Alert archive / California / Winter Storm Warnings in 2005

Winter Storm Warning 3, NWS Reno, NV

November 30, 20055 counties in California; Douglas County, Washoe County, Nevada

NWS Reno, NV issued this winter storm warning at Nov 30, 2005, 3:40 PM PST for 5 counties in California; Douglas County, Washoe County, Nevada. It took effect at Nov 30, 2005, 8:00 PM PST. It was in force for 37 hr. 13 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Nov 30, 2005, 3:40 PM PST (23:40 UTC)
In effect from
Nov 30, 2005, 8:00 PM PST
Expired
Dec 2, 2005, 8:59 AM PST
In force
37 hr
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 23:41 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.

What was reported inside it

TimeReportWhereRemark
Dec 1, 1:57 PM PSTHEAVY SNOW 16Mount Rose Ski Area, NV12-16 INCH STORM TOTAL SO FAR. STILL SNOWING.
Dec 1, 7:00 PM PSTHEAVY SNOW 12Mammoth Lakes, CAMAMMOTH SKI AREA AUTOMATED SNOW STUDY PLOT REACHED 12 INCHES AT 7 PM.
Dec 1, 8:01 PM PSTHEAVY SNOW 5Mammoth Lakes, CASINCE THIS AFTERNOON 5-6 INCHES IN TOWN. HIGHWAY 395 IS SNOW COVERED AND TRAFFIC MOVING AT 30 MPH. HOWARD.
Dec 1, 9:35 PM PSTHEAVY SNOW 12.51 Wnw Mammoth Lakes, CA12 HOUR STORM TOTAL.
Dec 2, 6:05 AM PSTHEAVY SNOW 23Northstar, CASKI AREA STORM TOTAL AT 8600 FEET.
Dec 2, 6:30 AM PSTHEAVY SNOW 30Kirkwood, CAKIRKWOOD SKI AREA 18-30 INCH STORM TOTAL.
Dec 2, 6:52 AM PSTHEAVY SNOW 11Meyers, CA11 INCHES AT ECHO SUMMIT 7382 FT PAST 24 HOURS. 3 INCHES AT MEYERS 6337 FT.
Dec 2, 7:07 AM PSTSNOW 10Twin Bridges, CASIERRA-AT-TAHOE SKI RESORT STORM TOTAL.
Dec 2, 7:07 AM PSTHEAVY SNOW 36Mount Rose Ski Area, NVMT. ROSE SKI AREA STORM TOTAL.
Dec 2, 7:23 AM PSTHEAVY SNOW 44Heavenly Valley, NVHEAVENLY SKI AREA. 26-44 INCH STORM TOTAL BETWEEN 7400 AND 10000 FEET.
Dec 2, 8:00 AM PSTHEAVY SNOW 31Mammoth Mountain, CASKI AREA STORM TOTAL MEASURED BY AUTOMATED SNOW SENSOR AT 9000 FEET.
Dec 2, 8:18 AM PSTSNOW 7Mammoth Lakes, CA7 INCHES TOTAL AT MAMMOTH LAKES RANGER STATION
Dec 2, 8:18 AM PSTSNOW 10Crowley Lake, CATOTAL SNOW ACCUMULATION NEAR 7200 FEET

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Reno, NV (KREV), launched 12:00Z, 11.7 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 2005-11-30Temperature 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 2005-11-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 287 square meters per square second.1939587897117136Sfc1 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
957 m above ground
0-6 km bulk shear
96 kt
0-1 km storm-relative helicity
287 m²/s²
0-3 km storm-relative helicity
498 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.

000 
WWUS45 KREV 302340
WSWREV

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE RENO NV
340 PM PST WED NOV 30 2005

...SIGNIFICANT SNOWFALL EXPECTED IN THE SIERRA...

.A STRONG LOW PRESSURE SYSTEM DEVELOPING OVER THE PACIFIC WILL
MOVE INTO NORTHERN CALIFORNIA THURSDAY MORNING. PRECIPITATION
WILL REACH THE NORTHERN SIERRA THIS EVENING...WITH THE HEAVIEST
PRECIPITATION EXPECTED EARLY THURSDAY MORNING THROUGH THURSDAY
EVENING. SNOW LEVELS WILL RISE TO NEAR 8000 FEET DURING THE DAY
THURSDAY BEFORE A COLD FRONT MOVES THROUGH THE AREA DURING THE
AFTERNOON AND EVENING. SIGNIFICANT SNOW ACCUMULATIONS ARE
EXPECTED ABOVE 8000 FEET WITH LESSER AMOUNTS BETWEEN 7000 AND 8000
FEET. STRONG WINDS WILL CAUSE BLOWING AND DRIFTING SNOW WITH LOCAL
WHITE OUT CONDITIONS OVER RIDGES AND MOUNTAIN PASSES.

IF YOU PLAN TO TRAVEL THROUGH THE SIERRA ON THURSDAY AND THURSDAY
NIGHT...BE PREPARED FOR DIFFICULT WINTER DRIVING CONDITIONS AND
TRAVEL DELAYS. STAY TUNED TO UPDATED STATEMENTS FROM THE NATIONAL
WEATHER SERVICE.

CAZ072-NVZ002-010745-
/O.UPG.KREV.WS.A.0002.051201T1400Z-051202T1400Z/
/O.NEW.KREV.WS.W.0003.051201T0400Z-051202T0400Z/
GREATER LAKE TAHOE AREA-
INCLUDING THE CITIES OF...SOUTH LAKE TAHOE...TAHOE CITY...
TRUCKEE...MARKLEEVILLE...GLENBROOK...INCLINE VILLAGE
340 PM PST WED NOV 30 2005

...WINTER STORM WARNING IN EFFECT FROM 8 PM THIS EVENING TO 8 PM
PST THURSDAY ABOVE 7000 FEET...

THE NATIONAL WEATHER SERVICE IN RENO HAS ISSUED A WINTER STORM
WARNING...WHICH IS IN EFFECT FROM 8 PM THIS EVENING TO 8 PM PST
THURSDAY. 

LIGHT TO MODERATE RAIN AND SNOW WILL MOVE INTO THE LAKE TAHOE
BASIN THIS EVENING. RAIN AND SNOW WILL BECOME HEAVY AT TIMES
THURSDAY MORNING BEFORE TAPERING OFF THURSDAY EVENING. SNOW LEVELS
WILL RISE TO NEAR 7000 FEET BY EARLY THURSDAY MORNING AND NEAR
8000 FEET THURSDAY. COLDER AIR IS EXPECTED TO MOVE INTO THE TAHOE
BASIN BY LATE THURSDAY AFTERNOON...DROPPING SNOW LEVELS TO LAKE
LEVEL. TOTAL SNOW ACCUMULATIONS OF A FOOT OR MORE ARE EXPECTED
ABOVE 7000 FEET...THIS INCLUDES DONNER PASS AND ECHO SUMMIT. ABOVE
8000 FEET...TOTAL SNOW ACCUMULATIONS OF 2 TO 3 FEET ARE EXPECTED.
AT LAKE LEVEL...LIGHT SNOW ACCUMULATIONS ARE POSSIBLE THIS EVENING
AND TONIGHT BEFORE THE SNOW CHANGES TO RAIN...AND UP TO 4 INCHES
OF SNOW ARE EXPECTED EARLY THURSDAY EVENING AS THE COLD FRONT
PASSES THROUGH.

