Alert archive / California / Winter Storm Warnings in 2021

Winter Storm Warning 10, NWS Sacramento, CA

December 14, 2021

NWS Sacramento, CA issued this winter storm warning at Dec 14, 2021, 3:03 PM PST. It took effect at Dec 15, 2021, 4:00 AM PST. It was in force for 30 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Dec 14, 2021, 3:03 PM PST (23:03 UTC)
In effect from
Dec 15, 2021, 4:00 AM PST
Expired
Dec 16, 2021, 10:00 AM PST
In force
30 hr
Issued by
NWS Sacramento, CA

The text

As transmitted.

388 
WWUS46 KSTO 142303
WSWSTO

URGENT - WINTER WEATHER MESSAGE
National Weather Service Sacramento CA
303 PM PST Tue Dec 14 2021

...Second Winter Storm to bring Snow to the Mountains and 
Foothills Wednesday into Thursday...

.Snow showers over the Sierra Nevada may continue into the
evening. A second winter storm is set to impact Northern
California early Wednesday through Thursday bringing additional
heavy mountain snow and gusty winds to the area. Snow levels will
range from 1000 to 2000 on Wednesday, gradually rising on
Thursday. Significant travel delays and difficult mountain travel
are anticipated. Strong winds will further reduce visibilities
during this event with local whiteout conditions possible.

CAZ068-151330-
/O.CAN.KSTO.WS.W.0009.000000T0000Z-211215T0200Z/
/O.UPG.KSTO.WS.A.0011.211215T1800Z-211216T1800Z/
/O.NEW.KSTO.WS.W.0010.211215T1800Z-211216T1800Z/
Western Plumas County/Lassen Park-
303 PM PST Tue Dec 14 2021

...WINTER STORM WARNING IN EFFECT FROM 10 AM WEDNESDAY TO 10 AM
PST THURSDAY...
...WINTER STORM WARNING IS CANCELLED...

* WHAT...Heavy snow expected. Travel will be very difficult to
  impossible, including during the evening commute on Wednesday.
  Total snow accumulations of 12 to 18 inches, with localized
  amounts up to 3 feet, are expected.

* WHERE...Western Plumas County/Lassen Park.

* WHEN...10 AM Wednesday to 10 AM Thursday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for snow means there will be snow covered
roads and limited visibilities. Travel is not recommended while
the warning is in effect. If you must travel, keep an extra
flashlight, food and water in your vehicle in case of an
emergency.The latest road conditions for the state you are
calling from can be obtained by calling 5 1 1.

$$

CAZ069-151330-
/O.CAN.KSTO.WS.W.0009.000000T0000Z-211215T0200Z/
/O.UPG.KSTO.WS.A.0011.211216T0000Z-211216T1800Z/
/O.NEW.KSTO.WS.W.0010.211216T0000Z-211216T1800Z/
West Slope Northern Sierra Nevada-
303 PM PST Tue Dec 14 2021

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

* WHAT...Heavy snow expected. Travel will be very difficult to
  impossible. Total snow accumulations of 12 to 18 inches, with
  localized amounts from 2 to 3 feet, are expected.

* WHERE...West Slope Northern Sierra Nevada.

* WHEN...4 PM Wednesday to 10 AM Thursday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for snow means there will be snow covered
roads and limited visibilities. Travel is not recommended while
the warning is in effect. If you must travel, keep an extra
flashlight, food and water in your vehicle in case of an
emergency.The latest road conditions for the state you are
calling from can be obtained by calling 5 1 1.

$$

CAZ014-151330-
/O.CAN.KSTO.WS.W.0008.000000T0000Z-211215T0200Z/
/O.UPG.KSTO.WS.A.0011.211215T1800Z-211216T1800Z/
/O.NEW.KSTO.WS.W.0010.211215T1200Z-211216T1800Z/
Burney Basin / Eastern Shasta County-
Including the city of Burney
303 PM PST Tue Dec 14 2021

...WINTER STORM WARNING IN EFFECT FROM 4 AM WEDNESDAY TO 10 AM
PST THURSDAY...
...WINTER STORM WARNING IS CANCELLED...

* WHAT...Heavy snow expected. Plan on difficult travel conditions,
  including during the evening commute on Wednesday. Total snow
  accumulations of 4 to 8 inches, with localized amounts up to 14
  inches, are expected.

* WHERE...Burney Basin / Eastern Shasta County.

