Alert archive / California / Winter Storm Warnings in 2007

Winter Storm Warning 1, NWS Reno, NV

January 3, 20077 counties in California; Douglas County, Washoe County, Nevada

NWS Reno, NV issued this winter storm warning at Jan 3, 2007, 3:08 AM PST for 7 counties in California; Douglas County, Washoe County, Nevada. It took effect at Jan 3, 2007, 10:00 PM PST. It was in force for 18 hr. 2 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
Jan 3, 2007, 3:08 AM PST (11:08 UTC)
In effect from
Jan 3, 2007, 10:00 PM PST
Expired
Jan 4, 2007, 4:00 PM PST
In force
18 hr
Issued by
NWS Reno, NV

Counties Alpine County, CA, El Dorado County, CA, Lassen County, CA, Nevada County, CA, Placer County, CA, Plumas County, CA, Sierra County, CA, Douglas County, NV, Washoe County, NV

The radar

The Reno radar (KRGX), 80 km from the middle of the area, began a volume at 11:07 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
Jan 4, 11:13 AM PSTSNOW 45 Wsw Heavenly Valley, CAMEASURED AT 6350 FT.
Jan 4, 11:35 AM PSTSNOW 43 Ene Donner Peak, CAMEASURED AT 6500 FT.

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 00:00Z, 11.1 hours before the alert went out and 184 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 00:00Z on 2007-01-03Temperature 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 00:00Z on 2007-01-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 133 square meters per square second.1939587897Sfc1 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
1983 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
133 m²/s²
0-3 km storm-relative helicity
157 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 031108
WSWREV

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE RENO NV
308 AM PST WED JAN 3 2007

...SIGNIFICANT SNOW IN THE SIERRA TONIGHT AND THURSDAY...

.A FAST MOVING PACIFIC STORM SYSTEM WILL APPROACH THE REGION
TODAY AND THURSDAY AND MOVE EAST OF THE AREA ON FRIDAY
MORNING. STRONG WINDS AND PERIODS OF HEAVY SNOW ARE EXPECTED.
TRAVEL CONDITIONS WILL DETERIORATE RAPIDLY IN THE SIERRA.

CAZ071-040000-
/O.UPG.KREV.WS.A.0001.070104T0600Z-070105T0000Z/
/O.NEW.KREV.WS.W.0001.070104T0600Z-070105T0000Z/
LASSEN-EASTERN PLUMAS-EASTERN SIERRA COUNTIES-
INCLUDING THE CITIES OF...PORTOLA...SUSANVILLE...WESTWOOD...
SIERRAVILLE
308 AM PST WED JAN 3 2007

...WINTER STORM WARNING IN EFFECT FROM 10 PM THIS EVENING TO 4 PM
PST THURSDAY...

THE NATIONAL WEATHER SERVICE IN RENO HAS ISSUED A WINTER STORM
WARNING...WHICH IS IN EFFECT FROM 10 PM THIS EVENING TO 4 PM PST
THURSDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. 

RAIN AND SNOW WILL BEGIN IN THE NORTHERN SIERRA THIS EVENING
AND INCREASE IN INTENSITY TONIGHT AND THURSDAY. SNOW LEVELS WILL
BEGIN ABOVE 6000 FEET THIS EVENING AND LOWER TO VALLEY FLOORS
BY THURSDAY MORNING. PERIODS OF MODERATE TO HEAVY SNOW ARE
EXPECTED THROUGH THURSDAY MORNING. STRONG WINDS WILL ALSO CREATE
AREAS OF BLOWING AND DRIFTING SNOW MAKING TRAVEL
HAZARDOUS...ESPECIALLY ABOVE 5500 FEET. THE SNOW WILL TAPER TO
SHOWERS THURSDAY AFTERNOON.

TOTAL SNOW ACCUMULATIONS OF 8 TO 15 INCHES ARE EXPECTED ABOVE
5500 FEET WITH UP TO 8 INCHES BETWEEN 4500 AND 5500 FEET MAINLY
WEST OF HIGHWAY 395. ACCUMULATIONS UP TO 4 INCHES OF SNOW ARE
POSSIBLE DOWN TO VALLEY FLOORS.

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.

$$

CAZ072-NVZ002-040000-
/O.UPG.KREV.WS.A.0001.070104T1200Z-070105T0600Z/
/O.NEW.KREV.WS.W.0001.070104T1200Z-070105T0600Z/
GREATER LAKE TAHOE AREA-
INCLUDING THE CITIES OF...SOUTH LAKE TAHOE...TAHOE CITY...
TRUCKEE...MARKLEEVILLE...GLENBROOK...INCLINE VILLAGE
308 AM PST WED JAN 3 2007

...WINTER STORM WARNING IN EFFECT FROM 4 AM TO 10 PM PST
THURSDAY...

THE NATIONAL WEATHER SERVICE IN RENO HAS ISSUED A WINTER STORM
WARNING...WHICH IS IN EFFECT FROM 4 AM TO 10 PM PST THURSDAY. THE
WINTER STORM WATCH IS NO LONGER IN EFFECT. 

RAIN AND SNOW WILL BEGIN IN THE TAHOE BASIN TONIGHT AND INCREASE
IN INTENSITY THROUGH THURSDAY AFTERNOON. SNOW LEVELS WILL BEGIN
ABOVE 7000 FEET TONIGHT AND LOWER TO LAKE LEVEL THURSDAY
MORNING. PERIODS OF MODERATE TO HEAVY SNOW ARE EXPECTED THROUGH
THURSDAY AFTERNOON. STRONG WINDS WILL ALSO CREATE AREAS OF BLOWING
AND DRIFTING SNOW MAKING TRAVEL HAZARDOUS... ESPECIALLY OVER THE
PASSES. THE SNOW WILL TAPER TO SHOWERS BY THURSDAY EVENING.

