Alert archive / California / River Flood Warnings in 2016

River Flood Warning 10, NWS Eureka, CA

December 14, 2016Mendocino County, California

NWS Eureka, CA issued this river flood warning at Dec 14, 2016, 3:15 PM PST for Mendocino County, California. It took effect at Dec 15, 2016, 2:28 PM PST. It was in force for 20 hr.

The area

The outline as issued.

The facts

Issued
Dec 14, 2016, 3:15 PM PST (23:15 UTC)
In effect from
Dec 15, 2016, 2:28 PM PST
Expired
Dec 16, 2016, 10:56 AM PST
In force
20 hr
Issued by
NWS Eureka, CA
Area
Storm-based polygon
Flood severity
Minor

County Mendocino County, CA

The radar

The Eureka (Bunker Hill) radar (KBHX), 155 km from the middle of the area, began a volume at 23:18 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.

The river

Written for the forecast point Navarro River near Navarro (NVRC1). The gauge peaked at 24.18 ft at Dec 15, 2016, 6:00 PM PST.

minormoderate10203012/1412/1512/1612/17
Minor stage
23 ft
Moderate stage
30 ft
Major stage
34 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 11468000, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

The text

As transmitted.

895 
WGUS46 KEKA 142315
FLWEKA
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE EUREKA, CA
315 PM PST WED DEC 14 2016

...The National Weather Service in Eureka has issued
a Flood Warning in cooperation with the California Department
of Water Resources for the following rivers in California...

  Navarro River At Navarro affecting Mendocino County
  Eel River At Fernbridge affecting Humboldt County
  Van Duzen River Near Bridgeville affecting Humboldt County

A frontal system will bring periods of moderate to heavy rain tonight 
through Thursday afternoon. This will cause a rapid and steep rise on the
lower Eel River, Van Duzen River, and Navarro River. Forecast rainfall
amounts of 3 to 4 inches in the lower Eel River Basin, 4 to 5 inches in
the  Van Duzen River Basin, and 3 to 4 inches in the Navarro River Basin.
This will result in rivers' exceeding their banks.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SAFETY MESSAGE...

Do not drive your car across flooded roadways. It only takes about 
two feet of water to float most vehicles. For area road conditions...
call CALTRANS at 1-800-427-7623.

STAY TUNED TO DEVELOPMENTS BY LISTENING TO NOAA WEATHER RADIO OR YOUR
LOCAL TV OR RADIO STATIONS.

The next statement will be issued December 14, 2016 by 10:00 PM or as 
warranted by changing conditions.

&&

CAC045-150715-
/O.NEW.KEKA.FL.W.0010.161216T0220Z-161216T1856Z/
/NVRC1.1.ER.161216T0220Z.161216T0800Z.161216T1256Z.NO/
315 PM PST WED DEC 14 2016

 The National Weather Service in Eureka has issued a 
* Flood Warning for 
  The Navarro River At Navarro.
* From Thursday evening to Friday morning...or until the warning is 
  cancelled.
* At  2:15 PM Wednesday the stage was 5.4 feet. 
* Minor flooding is forecast. 
* Flood stage is 23.0 feet.
* This river is forecast to rise above flood stage Thursday
  evening.
* IMPACTS...At 30.0 feet...Water will flow over the south bank of the 
  river approximately 1 mile east of Highway 1, and begin to flood 
  property in this area including six homes. Expect closure of 
  Highway 128. Motorists should use alternate routes.
* FLOOD HISTORY...This crest compares to a previous crest of 29.5 feet
  on Feb 7 2015.

 &&

LAT...LON 3921 12354 3914 12366 3917 12375 3925 12376


$$

CAC023-150715-
/O.NEW.KEKA.FL.W.0011.161216T0000Z-161217T0020Z/
/FRNC1.1.ER.161216T0000Z.161216T0800Z.161216T1820Z.NO/
315 PM PST WED DEC 14 2016

 The National Weather Service in Eureka has issued a 
* Flood Warning for 
  The Eel River At Fernbridge.
* from Thursday afternoon to Friday afternoon...or until the warning 
  is cancelled.
* At  2:15 PM Wednesday the stage was 7.4 feet. 
* Minor flooding is forecast. 
* Flood stage is 20.0 feet.
* This river is forecast to rise above flood stage Thursday afternoon.
* IMPACTS...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 the western portion of Cannibal Island Road.
* FLOOD HISTORY...This crest compares to a previous crest of 21.3 feet
  on Jan 16 1956.