STRONG WINDS WILL ALSO ACCOMPANY THE HEAVY SNOW CAUSING AREAS OF
BLOWING AND DRIFTING SNOW AND LOCAL WHITE OUT CONDITIONS. GUSTS
TO 100 MPH ARE POSSIBLE OVER RIDGES WITH GUSTS TO 50 MPH POSSIBLE AT
THE LOWER ELEVATIONS.

CONDITIONS CAN DETERIORATE RAPIDLY IN WINTER WEATHER SITUATIONS...
SLOW DOWN AND ALLOW EXTRA TIME WHEN TRAVELING.  PRACTICE YOUR
WINTER SAFETY RULES...CARRY TIRE CHAINS...FOOD...WATER...BLANKETS
AND A FLASHLIGHT IN YOUR CAR IN CASE OF AN EMERGENCY.

$$

CAZ073-010745-
/O.EXT.KREV.WS.A.0002.051201T2100Z-051202T1200Z/
MONO-
INCLUDING THE CITIES OF...BRIDGEPORT...COLEVILLE...LEE VINING...
MAMMOTH LAKES
340 PM PST WED NOV 30 2005

...WINTER STORM WATCH NOW IN EFFECT FROM THURSDAY AFTERNOON
THROUGH LATE THURSDAY NIGHT ABOVE 7500 FEET...
 
LIGHT TO MODERATE RAIN AND SNOW WILL MOVE INTO MONO COUNTY BY
EARLY THURSDAY AFTERNOON. RAIN AND SNOW WILL BECOME HEAVY AT TIMES
THURSDAY EVENING BEFORE TAPERING OFF EARLY FRIDAY MORNING. SNOW
LEVELS WILL START OUT NEAR 8500 FEET WEDNESDAY NIGHT AND DROP TO
6500 FEET BY FRIDAY MORNING. TOTAL SNOW ACCUMULATIONS OF A FOOT OR
MORE ARE POSSIBLE ABOVE 7500 FEET. ABOVE 8000 FEET AND ALONG THE
SIERRA CREST...TOTAL SNOW ACCUMULATIONS OF 2 FEET OR MORE ARE
POSSIBLE. BELOW 7500 FEET...A FEW INCHES OF SNOW ARE POSSIBLE LATE
THURSDAY NIGHT AS COLDER AIR MOVES INTO THE REGION.

STRONG WINDS WILL ALSO ACCOMPANY THE HEAVY SNOW CAUSING AREAS OF
BLOWING AND DRIFTING SNOW AND LOCAL WHITE OUT CONDITIONS. GUSTS
TO 100 MPH ARE POSSIBLE OVER RIDGES WITH GUSTS TO 50 MPH POSSIBLE
AT THE LOWER ELEVATIONS.

$$

RM/MJD
7 follow-up statements
000 
WWUS45 KREV 011054
WSWREV

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE RENO NV
254 AM PST THU DEC 1 2005

...SIGNIFICANT SNOWFALL EXPECTED IN THE SIERRA...

.A STRONG LOW PRESSURE SYSTEM DEVELOPING OVER THE PACIFIC WILL
CONTINUE TO MOVE INTO NORTHERN CALIFORNIA TODAY. THE HEAVIEST
PRECIPITATION IS EXPECTED THIS MORNING THROUGH THIS EVENING. SIGNIFICANT
SNOW ACCUMULATIONS ARE EXPECTED ABOVE 7500 FEET IN THE LAKE TAHOE
AREA AND MONO COUNTY WITH MODERATE AMOUNTS AROUND 7000 FEET.

IF YOU PLAN TO TRAVEL THROUGH THE SIERRA TODAY AND TONIGHT...BE
PREPARED FOR DIFFICULT WINTER DRIVING CONDITIONS AND TRAVEL
DELAYS. STAY TUNED TO UPDATED STATEMENTS FROM THE NATIONAL WEATHER
SERVICE.

CAZ070-NVZ005-011200-
/O.CAN.KREV.HS.W.0002.000000T0000Z-051201T1600Z/
SURPRISE VALLEY CALIFORNIA-NORTHERN WASHOE COUNTY-
INCLUDING THE CITIES OF...CEDARVILLE...EAGLEVILLE...
FORT BIDWELL...EMPIRE...GERLACH
254 AM PST THU DEC 1 2005

...HEAVY SNOW WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN RENO HAS CANCELLED THE HEAVY SNOW
WARNING. 

SNOW LEVELS IN THE SURPRISE VALLEY AND NORTHERN WASHOE COUNTY HAVE
RISEN TO 7000 FEET AND THE THREAT OF HEAVY SNOW HAS ENDED.
MODERATE TO LOCALLY HEAVY RAIN WILL STILL BE EXPECTED DURING THE
DAY TODAY.

$$

CAZ073-011900-
/O.UPG.KREV.WS.A.0002.051201T2100Z-051202T1200Z/
/O.EXB.KREV.WS.W.0003.051201T2100Z-051202T1800Z/
MONO-
INCLUDING THE CITIES OF...BRIDGEPORT...COLEVILLE...LEE VINING...
MAMMOTH LAKES
254 AM PST THU DEC 1 2005

...WINTER STORM WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO
10 AM PST FRIDAY ABOVE 7500 FEET...

THE NATIONAL WEATHER SERVICE IN RENO HAS ISSUED A WINTER STORM
WARNING...WHICH IS IN EFFECT FROM 1 PM THIS AFTERNOON TO 10 AM
PST FRIDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. 

LIGHT TO MODERATE RAIN AND SNOW WILL MOVE INTO MONO COUNTY BY
EARLY THURSDAY AFTERNOON. RAIN AND SNOW WILL BECOME HEAVY AT TIMES
THURSDAY EVENING BEFORE TAPERING OFF LATE FRIDAY MORNING. SNOW
LEVELS WILL BEGIN NEAR 8500 FEET THIS AFTERNOON AND DROP TO
6500 FEET BY FRIDAY MORNING. TOTAL SNOW ACCUMULATIONS OF A FOOT OR
MORE ARE EXPECTED ABOVE 7500 FEET WITH 2 TO 3 FEET ABOVE 8000 FEET
NEAR THE SIERRA CREST. ONLY LIGHT ACCUMULATIONS ARE EXPECTED BELOW
7500 FEET.

STRONG WINDS WILL ALSO ACCOMPANY THE HEAVY SNOW CAUSING AREAS OF
BLOWING AND DRIFTING SNOW AND LOCAL WHITE OUT CONDITIONS ACROSS
THE RIDGES. GUSTS OVER 100 MPH ARE EXPECTED OVER RIDGES WITH GUSTS
TO 55 MPH AT THE LOWER ELEVATIONS...MAINLY THIS AFTERNOON.

$$

CAZ072-NVZ002-011900-
/O.EXT.KREV.WS.W.0003.000000T0000Z-051202T1200Z/
GREATER LAKE TAHOE AREA-
INCLUDING THE CITIES OF...SOUTH LAKE TAHOE...TAHOE CITY...
TRUCKEE...MARKLEEVILLE...GLENBROOK...INCLINE VILLAGE
254 AM PST THU DEC 1 2005

...WINTER STORM WARNING NOW IN EFFECT UNTIL 4 AM PST FRIDAY 
ABOVE 7000 FEET...