TOTAL SNOW ACCUMULATIONS OF 4 TO 8 INCHES ARE EXPECTED AT LAKE
LEVEL...WITH 10 TO 18 INCHES ABOVE 7000 FEET THROUGH THURSDAY
EVENING.

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.

$$

BENINATO

HTTP://WEATHER.GOV/RENO
5 follow-up statements
000 
WWUS45 KREV 032340
WSWREV

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE RENO NV
340 PM PST WED JAN 3 2007

...SIGNIFICANT SNOW IN THE SIERRA AND NORTHWESTERN NEVADA TONIGHT
AND THURSDAY...

.A FAST MOVING PACIFIC STORM SYSTEM WILL APPROACH THE REGION
THIS EVENING AND THURSDAY AND MOVE EAST OF THE AREA BY FRIDAY
MORNING. STRONG WINDS AND PERIODS OF HEAVY SNOW ARE EXPECTED.
TRAVEL CONDITIONS WILL DETERIORATE RAPIDLY IN THE SIERRA.

CAZ071-040745-
/O.EXT.KREV.WS.W.0001.070104T0600Z-070104T2000Z/
LASSEN-EASTERN PLUMAS-EASTERN SIERRA COUNTIES-
INCLUDING THE CITIES OF...PORTOLA...SUSANVILLE...WESTWOOD...
SIERRAVILLE
340 PM PST WED JAN 3 2007

...WINTER STORM WARNING NOW IN EFFECT FROM 10 PM THIS EVENING TO
12 PM PST THURSDAY...

THE WINTER STORM WARNING IS NOW IN EFFECT FROM 10 PM THIS EVENING
TO 12 PM PST THURSDAY. 

RAIN AND SNOW WILL BEGIN IN THE NORTHERN SIERRA THIS EVENING AND
INCREASE IN INTENSITY TONIGHT AND THURSDAY. SNOW LEVELS WILL
BEGIN ABOVE 5500 FEET THIS EVENING AND LOWER TO VALLEY FLOORS 
OVERNIGHT. PERIODS OF MODERATE TO HEAVY SNOW ARE EXPECTED THROUGH
THURSDAY MORNING. STRONG WINDS WILL ALSO CREATE AREAS OF BLOWING
AND DRIFTING SNOW MAKING TRAVEL HAZARDOUS...ESPECIALLY ABOVE 5500
FEET. THE SNOW WILL TAPER TO SHOWERS AROUND NOON THURSDAY.

TOTAL SNOW ACCUMULATIONS OF 8 TO 15 INCHES ARE EXPECTED ABOVE
5500 FEET WITH UP TO 8 INCHES BETWEEN 4500 AND 5500 FEET MAINLY
WEST OF HIGHWAY 395. ACCUMULATIONS UP TO 4 INCHES OF SNOW ARE
POSSIBLE DOWN TO VALLEY FLOORS.

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.

$$

CAZ072-NVZ002-040745-
/O.EXT.KREV.WS.W.0001.070104T1200Z-070105T0000Z/
GREATER LAKE TAHOE AREA-
INCLUDING THE CITIES OF...SOUTH LAKE TAHOE...TAHOE CITY...
TRUCKEE...MARKLEEVILLE...GLENBROOK...INCLINE VILLAGE
340 PM PST WED JAN 3 2007

...WINTER STORM WARNING NOW IN EFFECT FROM 4 AM TO 4 PM PST
THURSDAY...

THE WINTER STORM WARNING IS NOW IN EFFECT FROM 4 AM TO 4 PM PST
THURSDAY. 

RAIN AND SNOW WILL BEGIN IN THE TAHOE BASIN TONIGHT AND INCREASE
IN INTENSITY THROUGH THURSDAY AFTERNOON. SNOW LEVELS WILL BEGIN
ABOVE 7000 FEET TONIGHT AND LOWER TO LAKE LEVEL THURSDAY MORNING.
PERIODS OF MODERATE TO HEAVY SNOW ARE EXPECTED THROUGH THURSDAY
AFTERNOON. STRONG WINDS WILL ALSO CREATE AREAS OF BLOWING AND
DRIFTING SNOW MAKING TRAVEL HAZARDOUS... ESPECIALLY OVER THE
PASSES. THE SNOW WILL TAPER TO SHOWERS BY THURSDAY EVENING.

TOTAL SNOW ACCUMULATIONS OF 5 TO 10 INCHES ARE EXPECTED AT LAKE
LEVEL...WITH 12 TO 20 INCHES ABOVE 7000 FEET THROUGH THURSDAY
EVENING.

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.

$$

CAZ070-NVZ005-040745-
/O.NEW.KREV.SN.Y.0001.070104T0600Z-070104T1800Z/
SURPRISE VALLEY CALIFORNIA-NORTHERN WASHOE COUNTY-
INCLUDING THE CITIES OF...CEDARVILLE...EAGLEVILLE...
FORT BIDWELL...EMPIRE...GERLACH
340 PM PST WED JAN 3 2007

...SNOW ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 10 AM PST
THURSDAY...

THE NATIONAL WEATHER SERVICE IN RENO HAS ISSUED A SNOW ADVISORY...
WHICH IS IN EFFECT FROM 10 PM THIS EVENING TO 10 AM PST THURSDAY.

RAIN AND SNOW WILL BEGIN THIS EVENING ACROSS SURPRISE VALLEY AND
NORTHERN WASHOE COUNTY. SNOW LEVELS WILL BEGIN AROUND 5500 FEET
TONIGHT AND LOWER TO THE VALLEY FLOORS OVERNIGHT. PERIODS OF
MODERATE TO HEAVY SNOW ARE EXPECTED THROUGH THURSDAY MORNING.
STRONG WINDS WILL ALSO CREATE AREAS OF BLOWING AND DRIFTING SNOW
MAKING TRAVEL HAZARDOUS. SNOW WILL TAPER TO SHOWERS BY LATE
THURSDAY MORNING.

