Alert archive / Nevada / River Flood Watches in 2011

River Flood Watch 2, NWS Reno, NV

June 11, 2011Douglas County, Nevada; Alpine County, California

NWS Reno, NV issued this river flood watch at Jun 11, 2011, 4:14 PM PDT for Douglas County, Nevada; Alpine County, California. It took effect at Jun 16, 2011, 5:00 AM PDT. It was in force for .

The area

The counties it named.

The facts

Issued
Jun 11, 2011, 4:14 PM PDT (23:14 UTC)
In effect from
Jun 16, 2011, 5:00 AM PDT
Expired
Jun 14, 2011, 2:57 PM PDT
In force
Issued by
NWS Reno, NV
Flood severity
Minor

Counties Alpine County, CA, Douglas County, NV

The radar

The Reno radar (KRGX), 113 km from the middle of the area, began a volume at 23:15 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 West Fork Carson River at Woodfords (WOOC1). The gauge peaked at 13.09 ft at Jun 15, 2011, 1:00 AM PDT.

actionminormoderatemajor1213141506/1106/1206/1306/1406/15
Action stage
12.5 ft
Minor stage
13.5 ft
Moderate stage
14.5 ft
Major stage
15 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 10310000, 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.

954 
WGUS65 KREV 112314
FFAREV
FLOOD WATCH   
NATIONAL WEATHER SERVICE RENO, NV 
414 PM PDT SAT JUN 11 2011

...THE NATIONAL WEATHER SERVICE IN RENO HAS ISSUED A FLOOD WATCH FOR 
THE FOLLOWING RIVERS IN CALIFORNIA AND NEVADA...

WEST WALKER RIVER ABOVE TOPAZ LAKE IN MONO COUNTY CALIFORNIA...

WEST WALKER RIVER BELOW TOPAZ LAKE IN DOUGLAS AND LYON COUNTIES 
NEVADA...

WEST FORK CARSON RIVER IN ALPINE COUNTY CALIFORNIA...AND DOUGLAS 
COUNTY NEVADA...
 
THE FOLLOWING LOCATIONS ARE INCLUDED...

FOR THE WEST WALKER RIVER ABOVE TOPAZ LAKE...
WALKER...COLEVILLE...AND TOPAZ CALIFORNIA... 

FOR THE WEST WALKER RIVER BELOW TOPAZ LAKE...
WELLINGTON AND SMITH NEVADA...

FOR THE WEST FORK CARSON RIVER...
WOODFORDS CALIFORNIA...CENTERVILLE AND GENOA NEVADA.   

SPRING SNOWMELT WILL CAUSE THE WEST WALKER AND 
WEST FORK CARSON RIVERS TO RISE SIGNIFICANTLY THROUGH NEXT 
WEEK...WITH MINOR FLOODING EXPECTED.

WARM WEATHER...WHICH IS EXPECTED TO CONTINUE THROUGH NEXT 
WEEK...WILL INCREASE MELT OF THE LARGE SNOWPACK IN THE UPPER 
PORTIONS OF THE CARSON AND WALKER RIVER BASINS IN THE EASTERN 
SIERRA.  THIS WILL RESULT IN STEADY RISES ON THESE RIVERS AND THEIR 
TRIBUTARIES OVER THE NEXT SEVERAL DAYS.  

MINOR FLOODING OF LOWLANDS...PASTURE AND RURAL ROADS IS FORECAST TO 
BEGIN ON...

THE WEST WALKER RIVER ABOVE TOPAZ LAKE BY EARLY TUESDAY MORNING...
THE WEST WALKER BELOW TOPAZ LAKE BY TUESDAY AFTERNOON...  
THE WEST FORK CARSON RIVER IN THE WOODFORDS-CENTERVILLE AREA BY 
THURSDAY MORNING.

THE HIGHEST FLOWS OF THE MELT SEASON ON THE WALKER AND CARSON RIVERS 
ARE EXPECTED BETWEEN WEDNESDAY JUNE 15TH AND SATURDAY JUNE 25TH.  
THERE WILL BE A HIGHER THREAT OF FLOODING ON THESE RIVERS AND THEIR 
TRIBUTARIES DURING THIS PERIOD. 

PEOPLE RECREATING ON RIVERS AND STREAMS IN THE EASTERN SIERRA SHOULD TAKE 
CARE IN AND NEAR THE WATER.  THIS IS ESPECIALLY IMPORTANT DURING THE 
SPRING SNOW MELT SEASON...WHEN WATER TEMPERATURES ARE VERY COLD AND 
WATER CAN BE FAST FLOWING AND DEEP.

