Alert archive / California / River Flood Advisories in 2010

River Flood Advisory 2, NWS Eureka, CA

January 25, 2010Mendocino County, California

NWS Eureka, CA issued this river flood advisory at Jan 25, 2010, 3:43 PM PST for Mendocino County, California. It was in force for 18 hr.

The area

The counties it named.

The facts

Issued
Jan 25, 2010, 3:43 PM PST (23:43 UTC)
Expired
Jan 26, 2010, 9:26 AM PST
In force
18 hr
Issued by
NWS Eureka, CA

County Mendocino County, CA

The radar

The Eureka (Bunker Hill) radar (KBHX), 139 km from the middle of the area, began a volume at 23:45 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 16.08 ft at Jan 26, 2010, 2:00 AM PST.

minormoderate510152001/2501/2601/27
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, in the capitals the NWS used until 2016.

137 
WGUS86 KEKA 252343
FLSEKA
FLOOD ADVISORY
NATIONAL WEATHER SERVICE EUREKA, CA
343 PM PST MON JAN 25 2010

...THE NATIONAL WEATHER SERVICE IN EUREKA HAS ISSUED A FLOOD ADVISORY
FOR THE RUSSIAN RIVER...

  RUSSIAN RIVER NEAR HOPLAND AFFECTING MENDOCINO COUNTY 

RAINFALL FOR THE PAST 24 HOURS HAS PRODUCED RISES IN STAGE ON THE
RUSSIAN RIVER. THE RUSSIAN RIVER NEAR HOPLAND IS EXPECTED RISE ABOVE
15 FEET BY 630 PM THIS EVENING AND FALL BELOW 15 FEET BY 10 AM TUESDAY
MORNING.

THE NEXT STATEMENT WILL BE ISSUED TUESDAY JANUARY 26, 2010 AT 10 AM PST
OR AS WARRANTED BY CHANGING CONDITIONS.

&&

CAC045-261743-
/O.NEW.KEKA.FL.Y.0002.100125T2343Z-100127T1115Z/
/HOPC1.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
343 PM PST MON JAN 25 2010

THE NATIONAL WEATHER SERVICE IN EUREKA HAS ISSUED A FLOOD ADVISORY FOR
THE RUSSIAN RIVER NEAR HOPLAND UNTIL LATE TUESDAY MORNING.
* AT  3:00 PM MONDAY THE STAGE WAS 13.2 FEET.
* MONITOR STAGE 18.O FEET, FLOOD STAGE IS 21.0 FEET.
* FORECAST...THE RIVER WILL RISE TO NEAR 15 FEET BY 630 PM THIS EVENING AND
  CREST NEAR 16.8 FEET AROUND 10 PM TONIGHT. THEN THE RIVER WILL SLOWLY RECEDE
  AND IS EXPECTED TO BE BELOW 15 FEET BY 10 AM TUESDAY MORNING.
* IMPACTS AT 17 FEET...FLOODING OF HIGHWAY 175 IS EXPECTED AT THE APPROACHES
  TO THE RUSSIAN RIVER BRIDGE...ALONG WITH MINOR FLOODING OF HIGHWAY 222 NEAR
  UKIAH. EXPECT MINOR FLODOING OF CROPLAND ALONG LEFT AND RIGHT BANK OF
  THE RUSSIAN RIVER NEAR HOPLAND.

$$
2 follow-up statements
961 
WGUS86 KEKA 252353 CCA
FLSEKA
FLOOD ADVISORY...CORRECTED
NATIONAL WEATHER SERVICE EUREKA, CA
343 PM PST MON JAN 25 2010

...THE NATIONAL WEATHER SERVICE IN EUREKA HAS ISSUED A FLOOD ADVISORY
FOR THE RUSSIAN RIVER...