TOTAL SNOW ACCUMULATIONS OF 2 TO 4 INCHES ARE EXPECTED WITH 4 TO
6 INCHES ABOVE 5000 FEET THROUGH THURSDAY MORNING.

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.

$$

NVZ003-040745-
/O.NEW.KREV.SN.Y.0001.070104T1200Z-070104T2200Z/
GREATER RENO-CARSON CITY-MINDEN AREA-
INCLUDING THE CITIES OF...SPARKS...VERDI...GARDNERVILLE
340 PM PST WED JAN 3 2007

...SNOW ADVISORY IN EFFECT FROM 4 AM TO 2 PM PST THURSDAY ABOVE 
5000 FEET...

THE NATIONAL WEATHER SERVICE IN RENO HAS ISSUED A SNOW ADVISORY...
WHICH IS IN EFFECT FROM 4 AM TO 2 PM PST THURSDAY. 

RAIN AND SNOW WILL BEGIN EARLY THURSDAY MORNING ACROSS THE 
RENO-CARSON CITY-MINDEN AREA. SNOW LEVELS WILL BEGIN ABOVE 5000
FEET THURSDAY MORNING AND LOWER TO THE VALLEY FLOORS BY NOON.
PERIODS OF MODERATE TO HEAVY SNOW ARE EXPECTED THROUGH THURSDAY.
SNOW WILL TAPER TO SHOWERS BY THURSDAY AFTERNOON.

TOTAL SNOW ACCUMULATIONS OF 2 TO 5 INCHES ARE EXPECTED ABOVE 5000
FEET...WITH AROUND 1 INCH ON THE VALLEY FLOOR BY THURSDAY
AFTERNOON.

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.

$$

CAZ073-040745-
/O.NEW.KREV.SN.Y.0001.070104T1800Z-070105T0600Z/
MONO-
INCLUDING THE CITIES OF...BRIDGEPORT...COLEVILLE...LEE VINING...
MAMMOTH LAKES
340 PM PST WED JAN 3 2007

...SNOW ADVISORY IN EFFECT FROM 10 AM TO 10 PM PST THURSDAY ABOVE 
6000 FEET...

THE NATIONAL WEATHER SERVICE IN RENO HAS ISSUED A SNOW ADVISORY...
WHICH IS IN EFFECT FROM 10 AM TO 10 PM PST THURSDAY. 

RAIN AND SNOW WILL BEGIN LATE THURSDAY MORNING ACROSS MONO COUNTY. 
SNOW LEVELS WILL BEGIN ABOVE 6000 FEET THURSDAY MORNING AND LOWER
TO THE VALLEY FLOORS BY THE AFTERNOON. PERIODS OF MODERATE TO
HEAVY SNOW ARE EXPECTED THROUGH THURSDAY EVENING. STRONG WINDS
WILL ALSO CREATE AREAS OF BLOWING AND DRIFTING SNOW MAKING TRAVEL
HAZARDOUS...MAINLY OVER THE HIGHER PASSES. SNOW WILL TAPER TO
SHOWERS BY THURSDAY NIGHT.

TOTAL SNOW ACCUMULATIONS OF 6 TO 12 INCHES ARE EXPECTED ABOVE 7000
FEET...MAINLY ALONG AND WEST OF HIGHWAY 395. EXPECT 3 TO 6 INCHES
BELOW 7000 FEET BY THURSDAY NIGHT.

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.

$$


HTTP://WEATHER.GOV/RENO
000 
WWUS45 KREV 040557
WSWREV

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE RENO NV
957 PM PST WED JAN 3 2007

...SIGNIFICANT SNOW IN THE SIERRA AND NORTHWESTERN NEVADA TONIGHT
AND THURSDAY...

.A FAST MOVING PACIFIC STORM SYSTEM WILL AFFECT THE REGION TONIGHT AND
THURSDAY...THEN MOVE EAST OF THE AREA BY FRIDAY MORNING. STRONG
WINDS AND PERIODS OF HEAVY SNOW ARE EXPECTED. TRAVEL CONDITIONS
WILL DETERIORATE RAPIDLY IN THE SIERRA.

CAZ072-NVZ002-041300-
/O.EXT.KREV.WS.W.0001.070104T0600Z-070105T0000Z/
GREATER LAKE TAHOE AREA-
INCLUDING THE CITIES OF...SOUTH LAKE TAHOE...TAHOE CITY...
TRUCKEE...MARKLEEVILLE...GLENBROOK...INCLINE VILLAGE
957 PM PST WED JAN 3 2007

...WINTER STORM WARNING NOW IN EFFECT UNTIL 4 PM PST THURSDAY...

THE WINTER STORM WARNING IS NOW IN EFFECT UNTIL 4 PM PST
THURSDAY. 

RAIN AND SNOW WILL INCREASE IN THE TAHOE BASIN TONIGHT WITH SNOW
LEVELS LOWERING TO LAKE LEVEL AFTER MIDNIGHT. THE SNOW WILL
INCREASE IN INTENSITY OVERNIGHT...WITH PERIODS OF MODERATE TO
HEAVY SNOW EXPECTED THROUGH THURSDAY AFTERNOON. STRONG WINDS WILL
ALSO CREATE AREAS OF BLOWING AND DRIFTING SNOW MAKING TRAVEL
HAZARDOUS... ESPECIALLY OVER THE PASSES. THE SNOW WILL TAPER TO
SHOWERS BY THURSDAY EVENING.

TOTAL SNOW ACCUMULATIONS OF 5 TO 10 INCHES ARE EXPECTED AT LAKE
LEVEL...WITH 12 TO 20 INCHES ABOVE 7000 FEET THROUGH THURSDAY
EVENING.