THE NEXT FORECAST UPDATE FOR THESE LOCATIONS WILL BE ISSUED SUNDAY 
AFTERNOON JUNE 12.

&&

CAC003-NVC005-122314-
/O.NEW.KREV.FL.A.0002.110616T0600Z-110618T0000Z/
/WOOC1.1.SM.000000T0000Z.000000T0000Z.000000T0000Z.NO/
414 PM PDT SAT JUN 11 2011

THE NATIONAL WEATHER SERVICE IN RENO HAS ISSUED A
* FLOOD WATCH FOR
  THE WEST FORK CARSON RIVER AT WOODFORDS
* FROM WEDNESDAY EVENING TO FRIDAY AFTERNOON.
* AT  3:30 PM SATURDAY THE STAGE WAS 12.5 FEET.
* MINOR FLOODING IS POSSIBLE. 
* FLOOD STAGE IS 14.0 FEET.
* FORECAST...FLOOD STAGE MAY BE REACHED BY EARLY THURSDAY MORNING.
* IMPACT...AT 14.0 FEET...FLOOD STAGE.  MINOR FLOODING BEGINS IN THE 
  SOUTHWESTERN CARSON VALLEY BETWEEN CENTERVILLE AND GENOA NV.  ABOUT
  1900 CFS.  CHANCE IN ANY YEAR ABOUT 1 IN 8. 

$$

CAC051-122314-
/O.NEW.KREV.FL.A.0003.110614T0600Z-110618T0000Z/
/WWBC1.1.SM.000000T0000Z.000000T0000Z.000000T0000Z.NO/
414 PM PDT SAT JUN 11 2011

THE NATIONAL WEATHER SERVICE IN RENO HAS ISSUED A
* FLOOD WATCH FOR
  THE WEST WALKER RIVER NEAR COLEVILLE
* FROM MONDAY EVENING TO FRIDAY AFTERNOON.
* AT  3:30 PM SATURDAY THE STAGE WAS 4.3 FEET.
* MINOR FLOODING IS POSSIBLE. 
* FLOOD STAGE IS 6.0 FEET.
* FORECAST...FLOOD STAGE MAY BE REACHED BY EARLY TUESDAY MORNING...
  WITH FURTHER RISES EXPECTED.
* IMPACT...AT 6.6 FEET...MINOR TO MODERATE FLOODING OF LOWLANDS...
  PASTURES AND SOME RURAL ROADS ALONG RIVER FROM WALKER TO TOPAZ 
  LAKE...INCLUDING WALKER/COLEVILLE/TOPAZ CA. APPROXIMATELY 3800 CFS 
  WITH A 1 IN 10 CHANCE...ANY GIVEN YEAR.

$$

NVC005-019-122314-
/O.NEW.KREV.FL.A.0004.110614T1800Z-110618T0000Z/
/HOYN2.1.SM.000000T0000Z.000000T0000Z.000000T0000Z.NO/
414 PM PDT SAT JUN 11 2011

THE NATIONAL WEATHER SERVICE IN RENO HAS ISSUED A
* FLOOD WATCH FOR
  THE WEST WALKER RIVER AT HOYE BRIDGE NEAR WELLINGTON
* FROM TUESDAY MORNING TO FRIDAY AFTERNOON.
* AT  3:30 PM SATURDAY THE STAGE WAS 5.6 FEET.
* MINOR FLOODING IS POSSIBLE.
* FLOOD STAGE IS 8.0 FEET.
* FORECAST...FLOOD STAGE MAY BE REACHED BY TUESDAY MORNING.
* IMPACT...AT 8.0 FEET...MINOR TO MODERATE FLOODING OF LOWLANDS...
  PASTURES AND SOME RURAL ROADS IN THE SMITH AND WELLINGTON AREAS.

$$
3 follow-up statements
418 
WGUS65 KREV 121956
FFAREV
FLOOD WATCH   
NATIONAL WEATHER SERVICE RENO, NV 
1256 PM PDT SUN JUN 12 2011

...THE NATIONAL WEATHER SERVICE IN RENO CONTINUES THE FLOOD WATCH FOR THE FOLLOWING RIVERS IN CALIFORNIA AND NEVADA...

WEST WALKER RIVER ABOVE TOPAZ LAKE IN MONO COUNTY CALIFORNIA...

WEST WALKER RIVER BELOW TOPAZ LAKE IN DOUGLAS AND LYON COUNTIES 
NEVADA...

