Alert archive / California / Winter Storm Watches in 2012

Winter Storm Watch 2, NWS Reno, NV

January 21, 2012Douglas County, Washoe County, Nevada; 5 counties in California

NWS Reno, NV issued this winter storm watch at Jan 21, 2012, 2:33 PM PST for Douglas County, Washoe County, Nevada; 5 counties in California. It took effect at Jan 22, 2012, 1:00 PM PST. It was in force for .

The area

The counties it named.

The facts

Issued
Jan 21, 2012, 2:33 PM PST (22:33 UTC)
In effect from
Jan 22, 2012, 1:00 PM PST
Expired
Jan 22, 2012, 5:28 AM PST
In force
Issued by
NWS Reno, NV

Counties Alpine County, CA, El Dorado County, CA, Mono County, CA, Nevada County, CA, Placer County, CA, Douglas County, NV, Washoe County, NV

The radar

The Reno radar (KRGX), 92 km from the middle of the area, began a volume at 22:33 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 nearest sounding before it

Reno, NV (KREV), launched 12:00Z, 10.6 hours before the alert went out and 166 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Reno, NV at 12:00Z on 2012-01-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Reno, NV at 12:00Z on 2012-01-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 81 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
604 m above ground
0-6 km bulk shear
98 kt
0-1 km storm-relative helicity
81 m²/s²
0-3 km storm-relative helicity
137 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

425 
WWUS45 KREV 212233
WSWREV

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE RENO NV
233 PM PST SAT JAN 21 2012

...LOW PRESSURE WILL BRING SNOW TO THE SIERRA LATE SUNDAY AND
MONDAY...

.A PACIFIC STORM IS MOVING TOWARDS THE SIERRA AND WESTERN NEVADA.
SNOW LEVELS WILL REMAIN BELOW 6000 FEET...WHICH RESULTS IN THE
POTENTIAL FOR SIGNIFICANT ACCUMULATIONS ACROSS THE TAHOE BASIN AND
IN MONO COUNTY.

CAZ072-073-NVZ002-221200-
/O.NEW.KREV.WS.A.0002.120122T2100Z-120124T0000Z/
GREATER LAKE TAHOE AREA-MONO-
INCLUDING THE CITIES OF...SOUTH LAKE TAHOE...TRUCKEE...
BRIDGEPORT...MAMMOTH LAKES...INCLINE VILLAGE
233 PM PST SAT JAN 21 2012

...WINTER STORM WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH
MONDAY AFTERNOON FOR GREATER LAKE TAHOE AND MONO COUNTY...

THE NATIONAL WEATHER SERVICE IN RENO HAS ISSUED A WINTER STORM
WATCH...WHICH IS IN EFFECT FROM SUNDAY AFTERNOON THROUGH MONDAY
AFTERNOON. 

* TIMING: SNOW WILL MOVE INTO THE SIERRA SUNDAY AFTERNOON INCREASE
  ACROSS THE SIERRA AND MONO COUNTY SUNDAY NIGHT INTO MONDAY
  MORNING.

* SNOW ACCUMULATIONS: 1 TO 2 FEET ABOVE 7000 FEET AND 6 TO 12
  INCHES BELOW 7000 FEET.

* WINDS: GUSTS UP TO 45 MPH IN THE LOWER ELEVATIONS WITH SIERRA
  RIDGE GUSTS UP TO 90 MPH SUNDAY NIGHT AND MONDAY.

* IMPACTS: DANGEROUS DRIVING CONDITIONS ARE POSSIBLE WITH VISIBILITY
  NEAR ZERO AT TIMES DUE TO HEAVY SNOW. CHAIN RESTRICTIONS AND
  LONG TRAVEL DELAYS COULD OCCUR OVER THE SIERRA PASSES INCLUDING
  INTERSTATE 80 AND HIGHWAYS 50...88...89 AND 395.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THERE IS A POTENTIAL FOR SIGNIFICANT SNOW ACCUMULATIONS THAT MAY
CREATE HAZARDOUS WINTER DRIVING CONDITIONS. CONTINUE TO MONITOR
THE LATEST FORECASTS AT WEATHER.GOV/RENO OR LISTEN TO NOAA
WEATHER RADIO.  

&&

$$

HTTP://WEATHER.GOV/RENO
2 follow-up statements
967 
WWUS45 KREV 221200
WSWREV

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE RENO NV
400 AM PST SUN JAN 22 2012

...ANOTHER STORM SYSTEM WILL BRING SNOW TO THE SIERRA AND WESTERN
NEVADA LATE SUNDAY AND MONDAY...

.A PACIFIC STORM WILL MOVE INTO THE SIERRA THIS EVENING AND
OVERNIGHT. SNOW WILL DEVELOP IN THE SIERRA EARLY THIS EVENING THEN
MOVE EAST INTO WESTERN NEVADA BY MONDAY MORNING. SIGNIFICANT
ACCUMULATIONS ARE LIKELY FROM WESTERN LASSEN COUNTY SOUTH INTO THE
TAHOE BASIN AND MONO COUNTY. LESSER AMOUNTS ARE LIKELY FROM THE
SURPRISE VALLEY SOUTH INTO WESTERN NEVADA BY LATE MONDAY
MORNING...BUT THE TIMING OF THE HEAVIEST SNOW WILL AFFECT THE
MONDAY MORNING COMMUTE ACROSS FAR WESTERN NEVADA.

CAZ072-NVZ002-230000-
/O.UPG.KREV.WS.A.0002.120122T2100Z-120124T0000Z/
/O.NEW.KREV.WS.W.0002.120123T0000Z-120124T0000Z/
GREATER LAKE TAHOE AREA-
INCLUDING THE CITIES OF...SOUTH LAKE TAHOE...TRUCKEE...
INCLINE VILLAGE
400 AM PST SUN JAN 22 2012

...WINTER STORM WARNING IN EFFECT FROM 4 PM THIS AFTERNOON TO
4 PM PST MONDAY...

THE NATIONAL WEATHER SERVICE IN RENO HAS ISSUED A WINTER STORM
WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM 4 PM THIS
AFTERNOON TO 4 PM PST MONDAY. THE WINTER STORM WATCH IS NO LONGER
IN EFFECT.

* TIMING: SNOW WILL MOVE INTO THE SIERRA BY LATE THIS AFTERNOON
  THEN INCREASE OVERNIGHT. THE HEAVIEST SNOW IS EXPECTED BETWEEN
  1 AM THROUGH 10 AM MONDAY.

* SNOW ACCUMULATIONS: 15 TO 30 INCHES ABOVE 7000 FEET...WITH 8 TO
  16 INCHES BELOW 7000 FEET.

* SNOW LEVELS: AT OR BELOW LAKE LEVEL.

* WINDS: GUSTS UP TO 45 MPH IN THE LOWER ELEVATIONS WITH SIERRA 
  RIDGE GUSTS UP TO 90 MPH SUNDAY NIGHT AND MONDAY.