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.

$$

CAZ071-041300-
/O.CON.KREV.WS.W.0001.070104T0600Z-070104T2000Z/
LASSEN-EASTERN PLUMAS-EASTERN SIERRA COUNTIES-
INCLUDING THE CITIES OF...PORTOLA...SUSANVILLE...WESTWOOD...
SIERRAVILLE
957 PM PST WED JAN 3 2007

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 12 PM PST
THURSDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 12 PM PST
THURSDAY. 

RAIN AND SNOW WILL INCREASE IN INTENSITY TONIGHT AND EARLY THURSDAY.
SNOW LEVELS WILL LOWER TO VALLEY FLOORS OVERNIGHT. PERIODS OF
MODERATE TO HEAVY SNOW ARE EXPECTED THROUGH THURSDAY MORNING.
STRONG WINDS WILL ALSO CREATE AREAS OF BLOWING AND DRIFTING SNOW
MAKING TRAVEL DIFFICULT...ESPECIALLY ABOVE 5500 FEET. THE SNOW
WILL TAPER TO SHOWERS BY EARLY AFTERNOON THURSDAY.

TOTAL SNOW ACCUMULATIONS OF 8 TO 15 INCHES ARE EXPECTED ABOVE
5500 FEET WITH UP TO 8 INCHES BETWEEN 4500 AND 5500 FEET MAINLY
WEST OF HIGHWAY 395. ACCUMULATIONS UP TO 4 INCHES OF SNOW ARE
POSSIBLE DOWN TO VALLEY FLOORS.

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.

$$

CAZ070-NVZ005-041300-
/O.CON.KREV.SN.Y.0001.070104T0600Z-070104T1800Z/
SURPRISE VALLEY CALIFORNIA-NORTHERN WASHOE COUNTY-
INCLUDING THE CITIES OF...CEDARVILLE...EAGLEVILLE...
FORT BIDWELL...EMPIRE...GERLACH
957 PM PST WED JAN 3 2007

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THURSDAY...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THURSDAY. 

RAIN AND SNOW WILL INCREASE THIS EVENING ACROSS SURPRISE VALLEY AND
NORTHERN WASHOE COUNTY. SNOW LEVELS WILL LOWER TO THE VALLEY
FLOORS OVERNIGHT. PERIODS OF MODERATE TO HEAVY SNOW ARE EXPECTED
THROUGH THURSDAY MORNING. STRONG WINDS WILL ALSO CREATE AREAS OF
BLOWING AND DRIFTING SNOW MAKING TRAVEL DIFFICULT. SNOW WILL
TAPER TO SHOWERS BY LATE THURSDAY MORNING.

TOTAL SNOW ACCUMULATIONS OF 2 TO 4 INCHES ARE EXPECTED WITH 4 TO
6 INCHES ABOVE 5000 FEET THROUGH THURSDAY MORNING.

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.

$$

NVZ003-041300-
/O.CON.KREV.SN.Y.0001.070104T1200Z-070104T2200Z/
GREATER RENO-CARSON CITY-MINDEN AREA-
INCLUDING THE CITIES OF...SPARKS...VERDI...GARDNERVILLE
957 PM PST WED JAN 3 2007

...SNOW ADVISORY REMAINS IN EFFECT FROM 4 AM TO 2 PM PST
THURSDAY...

A SNOW ADVISORY REMAINS IN EFFECT FROM 4 AM TO 2 PM PST THURSDAY.

RAIN AND SNOW WILL BEGIN TONIGHT ACROSS THE RENO-CARSON CITY-
MINDEN AREA. SNOW LEVELS WILL REMAIN ABOVE 5000 FEET TONIGHT THEN
FALL TO VALLEY FLOORS BY NOON THURSDAY. PERIODS OF MODERATE TO
HEAVY SNOW ARE EXPECTED THROUGH THURSDAY. SNOW WILL TAPER TO
SHOWERS BY LATE THURSDAY AFTERNOON.

TOTAL SNOW ACCUMULATIONS OF 2 TO 5 INCHES ARE EXPECTED ABOVE
5000 FEET...WITH AROUND 1 INCH ON THE VALLEY FLOOR BY THURSDAY
AFTERNOON.

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.

$$

CAZ073-041300-
/O.CON.KREV.SN.Y.0001.070104T1800Z-070105T0600Z/
MONO-
INCLUDING THE CITIES OF...BRIDGEPORT...COLEVILLE...LEE VINING...
MAMMOTH LAKES
957 PM PST WED JAN 3 2007

...SNOW ADVISORY REMAINS IN EFFECT FROM 10 AM TO 10 PM PST
THURSDAY...

A SNOW ADVISORY REMAINS IN EFFECT FROM 10 AM TO 10 PM PST
THURSDAY. 

RAIN AND SNOW WILL BEGIN THURSDAY MORNING ACROSS MONO COUNTY.
SNOW LEVELS WILL BEGIN ABOVE 6000 FEET THURSDAY MORNING AND LOWER
TO THE VALLEY FLOORS BY THE AFTERNOON. PERIODS OF MODERATE TO
HEAVY SNOW ARE EXPECTED THROUGH THURSDAY EVENING. STRONG WINDS
WILL ALSO CREATE AREAS OF BLOWING AND DRIFTING SNOW MAKING TRAVEL
DIFFICULT...MAINLY OVER THE HIGHER PASSES. SNOW WILL TAPER TO
SHOWERS BY THURSDAY NIGHT.

TOTAL SNOW ACCUMULATIONS OF 6 TO 12 INCHES ARE EXPECTED ABOVE
7000 FEET...MAINLY ALONG AND WEST OF HIGHWAY 395. EXPECT 3 TO
6 INCHES BELOW 7000 FEET BY THURSDAY NIGHT.

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.

$$


HTTP://WEATHER.GOV/RENO
000 
WWUS45 KREV 041259
WSWREV

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE RENO NV
459 AM PST THU JAN 4 2007


CAZ071-042000-
/O.CON.KREV.WS.W.0001.000000T0000Z-070104T2000Z/
LASSEN-EASTERN PLUMAS-EASTERN SIERRA COUNTIES-
INCLUDING THE CITIES OF...PORTOLA...SUSANVILLE...WESTWOOD...
SIERRAVILLE
459 AM PST THU JAN 4 2007

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON PST TODAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON PST TODAY. 