 &&

LAT...LON 4058 12412 4063 12421 4069 12427 4058 12435
      4052 12418                  

$$

CAC023-150715-
/O.NEW.KEKA.FL.W.0012.161215T1500Z-161215T2330Z/
/BRGC1.1.ER.161215T1500Z.161215T1600Z.161215T1730Z.NO/
315 PM PST WED DEC 14 2016

 The National Weather Service in Eureka has issued a 
* Flood Warning for 
  The Van Duzen River Near Bridgeville.
* from Thursday morning to Thursday afternoon...or until the warning 
  is cancelled.
* At  2:15 PM Wednesday the stage was 6.6 feet. 
* Minor flooding is forecast. 
* Flood stage is 17.0 feet.
* This river is forecast to rise above flood stage early Thursday
  morning.
* IMPACTS...At 17.0 feet...Flooding will begin in lower portions of 
  Grizzly Creek State Park and along River Bar Road.
* FLOOD HISTORY...This crest compares to a previous crest of 17.2 feet
  on Mar 26 1971.

 &&

LAT...LON 4051 12381 4059 12405 4058 12412 4052 12418
      4052 12387 4044 12381       

$$
5 follow-up statements
695 
WGUS86 KEKA 150527
FLSEKA
FLOOD STATEMENT
NATIONAL WEATHER SERVICE EUREKA, CA
927 PM PST WED DEC 14 2016

...The flood warning continues for the following rivers in 
California...
 
  Navarro River At Navarro affecting Mendocino County 
  Eel River At Fernbridge affecting Humboldt County 
  Van Duzen River Near Bridgeville affecting Humboldt County 

A frontal system will bring periods of moderate to heavy rain tonight 
through Thursday afternoon. This will cause a rapid and steep rise on the
lower Eel River, Van Duzen River, and Navarro River. Forecast rainfall
amounts of 3 to 4 inches in the lower Eel River Basin, 4 to 5 inches in
the Van Duzen River Basin, and 3 to 4 inches in the Navarro River Basin
will result in rivers exceeding their banks.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Do not drive your car across flooded roadways. It only takes about 
two feet of water to float most vehicles. For area road conditions...
call CALTRANS at 1-800-427-7623.

STAY TUNED TO DEVELOPMENTS BY LISTENING TO NOAA WEATHER RADIO OR YOUR
LOCAL TV OR RADIO STATIONS.

The next statement will be issued by 1000 AM Thursday or as 
warranted by changing conditions.

&&

CAC045-151927-
/O.EXT.KEKA.FL.W.0010.161215T2348Z-161216T1950Z/
/NVRC1.1.ER.161215T2348Z.161216T0500Z.161216T1350Z.NO/
927 PM PST WED DEC 14 2016

The flood warning continues for the Navarro River at Navarro.

* from Thursday afternoon to Friday morning, or until the warning is
  cancelled.
* At 8:15 PM Wednesday the stage was 5.9 feet. 
* Flood stage is 23.0 feet. 
* The river is forecast to crest near 29.1 feet late Thursday evening.
* IMPACTS...At 30.0 feet, water will flow over the south bank of the 
  river approximately 1 mile east of Highway 1 and begin to flood 
  property in this area including several homes. Expect closure of 
  Highway 128. Motorists should use alternate routes.

&&

LAT...LON 3921 12354 3914 12366 3917 12375 3925 12376

$$

CAC023-151927-
/O.EXT.KEKA.FL.W.0011.161216T0015Z-161216T2240Z/
/FRNC1.1.ER.161216T0015Z.161216T0600Z.161216T1640Z.NO/
927 PM PST WED DEC 14 2016

The flood warning continues for the Eel River at Fernbridge.

* from Thursday afternoon to Friday afternoon, or until the warning 
  is cancelled.
* At 8:15 PM Wednesday the stage was 9.2 feet. 
* Flood stage is 20.0 feet. 
* The river is forecast to crest near 21.2 feet Thursday night.
* IMPACTS...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 the western portion of Cannibal Island Road.

&&

LAT...LON 4058 12412 4063 12421 4069 12427 4058 12435
      4052 12418                  

$$

CAC023-151927-
/O.EXT.KEKA.FL.W.0012.161215T1530Z-161215T2340Z/
/BRGC1.1.ER.161215T1530Z.161215T1600Z.161215T1740Z.NO/
927 PM PST WED DEC 14 2016

The Flood warning continues for the Van Duzen River near Bridgeville.