* IMPACTS: DANGEROUS DRIVING CONDITIONS ARE LIKELY WITH VISIBILITY
  NEAR ZERO AT TIMES DUE TO HEAVY SNOW. CHAIN RESTRICTIONS AND
  LONG TRAVEL DELAYS COULD ARE LIKELY OVER THE SIERRA PASSES
  INCLUDING INTERSTATE 80 AND HIGHWAYS 50...88 AND 89.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

CONDITIONS CAN DETERIORATE RAPIDLY DURING WINTER STORMS...SLOW
DOWN AND ALLOW EXTRA TIME WHEN TRAVELING.  CARRY TIRE CHAINS...
FOOD...WATER...BLANKETS AND A FLASHLIGHT IN YOUR CAR IN CASE OF
AN EMERGENCY.  CHECK OUR WEBSITE AT WEATHER.GOV/RENO OR LISTEN TO
NOAA WEATHER RADIO FOR UPDATES ON THIS SITUATION.

&&

$$

CAZ073-230000-
/O.UPG.KREV.WS.A.0002.120122T2100Z-120124T0000Z/
/O.NEW.KREV.WS.W.0002.120123T0300Z-120124T0000Z/
MONO-
INCLUDING THE CITIES OF...BRIDGEPORT...MAMMOTH LAKES
400 AM PST SUN JAN 22 2012

...WINTER STORM WARNING IN EFFECT FROM 7 PM THIS EVENING TO 4 PM
PST MONDAY...

THE NATIONAL WEATHER SERVICE IN RENO HAS ISSUED A WINTER STORM
WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM 7 PM THIS
EVENING TO 4 PM PST MONDAY. THE WINTER STORM WATCH IS NO LONGER IN
EFFECT.

* TIMING: SNOW WILL MOVE INTO THE HIGH SIERRA THIS EVENING THEN
  INCREASE OVERNIGHT AND SPREAD ALONG THE HIGHWAY 395 CORRIDOR.
  THE HEAVIEST SNOW IS LIKELY FROM 4 AM MONDAY THROUGH 10 AM
  MONDAY.

* SNOW ACCUMULATIONS: 1 TO 2 FEET ABOVE 7000 FEET AND 6 TO 12 INCHES
  BELOW 7000 FEET.

* SNOW LEVELS: FALLING TO THE VALLEY FLOORS BY LATE THIS EVENING.

* WINDS: GUSTS UP TO 45 MPH IN THE LOWER ELEVATIONS WITH SIERRA 
  RIDGE GUSTS UP TO 90 MPH SUNDAY NIGHT AND MONDAY.

* IMPACTS: DANGEROUS DRIVING CONDITIONS ARE LIKELY WITH VISIBILITY
  NEAR ZERO AT TIMES DUE TO HEAVY SNOW. CHAIN RESTRICTIONS AND
  LONG TRAVEL DELAYS ARE LIKELY ALONG HIGHWAY 395.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

CONDITIONS CAN DETERIORATE RAPIDLY DURING WINTER STORMS...SLOW
DOWN AND ALLOW EXTRA TIME WHEN TRAVELING.  CARRY TIRE CHAINS...
FOOD...WATER...BLANKETS AND A FLASHLIGHT IN YOUR CAR IN CASE OF
AN EMERGENCY.  CHECK OUR WEBSITE AT WEATHER.GOV/RENO OR LISTEN TO
NOAA WEATHER RADIO FOR UPDATES ON THIS SITUATION.

&&

$$

CAZ071-230000-
/O.NEW.KREV.WS.W.0002.120122T2100Z-120124T0000Z/
LASSEN-EASTERN PLUMAS-EASTERN SIERRA COUNTIES-
INCLUDING THE CITIES OF...PORTOLA...SUSANVILLE
400 AM PST SUN JAN 22 2012

...WINTER STORM WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO
4 PM PST MONDAY...

THE NATIONAL WEATHER SERVICE IN RENO HAS ISSUED A WINTER STORM
WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM 1 PM THIS
AFTERNOON TO 4 PM PST MONDAY.

* TIMING: SNOW WILL MOVE INTO THE FAR WESTERN PORTIONS OF LASSEN
  COUNTY AND CENTRAL PLUMAS AND SIERRA COUNTIES LATE AFTERNOON
  THEN INCREASE IN INTENSITY AND SPREAD EAST OVERNIGHT. THE
  HEAVIEST SNOW IS LIKELY FROM 10 PM TONIGHT THROUGH 7 AM MONDAY

* SNOW ACCUMULATIONS: 8 TO 16 INCHES WEST OF HIGHWAY 395...3 TO 6
  INCHES EAST OF HIGHWAY 395.

* WINDS: SOUTHWEST 15 TO 25 MPH WITH GUSTS TO 45 MPH.

* SNOW LEVELS: AROUND 4500 FEET THIS EVENING THEN FALLING TO THE
  LOWEST VALLEYS FLOORS AFTER MIDNIGHT.

* IMPACTS: DANGEROUS DRIVING CONDITIONS ARE LIKELY WITH VISIBILITY
  NEAR ZERO AT TIMES DUE TO HEAVY SNOW. CHAIN RESTRICTIONS AND
  LONG TRAVEL DELAYS ARE LIKELY ALONG HIGHWAYS 89...36...44
  AND...70 AND 395.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

CONDITIONS CAN DETERIORATE RAPIDLY DURING WINTER STORMS...SLOW
DOWN AND ALLOW EXTRA TIME WHEN TRAVELING.  CARRY TIRE CHAINS...
FOOD...WATER...BLANKETS AND A FLASHLIGHT IN YOUR CAR IN CASE OF
AN EMERGENCY.  CHECK OUR WEBSITE AT WEATHER.GOV/RENO OR LISTEN TO
NOAA WEATHER RADIO FOR UPDATES ON THIS SITUATION.

&&

$$

CAZ070-NVZ005-230000-
/O.NEW.KREV.WW.Y.0004.120123T0000Z-120124T0000Z/
SURPRISE VALLEY CALIFORNIA-NORTHERN WASHOE COUNTY-
INCLUDING THE CITIES OF...CEDARVILLE...FORT BIDWELL...EMPIRE...
GERLACH
400 AM PST SUN JAN 22 2012

...WINTER WEATHER ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO
4 PM PST MONDAY...

THE NATIONAL WEATHER SERVICE IN RENO HAS ISSUED A WINTER WEATHER
ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM 4 PM THIS AFTERNOON
TO 4 PM PST MONDAY.

* TIMING: LIGHT TO MODERATE SNOW WILL MOVE INTO FAR NORTHEAST
  CALIFORNIA AND NORTHWEST NEVADA LATE THIS AFTERNOON AND INTENSIFY
  OVERNIGHT. A PERIOD OF MODERATE TO HEAVY SNOW IS LIKELY FROM
  MIDNIGHT TO 4 AM MONDAY.

* SNOW ACCUMULATIONS: 2 TO 5 INCHES.

* SNOW LEVELS: 4500 FEET THIS EVENING FALLING TO THE VALLEY FLOORS
  AFTER MIDNIGHT.  

* IMPACTS: HAZARDOUS TRAVEL CONDITIONS ARE LIKELY WITH SLICK AND
  ICY ROADS AND NEAR ZERO VISIBILITY AT TIMES. CHAIN RESTRICTIONS
  ARE LIKELY THROUGH THE SURPRISE VALLEY IN NORTHEAST CALIFORNIA
  AND ALONG HIGHWAY 447 IN NEVADA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SNOW IS EXPECTED TO POSE AN INCONVENIENCE TO TRAVELERS. ROADS
WILL BECOME SLICK AND HAZARDOUS...WITH SNOW AND ICE FIRST
DEVELOPING ON BRIDGES AND OVERPASSES. MOTORISTS SHOULD SLOW DOWN
AND USE CAUTION.  CHECK OUR WEBSITE AT WEATHER.GOV/RENO OR LISTEN
TO NOAA WEATHER RADIO FOR UPDATES ON THIS SITUATION.