* WHEN...4 AM Wednesday to 10 AM Thursday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for snow means there will be snow covered
roads and limited visibilities. Travel is not recommended while
the warning is in effect. If you must travel, keep an extra
flashlight, food and water in your vehicle in case of an
emergency.The latest road conditions for the state you are
calling from can be obtained by calling 5 1 1.

$$

CAZ063-151330-
/O.UPG.KSTO.WS.A.0011.211215T1200Z-211216T1800Z/
/O.NEW.KSTO.WS.W.0010.211215T1200Z-211216T1800Z/
Mountains Southwestern Shasta County to Western Colusa County-
303 PM PST Tue Dec 14 2021

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

* WHAT...Heavy snow expected. Plan on difficult travel conditions.
  Total snow accumulations of 3 to 6 inches, with localized
  amounts up to 2 feet, are expected.

* WHERE...Mountains Southwestern Shasta County to Western Colusa 
  County.

* WHEN...4 AM Wednesday to 10 AM Thursday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for snow means there will be snow covered
roads and limited visibilities. Travel is not recommended while
the warning is in effect. If you must travel, keep an extra
flashlight, food and water in your vehicle in case of an
emergency.The latest road conditions for the state you are
calling from can be obtained by calling 5 1 1.

$$

CAZ013-151330-
/O.UPG.KSTO.WS.A.0011.211215T1200Z-211216T1800Z/
/O.NEW.KSTO.WS.W.0010.211215T1200Z-211216T1800Z/
Shasta Lake Area / Northern Shasta County-
Including the city of Shasta Dam
303 PM PST Tue Dec 14 2021

...WINTER STORM WARNING IN EFFECT FROM 4 AM WEDNESDAY TO 10 AM
PST THURSDAY ABOVE 1000 FEET...

* WHAT...Heavy snow expected. Travel will be very difficult to
  impossible. Total snow accumulations of 1 to 2 feet, with
  localized amounts up to 3 feet, are expected.

* WHERE...Shasta Lake Area / Northern Shasta County.

* WHEN...4 AM Wednesday to 10 AM Thursday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for snow means there will be snow covered
roads and limited visibilities. Travel is not recommended while
the warning is in effect. If you must travel, keep an extra
flashlight, food and water in your vehicle in case of an
emergency.The latest road conditions for the state you are
calling from can be obtained by calling 5 1 1.

$$

CAZ066-151330-
/O.UPG.KSTO.WS.A.0011.211215T1800Z-211216T1800Z/
/O.NEW.KSTO.WS.W.0010.211215T1800Z-211216T1800Z/
Northeast Foothills/Sacramento Valley-
303 PM PST Tue Dec 14 2021

...WINTER STORM WARNING IN EFFECT FROM 10 AM WEDNESDAY TO 10 AM
PST THURSDAY ABOVE 2000 FEET...

* WHAT...Heavy snow expected. Plan on difficult travel conditions,
  including during the evening commute on Wednesday. Total snow
  accumulations of 4 to 8 inches, with localized amounts up to 2
  feet, are expected.

* WHERE...Northeast Foothills/Sacramento Valley.

* WHEN...10 AM Wednesday to 10 AM Thursday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for snow means there will be snow covered
roads and limited visibilities. Travel is not recommended while
the warning is in effect. If you must travel, keep an extra
flashlight, food and water in your vehicle in case of an
emergency.The latest road conditions for the state you are
calling from can be obtained by calling 5 1 1.

$$

CAZ067-151330-
/O.UPG.KSTO.WS.A.0011.211216T0000Z-211216T1800Z/
/O.NEW.KSTO.WS.W.0010.211216T0000Z-211216T1800Z/
Motherlode-
Including the city of Grass Valley
303 PM PST Tue Dec 14 2021

...WINTER STORM WARNING IN EFFECT FROM 4 PM WEDNESDAY TO 10 AM
PST THURSDAY ABOVE 2000 FEET...

* WHAT...Heavy wet snow expected. Plan on difficult travel
  conditions, including during the evening commute on Wednesday.
  Total wet snow accumulations of up to 2 inches, with localized
  amounts up to 1 foot, are expected.

* WHERE...Motherlode.

* WHEN...4 PM Wednesday to 10 AM Thursday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for wet snow means there will be snow
covered roads and limited visibilities. Travel is not recommended
while the warning is in effect. If you must travel, keep an extra
flashlight, food and water in your vehicle in case of an
emergency.The latest road conditions for the state you are
calling from can be obtained by calling 5 1 1.

$$
4 follow-up statements
962 
WWUS46 KSTO 151003
WSWSTO

URGENT - WINTER WEATHER MESSAGE
National Weather Service Sacramento CA
203 AM PST Wed Dec 15 2021

...Winter Storm to bring Snow to the Mountains and Foothills 
Today into Thursday...

