Alert archive / California / Freeze Watches in 2019

Freeze Watch 4, NWS Eureka, CA

September 29, 2019Humboldt County, Mendocino County, Trinity County, California

NWS Eureka, CA issued this freeze watch at Sep 29, 2019, 1:23 PM PDT for Humboldt County, Mendocino County, Trinity County, California. It took effect at Oct 1, 2019, 1:00 AM PDT. It was in force for .

The area

The counties it named.

The facts

Issued
Sep 29, 2019, 1:23 PM PDT (20:23 UTC)
In effect from
Oct 1, 2019, 1:00 AM PDT
Expired
Sep 30, 2019, 2:57 AM PDT
In force
Issued by
NWS Eureka, CA

Counties Humboldt County, CA, Mendocino County, CA, Trinity County, CA

The radar

The Eureka (Bunker Hill) radar (KBHX), 73 km from the middle of the area, began a volume at 20:23 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What forecasters said that day

The local office's own words before this freeze watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Eureka, CA wrote its last area forecast discussion before this freeze watch went out at Sep 29, 4:19 AM PDT, 9 hours 4 minutes earlier.

Area forecast discussion, Sep 29, 4:19 AM PDT, 9 hours 4 minutes before
<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>
Hazardous weather outlook, Sep 29, 3:30 AM PDT, 9 hours 53 minutes before
Hazardous Weather Outlook
National Weather Service Eureka CA
330 AM PDT Sun Sep 29 2019

CAZ101-103-104-109-112-113-301030-
Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt-
Mendocino Coast-Southwestern Mendocino Interior-
Southeastern Mendocino Interior-
330 AM PDT Sun Sep 29 2019

This hazardous weather outlook is for northwest California.

.DAY ONE...Today and tonight.

There is a slight chance for thunderstorms this afternoon.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

Frost is possible Tuesday morning in the most sheltered valleys away
from the coast.

.SPOTTER INFORMATION STATEMENT...
Spotter activation is not expected at this time.

CAZ102-105-301030-
Del Norte Interior-Northern Humboldt Interior-
330 AM PDT Sun Sep 29 2019

This hazardous weather outlook is for northwest California.

.DAY ONE...Today and tonight.

There is a slight chance for thunderstorms this afternoon. Snow
levels will fall to around 4,500 feet this afternoon. Accumulations
of up to three inches are possible.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

Frost or freezing temperatures are possible Monday and Tuesday
mornings in the most sheltered valleys.

.SPOTTER INFORMATION STATEMENT...
Spotter activation is not expected at this time.

CAZ106>108-110-111-301030-
Southern Humboldt Interior-Northern Trinity-Southern Trinity-
Northwestern Mendocino Interior-Northeastern Mendocino Interior-
330 AM PDT Sun Sep 29 2019

...FROST ADVISORY IN EFFECT UNTIL 8 AM PDT THIS MORNING...
...FREEZE WATCH IN EFFECT FROM LATE TONIGHT THROUGH MONDAY MORNING...

This hazardous weather outlook is for northwest California.

.DAY ONE...Today and tonight.

A Frost Advisory is currently in effect through 8am this morning.

There is a slight chance for thunderstorms this afternoon. Snow
levels will fall to around 4,500 feet this afternoon. Accumulations
of up to three inches are possible.

A Freeze Watch is currently in effect for tonight.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

A Freeze Watch is currently in effect for Monday morning. Tuesday
and Wednesday mornings frost or freezing temperatures are possible in
the colder valleys.

.SPOTTER INFORMATION STATEMENT...
Spotter activation is not expected at this time.

Nearby

Freeze Watches in California, 2019Every freeze watch in 2019

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.