  RUSSIAN RIVER NEAR HOPLAND AFFECTING MENDOCINO COUNTY

RAINFALL FOR THE PAST 24 HOURS HAS PRODUCED RISES IN STAGE ON THE
RUSSIAN RIVER. THE RUSSIAN RIVER NEAR HOPLAND IS EXPECTED RISE ABOVE
15 FEET BY 630 PM THIS EVENING AND FALL BELOW 15 FEET BY 10 AM TUESDAY
MORNING.

THE NEXT STATEMENT WILL BE ISSUED TUESDAY JANUARY 26, 2010 AT 10 AM PST
OR AS WARRANTED BY CHANGING CONDITIONS.

&&

CAC045-261743-
/O.COR.KEKA.FL.Y.0002.100125T2343Z-100127T1115Z/
/HOPC1.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
343 PM PST MON JAN 25 2010

THE NATIONAL WEATHER SERVICE IN EUREKA HAS ISSUED A FLOOD ADVISORY FOR
THE RUSSIAN RIVER NEAR HOPLAND UNTIL LATE TUESDAY MORNING.
* AT  3:00 PM MONDAY THE STAGE WAS 13.2 FEET.
* MONITOR STAGE 18.0 FEET, FLOOD STAGE IS 21.0 FEET.
* FORECAST...THE RIVER WILL RISE TO NEAR 15 FEET BY 630 PM THIS EVENING AND
  CREST NEAR 16.8 FEET AROUND 10 PM TONIGHT. THEN THE RIVER WILL SLOWLY RECEDE
  AND IS EXPECTED TO BE BELOW 15 FEET BY 10 AM TUESDAY MORNING.
* IMPACTS AT 17 FEET...FLOODING OF HIGHWAY 175 IS EXPECTED AT THE APPROACHES
  TO THE RUSSIAN RIVER BRIDGE...ALONG WITH MINOR FLOODING OF HIGHWAY 222 NEAR
  UKIAH. EXPECT MINOR FLOODING OF CROPLAND ALONG LEFT AND RIGHT BANK OF
  THE RUSSIAN RIVER NEAR HOPLAND.

$$
583 
WGUS86 KEKA 261726
FLSEKA
FLOOD ADVISORY
NATIONAL WEATHER SERVICE EUREKA, CA
926 AM PST TUE JAN 26 2010

...THE FLOOD ADVISORY IS CANCELLED FOR THE RUSSIAN RIVER...
 
  RUSSIAN RIVER NEAR HOPLAND AFFECTING MENDOCINO COUNTY

THE RUSSIAN RIVER NEAR HOPLAND HAS FALLEN BELOW THE STAGE OF 15.0 FEET.

THIS WILL BE THE LAST STATEMENT ISSUED ON THIS EVENT, UNLESS FURTHER 
FLOODING THREATENS.

CAC045-261756-
/O.CAN.KEKA.FL.Y.0002.000000T0000Z-100127T1115Z/
/HOPC1.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
926 AM PST TUE JAN 26 2010

THE FLOOD ADVISORY IS CANCELLED FOR THE RUSSIAN RIVER NEAR HOPLAND.
* AT  9:00 AM TUESDAY THE STAGE WAS 12.4 FEET.

$$

What forecasters said that day

The local office's own words before this river flood advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Eureka, CA wrote its last area forecast discussion before this river flood advisory went out at Jan 25, 2:03 PM PST, 1 hour 40 minutes earlier.

Area forecast discussion, Jan 25, 2:03 PM PST, 1 hour 40 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE EUREKA CA
203 PM PST MON JAN 25 2010

.SYNOPSIS...PERIODS OF RAIN WILL CONTINUE EARLY TONIGHT THEN
TAPER TO SHOWERS BY EARLY TUE MORNING. SNOW LEVELS WILL REMAIN
AROUND 3 TO 4000 FEET...LOWERING TO NEAR 2000 FEET IN HEAVIER
SHOWERS. HIGH PRESSURE WILL BUILD OVER THE AREA BY WED.

