Alert archive / California / Winter Storm Watches in 2016
Winter Storm Watch 2, NWS Reno, NV
NWS Reno, NV issued this winter storm watch at Jan 4, 2016, 2:39 PM PST for 5 counties in California; Douglas County, Washoe County, Nevada. It took effect at Jan 6, 2016, 10:00 AM PST. It was in force for .
The area
The counties it named.
The facts
- Issued
- Jan 4, 2016, 2:39 PM PST (22:39 UTC)
- In effect from
- Jan 6, 2016, 10:00 AM PST
- Expired
- Jan 5, 2016, 1:42 PM 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 22:42 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, 10.7 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1462 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 49 m²/s²
- 0-3 km storm-relative helicity
- 76 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
705 WWUS45 KREV 042239 WSWREV URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE RENO NV 239 PM PST MON JAN 4 2016 CAZ073-051200- /O.NEW.KREV.WS.A.0002.160106T1800Z-160107T1200Z/ /O.CON.KREV.WS.W.0001.160105T1500Z-160106T0600Z/ MONO- INCLUDING THE CITIES OF...BRIDGEPORT...MAMMOTH LAKES 239 PM PST MON JAN 4 2016 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 7 AM TO 10 PM PST TUESDAY... ...WINTER STORM WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH LATE WEDNESDAY NIGHT... THE NATIONAL WEATHER SERVICE IN RENO HAS ISSUED A WINTER STORM WATCH...WHICH IS IN EFFECT FROM WEDNESDAY MORNING THROUGH LATE WEDNESDAY NIGHT. * TIMING: SNOW WILL BEGIN TUESDAY MORNING WITH THE HEAVIEST SNOW ANTICIPATED BETWEEN 10 AM AND 8 PM. * SNOW ACCUMULATIONS: 4 TO 8 INCHES ALONG HIGHWAY 395...10 TO 20 INCHES IN THE HIGH SIERRA WEST OF HIGHWAY 395 INCLUDING MAMMOTH...1 TO 3 INCHES ALONG HIGHWAY 6...AND 5 TO 10 INCHES IN THE WHITE MOUNTAINS. * WINDS: SOUTH WINDS GUSTING TO 25 MPH IN THE VALLEYS... WITH MUCH STRONGER GUSTS OF 80 TO 100 MPH ON THE RIDGES. * IMPACTS: HIGH CONFIDENCE IN SIGNIFICANT TRAVEL IMPACTS AND DELAYS ALONG HIGHWAY 395 DUE TO HEAVY SNOWFALL. CHAIN CONTROLS ARE ALMOST CERTAIN. BACKCOUNTRY AREAS...ESPECIALLY THOSE ABOVE 10000 FEET...WILL SEE BLIZZARD CONDITIONS DUE TO STRONG WINDS AND SNOW. * WEDNESDAY: A SECOND STORM IS LIKELY TO BRING MORE SNOW WEDNESDAY...WITH THE HEAVIEST IN THE AFTERNOON AND EVENING. 3 TO 7 INCHES ALONG HIGHWAY 395...8 TO 18 INCHES IN THE HIGH SIERRA WEST OF HIGHWAY 395...AND 4 TO 8 INCHES IN THE WHITE MOUNTAINS. PLAN ON ADDITIONAL TRAVEL DELAYS AND CHAIN CONTROLS ALONG HIGHWAY 395 BETWEEN GARDNERVILLE AND BISHOP WEDNESDAY AND WEDNESDAY NIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... AVOID TRAVEL IF POSSIBLE...YOU COULD BE STUCK IN YOUR VEHICLE FOR MANY HOURS. IF YOU MUST TRAVEL...PREPARE FOR LONG DELAYS AND CARRY AN EMERGENCY KIT WITH EXTRA FOOD...WATER AND CLOTHING. IF YOU STAY HOME...HAVE A BACKUP PLAN IN CASE OF POWER OUTAGES. && $$ CAZ072-NVZ002-051200- /O.NEW.KREV.WS.A.0002.160106T1800Z-160107T1200Z/ /O.CON.KREV.WW.Y.0001.160105T1000Z-160106T0000Z/ GREATER LAKE TAHOE AREA- INCLUDING THE CITIES OF...SOUTH LAKE TAHOE...TRUCKEE... INCLINE VILLAGE 239 PM PST MON JAN 4 2016 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 2 AM TO 4 PM PST TUESDAY... ...WINTER STORM WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH LATE WEDNESDAY NIGHT... THE NATIONAL WEATHER SERVICE IN RENO HAS ISSUED A WINTER STORM WATCH...WHICH IS IN EFFECT FROM WEDNESDAY MORNING THROUGH LATE WEDNESDAY NIGHT. * TIMING: SNOW WILL BEGIN EARLY TUESDAY MORNING WITH THE HEAVIEST SNOW ANTICIPATED BETWEEN 4 AM AND 4 PM TUESDAY. * SNOW ACCUMULATIONS: 4 TO 8 INCHES IN THE VALLEYS AND AT LAKE TAHOE LEVEL...8 TO 15 INCHES IN THE MOUNTAINS WITH THE HIGHEST AMOUNTS ALONG THE SIERRA CREST WEST OF LAKE TAHOE. * WINDS: SOUTH WINDS GUSTING TO 25 MPH IN THE VALLEYS...WITH MUCH STRONGER GUSTS OF 80 TO 100 MPH ON THE RIDGES. * IMPACTS: SIERRA PASSES WILL BE IMPACTED BY HEAVY SNOWS AND CHAIN CONTROLS ARE ALMOST CERTAIN. BACKCOUNTRY AREAS... ESPECIALLY THOSE ABOVE 10000 FEET...WILL SEE BLIZZARD CONDITIONS DUE TO STRONG WINDS AND SNOW. * WEDNESDAY: A SECOND STORM IS LIKELY TO BRING MORE SNOW WEDNESDAY...WITH THE HEAVIEST IN THE AFTERNOON AND EVENING. 