SNOW LEVELS NEAR 5000 FEET WILL LOWER TO ALL VALLEY FLOORS BY
AROUND SUNRISE. PERIODS OF MODERATE TO HEAVY SNOW ARE EXPECTED THROUGH
THURSDAY MORNING. ALSO...HIGHER PASSES WILL EXPERIENCE BLOWING AND
DRIFTING SNOW WITH GUSTY WINDS. THE SNOW WILL TAPER TO SHOWERS BY
EARLY AFTERNOON.

TOTAL SNOW ACCUMULATIONS OF 8 TO 15 INCHES ARE EXPECTED ABOVE
5500 FEET WITH 4 TO 8 INCHES BETWEEN 5000 AND 5500 FEET...MAINLY
WEST OF HIGHWAY 395. ACCUMULATIONS UP TO 4 INCHES OF SNOW ARE
POSSIBLE DOWN TO THE VALLEY FLOORS.

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.

$$

CAZ072-NVZ002-042100-
/O.CON.KREV.WS.W.0001.000000T0000Z-070105T0000Z/
GREATER LAKE TAHOE AREA-
INCLUDING THE CITIES OF...SOUTH LAKE TAHOE...TAHOE CITY...
TRUCKEE...MARKLEEVILLE...GLENBROOK...INCLINE VILLAGE
459 AM PST THU JAN 4 2007

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON. 

SNOW LEVELS NEAR 7000 FEET WILL QUICKLY LOWER TO LAKE LEVEL EARLY 
THIS MORNING....WITH PERIODS OF MODERATE TO HEAVY SNOW EXPECTED
THROUGH THURSDAY AFTERNOON. STRONG WINDS WILL ALSO CREATE AREAS OF
BLOWING AND DRIFTING SNOW MAKING TRAVEL HAZARDOUS...MAINLY OVER
THE PASSES. THE SNOW WILL TAPER TO SHOWERS THURSDAY EVENING.

TOTAL SNOW ACCUMULATIONS OF 4 TO 8 INCHES ARE EXPECTED AT LAKE
LEVEL...WITH 8 TO 14 INCHES ABOVE 7000 FEET THROUGH THURSDAY
EVENING.

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.

$$

NVZ003-042100-
/O.EXT.KREV.SN.Y.0001.070104T1500Z-070105T0300Z/
GREATER RENO-CARSON CITY-MINDEN AREA-
INCLUDING THE CITIES OF...SPARKS...VERDI...GARDNERVILLE
459 AM PST THU JAN 4 2007

...SNOW ADVISORY NOW IN EFFECT UNTIL 7 PM PST THIS EVENING...

THE SNOW ADVISORY IS NOW IN EFFECT UNTIL 7 PM PST THIS EVENING. 

RAIN AND SNOW HAS SPREAD ACROSS THE RENO-CARSON CITY-MINDEN AREA.
SNOW LEVELS NEAR 7000 FEET WILL FALL TO THE VALLEY FLOORS THIS
MORNING. PERIODS OF SNOW ARE EXPECTED THROUGH THURSDAY. SNOW WILL
TAPER TO SHOWERS BY LATE THURSDAY AFTERNOON.

TOTAL SNOW ACCUMULATIONS OF 2 TO 4 INCHES ARE EXPECTED ABOVE
5000 FEET...WITH UP TO INCH ON THE LOWER VALLEY FLOORS BY THURSDAY
EVENING.

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-NVZ005-041800-
/O.CON.KREV.SN.Y.0001.000000T0000Z-070104T1800Z/
SURPRISE VALLEY CALIFORNIA-NORTHERN WASHOE COUNTY-
INCLUDING THE CITIES OF...CEDARVILLE...EAGLEVILLE...
FORT BIDWELL...EMPIRE...GERLACH
459 AM PST THU JAN 4 2007

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS MORNING...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS MORNING. 

PERIODS OF SNOW ARE EXPECTED THROUGH THURSDAY MORNING. SNOW WILL
TAPER TO SHOWERS BY LATE THURSDAY MORNING.

TOTAL SNOW ACCUMULATIONS OF 1 TO 4 INCHES ARE EXPECTED WITH 3 TO
6 INCHES ABOVE 5000 FEET THROUGH THURSDAY MORNING.

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.

$$

CAZ073-042100-
/O.CON.KREV.SN.Y.0001.070104T1800Z-070105T0600Z/
MONO-
INCLUDING THE CITIES OF...BRIDGEPORT...COLEVILLE...LEE VINING...
MAMMOTH LAKES
459 AM PST THU JAN 4 2007

...SNOW ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING TO
10 PM PST THIS EVENING...

A SNOW ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING TO
10 PM PST THIS EVENING. 

RAIN AND SNOW WILL BEGIN THURSDAY MORNING ACROSS MONO COUNTY.
SNOW LEVELS WILL BEGIN ABOVE 6000 FEET THURSDAY MORNING AND LOWER
TO THE VALLEY FLOORS BY THE AFTERNOON. PERIODS OF MODERATE TO
HEAVY SNOW ARE EXPECTED THROUGH THURSDAY EVENING. STRONG WINDS
WILL ALSO CREATE AREAS OF BLOWING AND DRIFTING SNOW MAKING TRAVEL
DIFFICULT...MAINLY OVER THE HIGHER PASSES. SNOW WILL TAPER TO
SHOWERS BY THURSDAY NIGHT.

TOTAL SNOW ACCUMULATIONS OF 6 TO 12 INCHES ARE EXPECTED ABOVE
7000 FEET...MAINLY ALONG AND WEST OF HIGHWAY 395. EXPECT 3 TO
6 INCHES BELOW 7000 FEET BY THURSDAY NIGHT.

