Heat Advisory

NWS Tulsa OK · US

Updated

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

Details

Heat Advisory Now In Effect From Noon To 7 PM CDT Thursday

Event: Heat Advisory
Issued: 2026-09-17 03:38:00 UTC
Onset: 2026-09-17 17:00:00 UTC
Message expires: 2026-09-17 21:00:00 UTC
Expected end: 2026-09-18 00:00:00 UTC
Category: Meteorological
Urgency: Expected
Severity: Moderate
Certainty: Likely
Response: Execute

Description

What

Heat index values up to 108 expected.

Where

Portions of northwest and west central Arkansas and east central, northeast, and southeast Oklahoma.

When

From noon to 7 PM CDT Thursday.

Impacts

Heat related illnesses are possible especially impacting those not acclimated to the conditions or those performing strenuous activities.

Instructions

Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.

Affected areas

North and Central Sebastian
Southern Crawford
Central and Southern Franklin
Washington County, OK
Nowata County, OK
Craig County, OK
Ottawa County, OK
Tulsa County, OK
Rogers County, OK
Mayes County, OK
Delaware County, OK
Okmulgee County, OK
Wagoner County, OK
Cherokee County, OK
Adair County, OK
Muskogee County, OK
McIntosh County, OK
Pittsburg County, OK
Haskell County, OK
Latimer County, OK
Northern Sequoyah
Northern Le Flore
Central and Southern Sequoyah

Public contact

Issuer: NWS Tulsa OK
Website: http://www.weather.gov

Message record

Received: 2026-09-17 03:38:59 UTC
Issue to receipt: ~59s
CAP status: Actual
CAP message type: Update
Lifecycle: Updated
Source: NWWS-OI
Feed: NWWS
Recovered: No

CAP routing and identity

ULID: 01M2PQ4E2KBR38KZ86SDXP7SB5
Identifier: urn:oid:2.49.0.1.840.0.a3e026ee87187b5b95e2cd4f735e076e98a2a56d.002.1
Sender: w-nws.webmaster@noaa.gov
Scope: Public
CAP source: 211803 v2.3.0
Handling codes: IPAWSv1.0
Issuing office: NWS Tulsa OK
AWIPS ID: CAPTSA
NWWS sequence: nwws_processor.5104
WMO heading: XOUS54
WMO data type: CAP alert message XML (XO)
WMO geography: United States (US)
WMO bulletin number: 54

References

Identifier: urn:oid:2.49.0.1.840.0.24b60651f4f2e0cee5bd851fbfa5c1f95e08234f.001.2
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-16 23:53:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.08481acc4824dc79936d79a541de7fd891b4ea16.001.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-16 17:03:00 UTC

Event codes

Name	Value
SAME	NWS
NationalWeatherService	HTY

Parameters

Name	Value
AWIPSidentifier	NPWTSA
WMOidentifier	WWUS74 KTSA 170338
NWSheadline	HEAT ADVISORY NOW IN EFFECT FROM NOON TO 7 PM CDT THURSDAY
BLOCKCHANNEL	EAS
BLOCKCHANNEL	NWEM
VTEC	/O.EXT.KTSA.HT.Y.0062.260917T1700Z-260918T0000Z/
eventEndingTime	2026-09-17T19:00:00-05:00
BLOCKCHANNEL	CMAS
expiredReferences	w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.08481acc4824dc79936d79a541de7fd891b4ea16.001.1,2026-09-16T12:03:00-05:00

Locations

Location data

North and Central Sebastian
Southern Crawford
Central and Southern Franklin
Washington County, OK
Nowata County, OK
Craig County, OK
Ottawa County, OK
Tulsa County, OK
Rogers County, OK
Mayes County, OK
Delaware County, OK
Okmulgee County, OK
Wagoner County, OK
Cherokee County, OK
Adair County, OK
Muskogee County, OK
McIntosh County, OK
Pittsburg County, OK
Haskell County, OK
Latimer County, OK
Northern Sequoyah
Northern Le Flore
Central and Southern Sequoyah

Name	Value
SAME	005131
SAME	005033
SAME	005047
SAME	040147
SAME	040105
SAME	040035
SAME	040115
SAME	040143
SAME	040131
SAME	040097
SAME	040041
SAME	040111
SAME	040145
SAME	040021
SAME	040001
SAME	040101
SAME	040091
SAME	040121
SAME	040061
SAME	040077
SAME	040135
SAME	040079
UGC	ARZ129
UGC	ARZ219
UGC	ARZ220
UGC	OKZ055
UGC	OKZ056
UGC	OKZ057
UGC	OKZ058
UGC	OKZ060
UGC	OKZ061
UGC	OKZ062
UGC	OKZ063
UGC	OKZ066
UGC	OKZ067
UGC	OKZ068
UGC	OKZ069
UGC	OKZ070
UGC	OKZ071
UGC	OKZ073
UGC	OKZ074
UGC	OKZ075
UGC	OKZ172
UGC	OKZ176
UGC	OKZ272