4 TO 7 INCHES IN THE VALLEYS AND AT LAKE TAHOE LEVEL...8 TO 16 INCHES IN THE MOUNTAINS WITH THE HIGHEST AMOUNTS ALONG THE SIERRA CREST WEST OF LAKE TAHOE. PLAN ON ADDITIONAL TRAVEL DELAYS AND CHAIN CONTROLS ALONG INTERSTATE 80...HIGHWAY 50...AND ALL TAHOE AREA HIGHWAYS WEDNESDAY AND WEDNESDAY NIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... EVEN LIGHT SNOWFALL CAUSES MAJOR TRAVEL DELAYS...ESPECIALLY DURING PERIODS OF HIGH TRAFFIC VOLUME. BE SURE TO ALLOW EXTRA TIME TO REACH YOUR DESTINATION. LEAVE EXTRA SPACE BETWEEN VEHICLES SINCE IT TAKES LONGER TO STOP ON SLICK ROADWAYS. && $$ CAZ071-051200- /O.CON.KREV.WW.Y.0001.160105T0600Z-160106T0000Z/ LASSEN-EASTERN PLUMAS-EASTERN SIERRA COUNTIES- INCLUDING THE CITIES OF...PORTOLA...SUSANVILLE 239 PM PST MON JAN 4 2016 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 4 PM PST TUESDAY... * TIMING: SNOW WILL BEGIN TONIGHT WITH THE HEAVIEST SNOW ANTICIPATED FROM MIDNIGHT THROUGH NOON TUESDAY. * SNOW ACCUMULATIONS: EAST OF HIGHWAY 395...2 TO 4 INCHES. ALONG AND WEST OF HIGHWAY 395...3 TO 6 INCHES. UP TO 10 INCHES POSSIBLE IN THE MOUNTAINS WEST OF HIGHWAY 89. * IMPACTS: HIGH CONFIDENCE FOR SIGNIFICANT TRAVEL IMPACTS WITH DELAYS AND CHAIN CONTROLS ON AREA ROADS...ESPECIALLY HIGHWAYS 395 AND 89. PRECAUTIONARY/PREPAREDNESS ACTIONS... EVEN LIGHT SNOWFALL CAUSES MAJOR TRAVEL DELAYS...ESPECIALLY DURING PERIODS OF HIGH TRAFFIC VOLUME. BE SURE TO ALLOW EXTRA TIME TO REACH YOUR DESTINATION. LEAVE EXTRA SPACE BETWEEN VEHICLES SINCE IT TAKES LONGER TO STOP ON SLICK ROADWAYS. && $$ NVZ003-051200- /O.CON.KREV.WW.Y.0001.160105T1500Z-160106T0300Z/ GREATER RENO-CARSON CITY-MINDEN AREA- INCLUDING THE CITIES OF...SPARKS...GARDNERVILLE...VIRGINIA CITY 239 PM PST MON JAN 4 2016 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 7 AM TO 7 PM PST TUESDAY... * TIMING: PERIODS OF SNOW WILL SPILLOVER INTO WESTERN NEVADA TUESDAY MORNING THROUGH THE EARLY EVENING...HOWEVER THERE REMAINS UNCERTAINTY ON EXACT TIMING. SNOW COULD IMPACT THE MORNING COMMUTE IN THE FOOTHILL REGIONS WEST OF 395... WHILE IMPACTING A MORE WIDESPREAD AREA FOR THE AFTERNOON AND EVENING COMMUTE. * SNOW ACCUMULATIONS: GENERALLY 1 TO 4 INCHES...WITH POTENTIAL FOR 2 TO 5 INCHES ABOVE 5000 FEET INCLUDING VIRGINIA CITY...AND SOUTH OF CARSON CITY. THERE IS POTENTIAL FOR TEMPERATURES IN THE LOWEST VALLEYS TO WARM ENOUGH TO LIMIT ACCUMULATIONS FOR RENO AND CARSON CITY BELOW 5000 FEET TO NO MORE THAN AN INCH. * IMPACTS: HIGH CONFIDENCE IN SNOW COVERED ROADS AND TRAVEL DELAYS ABOVE 5000 FEET AND ALSO SOUTH OF CARSON CITY. ONLY MEDIUM CONFIDENCE IN IMPACTS BELOW 5000 FEET...HOWEVER TRAVELERS SHOULD PLAN ON SOME EXTRA TIME IN CASE SNOW BECOMES HEAVY ENOUGH TO COVER ROADS IN RENO AND CARSON CITY. PRECAUTIONARY/PREPAREDNESS ACTIONS... EVEN LIGHT SNOWFALL CAUSES MAJOR TRAVEL DELAYS...ESPECIALLY DURING PERIODS OF HIGH TRAFFIC VOLUME. BE SURE TO ALLOW EXTRA TIME TO REACH YOUR DESTINATION. LEAVE EXTRA SPACE BETWEEN VEHICLES SINCE IT TAKES LONGER TO STOP ON SLICK ROADWAYS. && $$ CAZ070-NVZ005-051200- /O.CON.KREV.WW.Y.0001.160105T1200Z-160106T0200Z/ SURPRISE VALLEY CALIFORNIA-NORTHERN WASHOE COUNTY- INCLUDING THE CITIES OF...CEDARVILLE...FORT BIDWELL...EMPIRE... GERLACH 239 PM PST MON JAN 4 2016 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 4 AM TO 6 PM PST TUESDAY... * TIMING: PERIODS OF SNOW WILL DEVELOP ON AND OFF DURING THE DAY TUESDAY. THE PRECISE TIMING OF SNOW REMAINS UNCERTAIN. * SNOW ACCUMULATIONS: GENERALLY 1 TO 4 INCHES. * IMPACTS: HIGH CONFIDENCE IN SNOW COVERED ROADS AND TRAVEL DELAYS ACROSS NORTHEAST CALIFORNIA AND FAR NORTHWEST NEVADA INCLUDING THE SURPRISE VALLEY AND AREAS NORTH OF GERLACH. PRECAUTIONARY/PREPAREDNESS ACTIONS... EVEN LIGHT SNOWFALL CAUSES MAJOR TRAVEL DELAYS...ESPECIALLY DURING PERIODS OF HIGH TRAFFIC VOLUME. BE SURE TO ALLOW EXTRA TIME TO REACH YOUR DESTINATION. LEAVE EXTRA SPACE BETWEEN VEHICLES SINCE IT TAKES LONGER TO STOP ON SLICK ROADWAYS. && $$ HTTP://WEATHER.GOV/RENO
3 follow-up statements
544 WWUS45 KREV 051035 WSWREV URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE RENO NV 235 AM PST TUE JAN 5 2016 CAZ073-060000- /O.CON.KREV.WS.W.0001.160105T1500Z-160106T0600Z/ /O.CON.KREV.WS.A.0002.160106T1800Z-160107T1200Z/ MONO- INCLUDING THE CITIES OF...BRIDGEPORT...MAMMOTH LAKES 235 AM PST TUE JAN 5 2016 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 7 AM THIS MORNING TO 10 PM PST THIS EVENING... ...WINTER STORM WATCH REMAINS IN EFFECT FROM WEDNESDAY MORNING THROUGH LATE WEDNESDAY NIGHT... * TIMING: SNOW WILL BEGIN THIS MORNING WITH THE HEAVIEST SNOW ANTICIPATED BETWEEN 10 AM AND 8 PM. * SNOW ACCUMULATIONS: 4 TO 8 INCHES ALONG HIGHWAY 395...10 TO 20 INCHES IN THE HIGH SIERRA WEST OF HIGHWAY 395 INCLUDING MAMMOTH...1 TO 3 INCHES ALONG HIGHWAY 6...AND 5 TO 10 INCHES IN THE WHITE MOUNTAINS. * WINDS: SOUTH WINDS GUSTING TO 25 MPH IN THE VALLEYS... WITH MUCH STRONGER GUSTS OF 80 TO 100 MPH ON THE RIDGES. * IMPACTS: HIGH CONFIDENCE IN SIGNIFICANT TRAVEL IMPACTS AND DELAYS ALONG HIGHWAY 395 DUE TO HEAVY SNOWFALL. CHAIN CONTROLS ARE ALMOST CERTAIN. BACKCOUNTRY AREAS...ESPECIALLY THOSE ABOVE 10000 FEET...WILL SEE BLIZZARD CONDITIONS DUE TO STRONG WINDS AND SNOW. * WEDNESDAY: A SECOND STORM IS LIKELY TO BRING MORE SNOW WEDNESDAY...WITH THE HEAVIEST IN THE AFTERNOON AND EVENING. 