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.

$$


HTTP://WEATHER.GOV/RENO
000 
WWUS45 KREV 041801
WSWREV

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE RENO NV
1001 AM PST THU JAN 4 2007

CAZ071-041915-
/O.CAN.KREV.WS.W.0001.000000T0000Z-070104T2000Z/
LASSEN-EASTERN PLUMAS-EASTERN SIERRA COUNTIES-
INCLUDING THE CITIES OF...PORTOLA...SUSANVILLE...WESTWOOD...
SIERRAVILLE
1001 AM PST THU JAN 4 2007

...WINTER STORM WARNING IS CANCELLED...

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

STEADY SNOW HAS ENDED ABOVE 5000 FEET WITH ONLY SNOW SHOWERS
EXPECTED THE REMAINDER OF THE DAY AS SNOW LEVELS HAVE NOW FALLEN
TO THE VALLEY FLOOR. ANY ADDITIONAL ACCUMULATION WILL BE 2 INCHES
OR LESS.

$$

CAZ070-NVZ005-041915-
/O.EXP.KREV.SN.Y.0001.000000T0000Z-070104T1800Z/
SURPRISE VALLEY CALIFORNIA-NORTHERN WASHOE COUNTY-
INCLUDING THE CITIES OF...CEDARVILLE...EAGLEVILLE...
FORT BIDWELL...EMPIRE...GERLACH
1001 AM PST THU JAN 4 2007

...SNOW ADVISORY WILL EXPIRE AT 10 AM PST THIS MORNING...

THE SNOW ADVISORY WILL EXPIRE AT 10 AM PST THIS MORNING. 

SNOW HAS TAPERED TO SNOW SHOWERS ACROSS EXTREME NORTHEAST
CALIFORNIA AND EXTREME NORTHWEST NEVADA. ANY ADDITIONAL
ACCUMULATION WILL BE LOCALIZED AND AN INCH OR LESS.

$$

CAZ072-NVZ002-050000-
/O.CON.KREV.WS.W.0001.000000T0000Z-070105T0000Z/
GREATER LAKE TAHOE AREA-
INCLUDING THE CITIES OF...SOUTH LAKE TAHOE...TAHOE CITY...
TRUCKEE...MARKLEEVILLE...GLENBROOK...INCLINE VILLAGE
1001 AM PST THU JAN 4 2007

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON. 

SNOW LEVELS HAVE LOWERED TO LAKE LEVEL WITH PERIODS OF MODERATE TO
HEAVY SNOW OCCURRING IN THE LAKE TAHOE BASIN. EXPECT SNOWFALL
RATES OF UP TO 2 INCHES PER HOUR TO CONTINUE INTO THE AFTERNOON. STRONG
WINDS OVER THE RIDGES AND HIGHER PASSES WILL MAKE TRAVEL HAZARDOUS
WITH LOCAL BLIZZARD CONDITIONS. THE SNOW WILL TAPER TO SHOWERS
THIS EVENING.

TOTAL SNOW ACCUMULATIONS OF 5 TO 10 INCHES ARE EXPECTED AT LAKE
LEVEL...WITH 10 TO 20 INCHES ABOVE 7000 FEET THROUGH THURSDAY
EVENING.

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.

$$

NVZ003-050015-
/O.CON.KREV.SN.Y.0001.000000T0000Z-070105T0300Z/
GREATER RENO-CARSON CITY-MINDEN AREA-
INCLUDING THE CITIES OF...SPARKS...VERDI...GARDNERVILLE
1001 AM PST THU JAN 4 2007

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 7 PM PST THIS EVENING...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 7 PM PST THIS EVENING. 

RAIN AND SNOW CONTINUES ACROSS THE RENO-CARSON CITY-MINDEN AREA.
SNOW LEVELS NEAR 5000 FEET WILL FALL TO THE VALLEY FLOORS BY EARLY
AFTERNOON. PERIODS OF SNOW ARE EXPECTED THROUGH LATE AFTERNOON.
SNOW WILL TAPER TO SHOWERS BY EARLY THIS EVENING.

TOTAL SNOW ACCUMULATIONS OF 2 TO 4 INCHES ARE EXPECTED ABOVE
5000 FEET...WITH UP TO INCH ON THE LOWER VALLEY FLOORS BY
THURSDAY EVENING.

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.

$$

CAZ073-050015-
/O.CON.KREV.SN.Y.0001.000000T0000Z-070105T0600Z/
MONO-
INCLUDING THE CITIES OF...BRIDGEPORT...COLEVILLE...LEE VINING...
MAMMOTH LAKES
1001 AM PST THU JAN 4 2007

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING. 

RAIN AND SNOW WILL BEGIN THURSDAY MORNING ACROSS MONO COUNTY.
SNOW LEVELS WILL BEGIN NEAR 7000 FEET THURSDAY MORNING AND LOWER
TO THE VALLEY FLOORS BY THE AFTERNOON. PERIODS OF MODERATE TO
HEAVY SNOW ARE EXPECTED THROUGH THURSDAY EVENING. STRONG WINDS
WILL ALSO CREATE AREAS OF BLOWING AND DRIFTING SNOW MAKING TRAVEL
DIFFICULT...MAINLY OVER THE HIGHER PASSES. SNOW WILL TAPER TO
SHOWERS BY THURSDAY NIGHT.

TOTAL SNOW ACCUMULATIONS OF 6 TO 12 INCHES ARE EXPECTED ABOVE
7000 FEET...MAINLY ALONG AND WEST OF HIGHWAY 395. EXPECT 3 TO
6 INCHES BELOW 7000 FEET BY THURSDAY NIGHT.