THE WINTER STORM WARNING IS NOW IN EFFECT UNTIL 4 AM PST FRIDAY. 

RAIN AND SNOW WILL BECOME HEAVY AT TIMES TONIGHT BEFORE TAPERING
OFF THURSDAY EVENING. SNOW LEVELS WILL BE NEAR 8000 FEET THIS
MORNING. SNOW LEVELS WILL GRADUALLY FALL TO 6500 FEET THIS
EVENING. TOTAL SNOW ACCUMULATIONS OF A FOOT OR MORE ARE EXPECTED
ABOVE 7000 FEET WITH 2 TO 3 FEET ABOVE 8000 FEET. HIGHWAY PASSES
MOST AFFECTED WILL BE ECHO SUMMIT...CARSON PASS AND THE MOUNT ROSE
HIGHWAY.

STRONG WINDS WILL ALSO ACCOMPANY THE HEAVY SNOW CAUSING AREAS OF
BLOWING AND DRIFTING SNOW AND LOCAL WHITE OUT CONDITIONS ACROSS
MOUNTAIN PASSES. GUSTS OVER 100 MPH ARE EXPECTED OVER RIDGES WITH
GUSTS TO 50 MPH AT THE LOWER ELEVATIONS.

$$

WALLMANN/BRONG
000 
WWUS45 KREV 011850
WSWREV

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE RENO NV
1050 AM PST THU DEC 1 2005

...SIGNIFICANT SNOWFALL EXPECTED IN THE SIERRA...

.A STRONG LOW PRESSURE SYSTEM WILL CONTINUE TO SPREAD RAIN AND
SNOW ACROSS THE SIERRA THROUGH EARLY FRIDAY MORNING. A COLD FRONT
IN NORTHERN CALIFORNIA WILL PUSH SOUTHWARD THROUGH THE FORECAST
AREA THIS EVENING AND LOWER SNOW LEVELS.  SIGNIFICANT SNOW
ACCUMULATIONS ARE EXPECTED ABOVE 7500 FEET IN THE LAKE TAHOE AREA
AND MONO COUNTY WITH MODERATE AMOUNTS AROUND 7000 FEET.

IF YOU PLAN TO TRAVEL THROUGH THE SIERRA TODAY AND TONIGHT...BE
PREPARED FOR DIFFICULT WINTER DRIVING CONDITIONS AND TRAVEL
DELAYS. STAY TUNED TO UPDATED STATEMENTS FROM THE NATIONAL
WEATHER SERVICE.

CAZ072-NVZ002-021200-
/O.CON.KREV.WS.W.0003.000000T0000Z-051202T1200Z/
GREATER LAKE TAHOE AREA-
INCLUDING THE CITIES OF...SOUTH LAKE TAHOE...TAHOE CITY...
TRUCKEE...MARKLEEVILLE...GLENBROOK...INCLINE VILLAGE
1050 AM PST THU DEC 1 2005

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST FRIDAY 
ABOVE 7000 FEET...

RAIN AND SNOW WILL REMAIN HEAVY AT TIMES THROUGH TONIGHT. SNOW
LEVELS WILL REMAIN NEAR 8000 FEET BEFORE GRADUALLY FALLING TO LAKE
LEVEL THIS EVENING. TOTAL SNOW ACCUMULATIONS OF A FOOT OR MORE ARE
EXPECTED ABOVE 7000 FEET WITH 2 TO 4 FEET ABOVE 8000 FEET. HIGHWAY
PASSES MOST AFFECTED WILL BE THE CARSON PASS...THE UPPER SECTION
OF THE MOUNT ROSE HIGHWAY...AND ECHO SUMMIT.

STRONG WINDS WILL ALSO ACCOMPANY THE HEAVY SNOW CAUSING AREAS OF
BLOWING AND DRIFTING SNOW AND LOCAL WHITE OUT CONDITIONS ACROSS
MOUNTAIN PASSES. GUSTS OVER 100 MPH WILL CONTINUE OVER RIDGES WITH
GUSTS TO 50 MPH AT THE LOWER ELEVATIONS UNTIL EARLY FRIDAY
MORNING.

$$

CAZ073-021200-
/O.CON.KREV.WS.W.0003.051201T2100Z-051202T1800Z/
MONO-
INCLUDING THE CITIES OF...BRIDGEPORT...COLEVILLE...LEE VINING...
MAMMOTH LAKES
1050 AM PST THU DEC 1 2005

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST
FRIDAY ABOVE 7500 FEET...

HEAVY RAIN AND SNOW WILL CONTINUE THROUGH EARLY FRIDAY MORNING
BEFORE TAPERING OFF LATE FRIDAY MORNING. SNOW LEVELS CURRENTLY
BETWEEN 8000 AND 8500 FEET WILL DROP TO 6500 FEET BY FRIDAY
MORNING. TOTAL SNOW ACCUMULATIONS OF A FOOT OR MORE ARE EXPECTED
ABOVE 7500 FEET WITH 2 TO 3 FEET ABOVE 8000 FEET NEAR THE SIERRA
CREST. ONLY LIGHT ACCUMULATIONS ARE EXPECTED BELOW 7500 FEET.

STRONG WINDS WILL ALSO ACCOMPANY THE HEAVY SNOW CAUSING AREAS OF
BLOWING AND DRIFTING SNOW AND LOCAL WHITE OUT CONDITIONS. GUSTS
OVER 100 MPH WILL CONTINUE OVER RIDGES WITH GUSTS TO 55 MPH AT THE
LOWER ELEVATIONS THROUGH TONIGHT.

$$
000 
WWUS45 KREV 021124
WSWREV

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE RENO NV
324 AM PST FRI DEC 2 2005

CAZ072-NVZ002-021230-
/O.CAN.KREV.WS.W.0003.000000T0000Z-051202T1200Z/
GREATER LAKE TAHOE AREA-
INCLUDING THE CITIES OF...SOUTH LAKE TAHOE...TAHOE CITY...
TRUCKEE...MARKLEEVILLE...GLENBROOK...INCLINE VILLAGE
324 AM PST FRI DEC 2 2005

...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN RENO HAS CANCELLED THE WINTER
STORM WARNING. 

SNOW LEVELS IN THE TAHOE BASIN HAVE DROPPED TO LAKE LEVEL. HOWEVER
SIGNIFICANT SNOW ACCUMULATIONS ARE NO LONGER EXPECTED. LIGHT TO
MODERATE SNOW WILL CONTINUE THROUGH 6 AM SOUTH OF LAKE TAHOE WITH
ADDITIONAL ACCUMULATIONS OF 1 TO 3 INCHES.

$$

CAZ073-021800-
/O.CON.KREV.WS.W.0003.000000T0000Z-051202T1800Z/
MONO-
INCLUDING THE CITIES OF...BRIDGEPORT...COLEVILLE...LEE VINING...
MAMMOTH LAKES
324 AM PST FRI DEC 2 2005

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST THIS
MORNING ABOVE 7500 FEET...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST THIS
MORNING. 