3 TO 7 INCHES ALONG HIGHWAY 395...8 TO 18 INCHES IN THE HIGH SIERRA WEST OF HIGHWAY 395...AND 4 TO 8 INCHES IN THE WHITE MOUNTAINS. PLAN ON ADDITIONAL TRAVEL DELAYS AND CHAIN CONTROLS ALONG HIGHWAY 395 BETWEEN GARDNERVILLE AND BISHOP WEDNESDAY AND WEDNESDAY NIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... AVOID TRAVEL IF POSSIBLE...YOU COULD BE STUCK IN YOUR VEHICLE FOR MANY HOURS. IF YOU MUST TRAVEL...PREPARE FOR LONG DELAYS AND CARRY AN EMERGENCY KIT WITH EXTRA FOOD...WATER AND CLOTHING. IF YOU STAY HOME...HAVE A BACKUP PLAN IN CASE OF POWER OUTAGES. && $$ CAZ072-NVZ002-060000- /O.CON.KREV.WW.Y.0001.000000T0000Z-160106T0000Z/ /O.CON.KREV.WS.A.0002.160106T1800Z-160107T1200Z/ GREATER LAKE TAHOE AREA- INCLUDING THE CITIES OF...SOUTH LAKE TAHOE...TRUCKEE... INCLINE VILLAGE 235 AM PST TUE JAN 5 2016 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST THIS AFTERNOON... ...WINTER STORM WATCH REMAINS IN EFFECT FROM WEDNESDAY MORNING THROUGH LATE WEDNESDAY NIGHT... * TIMING: SNOW THIS MORNING WILL BECOME HEAVY WITH THE HEAVIEST SNOW ANTICIPATED BETWEEN 4 AM AND 4 PM. * SNOW ACCUMULATIONS: 4 TO 8 INCHES IN THE VALLEYS AND AT LAKE TAHOE LEVEL...8 TO 15 INCHES IN THE MOUNTAINS WITH THE HIGHEST AMOUNTS ALONG THE SIERRA CREST WEST OF LAKE TAHOE. * WINDS: SOUTH WINDS GUSTING TO 25 MPH IN THE VALLEYS...WITH MUCH STRONGER GUSTS OF 80 TO 100 MPH ON THE RIDGES. * IMPACTS: SIERRA PASSES WILL BE IMPACTED BY HEAVY SNOWS AND CHAIN CONTROLS ARE ALMOST CERTAIN. BACKCOUNTRY AREAS... ESPECIALLY THOSE ABOVE 10000 FEET...WILL SEE BLIZZARD CONDITIONS DUE TO STRONG WINDS AND SNOW. * WEDNESDAY: A SECOND STORM IS LIKELY TO BRING MORE SNOW WEDNESDAY...WITH THE HEAVIEST IN THE AFTERNOON AND EVENING. 4 TO 7 INCHES IN THE VALLEYS AND AT LAKE TAHOE LEVEL...8 TO 16 INCHES IN THE MOUNTAINS WITH THE HIGHEST AMOUNTS ALONG THE SIERRA CREST WEST OF LAKE TAHOE. PLAN ON ADDITIONAL TRAVEL DELAYS AND CHAIN CONTROLS ALONG INTERSTATE 80... HIGHWAY 50...AND ALL TAHOE AREA HIGHWAYS WEDNESDAY AND WEDNESDAY NIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... EVEN LIGHT SNOWFALL CAUSES MAJOR TRAVEL DELAYS...ESPECIALLY DURING PERIODS OF HIGH TRAFFIC VOLUME. BE SURE TO ALLOW EXTRA TIME TO REACH YOUR DESTINATION. LEAVE EXTRA SPACE BETWEEN VEHICLES SINCE IT TAKES LONGER TO STOP ON SLICK ROADWAYS. && $$ CAZ071-060000- /O.CON.KREV.WW.Y.0001.000000T0000Z-160106T0000Z/ LASSEN-EASTERN PLUMAS-EASTERN SIERRA COUNTIES- INCLUDING THE CITIES OF...PORTOLA...SUSANVILLE 235 AM PST TUE JAN 5 2016 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST THIS AFTERNOON... * TIMING: HEAVY SNOW IS EXPECTED TO CONTINUE THROUGH ABOUT NOON WITH LIGHTER SNOW SHOWERS THEREAFTER. * SNOW ACCUMULATIONS: EAST OF HIGHWAY 395...2 TO 4 INCHES. ALONG AND WEST OF HIGHWAY 395...3 TO 6 INCHES. UP TO 10 INCHES POSSIBLE IN THE MOUNTAINS WEST OF HIGHWAY 89. * IMPACTS: HIGH CONFIDENCE FOR SIGNIFICANT TRAVEL IMPACTS WITH DELAYS AND CHAIN CONTROLS ON AREA ROADS...ESPECIALLY HIGHWAYS 395 AND 89. PRECAUTIONARY/PREPAREDNESS ACTIONS... EVEN LIGHT SNOWFALL CAUSES MAJOR TRAVEL DELAYS...ESPECIALLY DURING PERIODS OF HIGH TRAFFIC VOLUME. BE SURE TO ALLOW EXTRA TIME TO REACH YOUR DESTINATION. LEAVE EXTRA SPACE BETWEEN VEHICLES SINCE IT TAKES LONGER TO STOP ON SLICK ROADWAYS. && $$ NVZ003-060000- /O.CON.KREV.WW.Y.0001.160105T1500Z-160106T0300Z/ GREATER RENO-CARSON CITY-MINDEN AREA- INCLUDING THE CITIES OF...SPARKS...GARDNERVILLE...VIRGINIA CITY 235 AM PST TUE JAN 5 2016 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 7 AM THIS MORNING TO 7 PM PST THIS EVENING... * TIMING: PERIODS OF SNOW WILL SPILLOVER INTO WESTERN NEVADA THIS MORNING THROUGH THE EARLY EVENING...HOWEVER THERE REMAINS UNCERTAINTY ON EXACT TIMING. SNOW COULD IMPACT THE MORNING COMMUTE IN THE FOOTHILL REGIONS WEST OF 395... WHILE IMPACTING A MORE WIDESPREAD AREA FOR THE AFTERNOON AND EVENING COMMUTE. * SNOW ACCUMULATIONS: GENERALLY 1 TO 4 INCHES...WITH POTENTIAL FOR 2 TO 5 INCHES ABOVE 5000 FEET INCLUDING VIRGINIA CITY... AND SOUTH OF CARSON CITY. THERE IS POTENTIAL FOR TEMPERATURES IN THE LOWEST VALLEYS TO WARM ENOUGH TO LIMIT ACCUMULATIONS FOR RENO AND CARSON CITY BELOW 5000 FEET TO NO MORE THAN AN INCH. * IMPACTS: HIGH CONFIDENCE IN SNOW COVERED ROADS AND TRAVEL DELAYS ABOVE 5000 FEET AND ALSO SOUTH OF CARSON CITY. ONLY MEDIUM CONFIDENCE IN IMPACTS BELOW 5000 FEET...HOWEVER TRAVELERS SHOULD PLAN ON SOME EXTRA TIME IN CASE SNOW BECOMES HEAVY ENOUGH TO COVER ROADS IN RENO AND CARSON CITY. PRECAUTIONARY/PREPAREDNESS ACTIONS... EVEN LIGHT SNOWFALL CAUSES MAJOR TRAVEL DELAYS...ESPECIALLY DURING PERIODS OF HIGH TRAFFIC VOLUME. BE SURE TO ALLOW EXTRA TIME TO REACH YOUR DESTINATION. LEAVE EXTRA SPACE BETWEEN VEHICLES SINCE IT TAKES