WEST FORK CARSON RIVER IN ALPINE COUNTY CALIFORNIA...AND DOUGLAS 
COUNTY NEVADA...
 
THE FOLLOWING LOCATIONS ARE INCLUDED...

FOR THE WEST WALKER RIVER ABOVE TOPAZ LAKE...
WALKER...COLEVILLE...AND TOPAZ CALIFORNIA... 

FOR THE WEST WALKER RIVER BELOW TOPAZ LAKE...
WELLINGTON AND SMITH NEVADA...

FOR THE WEST FORK CARSON RIVER...
WOODFORDS CALIFORNIA...CENTERVILLE AND GENOA NEVADA.   

SPRING SNOWMELT WILL CAUSE THE WEST WALKER AND 
WEST FORK CARSON RIVERS TO RISE SIGNIFICANTLY THROUGH THIS
WEEK...WITH MINOR FLOODING EXPECTED.

WARM WEATHER...WHICH IS EXPECTED TO CONTINUE THROUGH THIS
WEEK...WILL INCREASE MELT OF THE LARGE SNOWPACK IN THE UPPER 
PORTIONS OF THE CARSON AND WALKER RIVER BASINS IN THE EASTERN 
SIERRA.  THIS WILL RESULT IN STEADY RISES ON THESE RIVERS AND THEIR 
TRIBUTARIES OVER THE NEXT SEVERAL DAYS.  

MINOR FLOODING OF LOWLANDS...PASTURE AND RURAL ROADS IS FORECAST TO 
BEGIN ON...

THE WEST WALKER RIVER ABOVE TOPAZ LAKE BY EARLY TUESDAY MORNING...
THE WEST WALKER BELOW TOPAZ LAKE BY TUESDAY AFTERNOON...  
THE WEST FORK CARSON RIVER IN THE WOODFORDS-CENTERVILLE AREA BY 
THURSDAY MORNING.

THE HIGHEST FLOWS OF THE MELT SEASON ON THE WALKER AND CARSON RIVERS 
ARE EXPECTED BETWEEN WEDNESDAY JUNE 15TH AND SATURDAY JUNE 25TH.  
THERE WILL BE A HIGHER THREAT OF FLOODING ON THESE RIVERS AND THEIR 
TRIBUTARIES DURING THIS PERIOD. 

PEOPLE RECREATING ON RIVERS AND STREAMS IN THE EASTERN SIERRA SHOULD TAKE 
CARE IN AND NEAR THE WATER.  THIS IS ESPECIALLY IMPORTANT DURING THE 
SPRING SNOW MELT SEASON...WHEN WATER TEMPERATURES ARE VERY COLD AND 
WATER CAN BE FAST FLOWING AND DEEP.

THE NEXT FORECAST UPDATE FOR THESE LOCATIONS WILL BE ISSUED MONDAY
AFTERNOON JUNE 13.

&&

CAC051-132156-
/O.CON.KREV.FL.A.0003.110615T0500Z-110618T0000Z/
/WWBC1.0.SM.000000T0000Z.000000T0000Z.000000T0000Z.OO/
1256 PM PDT SUN JUN 12 2011

THE NATIONAL WEATHER SERVICE CONTINUES THE FLOOD WATCH FOR
  THE WEST WALKER RIVER NEAR COLEVILLE
* FROM TUESDAY EVENING TO FRIDAY AFTERNOON.
* AT 11:30 AM SUNDAY THE STAGE WAS 4.6 FEET.
* MINOR FLOODING IS POSSIBLE. 
* FLOOD STAGE IS 6.0 FEET.
* FORECAST...FLOOD STAGE MAY BE REACHED BY TUESDAY...WITH
  FURTHER RISES EXPECTED. 
* IMPACT...AT 6.6 FEET...MINOR TO MODERATE FLOODING OF LOWLANDS...
  PASTURES AND SOME RURAL ROADS ALONG RIVER FROM WALKER TO TOPAZ 
  LAKE...INCLUDING WALKER/COLEVILLE/TOPAZ CA. APPROXIMATELY 3800 CFS 
  WITH A 1 IN 10 CHANCE IN ANY GIVEN YEAR.

$$

CAC003-NVC005-132156-
/O.CON.KREV.FL.A.0002.110616T0800Z-110618T0000Z/
/WOOC1.0.SM.000000T0000Z.000000T0000Z.000000T0000Z.OO/
1256 PM PDT SUN JUN 12 2011

