Alert archive / California / River Flood Warnings in 2016

River Flood Warning 2, NWS Reno, NV

December 14, 2016Nevada County, Placer County, California

NWS Reno, NV issued this river flood warning at Dec 14, 2016, 2:32 PM PST for Nevada County, Placer County, California. It took effect at Dec 15, 2016, 8:04 PM PST. It was in force for 27 hr.

The area

The outline as issued.

The facts

Issued
Dec 14, 2016, 2:32 PM PST (22:32 UTC)
In effect from
Dec 15, 2016, 8:04 PM PST
Expired
Dec 16, 2016, 11:05 PM PST
In force
27 hr
Issued by
NWS Reno, NV
Area
Storm-based polygon
Flood severity
Minor

Counties Nevada County, CA, Placer County, CA

The radar

The Reno radar (KRGX), 81 km from the middle of the area, began a volume at 22:30 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 Truckee River near Truckee (TRCC1). The gauge peaked at 4.41 ft at Dec 16, 2016, 2:00 AM PST.

actionminormoderate24612/1412/1512/1612/1712/18
Action stage
4.5 ft
Minor stage
5.5 ft
Moderate stage
6.5 ft
Major stage
7.5 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 10338000, 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.

912 
WGUS45 KREV 142232
FLWREV
 
FLOOD WARNING 
NATIONAL WEATHER SERVICE RENO, NV 
232 PM PST WED DEC 14 2016

...The National Weather Service in Reno has issued a Flood Warning 
for the following rivers in California... 

  Truckee River Near Truckee affecting Nevada AND Placer COUNTIES

For the Truckee River...including Truckee...Minor flooding is 
forecast.

An atmospheric river will produce a period of intense
precipitation on saturated soils with snow levels near and above
8000 feet on Thursday. Significant runoff through creeks and streams
will likely cause the Truckee River near Truckee to exceed flood
stage by early Thursday evening.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Be alert for heavy rain upstream of your location which could cause 
additional rapid rises on rivers and streams. Valuables should be
moved away from areas subject to flooding. Never drive through
flooded areas. Follow the directions of emergency officials

The next forecast update for these locations will be issued at about
9 pm.

&&

CAC057-061-160432-
/O.NEW.KREV.FL.W.0002.161216T0404Z-161217T0705Z/
/TRCC1.1.ER.161216T0404Z.161216T0600Z.161216T1305Z.NO/
232 PM PST WED DEC 14 2016

The National Weather Service in Reno has issued a 

* Flood Warning for 
  The Truckee River Near Truckee.
* FROM THURSDAY EVENING TO FRIDAY EVENING...Or until the warning is 
  canceled.
* At 2:00 PM Wednesday the stage was 2.0 feet.
* Flood stage is 4.5 feet.
* Minor flooding is forecast.
* Forecast...Rise above flood stage by Thursday evening and reach a
  crest near 5.4 feet. The river will fall below flood  stage by
  early Friday morning.
* Impact...At 5.5 feet...Moderate flooding from Bear Creek in the 
  Alpine Meadows area to Truckee...about 3500 cfs. Flooding of yards
  and basements of low-lying homes along river...some private bridges
  begin to be impacted. Campgrounds along river flooded.

&&

LAT...LON 3918 12021 3932 12022 3939 12010 3938 12009 3919 12019

$$
5 follow-up statements
336 
WGUS85 KREV 150422
FLSREV
FLOOD STATEMENT 
NATIONAL WEATHER SERVICE RENO, NV 
822 PM PST WED DEC 14 2016
   

...The flood warning continues for the following rivers in 
California...

  Truckee River Near Truckee affecting Nevada AND Placer COUNTIES
  
For the Truckee River...including Truckee...Minor flooding is 
forecast.

An atmospheric river will produce a period of intense
precipitation on saturated soils with snow levels near and above
8000 feet on Thursday. Significant runoff through creeks and streams
will likely cause the Truckee River near Truckee to exceed flood
stage by early Thursday evening.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Be alert for heavy rain upstream of your location which could cause 
additional rapid rises on rivers and streams. Valuables should be
moved away from areas subject to flooding. Never drive through
flooded areas. Follow the directions of emergency officials.

The next forecast update for these locations will be issued at about
3 am.