* from Thursday morning to Thursday afternoon, or until the warning 
  is cancelled.
* At 8:15 PM Wednesday the stage was 5.9 feet. 
* Flood stage is 17.0 feet. 
* The river is forecast to crest near 17.2 feet Thursday morning.
* IMPACTS...At 17.0 feet, flooding will begin in lower portions of 
  Grizzly Creek State Park and along River Bar Road.

&&

LAT...LON 4051 12381 4059 12405 4058 12412 4052 12418
      4052 12387 4044 12381       

$$
979 
WGUS86 KEKA 151759
FLSEKA
FLOOD STATEMENT
NATIONAL WEATHER SERVICE EUREKA, CA
959 AM PST THU DEC 15 2016

...The flood warning continues for the following rivers in 
California...
 
  Navarro River At Navarro affecting Mendocino County 
  Eel River At Fernbridge affecting Humboldt County 

A frontal system will bring periods of moderate rain
today. This will cause a rapid and steep rise on the
Navarro River. Forecast rainfall amounts of 2 to 4 inches in the Navarro
River Basin will result in the river exceeding its bank. For the Eel
River Basin rainfall has turned to showers and will gradually end
this afternoon. The Lower Eel River will continue to rise due to
upstream inflow.   

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SAFETY MESSAGE...

Do not drive your car across flooded roadways. It only takes about 
two feet of water to float most vehicles. For area road conditions...
call CALTRANS at 1-800-427-7623.

STAY TUNED TO DEVELOPMENTS BY LISTENING TO NOAA WEATHER RADIO OR YOUR
LOCAL TV OR RADIO STATIONS.

The next statement will be issued December 15, 2016 by 4:00 PM or
as warranted by changing conditions.

&&

CAC045-160559-
/O.EXT.KEKA.FL.W.0010.161215T2228Z-161216T1900Z/
/NVRC1.1.ER.161215T2228Z.161216T0500Z.161216T1300Z.NO/
959 AM PST THU DEC 15 2016

The flood warning continues for
  The Navarro River At Navarro.
* From this afternoon to Friday morning...or until the warning is 
  cancelled.
* AT  9:15 AM Thursday the stage was 10.4 feet. 
* Flood stage is 23.0 feet. 
* IMPACTS...At 30.0 feet...Water will flow over the south bank of the 
  river approximately 1 mile east of Highway 1, and begin to flood 
  property in this area including six homes. Expect closure of 
  Highway 128. Motorists should use alternate routes.

 &&

LAT...LON 3921 12354 3914 12366 3917 12375 3925 12376


$$

CAC023-160559-
/O.EXT.KEKA.FL.W.0011.161216T0700Z-161216T2030Z/
/FRNC1.1.ER.161216T0700Z.161216T1100Z.161216T1430Z.NO/
959 AM PST THU DEC 15 2016

The flood warning continues for
  The Eel River At Fernbridge.
* From this evening to Friday afternoon...or until the warning is 
  cancelled.
* AT  9:15 AM Thursday the stage was 14.8 feet. 
* Flood stage is 20.0 feet. 
* IMPACTS...At 20.0 feet...Expect significant flooding of the western 
  portions of Cannibal Island Road, Camp Weott Road, Salt River, Old 
  River, 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. Livestock in 
  low lying areas of the Eel Delta are at risk due to rising river 
  levels. Owners of livestock should consider taking appropriate 
  action to protect livestock.

 &&

LAT...LON 4058 12412 4063 12421 4069 12427 4058 12435
      4052 12418                  

$$
585 
WGUS86 KEKA 152326
FLSEKA
FLOOD STATEMENT
NATIONAL WEATHER SERVICE EUREKA, CA
326 PM PST THU DEC 15 2016

...The flood warning continues for the following rivers in 
California...
 
  Navarro River At Navarro affecting Mendocino County 
  Eel River At Fernbridge affecting Humboldt County 

The cold front will soon be exiting Mendocino County and the rain will
end. The Navarro River will continue to rise through the afternoon and will
crest this evening. The lower Eel River will continue to rise through this
evening and will crest early Friday morning. 


PRECAUTIONARY/PREPAREDNESS ACTIONS...

SAFETY MESSAGE...

Do not drive your car across flooded roadways. It only takes about 
two feet of water to float most vehicles. For area road conditions...
call CALTRANS at 1-800-427-7623.

STAY TUNED TO DEVELOPMENTS BY LISTENING TO NOAA WEATHER RADIO OR YOUR
LOCAL TV OR RADIO STATIONS.

