Alert archive / California / Areal Flood Advisories in 2012

Areal Flood Advisory 1, NWS Eureka, CA

January 20, 2012Humboldt County, California

NWS Eureka, CA issued this areal flood advisory at Jan 20, 2012, 4:50 PM PST for Humboldt County, California. It was in force for 104 min.

The area

The counties it named.

The facts

Issued
Jan 20, 2012, 4:50 PM PST (00:50 UTC)
Expired
Jan 20, 2012, 6:34 PM PST
In force
104 min
Issued by
NWS Eureka, CA
Area
Storm-based polygon

County Humboldt County, CA

The radar

The Eureka (Bunker Hill) radar (KBHX), 39 km from the middle of the area, began a volume at 00:53 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 areal flood advisory 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 areal flood advisory went out at Jan 20, 3:54 PM PST, 56 minutes earlier.

Area forecast discussion, Jan 20, 3:54 PM PST, 56 minutes before
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Hazardous weather outlook, Jan 20, 10:02 AM PST, 6 hours 48 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE EUREKA CA
1002 AM PST FRI JAN 20 2012

CAZ001-211815-
REDWOOD COAST-
1002 AM PST FRI JAN 20 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHWEST CALIFORNIA.

.DAY ONE...TODAY AND TONIGHT.

A COASTAL FLOOD ADVISORY HAS EXPIRED.

GUSTY SOUTHERLY WINDS TO 40 MPH AND HEAVY RAIN ARE EXPECTED THIS
AFTERNOON AS A STORM SYSTEM MOVES THROUGH THE REGION. ROCK AND MUD
SLIDES ARE POSSIBLE ALONG ROADWAYS.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

YET ANOTHER STORM SYSTEM WILL BRING STRONGER SOUTHERLY WINDS WITH
GUSTS TO 50 MPH IN FAVORED AREAS ALONG WITH ADDITIONAL RAIN ON
SUNDAY.

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

CAZ003-211815-
NORTH COAST INTERIOR-
1002 AM PST FRI JAN 20 2012

...WINTER WEATHER ADVISORY IN EFFECT FROM 4 AM TO 4 PM PST
SATURDAY...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHWEST CALIFORNIA.

.DAY ONE...TODAY AND TONIGHT.

A WINTER WEATHER ADVISORY IS CURRENTLY IN EFFECT.

A WINTER WEATHER ADVISORY FOR ELEVATIONS ABOVE 3000 FEET IS
CURRENTLY IN EFFECT. SEE THE CURRENT WSWEKA PRODUCT FOR MORE
INFORMATION.

GUSTY SOUTHERLY WINDS TO 40 MPH ON MOUNTAIN RIDGES AND EXPOSED
HILLS AND HEAVY RAIN ARE EXPECTED THIS AFTERNOON AS A STORM
SYSTEM MOVES THROUGH THE REGION. ROCK AND MUD SLIDES ARE POSSIBLE
ALONG ROADWAYS.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

A WINTER WEATHER ADVISORY IS CURRENTLY IN EFFECT.

A WINTER WEATHER ADVISORY FOR ELEVATIONS ABOVE 3000 FEET IS
CURRENTLY IN EFFECT. SEE THE CURRENT WSWEKA PRODUCT FOR MORE
INFORMATION.

YET ANOTHER STORM SYSTEM WILL BRING STRONGER SOUTHERLY WINDS WITH
GUSTS TO 50 MPH IN FAVORED AREAS ALONG WITH ADDITIONAL RAIN ON
SUNDAY. ADDITIONAL SNOW WILL FALL AT ELEVATIONS OVER 3000 FEET.

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

CAZ002-076-211815-
MENDOCINO COAST-MENDOCINO INTERIOR-
1002 AM PST FRI JAN 20 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHWEST CALIFORNIA.

.DAY ONE...TODAY AND TONIGHT.

PERIODS OF HEAVY RAIN CAN BE EXPECTED TODAY AS A STORM SYSTEM
MOVES THROUGH THE AREA. ROCK AND MUD SLIDES ARE POSSIBLE ALONG
ROADWAYS.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

YET ANOTHER STORM SYSTEM WILL BRING MORE HEAVY RAIN SUNDAY.

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

CAZ004-211815-
UPPER TRINITY RIVER-
1002 AM PST FRI JAN 20 2012

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 4 PM PST SATURDAY...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHWEST CALIFORNIA.

.DAY ONE...TODAY AND TONIGHT.

A WINTER WEATHER ADVISORY IS CURRENTLY IN EFFECT.

A WINTER WEATHER ADVISORY FOR ELEVATIONS ABOVE 3000 FEET IS
CURRENTLY IN EFFECT. SEE THE CURRENT WSWEKA PRODUCT FOR MORE
INFORMATION.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

A WINTER WEATHER ADVISORY IS CURRENTLY IN EFFECT.

A WINTER WEATHER ADVISORY FOR ELEVATIONS ABOVE 3000 FEET IS
CURRENTLY IN EFFECT. SEE THE CURRENT WSWEKA PRODUCT FOR MORE
INFORMATION.

ANOTHER STORM SYSTEM WILL BRING ADDITIONAL HEAVY RAIN AND MOUNTAIN
SNOW ABOVE 3000 FEET ON SUNDAY.

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

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 20, 8:55 PM PSTSmall Craft AdvisoryEKA18 hr
Jan 20, 8:55 PM PSTHazardous Seas WarningEKA36 hr
Jan 21, 2:45 AM PSTGale WarningEKA39 hr
Jan 21, 2:53 PM PSTWinter Storm WarningEKA36 hr
Jan 21, 2:54 PM PSTCoastal Flood AdvisoryEKA21 hr

Nearby

Areal Flood Advisories in California, 2012Every areal flood advisory 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; radar from the NEXRAD Level II archive.