&&

$$

NVZ003-230000-
/O.NEW.KREV.WW.Y.0004.120123T0600Z-120124T0000Z/
GREATER RENO-CARSON CITY-MINDEN AREA-
INCLUDING THE CITY OF...VIRGINIA CITY
400 AM PST SUN JAN 22 2012

...WINTER WEATHER ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO
4 PM PST MONDAY ABOVE 5000 FEET...

THE NATIONAL WEATHER SERVICE IN RENO HAS ISSUED A WINTER WEATHER
ADVISORY ABOVE 5000 FEET FOR SNOW...WHICH IS IN EFFECT FROM 10 PM
THIS EVENING TO 4 PM PST MONDAY.

* TIMING: SNOW WILL MOVE INTO WESTERN NEVADA LATE THIS EVENING AND
  INCREASE OVERNIGHT. THE HEAVIEST SNOW IS LIKELY FROM 4 AM MONDAY
  THROUGH 10 AM MONDAY.

* SNOW ACCUMULATIONS: 3 TO 6 INCHES ABOVE 5000 FEET...UP TO AN
  INCH OR TWO OF HEAVY WET SNOW ON THE VALLEY FLOORS.

* SNOW LEVELS: AROUND 5000 FEET LATE THIS EVENING...FALLING TO THE
  VALLEY FLOOR AROUND 4 AM MONDAY.

* IMPACTS: HAZARDOUS TRAVEL CONDITIONS ARE LIKELY WITH SLICK AND
  ICY ROADS AND NEAR ZERO VISIBILITY AT TIMES AFFECTING THE MON
  DAY MORNING COMMUTE. CHAIN RESTRICTIONS ARE LIKELY OVER GEIGER GRADE
  AND ALONG INTERSTATE 80 AND HIGHWAY 395...AND OTHER
  ROADWAYS...ESPECIALLY IN THE FOOTHILLS ABOVE RENO AND CARSON
  CITY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SNOW IS EXPECTED TO POSE AN INCONVENIENCE TO TRAVELERS. ROADS
WILL BECOME SLICK AND HAZARDOUS...WITH SNOW AND ICE FIRST
DEVELOPING ON BRIDGES AND OVERPASSES. MOTORISTS SHOULD SLOW DOWN
AND USE CAUTION.  CHECK OUR WEBSITE AT WEATHER.GOV/RENO OR LISTEN
TO NOAA WEATHER RADIO FOR UPDATES ON THIS SITUATION.

&&

$$

HTTP://WEATHER.GOV/RENO
919 
WWUS45 KREV 221331 CCA
WSWREV

URGENT - WINTER WEATHER MESSAGE...CORRECTED
NATIONAL WEATHER SERVICE RENO NV
528 AM PST SUN JAN 22 2012

...ANOTHER STORM SYSTEM WILL BRING SNOW TO THE SIERRA AND WESTERN
NEVADA LATE SUNDAY AND MONDAY...

.A PACIFIC STORM WILL MOVE INTO THE SIERRA THIS EVENING AND
OVERNIGHT. SNOW WILL DEVELOP IN THE SIERRA EARLY THIS EVENING THEN
MOVE EAST INTO WESTERN NEVADA BY MONDAY MORNING. SIGNIFICANT
ACCUMULATIONS ARE LIKELY FROM WESTERN LASSEN COUNTY SOUTH INTO THE
TAHOE BASIN AND MONO COUNTY. LESSER AMOUNTS ARE LIKELY FROM THE
SURPRISE VALLEY SOUTH INTO WESTERN NEVADA BY LATE MONDAY
MORNING...BUT THE TIMING OF THE HEAVIEST SNOW WILL AFFECT THE
MONDAY MORNING COMMUTE ACROSS FAR WESTERN NEVADA.

CAZ072-NVZ002-230130-
/O.UPG.KREV.WS.A.0002.120122T2100Z-120124T0000Z/
/O.COR.KREV.WS.W.0002.120123T0000Z-120124T0000Z/
GREATER LAKE TAHOE AREA-
INCLUDING THE CITIES OF...SOUTH LAKE TAHOE...TRUCKEE...
INCLINE VILLAGE
528 AM PST SUN JAN 22 2012

...WINTER STORM WARNING IN EFFECT FROM 4 PM THIS AFTERNOON TO
4 PM PST MONDAY...

THE NATIONAL WEATHER SERVICE IN RENO HAS ISSUED A WINTER STORM
WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM 4 PM THIS
AFTERNOON TO 4 PM PST MONDAY. THE WINTER STORM WATCH IS NO LONGER
IN EFFECT.

* TIMING: SNOW WILL MOVE INTO THE SIERRA BY LATE THIS AFTERNOON
  THEN INCREASE OVERNIGHT. THE HEAVIEST SNOW IS EXPECTED BETWEEN
  1 AM THROUGH 10 AM MONDAY.

* SNOW ACCUMULATIONS: 15 TO 30 INCHES ABOVE 7000 FEET...WITH 8 TO
  16 INCHES BELOW 7000 FEET.

* SNOW LEVELS: AT OR BELOW LAKE LEVEL.

* WINDS: GUSTS UP TO 45 MPH IN THE LOWER ELEVATIONS WITH SIERRA
  RIDGE GUSTS UP TO 90 MPH TONIGHT AND MONDAY.

* IMPACTS: DANGEROUS DRIVING CONDITIONS ARE LIKELY WITH VISIBILITY
  NEAR ZERO AT TIMES DUE TO HEAVY SNOW. CHAIN RESTRICTIONS AND
  LONG TRAVEL DELAYS COULD ARE LIKELY OVER THE SIERRA PASSES
  INCLUDING INTERSTATE 80 AND HIGHWAYS 50...88 AND 89.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

CONDITIONS CAN DETERIORATE RAPIDLY DURING WINTER STORMS...SLOW
DOWN AND ALLOW EXTRA TIME WHEN TRAVELING.  CARRY TIRE CHAINS...
FOOD...WATER...BLANKETS AND A FLASHLIGHT IN YOUR CAR IN CASE OF
AN EMERGENCY.  CHECK OUR WEBSITE AT WEATHER.GOV/RENO OR LISTEN TO
NOAA WEATHER RADIO FOR UPDATES ON THIS SITUATION.

&&

$$

CAZ073-230130-
/O.UPG.KREV.WS.A.0002.120122T2100Z-120124T0000Z/
/O.COR.KREV.WS.W.0002.120123T0300Z-120124T0000Z/
MONO-
INCLUDING THE CITIES OF...BRIDGEPORT...MAMMOTH LAKES
528 AM PST SUN JAN 22 2012

...WINTER STORM WARNING IN EFFECT FROM 7 PM THIS EVENING TO 4 PM
PST MONDAY...

THE NATIONAL WEATHER SERVICE IN RENO HAS ISSUED A WINTER STORM
WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM 7 PM THIS
EVENING TO 4 PM PST MONDAY. THE WINTER STORM WATCH IS NO LONGER IN
EFFECT.