LONGER TO STOP ON SLICK ROADWAYS. && $$ CAZ070-NVZ005-060000- /O.CON.KREV.WW.Y.0001.160105T1200Z-160106T0200Z/ SURPRISE VALLEY CALIFORNIA-NORTHERN WASHOE COUNTY- INCLUDING THE CITIES OF...CEDARVILLE...FORT BIDWELL...EMPIRE... GERLACH 235 AM PST TUE JAN 5 2016 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM PST THIS EVENING... * TIMING: PERIODS OF SNOW WILL DEVELOP ON AND OFF DURING THE DAY TODAY. * SNOW ACCUMULATIONS: GENERALLY 1 TO 4 INCHES. * IMPACTS: HIGH CONFIDENCE IN SNOW COVERED ROADS AND TRAVEL DELAYS ACROSS NORTHEAST CALIFORNIA AND FAR NORTHWEST NEVADA INCLUDING THE SURPRISE VALLEY AND AREAS NORTH OF GERLACH. PRECAUTIONARY/PREPAREDNESS ACTIONS... EVEN LIGHT SNOWFALL CAUSES MAJOR TRAVEL DELAYS...ESPECIALLY DURING PERIODS OF HIGH TRAFFIC VOLUME. BE SURE TO ALLOW EXTRA TIME TO REACH YOUR DESTINATION. LEAVE EXTRA SPACE BETWEEN VEHICLES SINCE IT TAKES LONGER TO STOP ON SLICK ROADWAYS. && $$ HTTP://WEATHER.GOV/RENO
881 WWUS45 KREV 051729 WSWREV URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE RENO NV 929 AM PST TUE JAN 5 2016 CAZ073-060530- /O.CON.KREV.WS.W.0001.000000T0000Z-160106T0600Z/ /O.CON.KREV.WS.A.0002.160106T1800Z-160107T1200Z/ MONO- INCLUDING THE CITIES OF...BRIDGEPORT...MAMMOTH LAKES 929 AM PST TUE JAN 5 2016 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING... ...WINTER STORM WATCH REMAINS IN EFFECT FROM WEDNESDAY MORNING THROUGH LATE WEDNESDAY NIGHT... * TIMING: SNOW WILL BEGIN THIS MORNING WITH THE HEAVIEST SNOW ANTICIPATED BETWEEN NOON AND 8 PM. * SNOW ACCUMULATIONS: 4 TO 8 INCHES ALONG HIGHWAY 395...10 TO 20 INCHES IN THE HIGH SIERRA WEST OF HIGHWAY 395 INCLUDING MAMMOTH...1 TO 3 INCHES ALONG HIGHWAY 6...AND 5 TO 10 INCHES IN THE WHITE MOUNTAINS. * WINDS: SOUTH WINDS GUSTING TO 25 MPH IN THE VALLEYS... WITH MUCH STRONGER GUSTS OF 80 TO 100 MPH ON THE RIDGES. * IMPACTS: HIGH CONFIDENCE IN SIGNIFICANT TRAVEL IMPACTS AND DELAYS ALONG HIGHWAY 395 DUE TO HEAVY SNOWFALL. CHAIN CONTROLS ARE ALMOST CERTAIN. BACKCOUNTRY AREAS...ESPECIALLY THOSE ABOVE 10000 FEET...WILL SEE BLIZZARD CONDITIONS DUE TO STRONG WINDS AND SNOW. * WEDNESDAY: A SECOND STORM IS LIKELY TO BRING MORE SNOW WEDNESDAY...WITH THE HEAVIEST IN THE AFTERNOON AND EVENING. 3 TO 7 INCHES ALONG HIGHWAY 395...8 TO 18 INCHES IN THE HIGH SIERRA WEST OF HIGHWAY 395...AND 4 TO 8 INCHES IN THE WHITE MOUNTAINS. PLAN ON ADDITIONAL TRAVEL DELAYS AND CHAIN CONTROLS ALONG HIGHWAY 395 BETWEEN GARDNERVILLE AND BISHOP WEDNESDAY AND WEDNESDAY NIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... AVOID TRAVEL IF POSSIBLE...YOU COULD BE STUCK IN YOUR VEHICLE FOR MANY HOURS. IF YOU MUST TRAVEL...PREPARE FOR LONG DELAYS AND CARRY AN EMERGENCY KIT WITH EXTRA FOOD...WATER AND CLOTHING. IF YOU STAY HOME...HAVE A BACKUP PLAN IN CASE OF POWER OUTAGES. && $$ CAZ072-NVZ002-060530- /O.CON.KREV.WW.Y.0001.000000T0000Z-160106T0000Z/ /O.CON.KREV.WS.A.0002.160106T1800Z-160107T1200Z/ GREATER LAKE TAHOE AREA- INCLUDING THE CITIES OF...SOUTH LAKE TAHOE...TRUCKEE... INCLINE VILLAGE 929 AM PST TUE JAN 5 2016 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST THIS AFTERNOON... ...WINTER STORM WATCH REMAINS IN EFFECT FROM WEDNESDAY MORNING THROUGH LATE WEDNESDAY NIGHT... * TIMING: SNOW THIS MORNING WILL BECOME HEAVY WITH THE HEAVIEST SNOW ANTICIPATED BETWEEN NOON AND 4 PM. * SNOW ACCUMULATIONS: 4 TO 8 INCHES IN THE VALLEYS AND AT LAKE TAHOE LEVEL...8 TO 15 INCHES IN THE MOUNTAINS WITH THE HIGHEST AMOUNTS ALONG THE SIERRA CREST WEST OF LAKE TAHOE. * WINDS: SOUTH WINDS GUSTING TO 25 MPH IN THE VALLEYS...WITH MUCH STRONGER GUSTS OF 80 TO 100 MPH ON THE RIDGES. * IMPACTS: SIERRA PASSES WILL BE IMPACTED BY HEAVY SNOWS AND CHAIN CONTROLS ARE ALMOST CERTAIN. BACKCOUNTRY AREAS... ESPECIALLY THOSE ABOVE 10000 FEET...WILL SEE BLIZZARD CONDITIONS DUE TO STRONG WINDS AND SNOW. * WEDNESDAY: A SECOND STORM IS LIKELY TO BRING MORE SNOW WEDNESDAY...WITH THE HEAVIEST IN THE AFTERNOON AND EVENING. 4 TO 7 INCHES IN THE VALLEYS AND AT LAKE TAHOE LEVEL...8 TO 16 INCHES IN THE MOUNTAINS WITH THE HIGHEST AMOUNTS ALONG THE SIERRA CREST WEST OF LAKE TAHOE. PLAN ON ADDITIONAL TRAVEL DELAYS AND CHAIN CONTROLS ALONG INTERSTATE 80... HIGHWAY 50... AND ALL TAHOE AREA HIGHWAYS WEDNESDAY AND WEDNESDAY NIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... EVEN LIGHT SNOWFALL CAUSES MAJOR TRAVEL DELAYS...ESPECIALLY DURING PERIODS OF HIGH TRAFFIC VOLUME. BE SURE TO ALLOW EXTRA TIME TO REACH YOUR DESTINATION. LEAVE EXTRA SPACE BETWEEN VEHICLES SINCE IT TAKES LONGER TO STOP ON SLICK ROADWAYS. && $$ CAZ071-060000- /O.CON.KREV.WW.Y.0001.000000T0000Z-160106T0000Z/ LASSEN-EASTERN PLUMAS-EASTERN SIERRA COUNTIES- INCLUDING THE CITIES OF...PORTOLA...SUSANVILLE 929 AM PST TUE JAN 5 2016 