THE NATIONAL WEATHER SERVICE CONTINUES THE FLOOD WATCH FOR
  THE WEST FORK CARSON RIVER AT WOODFORDS
* FROM LATE WEDNESDAY NIGHT TO FRIDAY AFTERNOON.
* AT 11:30 AM SUNDAY THE STAGE WAS 12.5 FEET.
* MINOR FLOODING IS POSSIBLE. 
* FLOOD STAGE IS 14.0 FEET.
* FORECAST...FLOOD STAGE MAY BE REACHED BY EARLY THURSDAY MORNING.
* IMPACT...AT 14.0 FEET...FLOOD STAGE.  MINOR FLOODING BEGINS IN THE 
  SOUTHWESTERN CARSON VALLEY BETWEEN CENTERVILLE AND GENOA NV.  ABOUT
  1900 CFS.  CHANCE IN ANY YEAR ABOUT 1 IN 8.  

$$

NVC005-019-132156-
/O.CON.KREV.FL.A.0004.110615T0500Z-110618T0000Z/
/HOYN2.0.SM.000000T0000Z.000000T0000Z.000000T0000Z.OO/
1256 PM PDT SUN JUN 12 2011

THE NATIONAL WEATHER SERVICE CONTINUES THE FLOOD WATCH FOR
  THE WEST WALKER RIVER AT HOYE BRIDGE NEAR WELLINGTON
* FROM TUESDAY TO FRIDAY AFTERNOON.
* AT 12:30 PM SUNDAY THE STAGE WAS 5.8 FEET.
* MINOR FLOODING IS POSSIBLE. 
* FLOOD STAGE IS 8.0 FEET.
* FORECAST...FLOOD STAGE MAY BE REACHED BY TUESDAY.
* IMPACT...AT 8.0 FEET...MINOR TO MODERATE FLOODING OF LOWLANDS...
  PASTURES AND SOME RURAL ROADS IN THE SMITH AND WELLINGTON AREAS.

$$
111 
WGUS65 KREV 132234
FFAREV
FLOOD WATCH   
NATIONAL WEATHER SERVICE RENO, NV 
334 PM PDT MON JUN 13 2011

...THE NATIONAL WEATHER SERVICE IN RENO CONTINUES THE FLOOD WATCH 
FOR THE FOLLOWING RIVERS IN CALIFORNIA AND NEVADA...

WEST WALKER RIVER ABOVE TOPAZ LAKE IN MONO COUNTY CALIFORNIA...

WEST WALKER RIVER BELOW TOPAZ LAKE IN DOUGLAS AND LYON COUNTIES 
NEVADA...

WEST FORK CARSON RIVER IN ALPINE COUNTY CALIFORNIA...AND DOUGLAS 
COUNTY NEVADA...
 
THE FOLLOWING LOCATIONS ARE INCLUDED...

FOR THE WEST WALKER RIVER ABOVE TOPAZ LAKE...
WALKER...COLEVILLE...AND TOPAZ CALIFORNIA... 

FOR THE WEST WALKER RIVER BELOW TOPAZ LAKE...
WELLINGTON AND SMITH NEVADA...

FOR THE WEST FORK CARSON RIVER...
WOODFORDS CALIFORNIA...CENTERVILLE AND GENOA NEVADA.   

SPRING SNOWMELT WILL CAUSE THE WEST WALKER AND WEST FORK CARSON
RIVERS TO RISE SIGNIFICANTLY THROUGH THIS WEEK...WITH MINOR TO
MODERATE FLOODING EXPECTED.  

WARM WEATHER...WHICH IS EXPECTED TO CONTINUE THROUGH THIS
WEEK...WILL INCREASE MELT OF THE LARGE SNOWPACK IN THE UPPER 
PORTIONS OF THE CARSON AND WALKER RIVER BASINS IN THE EASTERN 
SIERRA.  THIS WILL RESULT IN STEADY RISES ON THE WEST WALKER AND ON
THE WEST FORK CARSON OVER THE NEXT SEVERAL DAYS.  

ADDITIONAL RELEASES FROM TOPAZ RESERVOIR MAY BECOME NECESSARY LATER
IN THE WEEK AS SPRING SNOWMELT PROGRESSES.  ADDITIONAL RELEASES
COULD CAUSE MINOR FLOODING ON THE WEST WALKER BELOW TOPAZ IN THE
SMITH VALLEY AREA.

MINOR FLOODING OF LOWLANDS...PASTURE AND RURAL ROADS IS EXPECTED
FORECAST TO BEGIN ON...

THE WEST WALKER RIVER ABOVE TOPAZ LAKE BY LATE TUESDAY NIGHT...
THE WEST WALKER BELOW TOPAZ LAKE BY WEDNESDAY AFTERNOON...  
THE WEST FORK CARSON RIVER IN THE WOODFORDS-CENTERVILLE AREA BY 
LATE WEDNESDAY NIGHT.