* TIMING: SNOW WILL MOVE INTO THE HIGH SIERRA THIS EVENING THEN
  INCREASE OVERNIGHT AND SPREAD ALONG THE HIGHWAY 395 CORRIDOR.
  THE HEAVIEST SNOW IS LIKELY FROM 4 AM MONDAY THROUGH 10 AM
  MONDAY.

* SNOW ACCUMULATIONS: 1 TO 2 FEET ABOVE 7000 FEET AND 6 TO 12 INCHES
  BELOW 7000 FEET.

* SNOW LEVELS: FALLING TO THE VALLEY FLOORS BY LATE THIS EVENING.

* WINDS: GUSTS UP TO 45 MPH IN THE LOWER ELEVATIONS WITH SIERRA
  RIDGE GUSTS UP TO 90 MPH TONIGHT AND MONDAY.

* IMPACTS: DANGEROUS DRIVING CONDITIONS ARE LIKELY WITH VISIBILITY
  NEAR ZERO AT TIMES DUE TO HEAVY SNOW. CHAIN RESTRICTIONS AND
  LONG TRAVEL DELAYS ARE LIKELY ALONG HIGHWAY 395.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

CONDITIONS CAN DETERIORATE RAPIDLY DURING WINTER STORMS...SLOW
DOWN AND ALLOW EXTRA TIME WHEN TRAVELING.  CARRY TIRE CHAINS...
FOOD...WATER...BLANKETS AND A FLASHLIGHT IN YOUR CAR IN CASE OF
AN EMERGENCY.  CHECK OUR WEBSITE AT WEATHER.GOV/RENO OR LISTEN TO
NOAA WEATHER RADIO FOR UPDATES ON THIS SITUATION.

&&

$$

CAZ071-230130-
/O.NEW.KREV.WS.W.0002.120122T2100Z-120124T0000Z/
LASSEN-EASTERN PLUMAS-EASTERN SIERRA COUNTIES-
INCLUDING THE CITIES OF...PORTOLA...SUSANVILLE
528 AM PST SUN JAN 22 2012

...WINTER STORM WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO
4 PM PST MONDAY...

THE NATIONAL WEATHER SERVICE IN RENO HAS ISSUED A WINTER STORM
WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM 1 PM THIS
AFTERNOON TO 4 PM PST MONDAY.

* TIMING: SNOW WILL MOVE INTO THE FAR WESTERN PORTIONS OF LASSEN
  COUNTY AND CENTRAL PLUMAS AND SIERRA COUNTIES LATE AFTERNOON
  THEN INCREASE IN INTENSITY AND SPREAD EAST OVERNIGHT. THE
  HEAVIEST SNOW IS LIKELY FROM 10 PM TONIGHT THROUGH 7 AM MONDAY

* SNOW ACCUMULATIONS: 8 TO 16 INCHES WEST OF HIGHWAY 395...3 TO 6
  INCHES EAST OF HIGHWAY 395.

* WINDS: SOUTHWEST 15 TO 25 MPH WITH GUSTS TO 45 MPH.

* SNOW LEVELS: AROUND 4500 FEET THIS EVENING THEN FALLING TO THE
  LOWEST VALLEYS FLOORS AFTER MIDNIGHT.

* IMPACTS: DANGEROUS DRIVING CONDITIONS ARE LIKELY WITH VISIBILITY
  NEAR ZERO AT TIMES DUE TO HEAVY SNOW. CHAIN RESTRICTIONS AND
  LONG TRAVEL DELAYS ARE LIKELY ALONG HIGHWAYS 89...36...44
  AND...70 AND 395.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

CONDITIONS CAN DETERIORATE RAPIDLY DURING WINTER STORMS...SLOW
DOWN AND ALLOW EXTRA TIME WHEN TRAVELING.  CARRY TIRE CHAINS...
FOOD...WATER...BLANKETS AND A FLASHLIGHT IN YOUR CAR IN CASE OF
AN EMERGENCY.  CHECK OUR WEBSITE AT WEATHER.GOV/RENO OR LISTEN TO
NOAA WEATHER RADIO FOR UPDATES ON THIS SITUATION.

&&

$$

CAZ070-NVZ005-230130-
/O.NEW.KREV.WW.Y.0004.120123T0000Z-120124T0000Z/
SURPRISE VALLEY CALIFORNIA-NORTHERN WASHOE COUNTY-
INCLUDING THE CITIES OF...CEDARVILLE...FORT BIDWELL...EMPIRE...
GERLACH
528 AM PST SUN JAN 22 2012

...WINTER WEATHER ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO
4 PM PST MONDAY...

THE NATIONAL WEATHER SERVICE IN RENO HAS ISSUED A WINTER WEATHER
ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM 4 PM THIS AFTERNOON
TO 4 PM PST MONDAY.

* TIMING: LIGHT TO MODERATE SNOW WILL MOVE INTO FAR NORTHEAST
  CALIFORNIA AND NORTHWEST NEVADA LATE THIS AFTERNOON AND INTENSIFY
  OVERNIGHT. A PERIOD OF MODERATE TO HEAVY SNOW IS LIKELY FROM
  MIDNIGHT TO 4 AM MONDAY.

* SNOW ACCUMULATIONS: 2 TO 5 INCHES.

* SNOW LEVELS: 4500 FEET THIS EVENING FALLING TO THE VALLEY FLOORS
  AFTER MIDNIGHT.  

* IMPACTS: HAZARDOUS TRAVEL CONDITIONS ARE LIKELY WITH SLICK AND
  ICY ROADS AND NEAR ZERO VISIBILITY AT TIMES. CHAIN RESTRICTIONS
  ARE LIKELY THROUGH THE SURPRISE VALLEY IN NORTHEAST CALIFORNIA
  AND ALONG HIGHWAY 447 IN NEVADA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SNOW IS EXPECTED TO POSE AN INCONVENIENCE TO TRAVELERS. ROADS
WILL BECOME SLICK AND HAZARDOUS...WITH SNOW AND ICE FIRST
DEVELOPING ON BRIDGES AND OVERPASSES. MOTORISTS SHOULD SLOW DOWN
AND USE CAUTION.  CHECK OUR WEBSITE AT WEATHER.GOV/RENO OR LISTEN
TO NOAA WEATHER RADIO FOR UPDATES ON THIS SITUATION.

&&

$$

NVZ003-230130-
/O.COR.KREV.WW.Y.0004.120123T0600Z-120124T0000Z/
GREATER RENO-CARSON CITY-MINDEN AREA-
INCLUDING THE CITY OF...VIRGINIA CITY
528 AM PST SUN JAN 22 2012

...WINTER WEATHER ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO
4 PM PST MONDAY ABOVE 5000 FEET...

THE NATIONAL WEATHER SERVICE IN RENO HAS ISSUED A WINTER WEATHER
ADVISORY ABOVE 5000 FEET FOR SNOW...WHICH IS IN EFFECT FROM 10 PM
THIS EVENING TO 4 PM PST MONDAY.

* TIMING: SNOW WILL MOVE INTO WESTERN NEVADA LATE THIS EVENING AND
  INCREASE OVERNIGHT. THE HEAVIEST SNOW IS LIKELY FROM 4 AM MONDAY
  THROUGH 10 AM MONDAY.

* SNOW ACCUMULATIONS: 3 TO 6 INCHES ABOVE 5000 FEET...UP TO AN
  INCH OR TWO OF HEAVY WET SNOW ON THE VALLEY FLOORS.