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST THIS AFTERNOON... * TIMING: HEAVY SNOW IS EXPECTED TO CONTINUE THROUGH ABOUT NOON WITH LIGHTER SNOW SHOWERS THEREAFTER. * SNOW ACCUMULATIONS: EAST OF HIGHWAY 395...2 TO 4 INCHES. ALONG AND WEST OF HIGHWAY 395...3 TO 6 INCHES. UP TO 10 INCHES POSSIBLE IN THE MOUNTAINS WEST OF HIGHWAY 89. * IMPACTS: HIGH CONFIDENCE FOR SIGNIFICANT TRAVEL IMPACTS WITH DELAYS AND CHAIN CONTROLS ON AREA ROADS...ESPECIALLY HIGHWAYS 395 AND 89. PRECAUTIONARY/PREPAREDNESS ACTIONS... EVEN LIGHT SNOWFALL CAUSES MAJOR TRAVEL DELAYS...ESPECIALLY DURING PERIODS OF HIGH TRAFFIC VOLUME. BE SURE TO ALLOW EXTRA TIME TO REACH YOUR DESTINATION. LEAVE EXTRA SPACE BETWEEN VEHICLES SINCE IT TAKES LONGER TO STOP ON SLICK ROADWAYS. && $$ NVZ003-060300- /O.CON.KREV.WW.Y.0001.000000T0000Z-160106T0300Z/ GREATER RENO-CARSON CITY-MINDEN AREA- INCLUDING THE CITIES OF...SPARKS...GARDNERVILLE...VIRGINIA CITY 929 AM PST TUE JAN 5 2016 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 PM PST THIS EVENING... * TIMING: PERIODS OF SNOW WILL SPILLOVER INTO WESTERN NEVADA THIS MORNING THROUGH THE EARLY EVENING...HOWEVER THERE REMAINS UNCERTAINTY ON EXACT TIMING. SNOW COULD IMPACT THE MORNING COMMUTE IN THE FOOTHILL REGIONS WEST OF 395... WHILE IMPACTING A MORE WIDESPREAD AREA FOR THE AFTERNOON AND EVENING COMMUTE. * SNOW ACCUMULATIONS: GENERALLY UP TO 3 INCHES...WITH POTENTIAL FOR 2 TO 5 INCHES ABOVE 5000 FEET INCLUDING VIRGINIA CITY...AND SOUTH OF CARSON CITY. THERE IS POTENTIAL FOR TEMPERATURES IN THE LOWEST VALLEYS TO WARM ENOUGH TO LIMIT ACCUMULATIONS FOR RENO AND CARSON CITY BELOW 5000 FEET TO LESS THAN AN INCH. * IMPACTS: HIGH CONFIDENCE IN SNOW COVERED ROADS AND TRAVEL DELAYS ABOVE 5000 FEET AND ALSO SOUTH OF CARSON CITY. ONLY MEDIUM CONFIDENCE IN IMPACTS BELOW 5000 FEET...HOWEVER TRAVELERS SHOULD PLAN ON SOME EXTRA TIME IN CASE SNOW BECOMES HEAVY ENOUGH TO COVER ROADS IN RENO AND CARSON CITY. PRECAUTIONARY/PREPAREDNESS ACTIONS... EVEN LIGHT SNOWFALL CAUSES MAJOR TRAVEL DELAYS...ESPECIALLY DURING PERIODS OF HIGH TRAFFIC VOLUME. BE SURE TO ALLOW EXTRA TIME TO REACH YOUR DESTINATION. LEAVE EXTRA SPACE BETWEEN VEHICLES SINCE IT TAKES LONGER TO STOP ON SLICK ROADWAYS. && $$ CAZ070-NVZ005-060200- /O.CON.KREV.WW.Y.0001.000000T0000Z-160106T0200Z/ SURPRISE VALLEY CALIFORNIA-NORTHERN WASHOE COUNTY- INCLUDING THE CITIES OF...CEDARVILLE...FORT BIDWELL...EMPIRE... GERLACH 929 AM PST TUE JAN 5 2016 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM PST THIS EVENING... * TIMING: PERIODS OF SNOW WILL DEVELOP ON AND OFF DURING THE DAY TODAY. * SNOW ACCUMULATIONS: GENERALLY 1 TO 4 INCHES. * IMPACTS: HIGH CONFIDENCE IN SNOW COVERED ROADS AND TRAVEL DELAYS ACROSS NORTHEAST CALIFORNIA AND FAR NORTHWEST NEVADA INCLUDING THE SURPRISE VALLEY AND AREAS NORTH OF GERLACH. PRECAUTIONARY/PREPAREDNESS ACTIONS... EVEN LIGHT SNOWFALL CAUSES MAJOR TRAVEL DELAYS...ESPECIALLY DURING PERIODS OF HIGH TRAFFIC VOLUME. BE SURE TO ALLOW EXTRA TIME TO REACH YOUR DESTINATION. LEAVE EXTRA SPACE BETWEEN VEHICLES SINCE IT TAKES LONGER TO STOP ON SLICK ROADWAYS. && $$ HTTP://WEATHER.GOV/RENO
323 WWUS45 KREV 052142 WSWREV URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE RENO NV 142 PM PST TUE JAN 5 2016 CAZ070-NVZ005-052245- /O.CAN.KREV.WW.Y.0001.000000T0000Z-160106T0200Z/ SURPRISE VALLEY CALIFORNIA-NORTHERN WASHOE COUNTY- 142 PM PST TUE JAN 5 2016 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN RENO HAS CANCELLED THE WINTER WEATHER ADVISORY. ADDITIONAL LIGHT SNOW SHOWERS WILL BE POSSIBLE INTO THIS EVENING. HOWEVER...SNOWFALL AMOUNTS ARE EXPECTED TO REMAIN MINIMAL SO THE WINTER WEATHER ADVISORY IS CANCELLED. $$ CAZ073-061200- /O.UPG.KREV.WS.A.0002.160106T1800Z-160107T1200Z/ /O.NEW.KREV.WW.Y.0002.160106T1800Z-160107T1200Z/ /O.CON.KREV.WS.W.0001.000000T0000Z-160106T0600Z/ MONO- INCLUDING THE CITIES OF...BRIDGEPORT...MAMMOTH LAKES 142 PM PST TUE JAN 5 2016 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING... ...WINTER WEATHER ADVISORY IN EFFECT FROM 10 AM WEDNESDAY TO 4 AM PST THURSDAY... THE NATIONAL WEATHER SERVICE IN RENO HAS ISSUED A WINTER WEATHER ADVISORY...WHICH IS IN EFFECT FROM 10 AM WEDNESDAY TO 4 AM PST THURSDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING: SNOW WILL TAPER OFF TO SCATTERED SHOWERS BY LATE THIS EVENING. SNOW WILL INTENSIFY AND SPREAD OVER THE REGION AGAIN BY LATE WEDNESDAY MORNING AND CONTINUE THROUGH WEDNESDAY NIGHT... WITH THE HEAVIEST SNOW ANTICIPATED BETWEEN NOON AND 8 PM. * ADDITIONAL SNOW ACCUMULATIONS THROUGH THIS EVENING: 2 TO 4 INCHES WEST OF HIGHWAY 395...WITH UP TO AN INCH ELSEWHERE. * SNOW ACCUMULATIONS WEDNESDAY AND WEDNESDAY NIGHT: ALONG AND WEST OF HIGHWAY 395...4 TO 9 INCHES BELOW 