Alert archive / California / River Flood Warnings in 2016

River Flood Warning 7, NWS Eureka, CA

March 10, 2016Mendocino County, California

NWS Eureka, CA issued this river flood warning at Mar 10, 2016, 9:41 AM PST for Mendocino County, California. It took effect at Mar 10, 2016, 5:45 PM PST. It was in force for 41 hr.

The area

The outline as issued.

The facts

Issued
Mar 10, 2016, 9:41 AM PST (17:41 UTC)
In effect from
Mar 10, 2016, 5:45 PM PST
Expired
Mar 12, 2016, 10:30 AM PST
In force
41 hr
Issued by
NWS Eureka, CA
Area
Storm-based polygon
Flood severity
Major

County Mendocino County, CA

The radar

The Eureka (Bunker Hill) radar (KBHX), 155 km from the middle of the area, began a volume at 17:43 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 18.22 ft at Mar 12, 2016, 10:00 PM PST.

minormoderate10203003/1003/1103/1203/13
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.

468 
WGUS46 KEKA 101741
FLWEKA
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE EUREKA, CA
941 AM PST THU MAR 10 2016

...The National Weather Service in Eureka has issued
a FLOOD WARNING in cooperation with the California Department
of Water Resources for the following river in California...

  Navarro River At Navarro affecting Mendocino County

Steady rain will result in a rapid and significant rise on the 
Navarro River will result in flooding today and again on Friday.
Additional rainfall accumulation amounts are forecast to range
from 2 to 4 inches across the Navarro River Basin for the remainder
of today through Friday.

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 4:00 PM Thursday, March 10
2016 or as warranted by changing conditions.

&&

CAC045-110141-
/O.NEW.KEKA.FL.W.0007.160311T0145Z-160312T1830Z/
/NVRC1.3.ER.160311T0145Z.160312T0200Z.160312T1230Z.NO/
941 AM PST THU MAR 10 2016

The National Weather Service in Eureka has issued a 

* FLOOD WARNING For 
  the Navarro River At Navarro.
* From this afternoon to Saturday morning...or until the warning is 
  cancelled.
* At  8:15 AM Thursday the stage was 9.0 feet. 
* Major FLOODING IS FORECAST. 
* Flood stage is 23.0 feet. 
* This river is expected to rise above flood stage of 23 feet around 
  6:00 PM this evening. Then forecast to recede to near 20 feet late
  tonight. Then forecast to rise above flood stage early Friday
  morning and crest near 37 feet Friday evening. Then forecast to fall
  below flood stage early Saturday morning. Then forecast to recede to
  near 15 late Saturday evening and then fluctuate near 15 feet thru late
  Sunday morning.
* IMPACTS...At 34.0 feet...Significant flooding and damage of houses 
  and property along the river approximately 1 mile east of Highway 1
  will occur. Expect complete closure of Highway 128.
* FLOOD HISTORY...This crest compares to a previous crest of 36.9 feet
  on Jan 26 1983.

 &&

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


$$
3 follow-up statements
646 
WGUS86 KEKA 102237
FLSEKA
FLOOD STATEMENT
NATIONAL WEATHER SERVICE EUREKA, CA
237 PM PST THU MAR 10 2016

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

Steady rain will cause a rapid and significant rise on the 
Navarro River resulting in flooding Friday through Saturday. Additional
rainfall accumulation amounts are forecast to range from 2 to 4 inches
across the Navarro River Basin for tonight through Friday.

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 10:00 PM Thursday...March 10
2016 or as warranted by changing conditions.

&&

CAC045-111037-
/O.EXT.KEKA.FL.W.0007.160311T1600Z-160312T1707Z/
/NVRC1.3.ER.160311T1600Z.160312T0200Z.160312T1107Z.NO/
237 PM PST THU MAR 10 2016

THE FLOOD WARNING CONTINUES FOR
  THE Navarro River At Navarro.
* from Friday morning to Saturday morning...or until the warning is
  cancelled.
* AT  1:15 PM Thursday the stage was 14.9 feet. 
* Major flooding is forecast.
* Flood stage is 23.0 feet. 
* This river is expected to rise above flood stage of 23 feet late 
  Friday morning. Then forecast to crest near 36.5 feet Friday 
  evening. Then forecast to fall below flood stage early 
  Saturday morning. Then forecast to recede to near 15 feet Sunday 
  afternoon. 
* IMPACTS...At 34.0 feet...Significant flooding and damage of houses 
  and property along the river approximately 1 mile east of Highway 1
  will occur. Expect complete closure of Highway 128.

 &&

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


$$
273 
WGUS86 KEKA 110459
FLSEKA
FLOOD STATEMENT
NATIONAL WEATHER SERVICE EUREKA, CA
859 PM PST THU MAR 10 2016

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

Steady rain will cause a rapid and significant rise on the 
Navarro River resulting in flooding Friday through Saturday.
Additional rainfall accumulation amounts are forecast to range from 2
to 4 inches across the Navarro River Basin for late tonight through
Friday.


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 10:00 AM FRIDAY MARCH 11 2016 or
as warranted by changing conditions.

&&

CAC045-111659-
/O.EXT.KEKA.FL.W.0007.160311T1807Z-160312T1600Z/
/NVRC1.3.ER.160311T1807Z.160312T0200Z.160312T1000Z.NO/
859 PM PST THU MAR 10 2016

The flood warning continues for
  THE Navarro River At Navarro.
* from Friday morning to Saturday morning...OR UNTIL THE WARNING IS 
  CANCELLED.
* AT  8:15 PM Thursday THE stage WAS 17.4 feet. 
* Major flooding is expected.
* FLOOD STAGE IS 23.0 feet. 
* This river is Expected to rise above flood stage of  23.0 FT late 
  tomorrow morning then forecast to crest near 34.5 FT tomorrow 
  evening then forecast to fall below flood stage of 23.0 FT early 
  Saturday morning then forecast to recede to near 15.0 FT Sunday 
  afternoon.
* IMPACTS...At 34.0 feet...Significant flooding and damage of houses 
  and property along the river approximately 1 mile east of Highway 1
  will occur. Expect complete closure of Highway 128.

 &&

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


$$
237 
WGUS86 KEKA 111645
FLSEKA
FLOOD STATEMENT
NATIONAL WEATHER SERVICE EUREKA, CA
845 AM PST FRI MAR 11 2016

...The flood warning is cancelled for the following river in 
California...
 
  Navarro River At Navarro affecting Mendocino County

Forecast rainfall amounts of around one inch today and tonight in the
Navarro River basin are no longer expected to resulting in flooding.


This is the last statement on this rain event.

&&

CAC045-111715-
/O.CAN.KEKA.FL.W.0007.160314T0400Z-160314T1532Z/
/NVRC1.1.ER.160314T0400Z.160314T0700Z.160314T0932Z.NO/
845 AM PST FRI MAR 11 2016

THE FLOOD WARNING IS CANCELLED FOR
  THE Navarro River At Navarro.
* AT  8:15 AM Friday THE stage WAS 14.1 feet. 
* Flood Stage is 23.0 feet. 
* Forecast...This river is forecast to fluctuate near 14 feet thru
late  Saturday morning.  
  
 &&

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
Mar 9, 4:13 PM PSTRiver Flood WatchEKAMendocino18 hr
Mar 10, 2:34 AM PSTSmall Craft AdvisoryEKA48 hr
Mar 10, 5:11 AM PSTAreal Flood AdvisoryEKAMendocino5 hr
Mar 10, 10:49 AM PSTFlood WatchEKA51 hr
Mar 10, 3:55 PM PSTRiver Flood AdvisoryEKAMendocino43 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.