* SNOW LEVELS: AROUND 5000 FEET LATE THIS EVENING...FALLING TO THE
  VALLEY FLOOR AROUND 4 AM MONDAY.

* IMPACTS: HAZARDOUS TRAVEL CONDITIONS ARE LIKELY WITH SLICK AND
  ICY ROADS AND NEAR ZERO VISIBILITY AT TIMES AFFECTING THE MONDAY
  MORNING COMMUTE. CHAIN RESTRICTIONS ARE LIKELY OVER GEIGER GRADE
  AND ALONG INTERSTATE 80 AND HIGHWAY 395...AND OTHER ROADWAYS...
  ESPECIALLY IN THE FOOTHILLS ABOVE RENO AND CARSON CITY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SNOW IS EXPECTED TO POSE AN INCONVENIENCE TO TRAVELERS. ROADS
WILL BECOME SLICK AND HAZARDOUS...WITH SNOW AND ICE FIRST
DEVELOPING ON BRIDGES AND OVERPASSES. MOTORISTS SHOULD SLOW DOWN
AND USE CAUTION.  CHECK OUR WEBSITE AT WEATHER.GOV/RENO OR LISTEN
TO NOAA WEATHER RADIO FOR UPDATES ON THIS SITUATION.

&&

$$

HTTP://WEATHER.GOV/RENO

What forecasters said that day

The local office's own words before this winter storm 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 winter storm watch went out at Jan 21, 10:16 AM PST, 4 hours 17 minutes earlier.

Area forecast discussion, Jan 21, 10:16 AM PST, 4 hours 17 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE RENO NV
1016 AM PST SAT JAN 21 2012

.UPDATE...
HEAVY RAIN AND SNOW IS SOUTH AND EAST OF THE SIERRA AND WESTERN
NEVADA AS A COLD LOW MOVES INTO THE REGION. THE STORM PRODUCED A
MONTH'S WORTH OF LIQUID PRECIPITATION (BASED ON WESTERN NEVADA AND
SIERRA CLIMATE AVERAGES) IN ROUGHLY 18 HOURS. WILL ISSUE AN
STATEMENT LATER THIS MORNING WITH THE IMPRESSIVE RAIN AND SNOW
TOTALS. NO FLOOD ISSUES OVERNIGHT EVEN WITH THE VERY HEAVY RAIN
DUE TO THE DRY SOIL.

INSTABILITY SHOWERS TO CONTINUE THROUGH TODAY WITH COLD POOL
OVER NORTHWEST NEVADA AND UPSLOPE FLOW INTO THE SIERRA. HIGHEST
ACCUMULATIONS WILL BE NEAR THE SIERRA CREST WHERE AN ADDITIONAL 4
INCHES ARE POSSIBLE...PERHAPS A BIT HIGHER IN LOCATIONS WHERE
SHOWERS LINGER FOR MORE THAN A FEW HOURS.

A STRONG WEST TO EAST SURFACE GRADIENT WILL PRODUCE A STEADY WEST
WIND OF 20-30 MPH ALONG AND SOUTH OF I-80 WITH PEAK GUSTS NEAR 50
MPH. ADDED HIGHWAY 395 FROM RENO-MAMMOTH TO THE WIND ADVISORY AND
RAISED A LAKE WIND FOR TAHOE THROUGH 7 PM. THE WINTER STORM
WARNINGS HAVE EXPIRED. BRONG

&&

.PREVIOUS DISCUSSION... /ISSUED 344 AM PST SAT JAN 21 2012/

SHORT TERM...

IMPRESSIVELY WET WINTER STORM CONTINUES TO POUND THE SIERRA AND
WESTERN NV THIS MORNING. SNOW LEVELS ARE FINALLY BEGINNING TO COME
DOWN IN THE SIERRA, WITH SLIDE MOUNTAIN DOWN TO 26 DEGREES AND SNOW
LEVELS AROUND 6500 FEET. THE WELL-ADVERTISED DEEP MOISTURE PLUME
HASN'T FAILED TO IMPRESS. RAINFALL HAS BEEN HEAVY, ESPECIALLY OVER
THE LAST 12 HOURS, WITH RATES OF UP TO 0.4" PER HOUR AT TIMES IN THE
SIERRA. THERE HAS BEEN SO MUCH RAINFALL THAT LAKE TAHOE HAS RISEN BY
MORE THAN 2 INCHES IN THE LAST 24 HOURS. WE HAVEN'T HAD ANY ISSUES
WITH RIVERS OR STREAMS, BUT ALL HAVE SEEN RISES OVER THE LAST 24
HOURS. WITH THE HEAVIEST RAINFALL TAPERING OFF AROUND THE RENO AREA,
WILL DROP THE FLASH FLOOD WATCH WITH THE MORNING FORECAST PACKAGE.

RAINFALL AMOUNTS AROUND THE TAHOE BASIN HAVE BEEN ANYWHERE FROM 1.5"
ON THE NEVADA SIDE AND AROUND 3.5" ON THE CALIFORNIA SIDE. AS FOR
RAINFALL IN WESTERN NEVADA, RENO AND CARSON CITY HAVE GOTTEN ABOUT
0.6" SO FAR, WITH ABOUT 1.5" OF RAINFALL IN THE FOOTHILLS WEST OF
HIGHWAY 395. HAVEN'T GOTTEN MANY REPORTS OF SNOW AMOUNTS YET, SINCE
SNOW LEVELS HAVE SPENT MOVE OF THE NIGHT ABOVE 8500 FEET. WOULDN'T
BE SURPRISED THAT SOME OF THE HIGHEST ELEVATIONS AROUND LAKE TAHOE
ABOVE 8500 FEET GOT 2-4 FEET OF HEAVY WET SNOW.

AS THE COLDER AIR MOVES IN THIS MORNING, SNOW LEVELS WILL COME DOWN
TO NEAR VALLEY FLOORS BY MIDDAY. WE DO EXPECT TO SEE ACCUMULATING
SNOW THROUGH THE MORNING IN THE SIERRA, ALTHOUGH THE PRECIPITATION
RATES WON'T BE AS MUCH AS WHAT WE SAW LAST NIGHT. I DID BUMP UP SNOW
LEVELS THROUGH THE REST OF THE MORNING, WITH SNOW LIKELY NOT
ACCUMULATING DOWN TO LAKE LEVEL UNTIL AFTER 7 AM. LATEST NAM STILL
SHOWS A BURST OF PRECIP IN THE SIERRA BETWEEN 7 AM AND 10 AM, WHEN
SNOW LEVELS SHOULD FINALLY BE DOWN TO LAKE LEVEL. WE COULD SEE AN
ADDITIONAL 4-8 INCHES ABOVE 7000FT THROUGH, WITH 2-4 INCHES TO LAKE
TAHOE LEVEL. IF THIS DOESN'T MATERIALIZE, THEN WE WON'T SEE MUCH AT
ALL FOR ACCUMULATIONS AT THE LAKE. AS FOR MONO COUNTY, THEY'VE SEEN
ABOUT 10 INCHES SO FAR ALONG THE CREST, BUT WILL SEE EVEN MORE AT
THE MAIN PRECIP BAND SAGS SOUTH OVER THE NEXT COUPLE HOURS.