7000 FEET WITH 10 TO 18 INCHES ABOVE 7000 FEET. LOCAL AMOUNTS UP TO TWO AND A HALF FEET SOUTH OF MONO LAKE NEAR THE SIERRA CREST. EAST OF HIGHWAY 395...2 TO 6 INCHES ARE EXPECTED. * IMPACTS: SIGNIFICANT TRAVEL IMPACTS AND CHAIN CONTROLS ALONG HIGHWAY 395. BACKCOUNTRY AREAS ABOVE 10000 FEET COULD SEE BLIZZARD CONDITIONS DUE TO STRONGER WINDS WITH THE SNOW... ESPECIALLY ON WEDNESDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... BE PREPARED FOR LONG TRAVEL DELAYS...SLOW SPEEDS AND CHAIN CONTROLS ON HIGHWAY 395 THROUGH WEDNESDAY NIGHT AND THURSDAY MORNING. IF YOU MUST TRAVEL...PREPARE FOR LONG DELAYS AND CARRY AN EMERGENCY KIT WITH EXTRA FOOD...WATER AND CLOTHING. CHECK WITH CALTRANS FOR THE LATEST ROAD CONDITIONS BEFORE TRAVELING. && $$ CAZ072-NVZ002-061200- /O.UPG.KREV.WS.A.0002.160106T1800Z-160107T1200Z/ /O.NEW.KREV.WW.Y.0002.160106T1400Z-160107T0900Z/ /O.EXT.KREV.WW.Y.0001.000000T0000Z-160106T0300Z/ GREATER LAKE TAHOE AREA- INCLUDING THE CITIES OF...SOUTH LAKE TAHOE...TRUCKEE... INCLINE VILLAGE 142 PM PST TUE JAN 5 2016 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 7 PM PST THIS EVENING... ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 AM WEDNESDAY TO 1 AM PST THURSDAY... THE NATIONAL WEATHER SERVICE IN RENO HAS ISSUED A WINTER WEATHER ADVISORY...WHICH IS IN EFFECT FROM 6 AM WEDNESDAY TO 1 AM PST THURSDAY. THE WINTER WEATHER ADVISORY IS NOW IN EFFECT UNTIL 7 PM PST THIS EVENING. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING: SNOW WILL TAPER TO SCATTERED SHOWERS THIS AFTERNOON AND EVENING. SNOW WILL INTENSIFY AND SPREAD OVER THE REGION AGAIN WEDNESDAY MORNING AND CONTINUE INTO WEDNESDAY NIGHT...WITH THE HEAVIEST SNOW ANTICIPATED BETWEEN NOON AND 8 PM. * ADDITIONAL SNOW ACCUMULATIONS THROUGH THIS EVENING: UP TO 3 INCHES...HIGHEST NORTH AND WEST OF LAKE TAHOE. * SNOW ACCUMULATIONS WEDNESDAY AND WEDNESDAY NIGHT: 4 TO 8 INCHES...WITH 8 TO 16 INCHES ABOVE 7000 FEET. * IMPACTS: SIERRA PASSES WILL BE IMPACTED BY MODERATE TO HEAVY SNOWS AND CHAIN CONTROLS...ESPECIALLY ON WEDNESDAY. LOCALIZED BLIZZARD CONDITIONS ARE POSSIBLE ABOVE 8000 FEET WEDNESDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... EVEN LIGHT SNOWFALL CAN CAUSE MAJOR TRAVEL DELAYS...ESPECIALLY DURING PERIODS OF HIGH TRAFFIC VOLUME. ALLOW EXTRA TIME TO REACH YOUR DESTINATION AND LEAVE EXTRA SPACE BETWEEN VEHICLES SINCE IT TAKES LONGER TO STOP ON SLICK ROADWAYS. CHECK WITH CALTRANS OR NDOT FOR THE LATEST ROAD CONDITIONS BEFORE TRAVELING. && $$ CAZ071-060300- /O.EXT.KREV.WW.Y.0001.000000T0000Z-160106T0300Z/ LASSEN-EASTERN PLUMAS-EASTERN SIERRA COUNTIES- INCLUDING THE CITIES OF...PORTOLA...SUSANVILLE 142 PM PST TUE JAN 5 2016 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 7 PM PST THIS EVENING... THE WINTER WEATHER ADVISORY IS NOW IN EFFECT UNTIL 7 PM PST THIS EVENING. * TIMING: LIGHT TO OCCASIONALLY MODERATE SNOW SHOWERS WILL CONTINUE INTO THIS EVENING...MAINLY WEST OF HIGHWAY 395 AND ABOVE 5000 FEET. * ADDITIONAL SNOW ACCUMULATIONS: UP TO 2 INCHES ABOVE 5000 FEET SOUTH AND WEST OF SUSANVILLE...INCLUDING HIGHWAY 36 OVER FREDONYER PASS AND HIGHWAY 49 OVER YUBA PASS. * IMPACTS: TRAVEL DELAYS AND CHAIN CONTROLS ON HIGHER AREA ROADS...INCLUDING HIGHWAYS 36 AND 49. HIGHWAY 44 WEST OF SUSANVILLE AND HIGHWAY 395 NORTH OF SUSANVILLE COULD SEE A LIGHT COATING OF SNOW IF SHOWERS CONTINUE AFTER SUNSET. PRECAUTIONARY/PREPAREDNESS ACTIONS... CARRY CHAINS...ESPECIALLY IF TRAVELING ABOVE 5000 FEET...AND BE SURE TO ALLOW EXTRA TIME TO REACH YOUR DESTINATION. LEAVE EXTRA SPACE BETWEEN VEHICLES SINCE IT TAKES LONGER TO STOP ON SLICK ROADWAYS. CHECK WITH CALTRANS FOR THE LATEST ROAD CONDITIONS BEFORE TRAVELING. && $$ NVZ003-060300- /O.CON.KREV.WW.Y.0001.000000T0000Z-160106T0300Z/ GREATER RENO-CARSON CITY-MINDEN AREA- INCLUDING THE CITIES OF...SPARKS...GARDNERVILLE...VIRGINIA CITY 142 PM PST TUE JAN 5 2016 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 PM PST THIS EVENING... * ADDITIONAL SNOW ACCUMULATIONS: LESS THAN ONE INCH. * IMPACTS: SLICK ROADS...MAINLY ABOVE 5000 FEET AND IN THE FOOTHILLS WEST OF HIGHWAY 395. ROADS MAY BE JUST WET THIS AFTERNOON BUT COULD SEE A LIGHT COATING OF ICE OR SNOW AFTER SUNSET. PRECAUTIONARY/PREPAREDNESS ACTIONS... EVEN LIGHT SNOWFALL CAUSES MAJOR TRAVEL DELAYS...ESPECIALLY DURING PERIODS OF HIGH TRAFFIC VOLUME. LEAVE EXTRA SPACE BETWEEN VEHICLES SINCE IT TAKES LONGER TO STOP ON SLICK ROADWAYS. CHECK WITH NDOT FOR THE LATEST ROAD CONDITIONS BEFORE TRAVELING. && $$ 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 4, 2:33 PM PST, 6 minutes earlier.
Area forecast discussion, Jan 4, 2:33 PM PST, 6 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE RENO NV
233 PM PST MON JAN 4 2016
.SYNOPSIS...