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.

$$


HTTP://WEATHER.GOV/RENO
000 
WWUS45 KREV 042359
WSWREV

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE RENO NV
359 PM PST THU JAN 4 2007

CAZ072-NVZ002-050100-
/O.EXP.KREV.WS.W.0001.000000T0000Z-070105T0000Z/
GREATER LAKE TAHOE AREA-
INCLUDING THE CITIES OF...SOUTH LAKE TAHOE...TAHOE CITY...
TRUCKEE...MARKLEEVILLE...GLENBROOK...INCLINE VILLAGE
359 PM PST THU JAN 4 2007

...WINTER STORM WARNING WILL EXPIRE AT 4 PM PST THIS AFTERNOON...

THE WINTER STORM WARNING WILL EXPIRE AT 4 PM PST THIS AFTERNOON. 

BANDS OF SNOW SHOWERS WILL MOVE ACROSS THE LAKE TAHOE BASIN
THROUGH EARLY THIS EVENING WITH ADDITIONAL ACCUMULATIONS OF 1 TO
3 INCHES. THE THREAT FOR WIDESPREAD HEAVY SNOWFALL HAS DIMINISHED.

$$

NVZ003-050300-
/O.CON.KREV.SN.Y.0001.000000T0000Z-070105T0300Z/
GREATER RENO-CARSON CITY-MINDEN AREA-
INCLUDING THE CITIES OF...SPARKS...VERDI...GARDNERVILLE
359 PM PST THU JAN 4 2007

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 7 PM PST THIS EVENING...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 7 PM PST THIS EVENING. 

BANDS OF SNOW SHOWERS WILL MOVE ACROSS THE RENO-SPARKS REGION AND
THE CARSON VALLEY THROUGH EARLY THIS EVENING...PRODUCING BRIEF
PERIODS OF LOCALLY HEAVY SNOWFALL AND POOR VISIBILITY.

ADDITIONAL SNOW ACCUMULATIONS OF 1 TO 3 INCHES ARE EXPECTED BY 7
PM THIS EVENING.

ROAD SURFACES THAT ARE CURRENTLY WET WILL FREEZE TOWARD
SUNSET...WITH NEW SNOWFALL ACCUMULATING ON UNTREATED ROADS. THE
PRESENCE OF PATCHY BLACK ICE AND SNOW COVERED ROADS WILL PRODUCE
HAZARDOUS DRIVING CONDITIONS FOR THE EVENING RUSH HOUR.

$$

CAZ073-050600-
/O.CON.KREV.SN.Y.0001.000000T0000Z-070105T0600Z/
MONO-
INCLUDING THE CITIES OF...BRIDGEPORT...COLEVILLE...LEE VINING...
MAMMOTH LAKES
359 PM PST THU JAN 4 2007

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING. 

SNOW WILL TAPER TO SCATTERED SNOW SHOWERS THIS EVENING. ADDITIONAL
SNOW ACCUMULATIONS OF 1 TO 3 INCHES ARE EXPECTED BELOW 7500
FEET MAINLY ALONG AND WEST OF HIGHWAY 395...WITH UP TO 5 INCHES
NEAR THE SIERRA CREST ABOVE 7500 FEET.

EXPECT SNOW COVERED ROADS AND LIMITED VISIBILITY THIS EVENING...AND
USE EXTRA CAUTION WHEN DRIVING.

$$
MJD

HTTP://WEATHER.GOV/RENO

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 Jan 2, 3:45 PM PST, 11 hours 23 minutes earlier.

Area forecast discussion, Jan 2, 3:45 PM PST, 11 hours 23 minutes before
AREA FORECAST DISCUSSION...CORRECTED
NATIONAL WEATHER SERVICE RENO NV
345 PM PST TUE JAN 2 2007

.SHORT TERM...
FLAT RIDGE ACROSS THE AREA PROGRESSING EAST WITH ABUNDANT MID AND
HIGH CLOUD COVER IN WEAK WAA PATTERN ALOFT. NEXT SIGNIFICANT SHORT
WAVE TO AFFECT THE AREA NOW NEARING 150W...WITH AMSU IMAGERY SHOWING
PW PLUME OF 1.25-1.50 INCHES. GFS/NAM INITIALIZED WELL AND ALL
MODELS ARE IN REMARKABLY GOOD AGREEMENT THROUGH THE SHORT TERM.
GFS/NAM IN GOOD AGREEMENT ON TIMING OF NEXT SYSTEM...AND ENSEMBLES
ALSO SHOWING LITTLE SPREAD.

TWO FORECAST ISSUES WITH INCOMING SYSTEM...WIND AND PRECIP. AS FAR
AS WIND POTENTIAL...BOTH NAM/GFS SHOW 50-60 KTS AT H7 BY 00Z
TOMORROW AND LASTING THROUGH 12Z THU. THESE WINDS WILL OCCUR AHEAD
OF AN IMPRESSIVE LOW LEVEL FRONT. HOWEVER...NOT A TREMENDOUS AMOUNT
OF MOISTURE AHEAD OF THE FRONT...AND MODELS ARE NOT HINTING AT MUCH
OF A CRITICAL LEVEL FORMING. IN FACT...IF THERE IS A CRITICAL
LEVEL...THE ATMOSPHERE IS A BIT MORE STABLE ABOVE THIS LEVEL THAN
ONE WOULD EXPECT FOR A GOOD HIGH WIND CASE. IN ADDITION...WITH
LIMITED MOISTURE AHEAD OF THE FRONT...DO NOT EXPECT MUCH PRECIP
LOADING WEST OF THE CREST TO ENHANCE WINDS. AS IT IS...WILL LEAVE
HIGH WIND WATCH ALONE...BUT AT THIS TIME IT DOES NOT LOOK AS STRONG
AS LAST WEEKS EVENT AND WILL PROBABLY BE FOCUSED MORE ON THE
FOOTHILLS. BEST POTENTIAL FOR WINDS WILL BE 06Z-15Z RIGHT AHEAD OF
THE FRONT FROM NORTH TO SOUTH.

