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WeatherNational Weather Service

Dense Fog Advisory — Dallam + 8 more areasDense Fog Advisory — Dallam + 8 more areas

Completed official-source record with preserved facts and meaningful-change history. The final record does not infer impacts the source did not report.

StatusCompleted
Affected area / locationDallam; Hartley; Oldham
Record roleIncident record
Last meaningful change4 weeks ago
Last source check4 weeks ago
Official sourceNational Weather Service
FINAL RECORD

What the preserved official data shows

Automated factual summary

This Dense Fog Advisory left the National Weather Service active-alert feed after being preserved by Texas Hazard Watch. The official record named Dallam; Hartley; Oldham; Potter; Carson; additional areas in official record. Completion confirms the alert is no longer in the active feed; it does not by itself establish damage or other impacts.

First collected
Sep 28, 2026 · 7:23 AM CDT
Record completed
Sep 28, 2026 · 7:30 AM CDT
Monitored duration
6 minutes
Official severity
Moderate
Named areas
Dallam; Hartley; Oldham; Potter; Carson; additional areas in official record
Official expiration
Sep 28, 2026 · 11:00 AM CDT
Final monitor status
Left the active NWS alert feed
EXACT LOCATION & OFFICIAL GIS

Show the Official Affected Area

Official NWS Texas zone/county boundaries

The map distinguishes an official point, official warning/perimeter geometry, and optional satellite thermal detections. Aerial imagery is a basemap and may be older than the incident.

Official source pointOfficial warning/zone area
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Record facts

Event
Dense Fog Advisory
Affected Texas areas
Dallam; Hartley; Oldham; Potter; Carson; Gray; Deaf Smith; Randall; Palo Duro Canyon
Effective
2026-09-28T07:20:00-05:00
Expires
2026-09-28T11:00:00-05:00
Issuing authority
NWS Amarillo TX
LATEST MEANINGFUL CHANGE

Completed

Official record ended or left the source’s active window.

Instructions preserved with the record

If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.

This record is completed. Check current official sources before acting.

Latest official-source information

* WHAT...Visibility less than one mile in dense fog.

* WHERE...Carson, Dallam, Deaf Smith, Gray, Hartley, Oldham, Palo
Duro Canyon, Potter, and Randall Counties.

* WHEN...Until 11 AM CDT this morning.

* IMPACTS...Low visibility could make driving conditions hazardous.

RECORDED TIMELINE

Meaningful official changes

2 meaningful changes

The complete source history remains preserved. Routine monitoring snapshots and small gauge fluctuations are condensed here for readability.

  1. Record completedOfficial record ended or left the source’s active window.
  2. First recordedNew official record added to the monitor.

Original source

This record is derived from an official public source. Texas Hazard Watch preserves and organizes it but does not replace the issuing authority.

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