THE HIGHEST FLOWS OF THE MELT SEASON ON THE WALKER AND CARSON RIVERS 
ARE EXPECTED BETWEEN WEDNESDAY JUNE 15TH AND SATURDAY JUNE 25TH.  
THERE WILL BE A HIGHER THREAT OF FLOODING ON THESE RIVERS AND THEIR 
TRIBUTARIES DURING THIS PERIOD. 

PEOPLE RECREATING ON RIVERS AND STREAMS IN THE EASTERN SIERRA SHOULD
TAKE CARE IN AND NEAR THE WATER.  THIS IS ESPECIALLY IMPORTANT
DURING THE SPRING SNOW MELT SEASON...WHEN WATER TEMPERATURES ARE
VERY COLD AND WATER CAN BE FAST FLOWING AND DEEP.

THE NEXT FORECAST UPDATE FOR THESE LOCATIONS WILL BE ISSUED TUESDAY
AFTERNOON JUNE 14TH.

&&

CAC051-142234-
/O.CON.KREV.FL.A.0003.110615T0900Z-110618T0000Z/
/WWBC1.1.SM.000000T0000Z.000000T0000Z.000000T0000Z.NO/
334 PM PDT MON JUN 13 2011

THE NATIONAL WEATHER SERVICE CONTINUES THE FLOOD WATCH FOR
THE WEST WALKER RIVER NEAR COLEVILLE
* FROM LATE TUESDAY NIGHT TO FRIDAY AFTERNOON.
* AT 2:30 PM MONDAY THE STAGE WAS 4.7 FEET.
* MINOR TO MODERATE FLOODING IS POSSIBLE. 
* FLOOD STAGE IS 6.0 FEET.
* FORECAST...FLOOD STAGE MAY BE REACHED BY EARLY WEDNESDAY
  MORNING...WITH A RISE TO NEAR 6.5 FEET POSSIBLE BY EARLY THURSDAY
  MORNING.
* IMPACT...AT 6.5 FEET...MODERATE FLOODING OF LOWLANDS...PASTURES AND 
  SOME RURAL ROADS ALONG RIVER FROM WALKER TO TOPAZ LAKE...INCLUDING 
  WALKER/COLEVILLE/TOPAZ CALIFORNIA.  APPROXIMATELY 3800 CFS WITH A 1 
  IN 10 CHANCE ANY GIVEN YEAR.

$$

CAC003-NVC005-142234-
/O.CON.KREV.FL.A.0002.110616T0900Z-110618T0000Z/
/WOOC1.1.SM.000000T0000Z.000000T0000Z.000000T0000Z.NO/
334 PM PDT MON JUN 13 2011

THE NATIONAL WEATHER SERVICE CONTINUES THE FLOOD WATCH FOR
  THE WEST FORK CARSON RIVER AT WOODFORDS
* FROM LATE WEDNESDAY NIGHT TO FRIDAY AFTERNOON.
* AT  2:30 PM MONDAY THE STAGE WAS 12.6 FEET.
* MINOR FLOODING IS POSSIBLE. 
* FLOOD STAGE IS 14.0 FEET.
* FORECAST...FLOOD STAGE MAY BE REACHED BY EARLY THURSDAY MORNING.
* IMPACT...AT 14.0 FEET...FLOOD STAGE.  MINOR FLOODING BEGINS IN THE 
  SOUTHWESTERN CARSON VALLEY BETWEEN CENTERVILLE AND GENOA NV.  ABOUT
  1900 CFS.  CHANCE IN ANY YEAR ABOUT 1 IN 8. 

$$

NVC005-019-142234-
/O.CON.KREV.FL.A.0004.110616T0000Z-110618T0000Z/
/HOYN2.0.SM.000000T0000Z.000000T0000Z.000000T0000Z.OO/
334 PM PDT MON JUN 13 2011

THE NATIONAL WEATHER SERVICE CONTINUES THE FLOOD WATCH FOR
THE WEST WALKER RIVER AT HOYE BRIDGE NEAR WELLINGTON
* FROM WEDNESDAY AFTERNOON TO FRIDAY AFTERNOON.
* AT 2:30 PM MONDAY THE STAGE WAS 5.8 FEET.
* MINOR FLOODING IS POSSIBLE. 
* FLOOD STAGE IS 8.0 FEET.
* FORECAST...FLOOD STAGE MAY BE REACHED BY WEDNESDAY AFTERNOON IF
  ADDITIONAL RELEASES FROM TOPAZ RESERVOIR BECOME NECESSARY.
* IMPACT...AT 8.0 FEET...MINOR FLOODING OF LOWLANDS...PASTURE AND
  SOME RURAL ROADS IN THE SMITH AND WELLINGTON AREAS. ABOUT 2600 CFS.

