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Trinity County Alerts
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Updated:November 21, 2024 2:15 am PST

Winter Storm Warning WINTER STORM WARNING  
Trinity County

  Effective: Wed, 11/20 9:17pm Severity:  Severe 
  Updated: November 21, 2024 2:15 am Urgency: Expected
  Expires: Thu, 11/21 3:00am Certainty: Likely

Areas Affected: Northern Trinity
 
Alert Details:
* WHAT...Heavy snow expected. Additional accumulations of 12 to 18
inches above 3500 feet, 4 to 6 inches between 2500 to 3500 feet
and less than an inch below 2500 feet. Snow levels rising through
this evening and overnight.

* WHERE...Northeastern Trinity.

* WHEN...Until 3 AM PST Thursday.

* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous. The strong winds and weight of
snow on tree limbs may down power lines and could cause sporadic
power outages. Travel could be very difficult. Tire chains may be
necessary if travelling through mountain passes.

* ADDITIONAL DETAILS...This includes highway 3 in multiple areas
north of Weaverville.

Information:
If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. The latest road conditions for
the state you are calling from can be obtained by calling 5 1 1.

Persons should delay all travel if possible. If travel is absolutely
necessary, drive with extreme caution and be prepared for sudden
changes in visibility. Leave plenty of room between you and the
motorist ahead of you, and allow extra time to reach your
destination. Avoid sudden braking or acceleration, and be especially
cautious on hills or when making turns. Make sure your car is
winterized and in good working order.
Flood Advisory FLOOD ADVISORY  
Trinity County

  Effective: Thu, 11/21 1:24am Severity: Minor
  Updated: November 21, 2024 2:15 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 Watch FLOOD WATCH  
Trinity County

  Effective: Wed, 11/20 10:42pm Severity:  Severe 
  Updated: November 21, 2024 2:15 am Urgency: Future
  Expires: Thu, 11/21 6:45am Certainty: Possible

Areas Affected: Southern Trinity
 
Alert Details:
* WHAT...Flooding caused by excessive rainfall continues to be
possible.

* WHERE...A portion of northwest California, including the following
area, Southern Trinity.

* 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 5 to 10 inches of rain is expected to fall
mainly tonight and Thursday with occasional light rain on
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.