Heat Advisory

NWS Louisville KY · US

Ended

This event was updated at 2026-09-18 23:56:00 UTC.

Details

Heat Advisory Has Expired

Event: Heat Advisory
Issued: 2026-09-18 00:03:00 UTC
Onset: 2026-09-18 00:03:00 UTC
Message expires: 2026-09-18 01:15:00 UTC
Expected end: 2026-09-18 00:00:00 UTC
Category: Meteorological
Urgency: Expected
Severity: Moderate
Certainty: Likely
Response: Execute

Description

Though temperatures will be slightly lower for these locations Friday, afternoon and early evening heat indices will still get in the the mid-to-upper 90s/near 100. Heat of this magnitude does pose a risk for vulnerable populations.

Affected areas

Orange County, IN
Washington
Scott County, IN
Jefferson
Harrison County, IN
Floyd County, IN
Clark County, IN
Bullitt County, KY
Jefferson
Oldham County, KY
Trimble County, KY
Henry County, KY
Shelby County, KY
Spencer County, KY
Nelson County, KY
Washington
Marion County, KY
Taylor County, KY
Adair County, KY

Public contact

Issuer: NWS Louisville KY
Website: http://www.weather.gov

Message record

Received: 2026-09-18 00:03:35 UTC
Issue to receipt: ~35s
CAP status: Actual
CAP message type: Alert
Lifecycle: Ended
Source: NWWS-OI
Feed: NWWS
Recovered: No

CAP routing and identity

ULID: 01M2RX6R8V3ZSJH2H0DM2S6V3E
Identifier: urn:oid:2.49.0.1.840.0.60bfb623e81179bc761c12b8abc54bcbd9ae9140.001.1
Sender: w-nws.webmaster@noaa.gov
Scope: Public
CAP source: 211803 v2.3.0
Handling codes: IPAWSv1.0
Issuing office: NWS Louisville KY
AWIPS ID: CAPLMK
NWWS sequence: nwws_processor.54
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.b7f031ff035dba9ffefb9b2af4985dd9cbae6f52.002.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-17 16:02:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.9afc298767719ab07208bb05a02afa2d7434ce87.001.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-17 07:21:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.65a483872b22f935c6a74e1eb17601ce42a97ecf.001.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-16 17:52:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.3507c8b2c9d7b066cd028d16568a79f412cdd26b.001.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-16 06:31:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.5e9b318c107b075897f2e14e349915a18b00b4b4.001.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-15 17:48:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.489ce5e923284d5f3e8c5f0442fbc9fd7755c1e3.001.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-15 08:11:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.23efbf87bd97289bb96109163b17ce68fed731f9.001.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-14 18:07:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.23efbf87bd97289bb96109163b17ce68fed731f9.002.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-14 18:07:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.312b8ca4935becd5c5897f5719f0b1842b1146d8.001.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-14 07:41:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.295f5d342c0123af8605d1b1e89152e9a6e0f2fa.001.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-13 17:50:00 UTC

Event codes

Name	Value
SAME	NWS
NationalWeatherService	HTY

Parameters

Name	Value
AWIPSidentifier	NPWLMK
WMOidentifier	WWUS73 KLMK 180003
NWSheadline	HEAT ADVISORY HAS EXPIRED
BLOCKCHANNEL	EAS
BLOCKCHANNEL	NWEM
VTEC	/O.EXP.KLMK.HT.Y.0012.000000T0000Z-260918T0000Z/
eventEndingTime	2026-09-17T20:00:00-04:00
BLOCKCHANNEL	CMAS
expiredReferences	w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.b7f031ff035dba9ffefb9b2af4985dd9cbae6f52.002.1,2026-09-17T12:02:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.9afc298767719ab07208bb05a02afa2d7434ce87.001.1,2026-09-17T03:21:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.65a483872b22f935c6a74e1eb17601ce42a97ecf.001.1,2026-09-16T13:52:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.3507c8b2c9d7b066cd028d16568a79f412cdd26b.001.1,2026-09-16T02:31:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.5e9b318c107b075897f2e14e349915a18b00b4b4.001.1,2026-09-15T13:48:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.489ce5e923284d5f3e8c5f0442fbc9fd7755c1e3.001.1,2026-09-15T04:11:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.23efbf87bd97289bb96109163b17ce68fed731f9.001.1,2026-09-14T14:07:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.23efbf87bd97289bb96109163b17ce68fed731f9.002.1,2026-09-14T14:07:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.312b8ca4935becd5c5897f5719f0b1842b1146d8.001.1,2026-09-14T03:41:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.295f5d342c0123af8605d1b1e89152e9a6e0f2fa.001.1,2026-09-13T13:50:00-04:00

Locations

Location data

Orange County, IN
Washington
Scott County, IN
Jefferson
Harrison County, IN
Floyd County, IN
Clark County, IN
Bullitt County, KY
Jefferson
Oldham County, KY
Trimble County, KY
Henry County, KY
Shelby County, KY
Spencer County, KY
Nelson County, KY
Washington
Marion County, KY
Taylor County, KY
Adair County, KY

Name	Value
SAME	018117
SAME	018175
SAME	018143
SAME	018077
SAME	018061
SAME	018043
SAME	018019
SAME	021029
SAME	021111
SAME	021185
SAME	021223
SAME	021103
SAME	021211
SAME	021215
SAME	021179
SAME	021229
SAME	021155
SAME	021217
SAME	021001
UGC	INZ076
UGC	INZ077
UGC	INZ078
UGC	INZ079
UGC	INZ090
UGC	INZ091
UGC	INZ092
UGC	KYZ029
UGC	KYZ030
UGC	KYZ031
UGC	KYZ032
UGC	KYZ033
UGC	KYZ034
UGC	KYZ038
UGC	KYZ045
UGC	KYZ046
UGC	KYZ054
UGC	KYZ065
UGC	KYZ077