$$
985 
WGUS65 KREV 142157
FFAREV
FLOOD WATCH   
NATIONAL WEATHER SERVICE RENO, NV 
257 PM PDT TUE JUN 14 2011

...THE NATIONAL WEATHER SERVICE IN RENO HAS CANCELLED THE FLOOD WATCH 
   FOR THE FOLLOWING RIVERS IN CALIFORNIA...NEVADA...
 
  WEST FORK CARSON RIVER AT WOODFORDS AFFECTING ALPINE COUNTY CALIFORNIA 
  AND DOUGLAS COUNTY NEVADA...

...THE NATIONAL WEATHER SERVICE CONTINUES THE FLOOD WATCH FOR THE FOLLOWING RIVERS IN
   NEVADA...

  WEST WALKER RIVER AT HOYE BRIDGE NEAR WELLINGTON AFFECTING DOUGLAS
  AND LYON COUNTIES NEVADA...

THE FOLLOWING LOCATIONS ARE INCLUDED...
 
FOR THE WEST WALKER RIVER BELOW TOPAZ LAKE...
WELLINGTON AND SMITH NEVADA. 

SPRING SNOWMELT WILL CAUSE THE WEST WALKER RIVER 
TO RISE SIGNIFICANTLY THROUGH THIS WEEK...WITH MINOR TO
MODERATE FLOODING EXPECTED.    

WARM WEATHER...WHICH IS EXPECTED TO CONTINUE THROUGH THIS
WEEK...WILL INCREASE MELT OF THE LARGE SNOWPACK IN THE UPPER 
PORTIONS OF THE WALKER RIVER BASIN IN THE EASTERN 
SIERRA. THIS WILL RESULT IN STEADY RISES ON THE WEST WALKER 
OVER THE NEXT SEVERAL DAYS.  

ADDITIONAL RELEASES FROM TOPAZ RESERVOIR MAY BECOME NECESSARY LATER
IN THE WEEK AS SPRING SNOWMELT PROGRESSES. IF ADDITIONAL RELEASES
ON THE TOPAZ OCCUR...THEN THIS COULD CAUSE MINOR FLOODING ON THE WEST 
WALKER RIVER BELOW TOPAZ IN THE SMITH VALLEY AREA.

MINOR FLOODING OF LOWLANDS...PASTURE AND RURAL ROADS IS FORECAST
TO BEGIN ON...

THE WEST WALKER BELOW TOPAZ LAKE BY WEDNESDAY AFTERNOON...  

THE HIGHEST FLOWS OF THE MELT SEASON ON THE WALKER RIVER 
ARE EXPECTED BETWEEN WEDNESDAY JUNE 15TH AND SATURDAY JUNE 25TH.  
THERE WILL BE A HIGHER THREAT OF FLOODING ON THIS RIVER AND ITS 
TRIBUTARIES DURING THIS PERIOD. 

PEOPLE RECREATING ON RIVERS AND STREAMS IN THE EASTERN SIERRA SHOULD
TAKE CARE IN AND NEAR THE WATER. THIS IS ESPECIALLY IMPORTANT
DURING THE SPRING SNOW MELT SEASON...WHEN WATER TEMPERATURES ARE
VERY COLD AND WATER CAN BE FAST FLOWING AND DEEP.

THE NEXT FORECAST UPDATE FOR THESE LOCATIONS WILL BE ISSUED WEDNESDAY
AFTERNOON JUNE 15TH.

&&

CAC003-NVC005-142227-
/O.CAN.KREV.FL.A.0002.110616T1200Z-110618T0000Z/
/WOOC1.0.SM.000000T0000Z.000000T0000Z.000000T0000Z.OO/
257 PM PDT TUE JUN 14 2011

THE NATIONAL WEATHER SERVICE HAS REPLACED THE FLOOD WATCH FOR
  THE WEST FORK CARSON RIVER AT WOODFORDS WITH A FLOOD ADVISORY
* AT 1:30 PM TUESDAY THE STAGE WAS 12.6 FEET.
* FORECAST...THE RIVER IS FORECAST TO REACH A MAXIMUM STAGE OF 14.0 
  FEET BY EARLY THURSDAY MORNING.
* IMPACT...AT 14.0 FEET...FLOOD STAGE. MINOR FLOODING BEGINS IN THE 
  SOUTHWESTERN CARSON VALLEY BETWEEN CENTERVILLE AND GENOA NV. ABOUT
  1900 CFS. CHANCE IN ANY YEAR ABOUT 1 IN 8.