&&

.SHORT TERM...PRECIP CONTINUES TO BE THE DOMINATE FEATURE OVER THE
FOUR COUNTY WARNING AREA AS A 1009 MB LOW PRES NEAR 38N127W
APPROACHES THE REGION. A FLOOD WARNING HAS BEEN ISSUED FOR THE
NAVARRO RIVER IN MENDOCINO COUNTY VAILD FROM 10 PM TONIGHT INTO
EARLY TUE MORNING. PRECIP ACROSS MEDOCINO COUNTY WILL RANGE FROM A
HALF INCH TO TWO INCHES...IN PRECIP PRONE AREAS. THIS PRECIP WILL
SPREAD THROUGH TRINITY COUNTY IN THE FORM OF SNOW. SEVERAL INCHES
ARE POSSIBLE IN ELEVATIONS ABOVE 4000 FT...WHILE IN HEAVIER SNOW
SHOWERS IT MAY FALL TO AS LOW AS 2000 FT. A WINTER WEATHER
ADVISORY REMAINS IN EFFECT FOR TRINITY COUNTY THROUGH LATE THIS
EVENING DUE TO THE THREAT OF SNOW. HUMBOLDT AND DEL NORTE COUNTIES
WILL ESCAPE THE BRUNT OF THE RAIN AS NRN HUM COUNTY WILL BE
SHADOWED BY CAPE MENDOCINO AND DEL NORTE COUNTY WILL REMAIN W OF
THE PRECIP BULLS EYE. THAT SAID...A FEW TENTHS ARE STILL EXPECTED
THROUGH THE N COAST. AFTER TONIGHT PRECIP WILL TAPER QUICKLY AS
LOW PRES MOVES THRU AND HIGH PRES BEGINS TO SLIDE IN FROM THE W.
THE HIGH SURF ADVISORY FOR THE COASTAL REGIONS WILL EXPIRE AT 5 PM
TONIGHT AS SWELL HAS PEAKED AND IS BEGINNING TO SUBSIDE. BFG

.LONG TERM...FEW CHANGES MADE TO LONG TERM FORECAST EXCEPT TO NUDGE
POPS UPWARD FOR A S/W EXPECTED TO REACH THE COAST ON FRI.
ATTM...BEST H5 DYNAMICS FOR SUPPORT PROGGED TO BE FRI AFTN WHILE
SUPPORT FROM A 130KT JET REMAINS WELL TO OUR S AND W. THIS
REPRESENTS THE LAST VERY CLEAR CHC FOR PRECIP FOR THE FORSEEABLE
FUTURE AS HEIGHTS BEGIN TO INCREASE ALONG THE COAST AND THE NEXT
LARGE-SCALE PATTERN TRANSITION GETS UNDERWAY. AS A RESULT...MODEL
DISAGREEMENT INCREASES IN THE LONG TERM. GFS ENSEMBLES MAINTAIN GOOD
RUN TO RUN CONTINUITY BEYOND THE FCST PD...AS THEY CONTINUE TO
SUGGEST DEVELOPMENT OF A PATTERN REMINISCENT OF LATE DEC WITH
POTENTIAL FOR S STREAM TO UNDERCUT A RIDGE AXIS THAT EXTENDS FROM
THE PAC NW INTO THE HIGH LATITUDES. CLARK

&&

.AVIATION...A LOW PRESSURE SYSTEM WILL CONTINUE TO PRODUCE RAIN AND
HIGH ELEVATION SNOW ACROSS THE REGION THROUGH THE EVENING. THE
PRECIPITATION WILL BE HEAVY AT TIMES AND PRODUCE MVFR CONDITIONS.
RAIN WILL TURN TO SHOWERS AROUND MIDNIGHT TONIGHT ALONG THE COAST
AND A LITTLE LATER FOR INTERIOR REGIONS. IFR CONDITIONS ARE POSSIBLE EARLY
TUE MORNING AS LINGERING MOISTURE...CALM WINDS...AND CLEARING ARE
AMPLE CONDITIONS FOR FOG DEVELOPMENT. TH