WITH HIGHER SNOW LEVELS EXPECTED, THIS MEANS THAT THE RENO-CARSON
CITY AREAS WON'T BE SEEING MUCH SNOW AT THE VALLEY FLOORS. STILL
EXPECTING AN INCH OR TWO FOR THE FOOTHILLS ABOVE 5500 FEET,
INCLUDING VIRGINIA CITY, BUT SNOW LEVELS WILL HAVE A HARD TIME
LOWERING TO VALLEY FLOORS UNTIL THIS AFTERNOON, WHEN MOST OF THE
PRECIP WILL BE DONE.

WINDS ARE EXPECTED TO PICK UP AGAIN THIS AFTERNOON, WITH GUSTS UP TO
55 MPH IN WESTERN NEVADA. WIND ADVISORY HAS BEEN POSTED FOR THE
WESTERN NEVADA BASIN AND RANGE AS WELL AS MINERAL AND SOUTHERN LYON
COUNTIES, WHERE THE GRADIENTS WILL BE THE STRONGEST. PRECIPITATION
WILL REALLY DROP OFF THIS EVENING AND OVERNIGHT AS SHORTWAVE RIDGING
BUILDS IN TEMPORARILY. LOWERED POPS AND QPF FOR THE TONIGHT PERIOD,
MAY NEED TO BE REMOVED ALL TOGETHER. HOON

LONG TERM...SUNDAY THROUGH FRIDAY...

FOR THE NEXT SYSTEM SUNDAY INTO MONDAY THE ECMWF HAS COME A BIT MORE
IN LINE WITH THE GFS AND GEM...MAINLY BECAUSE THEY HAVE SLOWED JUST
A BIT. ECMWF REMAINS THE DRIER OF THESE THREE WHILE THE NAM IS
SHOWING ITS TYPICAL DRY BIAS EAST OF THE SIERRA. SNOW LEVELS AND
TIMING OF THE PCPN WILL BE THE PRIMARY PROBLEMS WITH THIS SYSTEM AS
MODELS CONTINUE TO TRY TO BUMP UP MID LVL TEMPS AHEAD OF THE PRIMARY
SYSTEM. THIS WARMING MAY BE SLIGHTLY OFF SET BY INCREASED PCPN
INTENSITY LATER IN THE DAY. THIS WILL DEFINITELY BE A COLDER SYSTEM
OVERALL THAN THE CURRENT SYSTEM MOVING THROUGH BUT IT IS ALSO DRIER.
THIS WILL REDUCE SNOW AMOUNTS...BUT WHERE SNOW DOES FALL RATIOS WILL
BE HIGHER THAN THE CURRENT SYSTEM. AS GEFS ENSEMBLE MEMBERS LARGELY
FAVOR THE TIMING OF THE GFS/GEM SOLUTIONS HAVE NOT MADE SIGNIFICANT
CHANGES TO THE PREVIOUS FORECAST OTHER THAN TO DELAY THE HIGHEST
POPS JUST A BIT UNTIL LATER SUNDAY. ALSO TRIED TO SHOW A RISE IN
SNOW LEVELS A BIT MORE OVER CURRENT FORECAST FOR SUNDAY/SUNDAY
EVENING...THEN BRING THE SNOW LEVELS BACK DOWN SUNDAY NIGHT INTO
MONDAY.

IT IS LIKELY THAT ADVISORIES WILL BE NEEDED FOR THE WESTERN PORTIONS
OF LASSEN AND SIERRA COUNTIES ALONG WITH THE TAHOE AREA AND INTO
MONO COUNTY FOR LATE SUNDAY INTO EARLY MONDAY. LOW END WARNING IS
NOT OUT OF THE QUESTION FOR THE HIGHER ELEVATIONS OF THE TAHOE
BASIN.

WINDS AHEAD OF THIS SYSTEM WILL LIKELY BECOME GUSTY EARLY SUNDAY...
BUT SHOULD REMAIN SUB ADVISORY EAST OF THE SIERRA. LAKE WIND
ADVISORIES MAY BE NEEDED EARLY SUNDAY. THEN WITH ONSET OF PCPN WINDS
WILL DECREASE A BIT THROUGH THE AFTERNOON AND EVENING. BEST SPILL
OVER CHANCES FOR WESTERN NEVADA WILL BE SUNDAY EVENING AND OVERNIGHT.

MODELS IN GOOD AGREEMENT THAT UPPER TROF WILL MOVE ACROSS THE REGION
BY LATE MONDAY AND BRING AN END TO SHOWERS. ANOTHER WEAK AREA OF LOW
PRESSURE TRIES TO MOVE OVER THE FAR NRN SECTIONS OF THE CWA BY LATE
TUESDAY BUT IS BEING HELD OFF BY A FLAT RIDGE. WILL INCLUDE SOME
VERY LOW POPS OVER THE FAR NRN CWA TO ACCOUNT FOR THIS BIT OF WARM
AIR ADVECTION PCPN. MLF

ON WEDNESDAY THE FLAT RIDGE OFF OF THE SOUTHERN CALIFORNIA COAST
PUSHES THE MAIN JET NORTH OF THE OREGON BORDER. A PLUME OF UPPER
LEVEL MOISTURE AND WEEK JET DYNAMICS KEEP THE CHANCE OF A FEW LIGHT
SHOWERS IN THE FAR NORTHERN ZONES. BUMPED UP POPS FOR WEDNESDAY
NIGHT AND THURSDAY MORNING AS MODELS ARE SLOWING THE PROGRESSION OF
THE JET. ZTT/MLF

AVIATION...

BAND OF RAIN/SNOW CONTINUES MOVING THROUGH THE FORECAST AREA EARLY
THIS MORNING AND WILL PERSIST THROUGH LATE MORNING. ANOTHER BAND OF
PCPN IS MOVING ON SHORE AND WILL AFFECT MAINLY THE SIERRA THIS
AFTERNOON AND EARLY THIS EVENING. SNOW LEVELS ARE FALLING NOW AND
KTR/KTVL/KMMH SHOULD BE ALL SNOW AFTER 6 AM. MVFR TO IFR CONDITIONS
SHOULD PERSIST AT THESE TERMINALS UNTIL THE MAIN UPPER TROF PASSES
TONIGHT AND SNOW SHOWERS END. AT KRNO SOME LIGHT RAIN WITH LOWER
CIGS BELOW 2000 FEET ARE LIKELY EARLY THIS MORNING WITH A MIX OF
RAIN AND SNOW AFTER 7 AM. CIGS TO DROP TO AROUND 1000-2000 FT IN THE
HEAVIEST PCPN THIS MORNING. WINDS INCREASE AT THE TERMINALS TODAY IN
COLD AIR BEHIND THE MAIN BAND OF PCPN AS WELL.

GUSTY WINDS CONTINUE OVER THE RIDGES TO AS HIGH AS 90 MPH THIS
MORNING WITH A DECREASE IN THE AFTERNOON. LOW CLOUDS AND VSBYS WILL
OBSCURE MTNS THROUGH THE DAY. MLF

&&

.REV WATCHES/WARNINGS/ADVISORIES...
NV...WIND ADVISORY UNTIL 7 PM PST THIS EVENING NVZ003.

     LAKE WIND ADVISORY UNTIL 7 PM PST THIS EVENING FOR LAKE TAHOE IN
     NVZ002.