MODERATE TO HEAVY SNOW WILL CONTINUE THROUGH THIS MORNING. SNOW
LEVELS ARE CURRENTLY NEAR 7000 FEET WILL DROP TO 6000 FEET. ALONG
AND WEST OF HIGHWAY 395...AN ADDITIONAL 4 TO 8 INCHES OF SNOW IS
POSSIBLE ABOVE 7500 FEET. LIGHT ACCUMULATIONS ARE EXPECTED BELOW
7500 FEET.

GUSTY WINDS WILL ACCOMPANY THE SNOW CAUSING AREAS OF BLOWING AND
DRIFTING SNOW AND LOCAL WHITE OUT CONDITIONS. EXPECT GUSTS TO 70
MPH OVER RIDGES WITH GUSTS TO 45 MPH AT THE LOWER ELEVATIONS
THROUGH THIS MORNING.

$$

BRONG
000 
WWUS45 KREV 021659
WSWREV

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE RENO NV
859 AM PST FRI DEC 2 2005

CAZ073-021800-
/O.CAN.KREV.WS.W.0003.000000T0000Z-051202T1800Z/
MONO-
INCLUDING THE CITIES OF...BRIDGEPORT...COLEVILLE...LEE VINING...
MAMMOTH LAKES
859 AM PST FRI DEC 2 2005

...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN RENO HAS CANCELLED THE WINTER
STORM WARNING. 

SNOW HAS DECREASED ACROSS MOST OF MONO COUNTY THIS MORNING WITH
ONLY LIGHT SNOW FALLING MAINLY SOUTH OF MAMMOTH ABOVE 7000 FEET. 
SNOW SHOWERS ARE EXPECTED THROUGH THIS AFTERNOON BUT ACCUMULATIONS
WILL REMAIN LIGHT. 

$$

BENINATO
000 
WWUS45 KREV 172214
WSWREV

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE RENO NV
214 PM PST SAT DEC 17 2005

...SIGNIFICANT SNOW ACCUMULATIONS LIKELY FOR THE SIERRA AND
NORTHEAST CALIFORNIA...

.A PACIFIC STORM SYSTEM WILL MOVE ACROSS NORTHERN CALIFORNIA TONIGHT
AND INTO THE SIERRA BY SUNDAY MORNING. LIGHT PRECIPITATION WILL
BEGIN TONIGHT IN THE SIERRA. PRECIPITATION WILL INCREASE IN INTENSITY
OVERNIGHT AND BECOME HEAVY SUNDAY MORNING. THE PRECIPITATION WILL
SPREAD NORTH AND EAST INTO LASSEN AND MODOC COUNTIES AND
EVENTUALLY INTO FAR NORTHERN WASHOE COUNTY...MAINLY NORTH OF
GERLACH BY SUNDAY AFTERNOON. SNOW LEVELS ARE EXPECTED TO RISE
ABOVE 6000 FEET BY MONDAY MORNING. SIGNIFICANT SNOW ACCUMULATIONS
ARE POSSIBLE ABOVE 5000 FEET IN THE SIERRA...WITH LESSER AMOUNTS
IN THE VALLEYS. GUSTY WINDS CAUSING BLOWING AND DRIFTING SNOW ARE ALSO
POSSIBLE OVER THE RIDGES AND MOUNTAIN PASSES WITH LOCAL WHITE OUT
CONDITIONS.

IF YOU PLAN TO TRAVEL THROUGH THE SIERRA ON SUNDAY AND SUNDAY
NIGHT...BE PREPARED FOR DIFFICULT WINTER DRIVING CONDITIONS AND
TRAVEL DELAYS. STAY TUNED TO LOCAL MEDIA OUTLETS FOR ADDITIONAL
STATEMENTS FROM THE NATIONAL WEATHER SERVICE.

CAZ071-072-NVZ002-181300-
/O.UPG.KREV.WS.A.0003.051218T1400Z-051219T0700Z/
/O.NEW.KREV.WS.W.0004.051218T1400Z-051219T0700Z/
LASSEN-EASTERN PLUMAS-EASTERN SIERRA COUNTIES-
GREATER LAKE TAHOE AREA-
INCLUDING THE CITIES OF...PORTOLA...SUSANVILLE...WESTWOOD...
SIERRAVILLE...SOUTH LAKE TAHOE...TAHOE CITY...TRUCKEE...
MARKLEEVILLE...GLENBROOK...INCLINE VILLAGE
214 PM PST SAT DEC 17 2005

...WINTER STORM WARNING IN EFFECT FROM 6 AM TO 11 PM PST SUNDAY...

THE NATIONAL WEATHER SERVICE IN RENO HAS ISSUED A WINTER STORM
WARNING...WHICH IS IN EFFECT FROM 6 AM TO 11 PM PST SUNDAY. THE
WINTER STORM WATCH IS NO LONGER IN EFFECT. 

LIGHT SNOW WILL MOVE INTO THE LAKE TAHOE AREA AND LASSEN COUNTY
LATE TONIGHT AND BECOME HEAVY BY SUNDAY MORNING. THE SNOW WILL
TAPER OFF LATE SUNDAY NIGHT. SNOW LEVELS WILL START OUT ON THE
VALLEY FLOORS AND RISE UP TO 6000 FEET BY SUNDAY EVENING. TOTAL
SNOW ACCUMULATIONS OF 18 TO 30 INCHES ARE POSSIBLE ABOVE 7000 FEET
AND 8 TO 16 INCHES AT LAKE LEVEL.

IN WESTERN LASSEN COUNTY 8 TO 16 INCHES ARE POSSIBLE ABOVE 5000
FEET WITH 4 TO 8 INCHES POSSIBLE OVER EASTERN LASSEN COUNTY.

GUSTY WINDS WILL ACCOMPANY THE HEAVY SNOW...CAUSING AREAS OF
BLOWING AND DRIFTING SNOW AND LOCAL WHITE OUT CONDITIONS IN THE
HIGHER ELEVATIONS. WIND GUSTS UP TO 75 MPH ARE POSSIBLE OVER THE
RIDGES.


$$

CAZ070-NVZ005-181300-
/O.CON.KREV.WS.A.0003.051218T1700Z-051219T0500Z/
SURPRISE VALLEY CALIFORNIA-NORTHERN WASHOE COUNTY-
INCLUDING THE CITIES OF...CEDARVILLE...EAGLEVILLE...
FORT BIDWELL...EMPIRE...GERLACH
214 PM PST SAT DEC 17 2005

...WINTER STORM WATCH REMAINS IN EFFECT FROM SUNDAY MORNING
THROUGH SUNDAY EVENING...

A WINTER STORM WATCH REMAINS IN EFFECT FROM SUNDAY MORNING
THROUGH SUNDAY EVENING. 