A MORE ACTIVE STORM PATTERN WILL SET UP ACROSS THE REGION THIS WEEK
WITH PERIODS OF IMPACT TO TRAVEL, ESPECIALLY ACROSS THE SIERRA. AT
THIS TIME, THE GREATEST IMPACTS WILL BE TUESDAY AND WEDNESDAY AS
A COUPLE OF STRONGER STORMS BRING MORE WIDESPREAD AND MODERATE
SNOWFALL POTENTIAL.
&&
.SHORT TERM...
THE SHORT TERM FORECAST IS COMPOSED OF TWO SEPARATE WINTER STORMS
DIVIDED BY A PERIOD OF ABOUT 12-18 HOURS. THE FIRST OF THESE
STORMS STARTS LATE TONIGHT AND LASTS INTO TUESDAY EVENING WHILE
THE SECOND MOVES INTO THE REGION LATE WEDNESDAY MORNING AND
SHOULD AFFECT PARTS OF THE SIERRA THROUGH THURSDAY MORNING.
THE LEADING EDGE OF PCPN MOVING NORTH ON THE WEST SIDE OF THE
SIERRA TODAY IS BECOMING SHEARED OUT AND SHOULD NOT PRODUCE
SIGNIFICANT AMOUNTS OF PCPN LATE THIS AFTERNOON AND EARLY THIS
EVENING. BUT...A LONG WAVE TROUGH MOVING INTO THE WEST COAST
TONIGHT WILL PRODUCE SIGNIFICANTLY MORE LIFT STARTING LATE THIS
EVENING AND CONTINUING INTO THE DAYTIME HOURS TUESDAY AS THE
TROUGH MOVES TROUGH THE REGION. THE JET PLACEMENT AHEAD OF THIS
TROUGH IS WELL SOUTH OF THE REGION AND IS STEERING THE GREATEST
ENERGY...AND PCPN...INTO MONO COUNTY. CONSEQUENTLY...THE HIGHEST
LIQUID AND SNOW AMOUNTS SHOULD BE FROM HIGHWAY 50 SOUTH IN THE
SIERRA AND TEMPERATURES ARE LIKELY TO BE BELOW AVERAGE FOR MOST
LOCATIONS. WINDS ALOFT HAVE BACKED OFF A BIT WITH THIS SYSTEM SO
WE HAVE DECREASED RIDGE WINDS THROUGH THE NORTHERN SIERRA...BUT
THE SOUTHERN SIERRA WINDS STILL LOOK AS THOUGH THEY COULD GUST
OVER 80 MPH. IN NORTHEAST CALIFORNIA AND FAR NORTHWEST NEVADA THE
PCPN WILL WORK ITS WAY INTO THE REGION LATE TONIGHT/EARLY
TUESDAY MORNING.
EAST OF THE SIERRA A PERIOD OF LOW TO MID LVL SOUTHERLY WINDS
WILL LIKELY HOLD OFF ANY PCPN TONIGHT. SOME PCPN IS LIKELY BY
TUESDAY MORNING SOUTH OF HIGHWAY 50 AND WEST OF HIGHWAY 95. ANY
DELAY IN PCPN MOVING INTO WESTERN NEVADA WILL ALLOW TEMPS TO RISE
WELL INTO THE 30S. THIS WOULD IMPACT THE AMOUNT OF SNOW
RECEIVED...AND COULD EVEN PRODUCE A BRIEF PERIOD OF RAIN OR A
RAIN/SNOW MIX DURING THE DAY TUESDAY. BUT...PCPN SHOULD BE HEAVY
ENOUGH AT TIMES TO DRIVE THE SNOW LEVELS TO THE VALLEY FLOORS AND
ALLOW FOR SOME ACCUMULATIONS FROM THE SURPRISE VALLEY SOUTH
THROUGH RENO AND CARSON CITY. THUS...WINTER WEATHER ADVISORIES
HAVE BEEN ADDED FOR THOSE AREAS FOR TUESDAY. PRIMARY IMPACTS WILL
BE TO TRAVEL AS ACCUMULATIONS ON THE ROADS WILL CREATE HAZARDOUS
DRIVING CONDITIONS. THE HIGHEST ACCUMULATIONS AROUND THE
RENO/CARSON CITY AREA WILL BE IN THE FOOTHILLS AND THE SOUTHERN
END OF THE CARSON VALLEY.
THIS FIRST TROUGH PUSHES EAST TUESDAY NIGHT WITH A BRIEF BREAK
EARLY WEDNESDAY. ANOTHER TROUGH IS NOW FORECAST TO TAKE A SIMILAR
TRACK WEDNESDAY AND WEDNESDAY NIGHT. THE MODELS ARE STARTING TO
PRODUCE MORE FORECAST PCPN WITH THIS STORM...BUT THERE ARE A FEW
MINOR DISCREPANCIES WITH THE FORECAST MODELS. THE JET REMAINS
SOUTH OF THE REGION SO WE ARE STILL IN THE COLD AIR AND SHOULD SEE
MAINLY SNOW...EVEN TO THE LOWEST VALLEY FLOORS. THE LOCATIONS OF
THE BEST LIFT NORTH OF THE JET WILL DETERMINE THE LOCATION OF THE
HEAVIEST PCPN. THE GFS KEEPS A BROAD AREA OF MODERATE TO HEAVY
PCPN FROM WESTERN LASSEN COUNTY SOUTH INTO MONO COUNTY ALONG THE
SIERRA CREST. THE NAM IS CONCENTRATED MORE FROM INTERSTATE 80
SOUTH THROUGH MONO COUNTY. GIVEN THE LOCATION OF THE JET AND BEING
ON THE NORTH SIDE OF A CYCLONIC CURVED JET...WE WOULD ASSUME THE
BEST LIFT WILL BE SITUATED SOUTH OF HIGHWAY 50. WITH MODEL PCPN
FORECAST TO INCREASE WE HAVE RAISED QPF FOR WEDNESDAY AND
WEDNESDAY NIGHT AND WILL ISSUE A WATCH FOR THE TAHOE BASIN AND
MONO COUNTY. NORTHEAST CALIFORNIA SHOULD RECEIVE LESS WITH THIS
SYSTEM. FOR WESTERN NEVADA SOME SNOW IS LIKELY...BUT AMOUNTS ARE
FAIRLY UNSURE AT THIS POINT. OVERALL THE FORECASTER CONFIDENCE IN
THIS SYSTEM SITS AT MEDIUM FOR THE SIERRA WHERE ISSUES REMAIN
WITH REGARD TO EXACT LOCATIONS OF THE HEAVIEST PRECIPITATION.
CONFIDENCE IS LOW ELSEWHERE AS SNOW AMOUNTS ARE VERY UNSURE. 20
.LONG TERM...THURSDAY THROUGH MONDAY...
WE HAVE MADE SOME CHANGES IN THE EXTENDED FORECAST TO REDUCE PRECIP
CHANCES FROM FRIDAY THRU MONDAY, WITH DRY CONDITIONS IN MORE AREAS
FROM SUNDAY THROUGH MONDAY. MEDIUM RANGE GUIDANCE APPEARS TO BE
TRENDING TOWARD ESTABLISHING A BLOCKING RIDGE ALONG THE WEST COAST
BY THIS WEEKEND. THERE MAY BE A WEAKER STORM SYSTEM UNDERCUTTING THE
RIDGE AND MOVING THROUGH THE REGION ON SATURDAY-SAT NIGHT, BUT
OVERALL THE TREND FAVORS A REDUCED POTENTIAL FOR WIDESPREAD OR
SIGNIFICANT SNOWFALL FROM THIS WEEKEND INTO EARLY NEXT WEEK. WHILE
FORECAST CONFIDENCE IS RATHER LOW FOR PRECIPITATION CHANCES AND
COVERAGE, THERE IS A HIGHER LEVEL OF CONFIDENCE FOR BELOW NORMAL
DAYTIME TEMPS CONTINUING INTO EARLY NEXT WEEK, WITH HIGHS
GENERALLY IN THE 30S TO NEAR 40 DEGREES EACH DAY.
