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Humboldt County Alerts
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WARNINGS - WATCHES - ADVISORIES - STATEMENTS
Updates every 15 Minutes
Updated:November 21, 2024 3:30 am PST

Flood Advisory FLOOD ADVISORY  
Humboldt County

Effective: Thu, 11/21 1:24am Severity: Minor
Updated: November 21, 2024 3:30 am Urgency: Expected
Expires: Thu, 11/21 4:15am Certainty: Likely

Areas Affected: Humboldt, CA - Mendocino, CA - Trinity, CA
 
Alert Details:
* WHAT...Flooding caused by excessive rainfall continues.

* WHERE...A portion of northwest California, including the following
counties, southeastern Humboldt, northwestern Mendocino and
southwestern Trinity.

* WHEN...Until 415 AM PST.

* IMPACTS...Minor flooding in low-lying and poor drainage areas.
Water over roadways.

* ADDITIONAL DETAILS...
- At 123 AM PST, Doppler radar indicated heavy rain due to
thunderstorms. Minor flooding is ongoing or expected to begin
shortly in the advisory area. Between 4 and 6 inches of rain
have fallen.
- Additional rainfall amounts of 1 to 2 inches are expected
over the area through 5 AM this morning. This additional rain
will result in minor flooding.
- Some locations that will experience flooding include...
Garberville, Richardson Grove State Park, Laytonville,
Alderpoint, Richardson Grove, Redway, Ruth, Leggett,
Dinsmore, Bridgeville, Fort Seward, Zenia, Blocksburg,
Benbow, Miranda and Piercy.
- http://www.weather.gov/safety/flood

Information:
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Be especially cautious at night when it is harder to recognize the
dangers of flooding.
Flood Advisory FLOOD ADVISORY  
Humboldt County

Effective: Thu, 11/21 12:40am Severity: Minor
Updated: November 21, 2024 3:30 am Urgency: Expected
Expires: Thu, 11/21 6:45am Certainty: Likely

Areas Affected: Humboldt, CA
 
Alert Details:
* WHAT...Flooding caused by excessive rainfall is occurring.

* WHERE...A portion of northwest California, including the following
county, northwestern Humboldt.

* WHEN...Until 645 AM PST Thursday.

* IMPACTS...Minor flooding in low-lying and poor drainage areas.
Water over roadways.

* ADDITIONAL DETAILS...
- At 1240 AM PST, local law enforcement reported flooding in
the advisory area. Minor flooding is already occurring.
Between 2 and 2.5 inches of rain have fallen.
- Additional rainfall amounts of 1.5 to 2.5 inches are expected
over the area today. This additional rain will result in
minor flooding.
- Some locations that will experience flooding include...
Arcata.
- http://www.weather.gov/safety/flood

Information:
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
High Wind Watch HIGH WIND WATCH  
Humboldt County

Effective: Wed, 11/20 9:51pm Severity:  Severe 
Updated: November 21, 2024 3:30 am Urgency: Future
Expires: Thu, 11/21 6:00am Certainty: Possible

Areas Affected: Coastal Del Norte - Del Norte Interior - Northern Humboldt Coast - Southwestern Humboldt - Northern Humboldt Interior - Southern Humboldt Interior
 
Alert Details:
* WHAT...South winds 25 to 35 mph with gusts up to 65 mph possible.

* WHERE...Del Norte County, and Humboldt County.

* WHEN...From Thursday afternoon through late Thursday night.

* IMPACTS...Damaging winds could blow down trees and power lines.
Widespread power outages are possible. Travel could be difficult,
especially for high profile vehicles. Wind gusts will be
particularly strong along windward ridges and exposed coastal
headlands. There is an increased risk of tree branches and other
debris on roadways.

Information:
Monitor the latest forecasts and warnings for updates.

Fasten loose objects or shelter objects in a safe location prior to
the onset of winds.
Flood Watch FLOOD WATCH  
Humboldt County

Effective: Thu, 11/21 2:51am Severity:  Severe 
Updated: November 21, 2024 3:30 am Urgency: Future
Expires: Thu, 11/21 11:00am Certainty: Possible

Areas Affected: Northern Humboldt Coast
 
Alert Details:
...The Flood Watch continues for the following rivers in
California...

Eel River at Fernbridge affecting Northern Humboldt Coast zone.

For the Eel River...including Fernbridge...flooding is possible.

* WHAT...Flooding is possible.

* WHERE...Eel River at Fernbridge.

* WHEN...From this evening to late Saturday morning.

* IMPACTS...At 20.0 feet, Significant flooding of the western
portions of Cannibal Island Road, Camp Weott Road, the Salt and
Old Rivers, and all adjacent low-lying areas. Flooding in these
areas is exaggerated when crest timing is coincident with high
tides and strong onshore winds, and for longer duration events. A
Special Action Advisory is being issued to all owners of livestock
in low-lying areas of the Eel Delta. Owners of livestock should
consider taking appropriate action to protect livestock.
At 22.0 feet, The western half of the Eel Delta may be completely
flooded, especially if at or above this level for an extended
period of time. This includes areas northwest of Loleta and
Cannibal Island Road. A Special Action Advisory is being issued to
all owners of livestock in low-lying areas of the Eel River Delta.
Owners of livestock should take appropriate action to protect
their animals.

* ADDITIONAL DETAILS...
- At 2:15 AM PST Thursday the stage was 7.6 feet.
- Forecast...Flood stage may be reached late this evening.
- Flood stage is 20.0 feet.
- http://www.weather.gov/safety/flood

Information:
If you are in the watch area, remain alert to possible flooding.

Residents and those with interests near the river should monitor
rising water levels and be prepared for possible Flood Warnings.

Please report observed flooding to local emergency services or law
enforcement and request they pass this information to the National
Weather Service when you can do so safely.

Stay tuned to further developments by listening to your local radio,
television, or NOAA Weather Radio for further information.

Additional information is available at weather.gov/eka.

The next statement will be issued this morning at 1100 AM PST.
Flood Watch FLOOD WATCH  
Humboldt County

Effective: Wed, 11/20 10:42pm Severity:  Severe 
Updated: November 21, 2024 3:30 am Urgency: Future
Expires: Thu, 11/21 6:45am Certainty: Possible

Areas Affected: Northern Humboldt Coast - Southwestern Humboldt - Northern Humboldt Interior - Southern Humboldt Interior
 
Alert Details:
* WHAT...Flooding caused by excessive rainfall continues to be
possible.

* WHERE...A portion of northwest California, including the Northern
Humboldt Coast, Northern Humboldt Interior, Southern Humboldt
Interior and Southwestern Humboldt.

* WHEN...Through Friday evening.

* IMPACTS...There will be an increased risk of rock and land slides
along roadways. Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Creeks and streams may rise out of their banks. Flooding may occur
in poor drainage and urban areas. Low-water crossings may be
flooded. Storm drains and ditches may become clogged with debris.
Extensive street flooding and flooding of creeks and rivers are
possible. Area creeks and streams are running high and could flood
with more heavy rain.

* ADDITIONAL DETAILS...
- An additional 3 to 10 inches of rain is expected to fall
tonight tonight through Friday morning. The heaviest amounts
will be in the King Range. Additional light rain expected to
continue Friday.
- http://www.weather.gov/safety/flood

Information:
You should monitor later forecasts and be alert for possible Flood
Warnings. Those living in areas prone to flooding should be prepared
to take action should flooding develop.