LIGHT SNOW WILL MOVE INTO FAR NORTHEASTERN CALIFORNIA AND
NORTHWESTERN NEVADA SUNDAY MORNING AND BECOME HEAVY AT TIMES
SUNDAY AFTERNOON AND EVENING. SNOW LEVELS WILL START OUT AT THE
VALLEY FLOORS AND RISE UP TO AROUND 5000 FEET BY SUNDAY EVENING.
THE PRECIPITATION WILL TAPER OFF BY SUNDAY NIGHT. TOTAL SNOW
ACCUMULATIONS OF UP TO A FOOT ARE POSSIBLE AT THE HIGHEST
ELEVATIONS...WITH UP TO 6 INCHES IN THE VALLEYS.

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW ACCUMULATIONS THAT MAY CREATE HAZARDOUS WINTER DRIVING
CONDITIONS. CONTINUE TO MONITOR THE LATEST FORECASTS.

$$
000 
WWUS45 KREV 172230
WSWREV

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE RENO NV
230 PM PST SAT DEC 17 2005

...SIGNIFICANT SNOW ACCUMULATIONS LIKELY FOR THE SIERRA AND
NORTHEAST CALIFORNIA...

.A PACIFIC STORM SYSTEM WILL MOVE ACROSS NORTHERN CALIFORNIA
TONIGHT AND INTO THE SIERRA BY SUNDAY MORNING. LIGHT
PRECIPITATION WILL BEGIN TONIGHT IN THE SIERRA. PRECIPITATION
WILL INCREASE IN INTENSITY OVERNIGHT AND BECOME HEAVY SUNDAY
MORNING. THE PRECIPITATION WILL SPREAD NORTH AND EAST INTO LASSEN
AND MODOC COUNTIES AND EVENTUALLY INTO FAR NORTHERN WASHOE
COUNTY...MAINLY NORTH OF GERLACH BY SUNDAY AFTERNOON. SNOW LEVELS
ARE EXPECTED TO RISE ABOVE 6000 FEET BY MONDAY MORNING.
SIGNIFICANT SNOW ACCUMULATIONS ARE POSSIBLE ABOVE 5000 FEET IN
THE SIERRA...WITH LESSER AMOUNTS IN THE VALLEYS. GUSTY WINDS
CAUSING BLOWING AND DRIFTING SNOW ARE ALSO POSSIBLE OVER THE
RIDGES AND MOUNTAIN PASSES WITH LOCAL WHITE OUT CONDITIONS.

IF YOU PLAN TO TRAVEL THROUGH THE SIERRA ON SUNDAY AND SUNDAY
NIGHT...BE PREPARED FOR DIFFICULT WINTER DRIVING CONDITIONS AND
TRAVEL DELAYS. STAY TUNED TO LOCAL MEDIA OUTLETS FOR ADDITIONAL
STATEMENTS FROM THE NATIONAL WEATHER SERVICE.

CAZ071-072-NVZ002-181300-
/O.CON.KREV.WS.W.0004.051218T1400Z-051219T0700Z/
LASSEN-EASTERN PLUMAS-EASTERN SIERRA COUNTIES-
GREATER LAKE TAHOE AREA-
INCLUDING THE CITIES OF...PORTOLA...SUSANVILLE...WESTWOOD...
SIERRAVILLE...SOUTH LAKE TAHOE...TAHOE CITY...TRUCKEE...
MARKLEEVILLE...GLENBROOK...INCLINE VILLAGE
230 PM PST SAT DEC 17 2005

...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 AM TO 11 PM PST
SUNDAY...

A WINTER STORM WARNING REMAINS IN EFFECT FROM 6 AM TO 11 PM PST
SUNDAY. 

LIGHT SNOW WILL MOVE INTO THE LAKE TAHOE AREA AND LASSEN COUNTY
LATE TONIGHT AND BECOME HEAVY BY SUNDAY MORNING. THE SNOW WILL
TAPER OFF LATE SUNDAY NIGHT. SNOW LEVELS WILL START OUT ON THE
VALLEY FLOORS AND RISE UP TO 6000 FEET BY SUNDAY EVENING. TOTAL
SNOW ACCUMULATIONS OF 18 TO 30 INCHES ARE POSSIBLE ABOVE
7000 FEET AND 8 TO 16 INCHES AT LAKE LEVEL.

IN WESTERN LASSEN COUNTY 8 TO 16 INCHES ARE POSSIBLE ABOVE
5000 FEET WITH 4 TO 8 INCHES POSSIBLE OVER EASTERN LASSEN COUNTY.

GUSTY WINDS WILL ACCOMPANY THE HEAVY SNOW...CAUSING AREAS OF
BLOWING AND DRIFTING SNOW AND LOCAL WHITE OUT CONDITIONS IN THE
HIGHER ELEVATIONS. WIND GUSTS UP TO 75 MPH ARE POSSIBLE OVER THE
RIDGES.

$$

CAZ073-181300-
/O.NEW.KREV.SN.Y.0004.051218T1400Z-051219T0700Z/
MONO-
INCLUDING THE CITIES OF...BRIDGEPORT...COLEVILLE...LEE VINING...
MAMMOTH LAKES
230 PM PST SAT DEC 17 2005

...SNOW ADVISORY IN EFFECT FROM 6 AM TO 11 PM PST SUNDAY...

THE NATIONAL WEATHER SERVICE IN RENO HAS ISSUED A SNOW ADVISORY...
WHICH IS IN EFFECT FROM 6 AM TO 11 PM PST SUNDAY. 

SNOW WILL BEGIN OVER MONO COUNTY OVERNIGHT AND BECOME HEAVY DURING
THE DAY SUNDAY. RISING SNOW LEVELS ARE EXPECTED WITH THIS STORM
AND BY MONDAY MORNING THEY WILL BE NEAR 7000 FEET. TOTAL SNOW
ACCUMULATIONS OF 10 TO 18 INCHES ARE POSSIBLE ABOVE 7000 FEET
ALONG THE CREST OF THE SIERRA WITH 5 TO 10 INCHES EAST OF THE
CREST. GUSTY WINDS ARE LIKELY TO CAUSE BLOWING AND DRIFTING SNOW
IN THE HIGHER ELEVATIONS AND PASSES.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

CAZ070-NVZ005-181300-
/O.CON.KREV.WS.A.0003.051218T1700Z-051219T0500Z/
SURPRISE VALLEY CALIFORNIA-NORTHERN WASHOE COUNTY-
INCLUDING THE CITIES OF...CEDARVILLE...EAGLEVILLE...
FORT BIDWELL...EMPIRE...GERLACH
230 PM PST SAT DEC 17 2005

...WINTER STORM WATCH REMAINS IN EFFECT FROM SUNDAY MORNING
THROUGH SUNDAY EVENING...

A WINTER STORM WATCH REMAINS IN EFFECT FROM SUNDAY MORNING
THROUGH SUNDAY EVENING. 

LIGHT SNOW WILL MOVE INTO FAR NORTHEASTERN CALIFORNIA AND
NORTHWESTERN NEVADA SUNDAY MORNING AND BECOME HEAVY AT TIMES
SUNDAY AFTERNOON AND EVENING. SNOW LEVELS WILL START OUT AT THE
VALLEY FLOORS AND RISE UP TO AROUND 5000 FEET BY SUNDAY EVENING.
THE PRECIPITATION WILL TAPER OFF BY SUNDAY NIGHT. TOTAL SNOW
ACCUMULATIONS OF UP TO A FOOT ARE POSSIBLE AT THE HIGHEST
ELEVATIONS...WITH UP TO 6 INCHES IN THE VALLEYS.

