NOAA NWS / Event history

Freeze Warning issued October 12 at 7:41PM PDT until October 13 at 8:00AM PDT by NWS Eureka CA

Freeze Warning · Southern Trinity; Northwestern Interior Mendocino; Northeastern Interior Mendocino; Northern Lake; Northwestern and Central Trinity; Northeastern Trinity. Severe; likely; urgency: expected.

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Bulletin issued: 13 October 2026 at 02:41 UTC
First saved by us: 12 October 2026 at 19:58 UTC
Last included in a daily record: 13 October 2026
The linked daily edition preserves what we captured that UTC day; this event page is not a live warning.
Source classification: Severe · Source update

A recent feed check does not mean a new observation. This page preserves source records; it does not establish current safety or warning status.

Issuer / area: NWS Eureka CA · Southern Trinity; Northwestern Interior Mendocino; Northeastern Interior Mendocino; Northern Lake; Northwestern and Central Trinity; Northeastern Trinity
Certainty / urgency: Likely / Expected
Message expiry (not hazard end): 13 October 2026 at 10:45 UTC
Forecast onset / end: 13 October 2026 at 08:00 UTC / 13 October 2026 at 15:00 UTC

Archived official description

* WHAT...For the Freeze Warning, sub-freezing temperatures as low as 29 expected. For the Frost Advisory, temperatures as low as 33 will result in frost formation. * WHERE...Trinity County, Northern Mendocino Interior, and Northern Lake. * WHEN...From 1 AM to 8 AM PDT Tuesday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.

Instructions in this archived message

Take steps now to protect tender plants from the cold.

The saved record

What changed

1 update · 1 first record

Each update compares two versions we saved. This may not include every update from the source. A missing report does not mean an event has ended.

Showing 1 change

Saved by us

13 October 2026 at 02:43 UTC

Version 2

Source status changed

Title: Before
Freeze Warning issued October 12 at 12:47PM PDT until October 13 at 8:00AM PDT by NWS Eureka CA
After
Freeze Warning issued October 12 at 7:41PM PDT until October 13 at 8:00AM PDT by NWS Eureka CA
Source updated: Before
12 October 2026 at 19:47 UTC
After
13 October 2026 at 02:41 UTC
Effective from: Before
12 October 2026 at 19:47 UTC
After
13 October 2026 at 02:41 UTC
Message expiry: Before
13 October 2026 at 04:00 UTC
After
13 October 2026 at 10:45 UTC
Message type: Before
Alert
After
Update
Source status: Before
Source alert
After
Source update
Official description: Before
…For the Freeze Warning, sub-freezing temperatures as low as 29 expected. For the Frost Advisory, temperatures as low as 34 will result in frost formation. * WHERE...Trinity County, Northern Mendocino Interior, and Northern Lake. * WHEN...Fr…
After
…For the Freeze Warning, sub-freezing temperatures as low as 29 expected. For the Frost Advisory, temperatures as low as 33 will result in frost formation. * WHERE...Trinity County, Northern Mendocino Interior, and Northern Lake. * WHEN...Fr…
External source link: Before
https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.3cb5de00b32cfa69ef4cdf2eed87092d27228e25.001.1
After
https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.bc1d882e3c515e906a4b2661296921dc86d1078b.001.1

Bulletin issued: 13 October 2026 at 02:41 UTC

View saved version 2

Original saved fields, unchanged. This is our record, not an archived copy of the external webpage.