.Another winter storm is set to impact Northern California today 
through Thursday bringing additional heavy mountain snow and gusty
winds to the area. Snow levels will range from 1000 to 2000 on 
Wednesday, gradually rising on Thursday. Significant travel delays
and difficult mountain travel are anticipated. Strong winds will 
further reduce visibilities during this event with local whiteout 
conditions possible.

CAZ063-160100-
/O.CON.KSTO.WS.W.0010.211215T1200Z-211216T1800Z/
Mountains Southwestern Shasta County to Western Colusa County-
203 AM PST Wed Dec 15 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST
THURSDAY...

* WHAT...Heavy snow expected. Plan on difficult travel conditions.
  Total snow accumulations of 3 to 9 inches, with amounts up to 2
  feet above 2000 feet, are expected.

* WHERE...Mountains Southwestern Shasta County to Western Colusa 
  County.

* WHEN...4 AM Wednesday to 10 AM Thursday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for snow means there will be snow covered
roads and limited visibilities. Travel is not recommended while
the warning is in effect. If you must travel, keep an extra
flashlight, food and water in your vehicle in case of an
emergency.The latest road conditions for the state you are
calling from can be obtained by calling 5 1 1.

$$

CAZ013-160100-
/O.CON.KSTO.WS.W.0010.211215T1200Z-211216T1800Z/
Shasta Lake Area / Northern Shasta County-
Including the city of Shasta Dam
203 AM PST Wed Dec 15 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST
THURSDAY ABOVE 1000 FEET...

* WHAT...Heavy snow expected. Travel will be very difficult to
  impossible. Total snow accumulations of 5 to 12 inches, with
  amounts of 1 to 3 feet above 2000 feet, are expected.

* WHERE...Shasta Lake Area / Northern Shasta County.

* WHEN...4 AM Wednesday to 10 AM Thursday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for snow means there will be snow covered
roads and limited visibilities. Travel is not recommended while
the warning is in effect. If you must travel, keep an extra
flashlight, food and water in your vehicle in case of an
emergency.The latest road conditions for the state you are
calling from can be obtained by calling 5 1 1.

$$

CAZ066-068-160100-
/O.CON.KSTO.WS.W.0010.211215T1800Z-211216T1800Z/
Northeast Foothills/Sacramento Valley-
Western Plumas County/Lassen Park-
203 AM PST Wed Dec 15 2021

...WINTER STORM WARNING REMAINS IN EFFECT FROM 10 AM THIS MORNING
TO 10 AM PST THURSDAY ABOVE 2000 FEET...

* WHAT...Heavy snow expected. Travel will be very difficult to 
  impossible, including during the evening commute on Wednesday. 
  Total snow accumulations of 12 to 18 inches, with localized 
  amounts up to 3 feet, are expected.

* WHERE...Western Plumas County/Lassen Park.

* WHEN...10 AM Wednesday to 10 AM Thursday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for snow means there will be snow covered
roads and limited visibilities. Travel is not recommended while
the warning is in effect. If you must travel, keep an extra
flashlight, food and water in your vehicle in case of an
emergency.The latest road conditions for the state you are
calling from can be obtained by calling 5 1 1.

$$

CAZ014-160100-
/O.CON.KSTO.WS.W.0010.211215T1200Z-211216T1800Z/
Burney Basin / Eastern Shasta County-
Including the city of Burney
203 AM PST Wed Dec 15 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST
THURSDAY ABOVE 2000 FEET...

* WHAT...Heavy snow expected. Plan on difficult travel 
  conditions, including during the evening commute on Wednesday. 
  Total snow accumulations of 4 to 8 inches, with localized 
  amounts up to 14 inches, are expected.

* WHERE...Burney Basin / Eastern Shasta County.

* WHEN...4 AM Wednesday to 10 AM Thursday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for snow means there will be snow covered
roads and limited visibilities. Travel is not recommended while
the warning is in effect. If you must travel, keep an extra
flashlight, food and water in your vehicle in case of an
emergency.The latest road conditions for the state you are
calling from can be obtained by calling 5 1 1.

$$

CAZ067-069-160100-
/O.CON.KSTO.WS.W.0010.211216T0000Z-211216T1800Z/
Motherlode-West Slope Northern Sierra Nevada-
Including the city of Grass Valley
203 AM PST Wed Dec 15 2021

...WINTER STORM WARNING REMAINS IN EFFECT FROM 4 PM THIS
AFTERNOON TO 10 AM PST THURSDAY ABOVE 2000 FEET...