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW ACCUMULATIONS THAT MAY CREATE HAZARDOUS WINTER DRIVING
CONDITIONS. CONTINUE TO MONITOR THE LATEST FORECASTS.

$$
000 
WWUS45 KREV 180634
WSWREV

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE RENO NV
1034 PM PST SAT DEC 17 2005

...SIGNIFICANT SNOW ACCUMULATIONS IN THE SIERRA...

.A WET PACIFIC STORM SYSTEM WILL MOVE INTO THE REGION AND BRING
HEAVY SNOW TO THE SIERRA AS WELL AS PARTS OF NORTHEAST CALIFORNIA
AND NORTHWEST NEVADA SUNDAY. LIGHT SNOW OVERNIGHT WILL BECOME
HEAVY AT TIMES SUNDAY MORNING AND CONTINUE INTO THE AFTERNOON.
SNOW LEVELS ARE EXPECTED TO RISE DURING THE DAY SUNDAY AND INTO
SUNDAY NIGHT. MOST VALLEY LOCATIONS SOUTH OF A SUSANVILLE TO
GERLACH LINE INCLUDING THE TAHOE BASIN WILL LIKELY SEE SOME MIX
OF RAIN AND SNOW BY SUNDAY AFTERNOON AFTER A VERY WET SNOWFALL TO
START THE DAY. HIGHER ELEVATIONS INCLUDING AREA PASSES WILL
RECEIVE THE HEAVIEST AMOUNTS.

IF YOU PLAN TO TRAVEL THROUGH THE SIERRA SUNDAY AND SUNDAY
NIGHT...BE PREPARED FOR DIFFICULT WINTER DRIVING CONDITIONS AND
TRAVEL DELAYS. STAY TUNED TO LOCAL MEDIA OUTLETS FOR ADDITIONAL
STATEMENTS FROM THE NATIONAL WEATHER SERVICE.

CAZ070-NVZ005-181315-
/O.UPG.KREV.WS.A.0003.051218T1700Z-051219T0500Z/
/O.NEW.KREV.HS.W.0003.051218T1400Z-051219T0200Z/
SURPRISE VALLEY CALIFORNIA-NORTHERN WASHOE COUNTY-
INCLUDING THE CITIES OF...CEDARVILLE...EAGLEVILLE...
FORT BIDWELL...EMPIRE...GERLACH
1034 PM PST SAT DEC 17 2005

...HEAVY SNOW WARNING IN EFFECT FROM 6 AM TO 6 PM PST SUNDAY...

THE NATIONAL WEATHER SERVICE IN RENO HAS ISSUED A HEAVY SNOW
WARNING...WHICH IS IN EFFECT FROM 6 AM TO 6 PM PST SUNDAY. THE
WINTER STORM WATCH IS NO LONGER IN EFFECT. 

LIGHT SNOW WILL MOVE INTO FAR NORTHEASTERN CALIFORNIA AND
NORTHWESTERN NEVADA OVERNIGHT AND BECOME HEAVY AT TIMES SUNDAY.
SNOW LEVELS WILL START OUT AT THE VALLEY FLOORS AND RISE UP TO
AROUND 5000 FEET BY SUNDAY EVENING. THE PRECIPITATION WILL TAPER
SUNDAY NIGHT. TOTAL SNOW ACCUMULATIONS UP TO A FOOT ARE POSSIBLE
AT THE HIGHEST ELEVATIONS...WITH 4 TO 6 INCHES IN THE VALLEYS.

A HEAVY SNOW WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE
FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN
EMERGENCY. IF YOU MUST...KEEP AN EXTRA FLASHLIGHT...FOOD...AND
WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY.

$$

CAZ073-181315-
/O.UPG.KREV.SN.Y.0004.051218T1400Z-051219T0700Z/
/O.EXA.KREV.WS.W.0004.051218T1400Z-051219T0700Z/
MONO-
INCLUDING THE CITIES OF...BRIDGEPORT...COLEVILLE...LEE VINING...
MAMMOTH LAKES
1034 PM PST SAT DEC 17 2005

...WINTER STORM WARNING IN EFFECT FROM 6 AM TO 11 PM PST SUNDAY...

THE NATIONAL WEATHER SERVICE IN RENO HAS ISSUED A WINTER STORM
WARNING...WHICH IS IN EFFECT FROM 6 AM TO 11 PM PST SUNDAY. THE
SNOW ADVISORY IS NO LONGER IN EFFECT. 

SNOW OVER MONO COUNTY WILL BECOME HEAVY DURING THE DAY SUNDAY.
RISING SNOW LEVELS ARE EXPECTED WITH THIS STORM AND BY MONDAY
MORNING THEY WILL BE NEAR 7000 FEET. TOTAL SNOW ACCUMULATIONS OF 1
TO 2 FEET ARE POSSIBLE IN THE HIGH SIERRA JUST TO THE EAST OF THE
CREST WHILE 6 TO 12 INCHES CAN BE EXPECTED ABOVE 7000 FEET
INCLUDING HIGHWAY 395. GUSTY WINDS WILL RESULT IN BLOWING AND
DRIFTING SNOW AT THE HIGHER ELEVATIONS AND PASSES.

CONDITIONS CAN DETERIORATE RAPIDLY IN WINTER WEATHER SITUATIONS...
SLOW DOWN AND ALLOW EXTRA TIME WHEN TRAVELING.  PRACTICE YOUR
WINTER SAFETY RULES...CARRY TIRE CHAINS...FOOD...WATER...BLANKETS
AND A FLASHLIGHT IN YOUR CAR IN CASE OF AN EMERGENCY.

$$

CAZ071-072-NVZ002-181315-
/O.CON.KREV.WS.W.0004.051218T1400Z-051219T0700Z/
LASSEN-EASTERN PLUMAS-EASTERN SIERRA COUNTIES-
GREATER LAKE TAHOE AREA-
INCLUDING THE CITIES OF...PORTOLA...SUSANVILLE...WESTWOOD...
SIERRAVILLE...SOUTH LAKE TAHOE...TAHOE CITY...TRUCKEE...
MARKLEEVILLE...GLENBROOK...INCLINE VILLAGE
1034 PM PST SAT DEC 17 2005

...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 AM TO 11 PM PST
SUNDAY...

LIGHT TO MODERATE SNOW WILL CONTINUE TO MOVE INTO THE LAKE TAHOE
AREA AND LASSEN COUNTY OVERNIGHT AND BECOME HEAVY BY SUNDAY
MORNING. THE SNOW WILL TAPER SUNDAY NIGHT. SNOW LEVELS WILL START
OUT ON THE VALLEY FLOORS AND RISE UP TO 6000 FEET BY SUNDAY
EVENING. TOTAL SNOW ACCUMULATIONS OF 18 TO 30 INCHES ARE POSSIBLE
ABOVE 7000 FEET AND 8 TO 16 INCHES AT LAKE LEVEL.

