09-27T02:11:00-05:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.d3cd2a6c5a956014da6c96e19a58470e1998a6a9.001.1,2026-09-27T01:30:00-05:00

Locations

Location data

Gregory County, SD
Jerauld County, SD
Brule County, SD
Aurora County, SD
Davison County, SD
Hanson County, SD
Charles Mix County, SD
Douglas County, SD
Hutchinson County, SD
Bon Homme County, SD
Yankton County, SD

Name	Value
SAME	046053
SAME	046073
SAME	046015
SAME	046003
SAME	046035
SAME	046061
SAME	046023
SAME	046043
SAME	046067
SAME	046009
SAME	046135
UGC	SDZ050
UGC	SDZ052
UGC	SDZ057
UGC	SDZ058
UGC	SDZ059
UGC	SDZ060
UGC	SDZ063
UGC	SDZ064
UGC	SDZ065
UGC	SDZ068
UGC	SDZ069