* WHAT...Heavy snow expected. Travel will be very difficult to 
  impossible. Total snow accumulations of 12 to 18 inches, with 
  localized amounts from 2 to 3 feet, are expected.

* WHERE...West Slope Northern Sierra Nevada.

* WHEN...4 PM Wednesday to 10 AM Thursday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for snow means there will be snow covered
roads and limited visibilities. Travel is not recommended while
the warning is in effect. If you must travel, keep an extra
flashlight, food and water in your vehicle in case of an
emergency.The latest road conditions for the state you are
calling from can be obtained by calling 5 1 1.

$$
846 
WWUS46 KSTO 160026
WSWSTO

URGENT - WINTER WEATHER MESSAGE
National Weather Service Sacramento CA
426 PM PST Wed Dec 15 2021

...Winter Storm to bring Snow to the Mountains and Foothills
through Thursday...

.A strong winter storm will continue to impact Northern 
California today through Thursday bringing heavy mountain snow 
and gusty winds to the area. Snow levels will range from 1000 to 
2000 today, gradually rising on Thursday. Significant travel 
delays and difficult mountain/foothill travel are anticipated. 
Strong winds will further reduce visibilities during this event 
with local whiteout conditions possible.

CAZ063-161400-
/O.CON.KSTO.WS.W.0010.000000T0000Z-211216T1800Z/
Mountains Southwestern Shasta County to Western Colusa County-
426 PM PST Wed Dec 15 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST
THURSDAY...

* WHAT...Heavy snow occurring. Plan on difficult travel
  conditions, including during the evening commute. Tree branches
  could fall as well. Additional snow accumulations of 1 to 6
  inches, with localized amounts up to 1 foot, are expected.

* WHERE...Mountains Southwestern Shasta County to Western Colusa 
  County.

* WHEN...Until 10 AM Thursday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for snow means there will be snow covered
roads and limited visibilities. Travel is not recommended while
the warning is in effect. If you must travel, keep an extra
flashlight, food and water in your vehicle in case of an
emergency.The latest road conditions for the state you are
calling from can be obtained by calling 5 1 1.

$$

CAZ013-161400-
/O.CON.KSTO.WS.W.0010.000000T0000Z-211216T1800Z/
Shasta Lake Area / Northern Shasta County-
Including the city of Shasta Dam
426 PM PST Wed Dec 15 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST
THURSDAY ABOVE 1000 FEET...

* WHAT...Heavy snow occurring. Plan on difficult travel
  conditions, including during the evening commute. Tree branches
  could fall as well. Additional snow accumulations of 3 to 8
  inches, with localized amounts up to 18 inches, are expected.

* WHERE...Shasta Lake Area / Northern Shasta County.

* WHEN...Until 10 AM Thursday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for snow means there will be snow covered
roads and limited visibilities. Travel is not recommended while
the warning is in effect. If you must travel, keep an extra
flashlight, food and water in your vehicle in case of an
emergency.The latest road conditions for the state you are
calling from can be obtained by calling 5 1 1.

$$

CAZ014-066>069-161400-
/O.CON.KSTO.WS.W.0010.000000T0000Z-211216T1800Z/
Burney Basin / Eastern Shasta County-
Northeast Foothills/Sacramento Valley-Motherlode-
Western Plumas County/Lassen Park-
West Slope Northern Sierra Nevada-
Including the cities of Burney and Grass Valley
426 PM PST Wed Dec 15 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST
THURSDAY ABOVE 2000 FEET...

* WHAT...Heavy snow occurring. Travel will be very difficult to
  impossible, including during the evening commute. Damage to
  trees and power lines is possible. Additional snow accumulations
  of 10 to 14 inches, with localized amounts up to 3 feet, are 
  expected.

* WHERE...Burney Basin / Eastern Shasta County, Northeast 
  Foothills/Sacramento Valley, Motherlode, Western Plumas 
  County/Lassen Park and West Slope Northern Sierra Nevada.