IN WESTERN LASSEN COUNTY 8 TO 16 INCHES ARE POSSIBLE ABOVE
5000 FEET WITH 4 TO 8 INCHES POSSIBLE OVER EASTERN LASSEN COUNTY.

GUSTY WINDS WILL ACCOMPANY THE HEAVY SNOW...CAUSING AREAS OF
BLOWING AND DRIFTING SNOW AND LOCAL WHITE OUT CONDITIONS IN THE
HIGHER ELEVATIONS. WIND GUSTS UP TO 75 MPH ARE POSSIBLE OVER THE
RIDGES.

$$

NVZ004-181315-
/O.NEW.KREV.SN.Y.0005.051218T1400Z-051219T0200Z/
WESTERN NEVADA BASIN AND RANGE INCLUDING PYRAMID LAKE-
INCLUDING THE CITIES OF...FERNLEY...FALLON...LOVELOCK...
SILVER SPRINGS...NIXON...IMLAY
1034 PM PST SAT DEC 17 2005

...SNOW ADVISORY IN EFFECT FROM 6 AM TO 6 PM PST SUNDAY...

THE NATIONAL WEATHER SERVICE IN RENO HAS ISSUED A SNOW ADVISORY...
WHICH IS IN EFFECT FROM 6 AM TO 6 PM PST SUNDAY. 

SNOW WILL DEVELOP OVERNIGHT AND BECOME WIDESPREAD SUNDAY MORNING.
SNOW ACCUMULATIONS OF 2 TO 4 INCHES CAN BE EXPECTED WITH SNOW
MIXING WITH OR CHANGING TO RAIN AT THE VALLEY FLOORS DURING THE
AFTERNOON. 

THIS SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL
DIFFICULTIES. BE PREPARED FOR SNOW COVERED OR SLUSHY ROADS AND
LIMITED VISIBILITIES. USE CAUTION WHILE DRIVING.

$$

What forecasters said that day

The local office's own words before this winter storm warning 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 warning went out at Nov 30, 3:15 PM PST, 25 minutes earlier.

Area forecast discussion, Nov 30, 3:15 PM PST, 25 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE RENO NV
315 PM PST WED NOV 30 2005

.SHORT TERM...
COMPLEX WEATHER SCENARIO DEVELOPING TONIGHT AND THURSDAY AS POWERFUL
STORM APPROACHES THE CA COAST. RADAR ECHOES HAVE INCREASED THIS
AFTERNOON AS WARM ADVECTION MOISTURE SPREADS ACROSS THE REGION. DEW
POINTS REMAIN VERY LOW IN THE SINGLE DIGITS OVER THE TAHOE BASIN AND
IN THE TEENS AND 20S ELSEWHERE SO MOST OF THE CURRENT RADAR RETURNS
ARE LIKELY VIRGA EXCEPT AT HIGHER ELEVATIONS.

ADDRESSING THE SNOW POTENTIAL FIRST...MODEL SOUNDINGS INDICATE
STABLE AND NEARLY ISOTHERMAL LAYER BELOW 700 MB TONIGHT. EVEN THOUGH
TEMPS AT 700 MB WILL CONTINUE TO RISE...THE PRESENCE OF THIS STABLE
LAYER WILL ALLOW SNOW TO FALL AT LEVELS LOWER THAN INDICATED BY
MODEL DATA. SNOW IS LIKELY TO BEGIN THIS EVENING AS THE AIR MASS
NEAR THE SURFACE MOISTENS UP AND COULD ACCUMULATE TO ADVISORY LEVELS
IN THE TAHOE BASIN AT LAKE LEVEL BEFORE CHANGING TO RAIN TOWARD
DAYBREAK. ABOVE 7000 FEET...THE POTENTIAL FOR HEAVY SNOW WILL BE
GREATER SO THE WATCH WILL BE UPGRADED TO A WARNING FOR THE TAHOE
ZONE. THE OVERRUNNING PRECIP IS LIKELY OVERDONE ON THE ETA MODEL
FOR MONO COUNTY AS THE DEEPER MOISTURE AND BETTER FRONTAL LIFT
SHOULD REMAIN FARTHER NORTH. WIDESPREAD PRECIP IS MORE LIKELY THURS
AFTERNOON OVER MONO COUNTY SO THE WATCH WILL REMAIN IN PLACE AT THIS
TIME. IN NERN CA...SNOW LEVELS MAY BEGIN BETWEEN 4500 AND 5000 FEET
BUT SHOULD RISE TO ABOVE 6000 FEET BEFORE SNOW AMOUNTS REACH
ADVISORY CRITERIA.

ON THURSDAY...SNOW LEVELS WILL RISE AS WARM AIR MASS SHOULD BREAK
THE ISOTHERMAL LAYER IN THE SIERRA DURING THE MORNING AND COULD EVEN
RISE ABOVE 8000 FEET FOR A FEW HOURS FROM LATE MORNING THRU EARLY
AFTERNOON. THE TIME SPENT IN THE WARM SECTOR IS STILL AN UNCERTAINTY
AND WOULD HAVE SIGNIFICANT EFFECT ON SNOW AMOUNTS. THE CURRENT
THINKING IS THAT AREAS ABOVE 8000 FEET WILL BE NEARLY ALL SNOW AND
COULD SEE UP TO 3 FEET BY EVENING WHILE AMOUNTS SHOULD EXCEED A FOOT
IN THE 7000 TO 8000 FOOT RANGE AS WELL EVEN WITH THE WARM SECTOR
PERIOD. AS A COLD FRONT PUSHES THRU THE REGION LATER THURSDAY
AFTERNOON...A FINAL BURST OF SNOW COULD BRING A FEW QUICK INCHES TO
THE LAKE LEVEL BEFORE ENDING DURING THE EVENING. PRECIP SHOULD TAPER
OFF IN MONO COUNTY AFTER MIDNIGHT. THESE ENDING TIMES FOR PRECIP ARE
SOONER THAN INDICATED BY MODEL DATA SINCE THEY TEND TO HANG ON THE
QPF TOO LONG FOR FAST MOVING COLD FRONT PASSAGES.

IN LOWER ELEVATIONS...RAINFALL IN EXCESS OF 1 INCH IS LIKELY IN THE
LASSEN ZONE AND IF THE ETA SOLUTION VERIFIES...EVEN RENO WOULD SEE
AN INCH OF RAIN ON THURSDAY. USUALLY THE GFS IS WETTER FOR THE WRN
NV VALLEYS WITH THE HIGHER RESOLUTION ETA ABLE TO DELINEATE A RAIN
SHADOW...SO THIS COULD SIGNIFY A HIGHER CONFIDENCE FOR SIGNIFICANT
RAIN REACHING RENO. RAINFALL AMOUNTS WILL DECREASE OVER NORTHWEST
AND WEST CENTRAL NV WITH THE LEAST PRECIP OVER MINERAL COUNTY. THE
MOST LIKELY PERIOD FOR VALLEY RAIN WILL BE ASSOCIATED WITH THE WARM
ADVECTION OVER THE STABLE ISOTHERMAL LAYER BELOW 700 MB FROM LATER
THIS EVENING THRU THURS MORNING.