&&

CAC057-061-161022-
/O.CON.KREV.FL.W.0002.161216T0404Z-161217T0705Z/
/TRCC1.1.ER.161216T0404Z.161216T0600Z.161216T1305Z.NO/
822 PM PST WED DEC 14 2016

The Flood Warning continues for
  The Truckee River Near Truckee.
  
* FROM THURSDAY EVENING TO FRIDAY EVENING...or until
  the warning is  canceled.
* At 7:30 PM Wednesday the stage was 2.0 feet.
* Flood stage is 4.5 feet.
* Minor flooding is forecast.
* Forecast...Rise above flood stage by Thursday evening and reach a
  crest near 5.4 feet. The river will fall below flood stage by
  early Friday morning.
* Impact...At 5.5 feet...Moderate flooding from Bear Creek in the 
  Alpine Meadows area to Truckee...about 3500 cfs. Flooding of yards
  and basements of low-lying homes along river...some private bridges
  begin to be impacted. Campgrounds along river flooded. 

&&

LAT...LON 3918 12021 3932 12022 3939 12010 3938 12009 3919 12019


$$
974 
WGUS85 KREV 151111
FLSREV
FLOOD STATEMENT 
NATIONAL WEATHER SERVICE RENO, NV 
311 AM PST THU DEC 15 2016
   

...The flood warning continues for the following rivers in 
California...
 
  Truckee River Near Truckee affecting Nevada And Placer Counties
  
An atmospheric river will produce a period of intense precipitation
on saturated soils with snow levels near and above 8000 feet on
Thursday. Significant runoff through creeks and streams will likely
cause the Truckee River near Truckee to exceed flood stage by early
Thursday evening.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Be alert for heavy rain upstream of your location which could cause 
additional rapid rises on rivers and streams. Valuables should be
moved away from areas subject to flooding. Never drive through
flooded areas. Follow the directions of emergency officials.

The next forecast update for these locations will be issued at about
9 am.

&&

CAC057-061-160511-
/O.EXT.KREV.FL.W.0002.161216T0457Z-161217T0400Z/
/TRCC1.1.ER.161216T0457Z.161216T0600Z.161216T1000Z.NO/
311 AM PST THU DEC 15 2016

The Flood Warning continues for
  The Truckee River Near Truckee.
* FROM THIS EVENING TO FRIDAY EVENING.
* At 2:30 AM Thursday the stage was 1.9 feet.
* Flood stage is 4.5 feet.
* Minor flooding is forecast.
* Forecast...Rise above flood stage by Thursday evening and continue 
  to rise to near 4.9 feet by late Thursday evening. The river will 
  fall below flood stage by early Friday morning.
* Impact...At 5.0 feet...Minor flooding from Bear Creek in the Alpine 
  Meadows area to Truckee. Truckee River bike path between the River 
  Ranch at Alpine Meadows Road to Tahoe City flooded up to a foot 
  deep. Minor flooding of basements and yards of some low-lying 
  homes along the river. Deep Creek Campground has limited access 
  due to flooding. Minor flooding begins at Silver Creek Campground.
* Flood history...This crest compares to a previous crest of 4.8
  feet on December 11 2016.

&&

LAT...LON 3918 12021 3932 12022 3939 12010 3938 12009 3919 12019


$$
940 
WGUS85 KREV 151703
FLSREV
FLOOD STATEMENT 
NATIONAL WEATHER SERVICE RENO, NV 
903 AM PST THU DEC 15 2016
   

...The flood warning continues for the following rivers in 
California...
 
  Truckee River Near Truckee affecting Nevada AND Placer COUNTIES
 
An atmospheric river will produce a period of intense precipitation
on saturated soils with snow levels near and above 8000 feet today.
Significant runoff through creeks and streams will likely cause the
Truckee River near Truckee to exceed flood stage this evening. Water
levels will quickly decrease tonight.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Be alert for heavy rain upstream of your location which could cause 
additional rapid rises on rivers and streams. Valuables should be
moved away from areas subject to flooding. Never drive through
flooded areas. Follow the directions of emergency officials.

The next forecast update for these locations will be issued at about
3 pm.

