Alert archive / California / Special Marine Warnings in 2012

Special Marine Warning 17, NWS Eureka, CA

October 23, 2012

NWS Eureka, CA issued this special marine warning at Oct 23, 2012, 9:13 AM PDT. It was in force for 32 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Oct 23, 2012, 9:13 AM PDT (16:13 UTC)
Expired: Oct 23, 2012, 9:45 AM PDT
In force: 32 min
Issued by: NWS Eureka, CA
Area: Storm-based polygon

What forecasters said that day

The local office's own words before this special marine warning 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 special marine warning went out at Oct 23, 4:35 AM PDT, 4 hours 38 minutes earlier.

Area forecast discussion, Oct 23, 4:35 AM PDT, 4 hours 38 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE EUREKA CA
435 AM PDT TUE OCT 23 2012

.SYNOPSIS...RAIN AND HIGH ELEVATION SNOW SHOWERS WILL DIMINISH
SLIGHTLY ON TODAY BEFORE INCREASING AGAIN TONIGHT AS ANOTHER WAVE
IMPACTS THE REGION. SHOWERS WILL MAINLY TAPER OFF WEDNESDAY NIGHT
WITH DRY WEATHER EXPECTED HEADING INTO THE WEEKEND.
&&

.DISCUSSION...A BRIEF LULL IN SHOWER ACTIVITY EXPECTED THIS
MORNING THROUGH EARLY AFTERNOON BEFORE THE NEXT SHORT WAVE ROTATES
AROUND THE UPPER LOW OFFSHORE. SHOWER COVERAGE WILL INCREASE THIS
AFTERNOON AND EVENING AS THIS WAVE APPROACHES THE REGION. A TSTM
OR TWO WILL BE POSSIBLE TODAY WITH STRONGER SHOWERS CAPABLE OF
PRODUCING SMALL HAIL AGAIN. WILL ISSUE ANOTHER WINTER WX ADVISORY
AFTER THE CURRENT ONE EXPIRES AS SHOWER ACTIVITY OVERNIGHT INTO
THU WILL RESULT IN NEW ACCUMULATIONS OF 3-7 INCHES ABOVE 4000 FT
WITH ACCUMULATIONS OF 2-4 INCHES DOWN TO 3500FT. SHOWERS WILL
DIMINISH WED NIGHT WITH A FEW SHOWERS POSSIBLE INTO THU MORNING.
PARTIAL CLEARING WEDNESDAY NIGHT WILL ALLOW TEMPS ACROSS THE
INTERIOR TO FALL BELOW FREEZING QUICKLY. ABUNDANT LL MOISTURE FROM
RECENT RAINS MAKE FOG LIKELY AS WELL OVERNIGHT INTO THU MORNING.
BETTER CHANCE OF OVERNIGHT FREEZE AND FOG ACROSS THE INTERIOR THU
INTO FRI WITH MODELS IN AGREEMENT ON BROAD RIDGE MOVG OVER THE
WEST COAST. MODEL SOLNS DIVERGE THIS WEEKEND SO TRENDED POPS
TOWARDS CLIMO BEFORE INCREASING AGAIN EARLY NEXT WEEK AS ANOTHER
LONGWAVE TROUGH APPROACHES THE WEST COAST.
&&

.AVIATION...VFR CONDS WILL RULE TODAY AS A COLD AIR MASS
SLOWLY SETTLES OVER THE REGION. PERIODIC MVFR CONDITIONS IN
MODERATE TO HEAVY PRECIP ACTIVITY WILL LIKELY INCREASE IN
COVERAGE THIS AFTERNOON AND AGAIN TONIGHT.
&&

.MARINE...SURFACE LOW PARKED OFFSHORE THE PAC NW COAST WILL PERSIST
THROUGH WED. ANOTHER SPOKE OF ENERGY WILL CLIP THE FORECAST AREA
BY THIS EVENING AND GENERATE GUSTY SW WINDS UP TO 35 KT BY THIS
EVENING. SURFACE LOW WILL LIKELY BEGIN TO DISSIPATE ON WED. SHORT
PERIOD WEST SWELL UNDER 10 FT WILL GOVERN THE SEA STATE THROUGH WED.
&&