CA...WIND ADVISORY UNTIL 7 PM PST THIS EVENING CAZ073.

     LAKE WIND ADVISORY UNTIL 7 PM PST THIS EVENING FOR LAKE TAHOE IN
     CAZ072.

&&

HTTP://WEATHER.GOV/RENO
Hazardous weather outlook, Jan 21, 2:29 PM PST, 4 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE RENO NV
229 PM PST SAT JAN 21 2012

CAZ070-071-NVZ001-003>005-221030-
SURPRISE VALLEY CALIFORNIA-LASSEN-EASTERN PLUMAS-
EASTERN SIERRA COUNTIES-MINERAL AND SOUTHERN LYON COUNTIES-
GREATER RENO-CARSON CITY-MINDEN AREA-
WESTERN NEVADA BASIN AND RANGE INCLUDING PYRAMID LAKE-
NORTHERN WASHOE COUNTY-
229 PM PST SAT JAN 21 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE EASTERN SIERRA...
NORTHEAST CALIFORNIA AND WESTERN NEVADA.

.DAY ONE...THIS AFTERNOON AND TONIGHT

HAZARDOUS WEATHER IS NOT EXPECTED THIS AFTERNOON AND TONIGHT.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

A PACIFIC STORM APPROACHES THE REGION ON SUNDAY AFTERNOON AND
MONDAY BRINGING GUSTY WINDS SUNDAY. RAIN AND SNOW IS LIKELY
ACROSS THE SIERRA AND WESTERN NEVADA. A WINTER STORM WATCH HAS
BEEN ISSUED FOR THE TAHOE BASIN AND MONO COUNTY FROM SUNDAY NIGHT
THROUGH MONDAY AFTERNOON.

FOR WESTERN NEVADA VALLEYS...SNOW ACCUMULATIONS UP TO 2 INCHES
ARE POSSIBLE ABOVE 5000 FEET. ACCUMULATIONS ON VALLEY FLOORS ARE
ALSO POSSIBLE...BUT UNCERTAIN AT THIS TIME. SNOW OR RAIN/SNOW MIX
RAISES CONCERNS FOR THE MONDAY MORNING COMMUTE. TIMING OF THE
SYSTEM WITH CURRENT FORECAST SHOW PRECIPITATION AFFECTING THE
REGION EARLY MONDAY MORNING AND CONTINUING THROUGH THE DAY. COMMUTERS
AND OTHER TRAVELERS SHOULD BE AWARE OF POTENTIALLY DANGEROUS
DRIVING CONDITIONS WITH SLICK/ICY ROADS BY MONDAY MORNING.

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

LINDAMAN

HTTP://WEATHER.GOV/RENO

In the hours before

Local storm report, Jan 21, 11:44 AM PST, 2 hours 49 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RENO NV
1144 AM PST SAT JAN 21 2012

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0600 AM     HEAVY RAIN       2 SE SPANISH SPRINGS    39.62N 119.72W
01/21/2012  M1.01 INCH       WASHOE             NV   TRAINED SPOTTER

            TRAINED SPOTTER REPORTED 1.01 INCHES OF PRECIPITATION IN
            THE LAST 24 HOURS.

0625 AM     HEAVY RAIN       4 ESE JANESVILLE        40.28N 120.48W
01/21/2012  M2.03 INCH       LASSEN             CA   TRAINED SPOTTER

            TRAINED SPOTTER REPORTED 2.03 INCHES OF PRECIPITATION IN
            THE LAST 24 HOURS.

0625 AM     SNOW             1 W SODA SPRINGS        39.32N 120.40W
01/21/2012  M8.0 INCH        NEVADA             CA   PUBLIC

            SODA SPRINGS SKI AREA REPORTED 8-12 INCHES OF SNOWFALL
            OVERNIGHT.

0625 AM     HEAVY RAIN       4 ESE COLD SPRINGS VALL 39.65N 119.89W
01/21/2012  M1.90 INCH       WASHOE             NV   TRAINED SPOTTER

            TRAINED SPOTTER RECORDED 1.90 INCHES OF PRECIPITATION IN
            THE LAST 24 HOURS NEAR RED ROCK.

0725 AM     SNOW             2 NNW INCLINE VILLAGE   39.28N 119.98W
01/21/2012  M6.0 INCH        WASHOE             NV   PUBLIC

            DIAMOND PEAK SKI AREA REPORTED 4-6 INCHES OF SNOW OVER
            THE LAST 24 HOURS.

0726 AM     HEAVY RAIN       2 NW GARDNERVILLE       38.96N 119.75W
01/21/2012  M0.96 INCH       DOUGLAS            NV   TRAINED SPOTTER

            TRAINED WEATHER SPOTTER MEASURED 0.96 INCHES OF RAINFALL
            OVERNIGHT.

0726 AM     HEAVY SNOW       6 WNW SUSANVILLE        40.41N 120.65W
01/21/2012  M1.7 INCH        LASSEN             CA   TRAINED SPOTTER

            TRAINED SPOTTER REPORTED 1.70 INCHES OF RAIN SINCE 5 PM
            LAST NIGHT.

0726 AM     SNOW             8 SSW SOUTH LAKE TAHOE  38.83N 120.04W
01/21/2012  M9.0 INCH        EL DORADO          CA   PUBLIC

            SIERRA AT TAHOE SKI AREA REPORTED 9 INCHES OF SNOW IN THE
            LAST 24 HOURS.

0733 AM     HEAVY RAIN       1 NE CARSON CITY        39.18N 119.75W
01/21/2012  M1.20 INCH       CARSON CITY        NV   TRAINED SPOTTER

            A TRAINED WEATHER SPOTTER IN CARSON CITY REPORTED 1.20
            INCHES OF PRECIPITATION OVERNIGHT.

0733 AM     HEAVY RAIN       SW RENO                 39.54N 119.82W
01/21/2012  M1.28 INCH       WASHOE             NV   NWS EMPLOYEE

            OVERNIGHT PRECIPITATION RECORDED IN OLD SOUTHWEST RENO.

0758 AM     HEAVY RAIN       5 E VIRGINIA CITY       39.24N 119.49W
01/21/2012  M1.59 INCH       LYON               NV   TRAINED SPOTTER

            12-HOUR TOTAL SINCE 630 PM FRIDAY EVENING.

0758 AM     HEAVY RAIN       10 ENE ALPINE MEADOWS   38.94N 119.74W
01/21/2012  M1.13 INCH       DOUGLAS            NV   TRAINED SPOTTER

            A TRAINED WEATHER SPOTTER REPORTED 1.13 INCHES OF
            PRECIPITATION OVERNIGHT.

0813 AM     SNOW             1 NE INCLINE VILLAGE    39.26N 119.94W
01/21/2012  M7.0 INCH        WASHOE             NV   TRAINED SPOTTER

            SNOWFALL TOTAL SINCE MIDNIGHT AT 6700 FT.

0813 AM     HEAVY RAIN       1 NE INCLINE VILLAGE    39.26N 119.94W
01/21/2012  M1.50 INCH       WASHOE             NV   TRAINED SPOTTER

            OCCURRED BETWEEN NOON AND MIDNIGHT. CHANGED TO SNOW AFTER
            MIDNIGHT.