AS FOR PRECIP...EXPECT STRONG DYNAMICS WITH GOOD LOW LEVEL
FRONTOGENESIS ALONG FRONT WITH SOME UPPER LEVEL DIVERGENCE IN EXIT
REGION OF JET. SNOW LEVELS MAY START NEAR 6500 FEET...BUT WILL
QUICKLY FALL AS FRONT ARRIVES AND QUICKLY DROP TO NEAR 4000 FEET BY
MIDDAY THURS. PRECIP WILL BEGIN NEAR 00Z TOMORROW NEAR THE OREGON
BORDER AND NW LASSEN COUNTY TO AROUND 08Z LAKE TAHOE BASIN. HEAVIEST
PRECIP WILL FALL NEAR THE FRONT FOR A 6-HR PERIOD. SOME LOW LEVEL
INSTABILITY NEAR THE FRONT WITH GOOD FRONTOGENETICAL CIRCULATION
WILL PERMIT SOME DECENT SPILLOVER INTO THE LEE-SIDE VALLEYS. 12Z
MODELS SHOW THE FRONT PASSING THROUGH SUSANVILLE AROUND 12Z AND
RENO-TAHOE-CARSON FROM 15-18Z. AS MENTIONED ABOVE...ENSEMBLES ARE IN
GOOD AGREEMENT WITH THIS TIMING ALTHOUGH 18Z MODELS HAVE COME IN
ABOUT 3 HOURS SLOWER. PRECIP AMOUNTS OF UP TO 2 INCHES NEAR THE
CREST FROM TAHOE NORTH SUPPORT THE WATCH. FURTHER SOUTH...SYSTEM
SPLITS SO ADVISORY LOOKS TO BE A BETTER BET AND LEAVE OUT OF THE
WATCH FOR NOW. ALSO...WITH THE POTENTIAL FOR SPILLOVER AND SNOW
LEVELS 4500-5000 FEET NEAR THE FRONT...MAY NEED ADVISORIES FOR SOME
LEE SIDE VALLEYS.

AFTER FRONT PASSES...VERY COLD AIR WILL FILTER IN WITH H7 TEMPS
DROPPING AS LOW AS -18 C. LOWS THUR NIGHT SHOULD NOT BE TOO COLD
WITH A GOOD NE SFC GRADIENT AND 40KT WINDS AT H7. DURING THE DAY
FRI...IT COULD BE QUITE COLD WITH TEMPS STRUGGLING INTO THE 30S
ACROSS WESTERN NV AND INTO THE MID 20S IN THE SIERRA. IF WINDS DIE
OFF FASTER THAN EXPECTED THUR NIGHT...FRI COULD BE QUITE A BIT
COLDER AS INVERSIONS BEGIN TO DEVELOP AGAIN AS RIDGE BUILDS IN.
WALLMANN

.LONG TERM...SATURDAY THROUGH TUESDAY...
QUIET WEEKEND ON TAP FOR THE REGION. UPPER LEVEL RIDGE OFFSHORE OF
NORTHERN CAL WILL BUILD IN BEHIND THE DEPARTING TROUGH. SOME
HIGH/MID CLOUDS MAY CONTINUE TO CROSS OVER THE AREA...MODERATING
TEMPS. EXPECT HIGHS TO REACH LOW FORTIES OVER THE WEEKEND IN THE
VALLEYS...MID THIRTIES NEAR TAHOE.  LOW TEMPS WILL BE FAIRLY COLD
ACROSS THE REGION...LOW TWENTIES IN THE VALLEYS WITH TEENS IN HIGHER
ELEVATIONS.

WE COULD START TO SEE A MAJOR PATTERN SHIFT LATE NEXT WEEK...BEYOND
THIS PERIOD. MEDIUM RANGE MODELS INDICATING A RETROGRADING RIDGE AND
DEEP UPPER TROUGH OVER THE WEST COAST. THERE IS STILL A LOT OF
UNCERTAINTY WITH THIS PATTERN CHANGE THOUGH. HOON

&&

.AVIATION...
VFR CONDITIONS WITH INCREASED MID AND HIGH LEVEL MOISTURE. SOUTHWEST
WINDS WILL ALSO INCREASE TOMORROW AS THE STORM SYSTEM APPROACHES.
HOON

&&

.REV WATCHES/WARNINGS/ADVISORIES...
NV...HIGH WIND WATCH FROM WEDNESDAY AFTERNOON THROUGH THURSDAY
          MORNING FOR NVZ001-003-005.
     HIGH WIND WATCH FROM WEDNESDAY AFTERNOON THROUGH LATE WEDNESDAY
          NIGHT FOR NVZ002.
     WINTER STORM WATCH FROM LATE WEDNESDAY NIGHT THROUGH THURSDAY
          EVENING FOR NVZ002.

CA...HIGH WIND WATCH FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY
          EVENING FOR CAZ071.
     HIGH WIND WATCH FROM WEDNESDAY AFTERNOON THROUGH THURSDAY
          MORNING FOR CAZ070-073.
     HIGH WIND WATCH FROM WEDNESDAY AFTERNOON THROUGH LATE WEDNESDAY
          NIGHT FOR CAZ072.
     WINTER STORM WATCH FROM WEDNESDAY EVENING THROUGH THURSDAY
          AFTERNOON FOR CAZ071.
     WINTER STORM WATCH FROM LATE WEDNESDAY NIGHT THROUGH THURSDAY
          EVENING FOR CAZ072.

&&

HTTP://WEATHER.GOV/RENO

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 3, 2:04 AM PSTWind AdvisoryREVAlpine, El Dorado, Lassen, Modoc, Mono, Nevada and 3 more32 hr
Jan 3, 3:40 PM PSTSnow AdvisoryREVModoc, Mono35 hr

Nearby

Winter Storm Warnings in California, 2007Winter Storm Warnings in Nevada, 2007Every winter storm warning in 2007

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.