WIND POTENTIAL REMAINS A CONCERN IN THE LOWER ELEVATIONS THURSDAY AS
700 MB FLOW OF 70 KT IS EXPECTED THRU THE MORNING. TRANSPORTING
THIS WIND TO THE SURFACE WILL BE DIFFICULT WHEN STEADY RAIN IS
EXPECTED. BY THURS AFTERNOON...WINDS WILL HAVE A BETTER CHANCE OF
MIXING DOWN BUT SPEEDS MAY NOT REACH WARNING CRITERIA AS THE JET
CORE COULD BE FARTHER SOUTH BY THE TIME THE STEADY RAIN BREAKS UP.
DUE TO THIS UNCERTAINTY...THE HIGH WIND WATCH WILL REMAIN FOR NOW
WITH MINERAL COUNTY BEING ADDED TO THE WATCH SINCE THEY WILL HAVE A
BETTER OPPORTUNITY FOR MIXING WITH EXPECTED RAIN SHADOWING.

FROM FRIDAY THRU SAT NIGHT...ISOLATED SHOWERS MAY LINGER INTO FRIDAY
WITH CYCLONIC 500 MB FLOW AND RESIDUAL MOISTURE REMAINING IN PLACE.
A WEAK SHORTWAVE MAY BRING LIGHT SNOW INTO THE NORTHERN ZONES ON FRI
NIGHT AND SAT OTHERWISE THE REGION SHOULD REMAIN DRY AND COOLER. MJD

.LONG TERM...SUNDAY THROUGH WEDNESDAY...
MODELS IN DECENT AGREEMENT WITH TROUGH MOVING EAST AND NORTHWEST
FLOW DEVELOPING ACROSS THE CWA BY SUNDAY AS RIDGE DEVELOPS OFF THE
WEST COAST. THE GFS AND EUROPEAN BOTH SHOW A WEAK IMPULSE EMBEDDED
IN THE NORTHWEST FLOW DROPPING DOWN SOMETIME ON TUESDAY OR
WEDNESDAY...BUT DIFFER ON TIMING AND STRENGTH. MODELS TYPICALLY HAVE
A HARD TIME IRONING OUT THESE DETAILS IN THE EXTENDED PERIOD SO LEFT
SLIGHT CHANCE POPS OVER NRN ZONES ON TUESDAY. OTHER THAN
THAT...CONTINUED WITH THE PARTLY CLOUDY CLOUD COVER THROUGH
WEDNESDAY...ALTHOUGH NRN ZONES COULD BE CLOSER TO MOSTLY CLOUDY
DEPENDING ON HOW FLAT THE RIDGE IS AND SHORT WAVE ENERGY EMBEDDED IN
NW FLOW. TEMPERATURES SHOULD BE NEAR TO SLIGHTLY ABOVE NORMAL
THROUGH THE PERIOD. BENINATO

.AVIATION...
ONLY HIGH AND MID LEVEL CLOUDS EXPECTED OVER TAF SITES THROUGH EARLY
EVENING. SOME SHOWERS WILL SPILL ACROSS THE SIERRA TODAY MAINLY
NORTH OF I-80. CLOUDS WILL LOWER AND RAIN/SNOW WILL INCREASE FROM
KTVL NWD OVERNIGHT WITH MVFR CIGS/VIS EXPECTED AFTER 05Z. PRECIP
WILL BE MORE SHOWERY FURTHER EAST OF THE MOUNTAINS THROUGH THURSDAY
MORNING...BUT WINDS WILL BECOME STRONG OVERNIGHT AND TOMORROW.
SURFACE WINDS 20-25 MPH AND GUSTS OVER 45 MPH LIKELY ON THURSDAY
OVER TAF/TWEB ROUTES IN NV. BENINATO.

&&

.REV WATCHES/WARNINGS/ADVISORIES...
.NV...WINTER STORM WARNING ABOVE 7000 FEET ZONE 2 FROM 8 PM THIS
       EVENING THROUGH 8 PM THURSDAY EVENING.
      HIGH WIND WATCH ZONES 1 3 AND 5 THURSDAY MORNING THROUGH
       THURSDAY EVENING.
      LAKE WIND ADVISORY ZONE 4 FROM 10 AM THURSDAY MORNING THROUGH
       8 PM THURSDAY EVENING.

.CA...WINTER STORM WARNING ABOVE 7000 FEET ZONE 72 FROM 8 PM
       TONIGHT THROUGH 8 PM THURSDAY NIGHT.
      WINTER STORM WATCH ABOVE 7500 FEET ZONE 73 THURSDAY
       AFTERNOON THROUGH LATE THURSDAY NIGHT.
      HIGH WIND WATCH ZONES 70 AND 71 THURSDAY MORNING THROUGH
       THURSDAY EVENING.
Hazardous weather outlook, Nov 30, 6:00 AM PST, 9 hours 40 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE RENO NV
600 AM PST WED NOV 30 2005

CAZ070>073-NVZ001>005-011500-
SURPRISE VALLEY CALIFORNIA-LASSEN-EASTERN PLUMAS-
EASTERN SIERRA COUNTIES-GREATER LAKE TAHOE AREA-MONO-
MINERAL AND SOUTHERN LYON COUNTIES-GREATER RENO-CARSON CITY-
MINDEN AREA-WESTERN NEVADA BASIN AND RANGE INCLUDING PYRAMID LAKE-
NORTHERN WASHOE COUNTY-
600 AM PST WED NOV 30 2005

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EAST CENTRAL
CALIFORNIA...NORTHEAST CALIFORNIA...NORTHWEST NEVADA...WEST
CENTRAL NEVADA AND WESTERN NEVADA.

.DAY ONE...TODAY

A STRONG LOW PRESSURE SYSTEM WILL CONTINUE TO DEVELOP OVER THE
PACIFIC TODAY AND BEGIN TO AFFECT THE AREA BEGINNING TOMORROW
MORNING.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

A WINTER STORM WATCH IS IN EFFECT FROM THURSDAY MORNING THROUGH LATE
THURSDAY NIGHT FOR THE SIERRA. REFER TO /WWUS45 KREV WSWREV/ FOR
FURTHER DETAILS.

A HIGH WIND WATCH IS IN EFFECT FROM THURSDAY MORNING THROUGH LATE
THURSDAY EVENING FOR NORTHEASTERN CALIFORNIA AND FAR WESTERN NEVADA
INCLUDING THE GREATER RENO-CARSON CITY MINDEN AREA. REFER TO /WWUS75
KREV NPWREV/ FOR FURTHER DETAILS.

.SPOTTER INFORMATION STATEMENT...
SKYWARN ACTIVATION IS NOT ANTICIPATED AT THIS TIME.
SPOTTERS ARE ASKED TO REPORT SIGNIFICANT EVENTS ACCORDING TO
ESTABLISHED CRITERIA.

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 30, 3:00 AM PSTHigh Wind WatchREVLassen, Modoc, Plumas, Sierra20 hr
Nov 30, 3:00 AM PSTWinter Storm WatchREVAlpine, El Dorado, Mono, Nevada, Placer24 hr

Nearby

Winter Storm Warnings in California, 2005Winter Storm Warnings in Nevada, 2005Every winter storm warning in 2005

Sources

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