Heat Advisory
NWS Huntsville AL ยท US
Details
Heat Advisory Now In Effect Until 8 PM CDT Saturday
- Event
- Heat Advisory
- Issued
- Onset
- Message expires
- Expected end
- Category
- Meteorological
- Urgency
- Expected
- Severity
- Moderate
- Certainty
- Likely
- Response
- Execute
Description
What
Heat index values up to 109.
Where
In Alabama, Limestone, Madison, Morgan, Colbert, Franklin AL, Lauderdale, and Lawrence Counties. In Tennessee, Lincoln and Moore Counties.
When
Until 8 PM CDT Saturday.
Impacts
Hot temperatures and high humidity may cause heat illnesses.
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. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.
Affected areas
- Lauderdale County, AL
- Colbert County, AL
- Franklin County, AL
- Lawrence County, AL
- Limestone County, AL
- Madison County, AL
- Morgan County, AL
- Moore County, TN
- Lincoln County, TN
Public contact
- Issuer
- NWS Huntsville AL
- Website
- http://www.weather.gov
Message record
- Received
- Issue to receipt
- ~1m1s
- CAP status
- Actual
- CAP message type
- Update
- Lifecycle
- Updated
- Source
- NWWS-OI
- Feed
- NWWS
- Recovered
- No
CAP routing and identity
- ULID
- 01M2MD18RWC9Y3S648EGZTY7E5
- Identifier
- urn:oid:2.49.0.1.840.0.88537509e0b68a7b57b4b2ba9ff6c849e1ed70b6.002.1
- Sender
- w-nws.webmaster@noaa.gov
- Scope
- Public
- CAP source
- 211803 v2.3.0
- Handling codes
- IPAWSv1.0
- Issuing office
- NWS Huntsville AL
- AWIPS ID
- CAPHUN
- NWWS sequence
- nwws_processor.58
- WMO heading
- XOUS54
- WMO data type
- CAP alert message XML (XO)
- WMO geography
- United States (US)
- WMO bulletin number
- 54
References
- Sender
- w-nws.webmaster@noaa.gov
- Sent
- Identifier
- urn:oid:2.49.0.1.840.0.934a81788b80f47bc397924483ac2d94101b1953.001.1
- Sender
- w-nws.webmaster@noaa.gov
- Sent
- Identifier
- urn:oid:2.49.0.1.840.0.52251e7dc9177b815cfa6481f13982ff3aea4bea.001.1
- Sender
- w-nws.webmaster@noaa.gov
- Sent
Event codes
| Name | Value |
|---|---|
| SAME | NWS |
| NationalWeatherService | HTY |
Parameters
| Name | Value |
|---|---|
| AWIPSidentifier | NPWHUN |
| WMOidentifier | WWUS74 KHUN 160603 |
| NWSheadline | HEAT ADVISORY NOW IN EFFECT UNTIL 8 PM CDT SATURDAY |
| BLOCKCHANNEL | EAS |
| BLOCKCHANNEL | NWEM |
| VTEC | /O.EXT.KHUN.HT.Y.0009.000000T0000Z-260920T0100Z/ |
| eventEndingTime | 2026-09-19T20:00:00-05:00 |
| BLOCKCHANNEL | CMAS |
| expiredReferences | w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.934a81788b80f47bc397924483ac2d94101b1953.001.1,2026-09-14T05:45:00-05:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.52251e7dc9177b815cfa6481f13982ff3aea4bea.001.1,2026-09-13T12:11:00-05:00 |
Locations
Location data
- Lauderdale County, AL
- Colbert County, AL
- Franklin County, AL
- Lawrence County, AL
- Limestone County, AL
- Madison County, AL
- Morgan County, AL
- Moore County, TN
- Lincoln County, TN
| Name | Value |
|---|---|
| SAME | 001077 |
| SAME | 001033 |
| SAME | 001059 |
| SAME | 001079 |
| SAME | 001083 |
| SAME | 001089 |
| SAME | 001103 |
| SAME | 047127 |
| SAME | 047103 |
| UGC | ALZ001 |
| UGC | ALZ002 |
| UGC | ALZ003 |
| UGC | ALZ004 |
| UGC | ALZ005 |
| UGC | ALZ006 |
| UGC | ALZ007 |
| UGC | TNZ076 |
| UGC | TNZ096 |