* WHEN...Until 10 AM Thursday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for snow means there will be snow covered
roads and limited visibilities. Travel is not recommended while
the warning is in effect. If you must travel, keep an extra
flashlight, food and water in your vehicle in case of an
emergency.The latest road conditions for the state you are
calling from can be obtained by calling 5 1 1.

$$
312 
WWUS46 KSTO 161055
WSWSTO

URGENT - WINTER WEATHER MESSAGE
National Weather Service Sacramento CA
255 AM PST Thu Dec 16 2021

CAZ063-161800-
/O.CON.KSTO.WS.W.0010.000000T0000Z-211216T1800Z/
Mountains Southwestern Shasta County to Western Colusa County-
255 AM PST Thu Dec 16 2021

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

* WHAT...Heavy snow occurring. Plan on difficult travel 
  conditions. Additional snow accumulations of up to two inches 
  are expected.

* WHERE...Mountains Southwestern Shasta County to Western Colusa 
  County.

* WHEN...Until 10 AM today.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for snow means there will be snow covered
roads and limited visibilities. Travel is not recommended while
the warning is in effect. If you must travel, keep an extra
flashlight, food and water in your vehicle in case of an
emergency.The latest road conditions for the state you are
calling from can be obtained by calling 5 1 1.

$$

CAZ013-161800-
/O.CON.KSTO.WS.W.0010.000000T0000Z-211216T1800Z/
Shasta Lake Area / Northern Shasta County-
Including the city of Shasta Dam
255 AM PST Thu Dec 16 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST THIS
MORNING ABOVE 1000 FEET...

* WHAT...Heavy snow occurring. Plan on difficult travel 
  conditions. Additional snow accumulations of up to 2 inches, 
  with localized amounts up to 4 inches, are expected.

* WHERE...Shasta Lake Area / Northern Shasta County.

* WHEN...Until 10 AM today.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for snow means there will be snow covered
roads and limited visibilities. Travel is not recommended while
the warning is in effect. If you must travel, keep an extra
flashlight, food and water in your vehicle in case of an
emergency.The latest road conditions for the state you are
calling from can be obtained by calling 5 1 1.

$$

CAZ014-066>069-161800-
/O.CON.KSTO.WS.W.0010.000000T0000Z-211216T1800Z/
Burney Basin / Eastern Shasta County-
Northeast Foothills/Sacramento Valley-Motherlode-
Western Plumas County/Lassen Park-
West Slope Northern Sierra Nevada-
Including the cities of Burney and Grass Valley
255 AM PST Thu Dec 16 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST THIS
MORNING ABOVE 2000 FEET...

* WHAT...Heavy snow occurring. Plan on difficult travel
  conditions. Additional snow accumulations of 2 to 6 inches, with
  localized amounts up to 10 inches, are expected.

* WHERE...Burney Basin / Eastern Shasta County, Northeast 
  Foothills/Sacramento Valley, Motherlode, Western Plumas 
  County/Lassen Park and West Slope Northern Sierra Nevada.

* WHEN...Until 10 AM today.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for snow means there will be snow covered
roads and limited visibilities. Travel is not recommended while
the warning is in effect. If you must travel, keep an extra
flashlight, food and water in your vehicle in case of an
emergency.The latest road conditions for the state you are
calling from can be obtained by calling 5 1 1.

$$
593 
WWUS46 KSTO 161801
WSWSTO

URGENT - WINTER WEATHER MESSAGE
National Weather Service Sacramento CA
1001 AM PST Thu Dec 16 2021


CAZ013-014-063-066>069-161915-
/O.EXP.KSTO.WS.W.0010.000000T0000Z-211216T1800Z/
Shasta Lake Area / Northern Shasta County-
Burney Basin / Eastern Shasta County-
Mountains Southwestern Shasta County to Western Colusa County-
Northeast Foothills/Sacramento Valley-Motherlode-
Western Plumas County/Lassen Park-
West Slope Northern Sierra Nevada-
Including the cities of Shasta Dam, Burney, and Grass Valley
1001 AM PST Thu Dec 16 2021

...WINTER STORM WARNING HAS EXPIRED...

Mountain snow showers are decreasing with only a few remaining 
showers lingering this morning. Widespread additional accumulation 
is not expected. Expect travel impacts suck as slick roads and chain 
controls. Check ahead with Caltrans for the latest road conditions 
at quickmap.dot.ca.gov.

$$

The office that day

Everything else NWS Sacramento, CA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 13, 6:45 PM PSTAreal Flood AdvisorySTOAmador, Butte, Calaveras, Colusa, El Dorado, Glenn and 13 more11 hr
Dec 13, 11:29 PM PSTWinter Storm WarningSTO16 hr
Dec 14, 3:48 AM PSTWinter Storm WatchSTO11 hr

Nearby

Winter Storm Warnings in California, 2021Every winter storm warning in 2021

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.