&&

CAC057-061-161800-
/O.EXT.KREV.FL.W.0002.161216T0525Z-161216T1800Z/
/TRCC1.1.ER.161216T0525Z.161216T0600Z.161216T0824Z.NO/
903 AM PST THU DEC 15 2016

The Flood Warning continues for
  The Truckee River Near Truckee.
* FROM THIS EVENING TO FRIDAY MORNING.
* At  8:30 AM Thursday the stage was 1.9 feet.
* Flood stage is 4.5 feet.
* Minor flooding is forecast.
* Forecast...Rise above flood stage this evening and crest near 4.7
  feet. The river will fall below flood stage by very early Friday
  morning.
* Impact...At 4.5 feet...Flood Stage...minor flooding from Bear
  Creek in the Alpine Meadows area to Truckee. Truckee River bike
  path between the River Ranch at Alpine Meadows Road to Tahoe City
  begins to flood. Basements and yards of some low-lying homes along
  the river begin to flood. Deep Creek Campground begins to flood.
  About 2270 cfs.

&&

LAT...LON 3918 12021 3932 12022 3939 12010 3938 12009 3919 12019


$$
428 
WGUS85 KREV 160430
FLSREV
FLOOD STATEMENT 
NATIONAL WEATHER SERVICE RENO, NV 
830 PM PST THU DEC 15 2016
   

...The flood warning continues for the following rivers in 
California..

  Truckee River Near Truckee affecting Nevada AND Placer COUNTIES

Heavy rain is decreasing as snow levels lower to near 7000 feet in
the upper portion of the Truckee River basin. The river will rise to
near flood stage late this evening, then quickly drop during the
overnight and early morning hours.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Never drive through flooded areas. Follow the directions of emergency
officials.

The next forecast update for these locations will be issued at about
3 am.

&&

CAC057-061-161200-
/O.CON.KREV.FL.W.0002.000000T0000Z-161216T1200Z/
/TRCC1.1.ER.000000T0000Z.161216T0600Z.000000T0000Z.NO/
830 PM PST THU DEC 15 2016

The Flood Warning continues for
  The Truckee River Near Truckee.
* UNTIL EARLY FRIDAY MORNING.
* At  9:00 PM Thursday the stage was 3.9 feet.
* Flood stage is 4.5 feet.
* Minor flooding is forecast.
* Forecast...Crest near 4.5 feet late this evening, then fall below
  flood stage by very early Friday morning.
* Impact...At 4.5 feet...Flood Stage...minor flooding from Bear Creek 
  in the Alpine Meadows area to Truckee.  Truckee River bike path 
  between the River Ranch at Alpine Meadows Road to Tahoe City begins
  to flood.  Basements and yards of some low-lying homes along the 
  river begin to flood.  About 2270 cfs.

&&

LAT...LON 3918 12021 3932 12022 3939 12010 3938 12009 3919 12019


$$
103 
WGUS85 KREV 161154
FLSREV
FLOOD STATEMENT 
NATIONAL WEATHER SERVICE RENO, NV 
354 AM PST FRI DEC 16 2016
   

...The flood warning is cancelled for the following rivers in 
California...
 
  Truckee River Near Truckee affecting Nevada AND Placer COUNTIES

Heavy rain has ended across the region early this morning with only
light lingering showers. The Truckee River at Truckee has crested
and will continue to recede through the morning. 


&&

CAC057-061-161224-
/O.CAN.KREV.FL.W.0002.000000T0000Z-161216T1200Z/
/TRCC1.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.NO/
354 AM PST FRI DEC 16 2016

The Flood Warning is cancelled for
  The Truckee River Near Truckee.
* At  3:30 AM Friday the stage was 4.3 feet.
* Flood stage is 4.5 feet.
* Forecast...The river crested below flood stage at 4.4 feet. The 
  river will continue to fall to 2.6 feet by early Saturday morning.
* Impact...At 4.5 feet...Flood Stage...minor flooding from Bear Creek 
  in the Alpine Meadows area to Truckee.  Truckee River bike path 
  between the River Ranch at Alpine Meadows Road to Tahoe City begins
  to flood.  Basements and yards of some low-lying homes along the 
  river begin to flood.  

&&

LAT...LON 3918 12021 3932 12022 3939 12010 3938 12009 3919 12019


$$

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 14, 3:05 PM PSTWinter Storm WarningREVAlpine, El Dorado, Mono, Nevada, Placer43 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.