The next statement will be issued December 15, 2016 by 10:00 PM or
as warranted by changing conditions.

&&

CAC045-161126-
/O.EXT.KEKA.FL.W.0010.000000T0000Z-161216T1612Z/
/NVRC1.1.ER.161215T2249Z.161216T0400Z.161216T1012Z.NO/
326 PM PST THU DEC 15 2016

The flood warning continues for
  The Navarro River At Navarro.
* until Friday morning...or until the warning is cancelled.
* At  2:15 PM Thursday the stage was 22.2 feet. 
* Minor flooding is forecast.
* Flood stage is 23.0 feet. 
* This river is forecast to crest near 27 feet around 8:00 PM tonight.
* IMPACTS...At 30.0 feet...Water will flow over the south bank of the 
  river approximately 1 mile east of Highway 1, and begin to flood 
  property in this area including six homes. Expect closure of 
  Highway 128. Motorists should use alternate routes.

 &&

LAT...LON 3921 12354 3914 12366 3917 12375 3925 12376


$$

CAC023-161126-
/O.EXT.KEKA.FL.W.0011.161216T0900Z-161216T2000Z/
/FRNC1.1.ER.161216T0900Z.161216T1100Z.161216T1400Z.NO/
326 PM PST THU DEC 15 2016

The flood warning continues for
  The Eel River At Fernbridge.
* from late tonight to Friday afternoon...or until the warning is 
  cancelled.
* At  2:15 PM Thursday the stage was 16.6 feet. 
* Minor flooding is forecast.
* Flood stage is 20.0 feet.
* This river is forecast to crest near 20.2 feet around 4:00 AM Friday
  morning.
* IMPACTS...At 20.0 feet...Expect significant flooding of the western 
  portions of Cannibal Island Road, Camp Weott Road, Salt River, Old 
  River, 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. Livestock in 
  low lying areas of the Eel Delta are at risk due to rising river 
  levels. Owners of livestock should consider taking appropriate 
  action to protect livestock.

 &&

LAT...LON 4058 12412 4063 12421 4069 12427 4058 12435
      4052 12418                  

$$
105 
WGUS86 KEKA 160407
FLSEKA
FLOOD STATEMENT
NATIONAL WEATHER SERVICE EUREKA, CA
807 PM PST THU DEC 15 2016

...The flood warning continues for the following rivers in 
California...
 
  Navarro River At Navarro affecting Mendocino County 
  Eel River At Fernbridge affecting Humboldt County 

The cold front has exited Mendocino County and the rain has ended. The Navarro River has crested...and will continue to fall overnight. The lower Eel River will continue to rise through this evening and will crest early Friday morning. 


PRECAUTIONARY/PREPAREDNESS ACTIONS...

SAFETY MESSAGE...

Do not drive your car across flooded roadways. It only takes about 
two feet of water to float most vehicles. For area road conditions...
call CALTRANS at 1-800-427-7623.

STAY TUNED TO DEVELOPMENTS BY LISTENING TO NOAA WEATHER RADIO OR YOUR
LOCAL TV OR RADIO STATIONS.

The next statement will be issued { ...enter date and time...} or as 
warranted by changing conditions.

&&

CAC045-161306-
/O.EXT.KEKA.FL.W.0010.000000T0000Z-161216T1306Z/
/NVRC1.1.ER.161215T2254Z.161216T0215Z.161216T0706Z.NO/
807 PM PST THU DEC 15 2016

The flood warning continues for
  The Navarro River At Navarro.
* until late tonight...or until the warning is cancelled.
* At  7:15 PM Thursday the stage was 24.1 feet. 
* Minor Flooding is occurring and Minor flooding is forecast.
* Flood stage is 23.0 feet. 

* FORECAST...The river will rise to near 23.9 feet late this evening.
* IMPACTS...At 23.0 feet...Flooding of Highway 128 approximately 5 
  miles from Highway 1 is certain and the road will be closed. 
  Motorists should use alternate routes.

 &&

LAT...LON 3921 12354 3914 12366 3917 12375 3925 12376


$$

CAC023-161607-
/O.EXT.KEKA.FL.W.0011.161216T0900Z-161216T2130Z/
/FRNC1.1.ER.161216T0900Z.161216T1200Z.161216T1530Z.NO/
807 PM PST THU DEC 15 2016

...Flood warning extended until Friday afternoon...The flood warning 
continues for
  The Eel River At Fernbridge.
* from late tonight to Friday afternoon...or until the warning is 
  cancelled.
* At  7:15 PM Thursday the stage was 18.5 feet. 
* Minor flooding is forecast.
* Flood stage is 20.0 feet. 