.EKA WATCHES/WARNINGS/ADVISORIES...
SMALL CRAFT ADVISORY FROM 5 PM THIS AFTERNOON TO 2 AM PDT WED FOR
PZZ450-470.
&&

VISIT US AT HTTP://WWW.WEATHER.GOV/EUREKA

FOLLOW US ON FACEBOOK AND TWITTER AT:
HTTP://WWW.FACEBOOK.COM/US.NATIONALWEATHERSERVICE.EUREKA.GOV
HTTP://WWW.TWITTER.COM/NWSEUREKA

Hazardous weather outlook, Oct 23, 5:45 AM PDT, 3 hours 28 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE EUREKA CA
545 AM PDT TUE OCT 23 2012

CAZ001-002-241245-
REDWOOD COAST-MENDOCINO COAST-
545 AM PDT TUE OCT 23 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHWEST CALIFORNIA.

.DAY ONE...TODAY AND TONIGHT.

A BRIEF LULL IN SHOWER ACTIVITY THIS MORNING BEFORE INCREASING
THIS AFTERNOON AND EVENING AS ANOTHER STORM BRINGS RAIN SHOWERS
AND THUNDERSTORMS TO THE REGION. THE HEAVIEST SHOWERS MAY CONTAIN
SMALL HAIL.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

SHOWER ACTIVITY WILL DIMINISH WED NIGHT INTO THU MORNING WITH
DRIER WEATHER EXPECTED THIS WEEKEND.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

CAZ003-004-076-241245-
NORTH COAST INTERIOR-UPPER TRINITY RIVER-MENDOCINO INTERIOR-
545 AM PDT TUE OCT 23 2012

...WINTER WEATHER ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 2 PM
PDT WEDNESDAY...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHWEST CALIFORNIA.

.DAY ONE...TODAY AND TONIGHT.

A WINTER WEATHER ADVISORY IS CURRENTLY IN EFFECT ABOVE 4000 FEET.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

A WINTER WEATHER ADVISORY IS CURRENTLY IN EFFECT ABOVE 4000 FEET
THROUGH WEDNESDAY AFTERNOON.

SHOWER ACTIVITY WILL DIMINISH WED NIGHT INTO THU MORNING WITH
DRIER WEATHER EXPECTED THIS WEEKEND.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

In the hours before

Local storm report, Oct 23, 7:36 AM PDT, 1 hour 37 minutes before

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Local storm report, Oct 23, 7:43 AM PDT, 1 hour 30 minutes before

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Local storm report, Oct 23, 7:54 AM PDT, 1 hour 19 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.
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Local storm report, Oct 23, 8:23 AM PDT, 50 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE EUREKA CA
823 AM PDT TUE OCT 23 2012

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0811 AM     SNOW             10 N LAYTONVILLE        39.81N 123.48W
10/23/2012  E3.0 INCH        MENDOCINO          CA   TRAINED SPOTTER

            TRAINED WEATHER SPOTTER ON THE NE SIDE OF IRON PEAK AT
            3750 FEET REPORTED SNOW FALLING OFF AND ON FROM
            APPROXIMATELY 8PM PDT ON 10/22 THROUGH 5AM PDT ON 10/23.
            NUMEROUS LIGHTNING WITH SNOW ACCUMULATING 2 TO 3 INCHES.

&&

STP

The office that day

Everything else NWS Eureka, CA issued on the same UTC day.

Issued	Product	Office	Lasted
Oct 23, 3:13 AM PDT	Small Craft Advisory	EKA	23 hr
Oct 23, 5:25 AM PDT	Winter Weather Advisory	EKA	32 hr
Oct 23, 1:20 PM PDT	Special Marine Warning	EKA	25 min
Oct 23, 1:59 PM PDT	Special Marine Warning	EKA	26 min
Oct 23, 2:40 PM PDT	Special Marine Warning	EKA	35 min
Oct 23, 3:51 PM PDT	Special Marine Warning	EKA	39 min
Oct 23, 4:31 PM PDT	Special Marine Warning	EKA	44 min
Oct 23, 4:40 PM PDT	Special Marine Warning	EKA	35 min

Nearby

Special Marine Warnings in California, 2012 Every special marine warning in 2012

Sources

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