{
  "id": "nws:a47d680688b50050a7cbbcef",
  "authorityId": "urn:oid:2.49.0.1.840.0.bc1d882e3c515e906a4b2661296921dc86d1078b.001.1",
  "sender": "w-nws.webmaster@noaa.gov",
  "references": [
    {
      "identifier": "urn:oid:2.49.0.1.840.0.3cb5de00b32cfa69ef4cdf2eed87092d27228e25.001.1",
      "sender": "w-nws.webmaster@noaa.gov"
    }
  ],
  "category": "weather",
  "title": "Freeze Warning issued October 12 at 7:41PM PDT until October 13 at 8:00AM PDT by NWS Eureka CA",
  "eventType": "Freeze Warning",
  "occurredAt": "2026-10-13T02:41:00.000Z",
  "issuedAt": "2026-10-13T02:41:00.000Z",
  "timeBasis": "Bulletin issued",
  "effectiveAt": "2026-10-13T02:41:00.000Z",
  "onsetAt": "2026-10-13T08:00:00.000Z",
  "expiresAt": "2026-10-13T10:45:00.000Z",
  "forecastEndAt": "2026-10-13T15:00:00.000Z",
  "severity": "Severe",
  "urgency": "Expected",
  "certainty": "Likely",
  "messageType": "Update",
  "status": "Source update",
  "place": "Southern Trinity; Northwestern Interior Mendocino; Northeastern Interior Mendocino; Northern Lake; Northwestern and Central Trinity; Northeastern Trinity",
  "coordinates": null,
  "issuer": "NWS Eureka CA",
  "summary": "Freeze Warning · Southern Trinity; Northwestern Interior Mendocino; Northeastern Interior Mendocino; Northern Lake; Northwestern and Central Trinity; Northeastern Trinity. Severe; likely; urgency: expected.",
  "description": "* WHAT...For the Freeze Warning, sub-freezing temperatures as low as\n29 expected. For the Frost Advisory, temperatures as low as 33 will\nresult in frost formation.\n\n* WHERE...Trinity County, Northern Mendocino Interior, and Northern\nLake.\n\n* WHEN...From 1 AM to 8 AM PDT Tuesday.\n\n* IMPACTS...Frost and freeze conditions could kill crops, other\nsensitive vegetation and possibly damage unprotected outdoor\nplumbing. Frost could harm sensitive outdoor vegetation. Sensitive\noutdoor plants may be killed if left uncovered.",
  "instruction": "Take steps now to protect tender plants from the cold.",
  "url": "https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.bc1d882e3c515e906a4b2661296921dc86d1078b.001.1",
  "source": "nws",
  "sourceName": "NOAA NWS"
}

Visit the external source ↗

The external page may have changed since this version was saved.

First saved record · 12 October 2026 at 19:58 UTC

Saved by us

12 October 2026 at 19:58 UTC

Starting point

First saved record

Our first saved version of Freeze Warning issued October 12 at 12:47PM PDT until October 13 at 8:00AM PDT by NWS Eureka CA. We have no earlier saved version to compare.

Bulletin issued: 12 October 2026 at 19:47 UTC

View saved version 1

Original saved fields, unchanged. This is our record, not an archived copy of the external webpage.

{
  "id": "nws:6ba8a192b8ffb259c3014d94",
  "authorityId": "urn:oid:2.49.0.1.840.0.3cb5de00b32cfa69ef4cdf2eed87092d27228e25.001.1",
  "sender": "w-nws.webmaster@noaa.gov",
  "references": [],
  "category": "weather",
  "title": "Freeze Warning issued October 12 at 12:47PM PDT until October 13 at 8:00AM PDT by NWS Eureka CA",
  "eventType": "Freeze Warning",
  "occurredAt": "2026-10-12T19:47:00.000Z",
  "issuedAt": "2026-10-12T19:47:00.000Z",
  "timeBasis": "Bulletin issued",
  "effectiveAt": "2026-10-12T19:47:00.000Z",
  "onsetAt": "2026-10-13T08:00:00.000Z",
  "expiresAt": "2026-10-13T04:00:00.000Z",
  "forecastEndAt": "2026-10-13T15:00:00.000Z",
  "severity": "Severe",
  "urgency": "Expected",
  "certainty": "Likely",
  "messageType": "Alert",
  "status": "Source alert",
  "place": "Southern Trinity; Northwestern Interior Mendocino; Northeastern Interior Mendocino; Northern Lake; Northwestern and Central Trinity; Northeastern Trinity",
  "coordinates": null,
  "issuer": "NWS Eureka CA",
  "summary": "Freeze Warning · Southern Trinity; Northwestern Interior Mendocino; Northeastern Interior Mendocino; Northern Lake; Northwestern and Central Trinity; Northeastern Trinity. Severe; likely; urgency: expected.",
  "description": "* WHAT...For the Freeze Warning, sub-freezing temperatures as low as\n29 expected. For the Frost Advisory, temperatures as low as 34 will\nresult in frost formation.\n\n* WHERE...Trinity County, Northern Mendocino Interior, and Northern\nLake.\n\n* WHEN...From 1 AM to 8 AM PDT Tuesday.\n\n* IMPACTS...Frost and freeze conditions could kill crops, other\nsensitive vegetation and possibly damage unprotected outdoor\nplumbing. Frost could harm sensitive outdoor vegetation. Sensitive\noutdoor plants may be killed if left uncovered.",
  "instruction": "Take steps now to protect tender plants from the cold.",
  "url": "https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.3cb5de00b32cfa69ef4cdf2eed87092d27228e25.001.1",
  "source": "nws",
  "sourceName": "NOAA NWS"
}

Visit the external source ↗

The external page may have changed since this version was saved.