$$

NVC005-019-160357-
/O.CON.KREV.FL.A.0004.110616T0000Z-110618T0000Z/
/HOYN2.1.SM.000000T0000Z.000000T0000Z.000000T0000Z.OO/
257 PM PDT TUE JUN 14 2011

THE NATIONAL WEATHER SERVICE CONTINUES THE FLOOD WATCH FOR
  THE WEST WALKER RIVER AT HOYE BRIDGE NEAR WELLINGTON
* FROM WEDNESDAY AFTERNOON TO FRIDAY AFTERNOON.
* AT 1:30 PM TUESDAY THE STAGE WAS 6.0 FEET.
* MINOR FLOODING IS POSSIBLE. 
* FLOOD STAGE IS 8.0 FEET.
* FORECAST...FLOOD STAGE MAY BE REACHED BY WEDNESDAY AFTERNOON IF
 ADDITIONAL RELEASES FROM TOPAZ RESERVOIR BECOME NECESSARY.
* IMPACT...AT 8.0 FEET...MINOR FLOODING OF LOWLANDS...PASTURE AND 
 SOME RURAL ROADS IN THE SMITH AND WELLINGTON AREAS. ABOUT 2600 CFS.

$$

What forecasters said that day

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

NWS Reno, NV wrote its last area forecast discussion before this river flood watch went out at Jun 11, 3:19 PM PDT, 55 minutes earlier.

Area forecast discussion, Jun 11, 3:19 PM PDT, 55 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE RENO NV
319 PM PDT SAT JUN 11 2011

.SHORT TERM...
A WEAK SHORTWAVE IS MOVING THROUGH SRN OREGON AND NE CA THIS
AFTERNOON AND HAS BROUGHT SOME HIGH AND MID LEVEL CLOUDS TO THE
FORECAST AREA AS WELL AS SOME LIGHT SHOWERS NORTH OF AROUND
INTERSTATE 80. A LIGHTNING STRIKE CANNOT BE RULED OUT...BUT LOOKS
UNLIKELY WITH THICK CLOUD COVER AND MODEST MID LEVEL INSTABILITY. ANY
SHOWER DEVELOPMENT SHOULD ONLY HOLD TOGETHER THROUGH AROUND 7 OR 8
PM AND THEN THE WAVE WILL BE TOO FAR EAST WHILE THE AIR MASS
STABILIZES WITH LOSS OF DAYTIME HEATING. SKIES SHOULD CLEAR AFTER
MIDNIGHT WITH SUBSIDENCE BEHIND THE WAVE.

WEAK TROUGHINESS WILL REMAIN OVER THE FORECAST AREA SUNDAY WITH
YET ANOTHER WEAK SHORTWAVE AND ASSOCIATED JET STREAM PUSHING INTO
SRN OREGON AND VERY FAR NRN NEVADA LATE SUNDAY AFTERNOON AND
OVERNIGHT. SHOWERS ARE LESS LIKELY WITH THIS WAVE BUT SOME HIGH
CLOUDS ARE AGAIN EXPECTED...ESPECIALLY NORTH OF A
SUSANVILLE/LOVELOCK LINE. TEMPERATURES ARE EXPECTED TO WARM A
COUPLE DEGREES SUNDAY WITH HEIGHTS SLIGHTLY HIGHER COMPARED WITH
TODAY.

THE RIDGE IS EXPECTED TO STRENGTHEN INTO THE FORECAST AREA MONDAY
INTO TUESDAY...BRINGING A SUSTAINED WARMING TREND WITH TEMPS IN THE
MID TO UPPER 80S FOR MOST WESTERN NV VALLEYS AND 70S IN THE
VALLEYS OF THE SIERRA. THIS WILL BRING THE WARMEST TEMPERATURES OF
THE YEAR AND WILL EXACERBATE SNOWMELT RUNOFF WITH POTENTIAL HYDRO
CONCERNS. SEE HYDRO SECTION FOR MORE DETAILS.   MILNE