0816 AM     HEAVY RAIN       4 W MINDEN              39.00N 119.82W
01/21/2012  M2.77 INCH       DOUGLAS            NV   TRAINED SPOTTER

            STORM TOTAL SINCE 3 PM FRIDAY IN FOOTHILLS NEAR BASE OF
            KINGSBURY GRADE.

0828 AM     HEAVY RAIN       12 SSE RENO             39.38N 119.74W
01/21/2012  M1.16 INCH       WASHOE             NV   TRAINED SPOTTER

            STORM TOTAL OVERNIGHT.

0842 AM     HEAVY RAIN       2 SSE CARSON CITY       39.15N 119.76W
01/21/2012  M1.12 INCH       CARSON CITY        NV   TRAINED SPOTTER

0845 AM     HEAVY RAIN       1 N COLD SPRINGS VALLEY 39.68N 119.96W
01/21/2012  M1.48 INCH       WASHOE             NV   TRAINED SPOTTER

            STORM TOTAL RAINFALL. ALSO 0.5 INCH SNOW.

0847 AM     HEAVY RAIN       4 SSW SUSANVILLE        40.33N 120.60W
01/21/2012  M1.52 INCH       LASSEN             CA   TRAINED SPOTTER

            24-HOUR TOTAL AT 4800 FT. TWO-DAY RAINFALL TOTAL 2.57
            INCHES.

0901 AM     HEAVY RAIN       NW SOUTH LAKE TAHOE     38.94N 119.99W
01/21/2012  M4.30 INCH       EL DORADO          CA   TRAINED SPOTTER

            TOTAL SINCE 9 AM FRIDAY. ALSO 1 INCH OF SNOW.

0904 AM     HEAVY RAIN       PORTOLA                 39.80N 120.47W
01/21/2012  M1.67 INCH       PLUMAS             CA   CO-OP OBSERVER

            THE COOPERATIVE OBSERVER AT PORTOLA REPORTED 1.67 INCHES
            OF PRECIPITATION OVERNIGHT.

0908 AM     HEAVY RAIN       4 SSE CROWLEY LAKE      37.55N 118.71W
01/21/2012  M1.50 INCH       MONO               CA   TRAINED SPOTTER

            A WEATHER SPOTTER NEAR CROWLEY LAKE REPORTED 1.50 INCHES
            OF PRECIPITATION OVERNIGHT.

0910 AM     HEAVY RAIN       1 NW DOYLE              40.03N 120.11W
01/21/2012  M1.74 INCH       LASSEN             CA   TRAINED SPOTTER

            A WEATHER SPOTTER NEAR DOYLE REPORTED 1.74 INCHES OF
            PRECIPITATION OVERNIGHT.

0913 AM     SNOW             4 W PROSSER CREEK RESER 39.37N 120.25W
01/21/2012  M6.0 INCH        NEVADA             CA   TRAINED SPOTTER

            A WEATHER SPOTTER NEAR TAHOE-DONNER REPORTED 6.0 INCHES
            OF SNOWFALL OVERNIGHT.

0915 AM     HEAVY SNOW       1 NNW INCLINE VILLAGE   39.27N 119.97W
01/21/2012  M12.0 INCH       WASHOE             NV   TRAINED SPOTTER

            A WEATHER SPOTTER IN INCLINE VILLAGE REPORTED 12 INCHES
            OF SNOWFALL OVERNIGHT.

0915 AM     SNOW             3 NNW VIRGINIA CITY     39.35N 119.66W
01/21/2012  E2.0 INCH        STOREY             NV   TRAINED SPOTTER

            A WEATHER SPOTTER NEAR VIRGINIA CITY REPORTED 2.0 INCHES
            OF SNOWFALL OVERNIGHT WITH A WATER EQUIVALENT OF 0.87
            INCH.

0930 AM     HEAVY RAIN       7 NE SPANISH SPRINGS    39.75N 119.63W
01/21/2012  M1.03 INCH       WASHOE             NV   TRAINED SPOTTER

            A WEATHER SPOTTER IN PALOMINO VALLEY REPORTED 1.03 INCHES
            OF PRECIPITATION OVERNIGHT.

0938 AM     HEAVY RAIN       1 E SLOAT               39.87N 120.72W
01/21/2012  M2.90 INCH       PLUMAS             CA   TRAINED SPOTTER

            A WEATHER SPOTTER NEAR SLOAT REPORTED 2.90 INCHES OF
            PRECIPITATION AT AN ELEVATION OF 4200 FT.

0944 AM     HEAVY SNOW       5 WSW PROSSER CREEK RES 39.34N 120.25W
01/21/2012  M6.5 INCH        NEVADA             CA   TRAINED SPOTTER

            A WEATHER SPOTTER LOCATED NEAR TAHOE-DONNER AT AN
            ELEVATION OF 6700 FT REPORTED 6.5 INCHES OF SNOWFALL
            OVERNIGHT.

0947 AM     HEAVY RAIN       2 W BLAIRSDEN           39.78N 120.65W
01/21/2012  M2.56 INCH       PLUMAS             CA   TRAINED SPOTTER

            A TRAINED WEATHER SPOTTER REPORTED 2.56 INCHES OF
            PRECIPITATION IN THE PAST 24 HOURS.

1012 AM     HEAVY SNOW       BODIE                   38.21N 119.01W
01/21/2012  M19.0 INCH       MONO               CA   CO-OP OBSERVER

            BODIE STATE PARK REPORTED 19.0 INCHES OF SNOWFALL IN THE
            PAST 24 HOURS.

1054 AM     HEAVY RAIN       2 SSW GARDNERVILLE      38.91N 119.75W
01/21/2012  M1.25 INCH       DOUGLAS            NV   TRAINED SPOTTER

            24-HOUR RAINFALL TOTAL OF 1.25 INCHES MEASURED IN
            GARDNERVILLE.

1104 AM     SNOW             MAMMOTH LAKES           37.64N 118.96W
01/21/2012  M3.0 INCH        MONO               CA   CO-OP OBSERVER

            MAMMOTH LAKES RANGER STATION REPORTED 3.0 INCHES OF
            SNOWFALL OVERNIGHT WITH A WATER EQUIVALENT OF 2.13
            INCHES.

1107 AM     HEAVY RAIN       6 SE ALPINE MEADOWS     39.10N 120.16W
01/21/2012  M4.00 INCH       PLACER             CA   TRAINED SPOTTER

            A TRAINED WEATHER SPOTTER IN HOMEWOOD REPORTED 4.00
            INCHES OF PRECIPITATION IN THE PAST 24 HOURS WITH 4.0
            INCHES OF SNOWFALL OVERNIGHT.

1114 AM     SNOW             TAHOE CITY              39.17N 120.14W
01/21/2012  M3.0 INCH        PLACER             CA   CO-OP OBSERVER

            THE COOPERATIVE WEATHER OBSERVER AT TAHOE CITY REPORTED
            3.0 INCHES OF SNOWFALL OVERNIGHT WITH A WATER EQUIVALENT
            OF 3.11 INCHES.

&&

O'HARA

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 21, 3:47 AM PSTWind AdvisoryREVChurchill, Douglas, Lyon, Mineral, Pershing, Storey and 1 more11 hr
Jan 21, 10:04 AM PSTLake Wind AdvisoryREVDouglas, Washoe9 hr

Nearby

Winter Storm Watches in California, 2012Winter Storm Watches in Nevada, 2012Every winter storm watch in 2012

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.