Alert archive / California / River Flood Warnings in 2017

River Flood Warning 12, NWS Eureka, CA

February 7, 2017Mendocino County, California

NWS Eureka, CA issued this river flood warning at Feb 7, 2017, 9:32 AM PST for Mendocino County, California. It took effect at Feb 7, 2017, 12:20 PM PST. It was in force for 13 hr.

The area

The outline as issued.

The facts

Issued
Feb 7, 2017, 9:32 AM PST (17:32 UTC)
In effect from
Feb 7, 2017, 12:20 PM PST
Expired
Feb 8, 2017, 1:40 AM PST
In force
13 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 17:31 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 18.56 ft at Feb 7, 2017, 4:00 PM PST.

minormoderate10152002/0702/0802/09
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.

701 
WGUS46 KEKA 071732
FLWEKA
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE EUREKA, CA
932 AM PST TUE FEB 7 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

Rainfall amounts of around 2 inches with locally higher amounts 
occurred last night which has caused rapid and steep rises on the
Russian River. The river is forecast to crest near flood stage
around noon.


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 PM Tuesday February 7 2017
or as warranted by changing conditions.

&&

CAC045-080132-
/O.NEW.KEKA.FL.W.0012.170207T2020Z-170208T0940Z/
/HOPC1.1.ER.170207T2020Z.170207T2100Z.170207T2140Z.NO/
932 AM PST TUE FEB 7 2017

 The National Weather Service in Eureka has issued a 

* Flood Warning for 
  the Russian River near Hopland.
* until late tonight...or until the warning is cancelled.
* At  9:00 AM Tuesday the stage was 17.1 feet. 
* Minor flooding is forecast. 
* Flood stage is 21.0 feet. 
* FORECAST...This river is forecast to rise above monitor stage of 18.0 FT
  late this morning. Then expected to rise above flood stage of 21.0
  FT near noon today. Then forecast to crest near 21.0 FT near noon.
  Then forecast to fall below flood stage of 21.0 FT early this
  afternoon. Then forecast to fall below monitor stage of 18.0 FT
  later this afternoon.
* IMPACTS...At 21.0 feet...Minor flooding of cropland begins along the
  right bank near Hopland. Highway 175 near the Russian River likely 
  closed due to flooding.
* FLOOD HISTORY...This crest compares to a previous crest of 21.1 feet
  on Jan 5 1965.

 &&

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

$$
1 follow-up statement
982 
WGUS86 KEKA 072343
FLSEKA
FLOOD STATEMENT
NATIONAL WEATHER SERVICE EUREKA, CA
343 PM PST TUE FEB 7 2017

...The Flood Warning is cancelled for the following river
in California...
 
  Russian River near Hopland affecting Mendocino County and has been
  replaced by a flood advisory.

&&

CAC045-080013-
/O.CAN.KEKA.FL.W.0012.000000T0000Z-170208T0940Z/
/HOPC1.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.NO/
343 PM PST TUE FEB 7 2017

The Flood Warning is cancelled for
  The Russian River near Hopland and has been replaced
  by a flood advisory.


 &&

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 6, 9:34 PM PSTCoastal Flood AdvisoryEKAHumboldt12 hr
Feb 7, 3:29 AM PSTGale WatchEKA11 hr
Feb 7, 5:18 AM PSTRiver Flood WarningEKAMendocino3 days
Feb 7, 8:44 AM PSTHazardous Seas WarningEKA6 hr
Feb 7, 9:13 AM PSTRiver Flood WarningEKAHumboldt3 days
Feb 7, 9:47 AM PSTRiver Flood WatchEKADel Norte, Humboldt35 hr
Feb 7, 9:47 AM PSTRiver Flood WatchEKAHumboldt47 hr
Feb 7, 2:09 PM PSTFlood WatchEKADel Norte, Humboldt, Mendocino, Trinity50 hr
Feb 7, 2:10 PM PSTHigh Wind WarningEKADel Norte, Humboldt44 hr
Feb 7, 2:10 PM PSTWind AdvisoryEKAHumboldt, Mendocino, Trinity44 hr
Feb 7, 2:11 PM PSTCoastal Flood AdvisoryEKADel Norte, Humboldt, Mendocino21 hr
Feb 7, 2:40 PM PSTSmall Craft AdvisoryEKA26 hr
Feb 7, 2:40 PM PSTStorm WatchEKA13 hr
Feb 7, 3:40 PM PSTRiver Flood AdvisoryEKAMendocino8 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.