.LONG TERM...WEDNESDAY THROUGH SATURDAY...
ONLY MINOR CHANGES MADE AS GFS/ECMWF CONTINUE TO STICK TO THEIR OWN
SOLUTIONS REGARDING THE PAC NW TROUGH. THE 12Z ECMWF REMAINS MORE
PROGRESSIVE AND LESS AMPLIFIED WITH THE TROUGH WHEREAS THE 12Z GFS
CONTINUES TO BE SLOWER AND DEEPER. THE GFS APPEARS TO HAVE BETTER
OVERALL SUPPORT FROM ITS ENSEMBLE...BUT IS STILL SLIGHTLY DEEPER AND
COOLER WITH THE TROUGH THAN MOST OF THE INDIVIDUAL ENSEMBLE MEMBERS.
MEANWHILE...THERE IS CONSIDERABLE SPREAD AMONG THE ECMWF ENSEMBLE
DATA...BUT GENERALLY INDICATE A VERY WEAK TROUGH OVER THE WEST. FEEL
THE GFS IS TOO COLD WHILE THE ECMWF IS A TAD TOO WARM. THE CURRENT
FORECAST REFLECTS A COMPROMISE OF THE TWO WITH SEASONAL TEMPERATURES
FOR MID JUNE AND MOSTLY CLEAR TO PARTLY CLOUDY SKIES. WILL HAVE TO
WATCH FOR THE POSSIBILITY OF AFTERNOON CONVECTION OVER MONO/MINERAL
COUNTY...BUT TOO MUCH UNCERTAINTY TO INCLUDE IN THE FORECAST AT THIS
TIME DUE TO MODEL TO MODEL INCONSISTENCIES. SCV

&&

.AVIATION...
GENERALLY VFR THROUGH SUNDAY. FOR THE REMAINDER OF TODAY...A TROUGH
MOVING THROUGH THE REGION WILL BRING SW-W WINDS 10-15 KT WITH GUSTS
UP TO 25 KT THIS AFTERNOON AND EVENING...AND ISOLATED SHOWERS NORTH
OF I-80. FOR SUNDAY...THERE IS A SLIGHT CHANCE OF FOG AT KTRK BTWN
11-14Z...OTHERWISE VFR WITH AFTERNOON WINDS AROUND 10-15 KTS. SCV

&&

.HYDROLOGY...
THE CURRENT MILD CONDITIONS ARE ALLOWING THE HIGH ELEVATION
SNOWPACK TO RAPIDLY MELT OFF. THIS HAS LED TO SIGNIFICANT RISES ON
ALL RIVERS...CREEKS AND STREAMS COMING OUT OF THE HIGH SIERRA. AS
TEMPERATURES CONTINUE TO WARM INTO EARLY NEXT WEEK...RUNOFF WILL
ACCELERATE AND IS EXPECTED TO BRING PORTIONS OF THE CARSON AND
WALKER RIVERS TO ABOVE FLOOD STAGE. THE WEST WALKER RIVER IS
EXPECTED TO GET ABOVE FLOOD STAGE AROUND TUESDAY. THE MAIN STEM
WALKER IS EXPECTED TO GET TO FLOOD STAGE MONDAY MORNING FROM MASON
TO WEBBER DAM WITH ONLY MINOR LOWLAND FLOODING EXPECTED INITIALLY.
FURTHER RISES ON THE WALKER ARE EXPECTED AS THE WEEK PROGRESSES.
FOR THE CARSON RIVER...MINOR FLOODING IS POSSIBLE ON THE WEST FORK
EARLY NEXT WEEK...BUT ENOUGH SNOWPACK HAS ALREADY MELTED THIS
SEASON THAT IMPACTS ARE ONLY EXPECTED TO BE MINOR. RISES ON RIVERS
WILL NEED TO BE CLOSELY MONITORED FROM MONDAY ON. ADDITIONAL
DETAILS ON FLOOD WATCHES AND WARNINGS CAN BE FOUND IN THE
HYDROLOGY PRODUCTS ISSUED BY NWS RENO AT WWW.WEATHER.GOV/RENO.
MILNE

&&

.REV WATCHES/WARNINGS/ADVISORIES...
NV...NONE.
CA...NONE.

&&

HTTP://WEATHER.GOV/RENO

The office that day

Everything else NWS Reno, NV issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 11, 3:03 PM PDTRiver Flood WarningREVLyon34 days
Jun 11, 3:03 PM PDTRiver Flood WarningREVLyon24 days
Jun 11, 4:14 PM PDTRiver Flood WatchREVDouglas, Lyon5 days
Jun 11, 4:14 PM PDTRiver Flood WatchREVMono71 hr

Nearby

River Flood Watches in Nevada, 2011River Flood Watches in California, 2011Every river flood watch in 2011

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.