Alert archive / California / River Flood Warnings in 2017

River Flood Warning 15, NWS Eureka, CA

February 9, 2017Mendocino County, California

NWS Eureka, CA issued this river flood warning at Feb 9, 2017, 3:36 PM PST for Mendocino County, California. It took effect at Feb 9, 2017, 4:27 PM PST. It was in force for 18 hr.

The area

The outline as issued.

The facts

Issued
Feb 9, 2017, 3:36 PM PST (23:36 UTC)
In effect from
Feb 9, 2017, 4:27 PM PST
Expired
Feb 10, 2017, 10:10 AM PST
In force
18 hr
Issued by
NWS Eureka, CA
Area
Storm-based polygon
Flood severity
Minor

County Mendocino County, CA

The radar

The Beale AFB radar (KBBX), 140 km from the middle of the area, began a volume at 23:40 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 Russian River near Hopland (HOPC1). The gauge peaked at 19.91 ft at Feb 9, 2017, 11:00 PM PST.

minormoderate10152002/0902/1002/11
Minor stage
15 ft
Moderate stage
23 ft
Major stage
26 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 11462500, 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.

276 
WGUS46 KEKA 092336
FLWEKA
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE EUREKA, CA
336 PM PST THU FEB 9 2017

...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...

  Russian River near Hopland affecting Mendocino County

Additional rainfall of one half inch will result in a rapid
and steep rise for this river, resulting in minor flooding.

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 10 PM PST Thursday February 9th or as 
warranted by changing conditions.

&&

CAC045-100736-
/O.NEW.KEKA.FL.W.0015.170210T0027Z-170210T1810Z/
/HOPC1.1.ER.170210T0027Z.170210T0300Z.170210T0610Z.NO/
336 PM PST THU FEB 9 2017

 The National Weather Service in Eureka has issued a 

* Flood Warning for 
  the Russian River near Hopland.
* until Friday morning...or until the warning is cancelled.
* At  3:00 PM Thursday the stage was 17.9 feet. 
* Minor flooding is forecast. 
* Flood stage is 21.0 feet. 
* FORECAST...This river is forecast to rise above flood stage of  
  21.0 FT this afternoon, then forecast to crest near 22.5 FT this 
  evening, then forecast to fall below flood stage of 21.0 FT late 
  this evening, then forecast to fall below monitor stage of 18.0 FT 
  early tomorrow morning.
* IMPACTS...At 23.0 feet...Flooding of farmland is likely. Highway 
  175 near the Russian River is closed due to flooding. Flooding of 
  buildings and homes in low lying areas is expected in Hopland, as well
  as the Ukiah and Talmage area.
* FLOOD HISTORY...This crest compares to a previous crest of 22.4 feet
  on Jan 9 1995.

 &&

LAT...LON 3896 12314 3904 12320 3913 12324 3917 12315
      3909 12313 3894 12304       

$$
1 follow-up statement
881 
WGUS86 KEKA 100428
FLSEKA
FLOOD STATEMENT
NATIONAL WEATHER SERVICE EUREKA, CA
828 PM PST THU FEB 9 2017

...The Flood Warning is cancelled for the following rivers
in California...
 
  Russian River near Hopland affecting Mendocino County

&&

CAC045-100458-
/O.CAN.KEKA.FL.W.0015.000000T0000Z-170210T1810Z/
/HOPC1.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.NO/
828 PM PST THU FEB 9 2017

The Flood Warning is cancelled for
  The Russian River near Hopland.
* At  8:00 PM Thursday the stage was 19.4 feet. 
* Flood Stage is 21.0 feet. 

* FORECAST...This river is forecast to recede to near 15.0 FT late
  tonight.

 &&

LAT...LON 3896 12314 3904 12320 3913 12324 3917 12315
      3909 12313 3894 12304       

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 8, 8:29 PM PSTRiver Flood AdvisoryEKAMendocino36 hr
Feb 9, 7:37 AM PSTAreal Flood AdvisoryEKAHumboldt3 hr
Feb 9, 8:39 AM PSTRiver Flood WarningEKAHumboldt12 hr
Feb 9, 8:58 AM PSTGale WarningEKA5 hr
Feb 9, 8:58 AM PSTSmall Craft AdvisoryEKA3 days
Feb 9, 8:58 AM PSTHazardous Seas WarningEKA5 hr
Feb 9, 9:04 AM PSTAreal Flood AdvisoryEKAHumboldt3 hr
Feb 9, 9:47 AM PSTAreal Flood AdvisoryEKAMendocino3 hr
Feb 9, 3:30 PM PSTWinter Weather AdvisoryEKADel Norte21 hr

Nearby

River Flood Warnings in California, 2017Every river flood warning in 2017

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.