FOR THURSDAY, ONGOING WINTER EVENT IS EXPECTED TO TRANSITION TO MORE
SHOWERY CONDITIONS AS UPPER LOW CENTER MOVES ACROSS CENTRAL CA.
WHILE SOME ADDITIONAL SNOW MAY ACCUMULATE NEAR THE SIERRA ON
THURSDAY, MOST OF THE HEAVIER SHOW SHOULD BE WINDING DOWN BY EARLY
MORNING. MOISTURE WRAPPING AROUND THE LOW COULD GENERATE SOME AREAS
OF LIGHTER SNOW SHOWERS ACROSS WESTERN NV, WITH UPSLOPE FLOW KEEPING
THIS POTENTIAL INTO THURSDAY NIGHT MAINLY SOUTH OF I-80 AS THE LOW
DIPS INTO SOUTHERN CA. EVEN THOUGH SNOW AMOUNTS IN WESTERN NV SHOULD
BE RATHER LIGHT (GENERALLY LESS THAN 1 INCH), THERE COULD BE SOME
TRAVEL IMPACTS ESPECIALLY IN AREAS WHERE SNOW FALLS LATE IN THE DAY.
ON FRIDAY, MOST OF THE REGION WILL BE IN BETWEEN WEATHER SYSTEMS,
WITH ONLY LEFTOVER SNOW SHOWERS POSSIBLE NEAR THE SIERRA AND ACROSS
PORTIONS OF WEST CENTRAL NV. LITTLE OR NO ADDITIONAL ACCUMULATIONS
ARE EXPECTED, AND OVERALL TRAVEL CONDITIONS SHOULD IMPROVE.
FOR THIS WEEKEND, THERE ARE GREATER INDICATIONS FOR A BREAK IN STORM
ACTIVITY AS A RIDGE DEVELOPS ALONG THE WEST COAST. THE CENTER OF
THIS RIDGE MAY DEVELOP FAR ENOUGH NORTH TO ALLOW FOR A RELATIVELY
WEAK UPPER LOW TO UNDERCUT THE RIDGE ON SATURDAY-SAT NIGHT. COMPARED
TO PREVIOUS GUIDANCE RUNS THE POTENTIAL FOR SIGNIFICANT SNOWFALL
APPEARS TO BE GREATLY REDUCED, ESPECIALLY FOR AREAS NORTH OF HIGHWAY
50. WE DID NOT COMPLETELY REMOVE SNOW CHANCES FOR SATURDAY-SAT NIGHT
EVEN IN THE NORTH ZONES AS A FEW ENSEMBLE MEMBERS STILL SHOWED A LOW
MOVING ACROSS THE SIERRA OR NORTHERN CA, BUT IF THE CURRENT DRIER
TREND CONTINUES THEN WE WOULD BE REDUCING PRECIP CHANCES EVEN
FURTHER.
FOR SUNDAY AND MONDAY, WE WENT MUCH LOWER ON SHOWER POTENTIAL DUE TO
CONTINUED PRESENCE OF THE RIDGE NEAR THE WEST COAST. WE MAY SEE
ANOTHER TROUGH SWING THROUGH OUR REGION AFTER MONDAY, BUT WE ARE
LIKELY TO BE DEALING WITH ANOTHER SPLIT SYSTEM SO WHATEVER ENERGY
GETS THROUGH TO THE SIERRA WILL PROBABLY BE WEAK. MJD
&&
.AVIATION...
FOR TONIGHT, LIGHT SNOW WILL AFFECT THE TERMINALS NEAR LAKE TAHOE
WITH CIGS/VSBY DROPPING TO MVFR AT TIMES BEFORE 10Z, THEN BECOMING
IFR AFT 10Z WITH SNOW STARTING TO ACCUMULATE ON RUNWAYS. IN LOWER
ELEVATIONS AND FARTHER SOUTH TOWARD KMMH, VFR CONDS ARE LIKELY TO
PREVAIL, BUT CIGS WILL BECOME LOWER WITH HIGHER TERRAIN BECOMING
OBSCURED LATER TONIGHT.
MORE SIGNIFICANT AVIATION IMPACTS ARE EXPECTED TUESDAY THROUGH
TUESDAY EVENING, WITH WIDESPREAD IFR OR WORSE CIGS NEAR THE SIERRA,
AND SEVERAL INCHES OF SNOW ACCUMULATING AT KTRK/KTVL/KMMH. FOR
WESTERN NV, SNOW WILL PRODUCE CIGS/VSBY DOWN TO MVFR/IFR WITH
WIDESPREAD OBSCURATION OF HIGHER TERRAIN. PAVEMENT AT WESTERN NV
TERMINALS INCLUDING KRNO/KCXP IS LIKELY TO REMAIN WET DURING MOST OF
THE DAY, THEN POSSIBLY BECOMING SLUSHY BY EARLY EVENING.
ANOTHER ROUND OF SNOW IS IN TAP FOR WEDNESDAY THROUGH THURSDAY,
PRODUCING SIGNIFICANT AVIATION IMPACTS MAINLY NEAR THE SIERRA DUE TO
ACCUMULATING SNOW AND POOR VISIBILITY. MJD
&&
.REV WATCHES/WARNINGS/ADVISORIES...
NV...WINTER WEATHER ADVISORY FROM 4 AM TO 6 PM PST TUESDAY NVZ005.
WINTER STORM WATCH FROM WEDNESDAY MORNING THROUGH LATE WEDNESDAY
NIGHT NVZ002.
WINTER WEATHER ADVISORY FROM 2 AM TO 4 PM PST TUESDAY NVZ002.
WINTER WEATHER ADVISORY FROM 7 AM TO 7 PM PST TUESDAY NVZ003.
CA...WINTER WEATHER ADVISORY FROM 10 PM THIS EVENING TO 4 PM PST
TUESDAY CAZ071.
WINTER WEATHER ADVISORY FROM 4 AM TO 6 PM PST TUESDAY CAZ070.
WINTER STORM WARNING FROM 7 AM TO 10 PM PST TUESDAY CAZ073.
WINTER STORM WATCH FROM WEDNESDAY MORNING THROUGH LATE WEDNESDAY
NIGHT CAZ072-073.
WINTER WEATHER ADVISORY FROM 2 AM TO 4 PM PST TUESDAY CAZ072.
&&
FOR MORE INFORMATION FROM THE NATIONAL WEATHER SERVICE VISIT...
HTTP://WEATHER.GOV/RENO (ALL LOWER CASE)The office that day
Everything else NWS Reno, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 4, 3:07 AM PST | Winter Storm Warning | REV | Mono | 43 hr |
| Jan 4, 3:07 AM PST | Winter Weather Advisory | REV | Alpine, El Dorado, Lassen, Modoc, Nevada, Placer and 2 more | 40 hr |
Nearby
Winter Storm Watches in California, 2016Winter Storm Watches in Nevada, 2016Every winter storm watch in 2016
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.