* FORECAST...The river will rise to near 20.3 feet early tomorrow 
  morning.
* IMPACTS...At 20.0 feet...Expect significant flooding of the western 
  portions of Cannibal Island Road, Camp Weott Road, Salt River, Old 
  River, 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. Livestock in 
  low lying areas of the Eel Delta are at risk due to rising river 
  levels. Owners of livestock should consider taking appropriate 
  action to protect livestock.

 &&

LAT...LON 4058 12412 4063 12421 4069 12427 4058 12435
      4052 12418                  

$$
136 
WGUS86 KEKA 160753
FLSEKA
FLOOD STATEMENT
NATIONAL WEATHER SERVICE EUREKA, CA
1153 PM PST THU DEC 15 2016

...The flood warning is cancelled for the following rivers in 
California...
 
  Navarro River At Navarro affecting Mendocino County
...The flood warning continues for the following rivers in 
California..
  Eel River At Fernbridge affecting Humboldt County 

Heavy rain has exited the region. The Navararro River has crested and
recently dropped below minor flood stage. The Lower Eel River will 
continue to slowly rise during the night, and crest during early
Friday morning.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

SAFETY MESSAGE...

Do not drive your car across flooded roadways. It only takes about 
two feet of water to float most vehicles. For area road conditions...
call CALTRANS at 1-800-427-7623.

STAY TUNED TO DEVELOPMENTS BY LISTENING TO NOAA WEATHER RADIO OR YOUR
LOCAL TV OR RADIO STATIONS.

The next statement will be issued by 6 AM PST Friday or as 
warranted by changing conditions.

&&

CAC023-161953-
/O.CON.KEKA.FL.W.0011.161216T0900Z-161216T2130Z/
/FRNC1.1.ER.161216T0900Z.161216T1200Z.161216T1530Z.NO/
1153 PM PST THU DEC 15 2016

The flood warning continues for
  The Eel River At Fernbridge.
* until Friday afternoon...or until the warning is cancelled.
* At 11:15 PM Thursday the stage was 19.9 feet. 
* Minor flooding is forecast.
* Flood stage is 20.0 feet. 

* FORECAST...The river will rise to near 20.3 feet early Friday 
  morning.
* IMPACTS...At 20.0 feet...Expect significant flooding of the western 
  portions of Cannibal Island Road, Camp Weott Road, Salt River, Old 
  River, 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. Livestock in 
  low lying areas of the Eel Delta are at risk due to rising river 
  levels. Owners of livestock should consider taking appropriate 
  action to protect livestock.

 &&

LAT...LON 4058 12412 4063 12421 4069 12427 4058 12435
      4052 12418                  

$$

CAC045-160823-
/O.CAN.KEKA.FL.W.0010.000000T0000Z-161216T1306Z/
/NVRC1.1.ER.161215T2254Z.161216T0215Z.161216T0633Z.NO/
1153 PM PST THU DEC 15 2016

The flood warning is cancelled for
  The Navarro River At Navarro.
* At 11:15 PM Thursday the stage was 22.6 feet. 
* fell below flood stage at 10:33 PM Thursday.
* Flood stage is 23.0 feet. 

* FORECAST...The river will continue to fall below minor flood stage
  through Friday morning. This will be the final statement for this
  event.

 &&

LAT...LON 3921 12354 3914 12366 3917 12375 3925 12376


$$

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 13, 7:21 PM PSTWind AdvisoryEKADel Norte, Humboldt24 hr
Dec 13, 8:46 PM PSTSmall Craft AdvisoryEKA6 hr
Dec 14, 11:42 AM PSTCoastal Flood WarningEKADel Norte, Humboldt78 min
Dec 14, 1:43 PM PSTAreal Flood WarningEKADel Norte3 hr
Dec 14, 1:57 PM PSTAreal Flood AdvisoryEKADel Norte4 hr
Dec 14, 2:50 PM PSTRiver Flood AdvisoryEKAMendocino39 hr
Dec 14, 3:15 PM PSTRiver Flood WarningEKAHumboldt49 hr
Dec 14, 3:15 PM PSTRiver Flood WarningEKAHumboldt24 hr

Nearby

River Flood Warnings in California, 2016Every river flood warning in 2016

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; the gauge from the NWS water service and the USGS.