&&

.MARINE...WINDS WILL CONTINUE TO EASE THIS EVENING AND REMAIN
RELATIVELY LIGHT THROUGH THE WEEK. LARGE WEST SWELL WILL CONTINUE
TO MOVE THROUGH THE WATERS THIS EVENING AND BEGIN TO SUBSIDE LATE
TONIGHT. A MODERATE WEST SWELL BETWEEN 6 AND 9 FEET WILL CONTINUE
THROUGH MOST OF THE WEEK. ANOTHER STORM WILL INCREASE WINDS AND
BUILDING WEST SWELL LATE IN THE WEEK. TH

&&

.EKA WATCHES/WARNINGS/ADVISORIES...
CA...WINTER WEATHER ADVISORY UNTIL 3 AM PST TUESDAY ABOVE 4000 FEET
     FOR THE CAZ004.

     HIGH SURF ADVISORY UNTIL 6 PM PST THIS EVENING CAZ002.

NORTHWEST CALIFORNIA COASTAL WATERS...HAZARDOUS SEAS WARNING UNTIL 3 AM PST TUESDAY PZZ450-455-470-475.

     SMALL CRAFT ADVISORY FOR WINDS UNTIL 8 PM PST THIS EVENING
     PZZ455-475.

&&

VISIT US AT HTTP://WWW.WEATHER.GOV/EUREKA
Hazardous weather outlook, Jan 25, 3:19 PM PST, 24 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE EUREKA CA
319 PM PST MON JAN 25 2010

CAZ002-261430-
MENDOCINO COAST-
319 PM PST MON JAN 25 2010

...HIGH SURF ADVISORY IN EFFECT UNTIL 6 PM THIS EVENING...
...FLOOD WARNING CONTINUES FOR THE NAVARRO RIVER AT NAVARRO...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHWEST CALIFORNIA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

WEST SWELL OF 19 TO 21 FT AT 16 SECONDS IS AND WILL BE PRODUCING
WAVES OF 22 TO 24 FEET INTO EARLY THIS EVENING. HIGHER SETS ARE
POSSIBLE.

THE NAVARRO RIVER AT NAVARRO IS FORECAST TO EXCEED FLOOD STAGE
BY 7 PM TONIGHT AND WILL REMAIN ABOVE FLOOD STAGE UNTIL EARLY
TUESDAY MORNING. IT IS EXPECTED TO CREST NEAR 26.0 FT LATER THIS
EVENING...THEN SUBSIDE BY EARLY TUE MORNING.
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.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

PLEASE REFER TO WEATHER.GOV/EUREKA AND/OR NOAA WEATHER RADIO FOR
FURTHER DETAILS.

CAZ004-262245-
UPPER TRINITY RIVER-
319 PM PST MON JAN 25 2010

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 3 AM PST TUESDAY...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHWEST CALIFORNIA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

A WINTER WEATHER ADVISORY IS CURRENTLY IN EFFECT FOR POSSIBLE SNOW
ACCUMULATION UP TO 7 INCHES ABOVE 4000 FEET. ACCUMULATIONS OF 1 TO
3 INCHES ARE POSSIBLE BETWEEN 2000 TO 4000 FEET.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

PLEASE REFER TO WEATHER.GOV/EUREKA AND/OR NOAA WEATHER RADIO FOR
FURTHER DETAILS.

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 25, 2:38 AM PSTSmall Craft Advisory for WindsEKA18 hr
Jan 25, 3:32 AM PSTWinter Weather AdvisoryEKA23 hr
Jan 25, 7:27 AM PSTHigh Surf WarningEKA6 hr
Jan 25, 9:47 AM PSTRiver Flood WarningEKAMendocino23 hr
Jan 25, 1:44 PM PSTHigh Surf AdvisoryEKA7 hr

Nearby

River Flood Advisories in California, 2010Every river flood advisory in 2010

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.