Alert archive / California / Winter Storm Warnings in 2021

Winter Storm Warning 5, NWS Sacramento, CA

March 13, 2021

NWS Sacramento, CA issued this winter storm warning at Mar 13, 2021, 1:51 PM PST. It took effect at Mar 14, 2021, 5:00 PM PDT. It was in force for 24 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
Mar 13, 2021, 1:51 PM PST (21:51 UTC)
In effect from
Mar 14, 2021, 5:00 PM PDT
Expired
Mar 15, 2021, 5:00 PM PDT
In force
24 hr
Issued by
NWS Sacramento, CA

The text

As transmitted.

238 
WWUS46 KSTO 132151
WSWSTO

URGENT - WINTER WEATHER MESSAGE
National Weather Service Sacramento CA
151 PM PST Sat Mar 13 2021

...Winter Weather to Bring Foothill and Mountain Travel Impacts 
Late Sunday and into Monday...

.A cold storm system will approach northern California late
Sunday, and bring with it accumulating snowfall to the mountains.
Snow levels are forecast to drop overnight Sunday and into Monday
morning as cold air filters into the area. The potential for some
minor accumulations may drop as low as 1,000 to 1,500 ft
elevation in portions of Shasta County including I-5 north of
Redding, and as low as 1,500 ft to 2,000 ft in the Sierra. The 
best chance for impactful accumulating snowfall will be above 
2,500 ft in Shasta County, and above 3,000 ft in the Sierra where 
the Winter Storm Warning is in effect.

CAZ013-141600-
/O.UPG.KSTO.WS.A.0004.210315T0000Z-210316T0000Z/
/O.NEW.KSTO.WS.W.0005.210315T0000Z-210315T1900Z/
Shasta Lake Area / Northern Shasta County-
151 PM PST Sat Mar 13 2021

...WINTER STORM WARNING IN EFFECT FROM 5 PM SUNDAY TO NOON PDT
MONDAY ABOVE 2500 FEET...

* WHAT...Heavy snow expected. Plan on difficult travel conditions.
  Total snow accumulations of 6 to 12 inches, with localized
  amounts up to 16 inches, are expected.

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

* WHEN...5 PM Sunday to noon Monday.

* ADDITIONAL DETAILS...Significant reductions in visibility are
  possible. Snow levels may fall as low as 1000 ft to 1500 ft
  elevation in Shasta County with minor accumulations possible.

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.

$$

CAZ014-068-069-141600-
/O.UPG.KSTO.WS.A.0004.210315T0000Z-210316T0000Z/
/O.NEW.KSTO.WS.W.0005.210315T0000Z-210316T0000Z/
Burney Basin / Eastern Shasta County-
Western Plumas County/Lassen Park-
West Slope Northern Sierra Nevada-
Including the city of Burney
151 PM PST Sat Mar 13 2021

...WINTER STORM WARNING IN EFFECT FROM 5 PM SUNDAY TO 5 PM PDT
MONDAY ABOVE 3000 FEET...

* WHAT...Heavy snow expected. Travel will be very difficult to
  impossible. Total snow accumulations of 8 to 12 inches, with
  localized amounts up to 2 feet near Lassen Park, are expected.

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

* WHEN...5 PM Sunday to 5 PM Monday.

* ADDITIONAL DETAILS...Significant reductions in visibility are
  possible. Snow levels may fall as low as 1500 ft to 2000 ft
  elevation in the Sierra with minor accumulations possible.

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.

$$

CAZ063-141600-
/O.UPG.KSTO.WS.A.0004.210315T0000Z-210316T0000Z/
/O.NEW.KSTO.WW.Y.0015.210315T0000Z-210315T1900Z/
Mountains Southwestern Shasta County to Western Colusa County-
151 PM PST Sat Mar 13 2021

...WINTER WEATHER ADVISORY IN EFFECT FROM 5 PM SUNDAY TO NOON PDT
MONDAY ABOVE 3000 FEET...

* WHAT...Snow expected. Plan on slippery road conditions. Total
  snow accumulations of 2 to 6 inches, with localized amounts up
  to 10 inches, are expected.

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

* WHEN...5 PM Sunday to noon Monday.

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at 
  times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Weather Advisory for snow means periods of snow will
cause primarily travel difficulties. Be prepared for snow covered
roads and limited visibilities, and use caution while driving.
The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

$$
7 follow-up statements
981 
WWUS46 KSTO 132156
WSWSTO

URGENT - WINTER WEATHER MESSAGE
National Weather Service Sacramento CA
156 PM PST Sat Mar 13 2021

...Winter Weather to Bring Foothill and Mountain Travel Impacts
Late Sunday and into Monday...

.A cold storm system will approach northern California late
Sunday, and bring with it accumulating snowfall to the mountains.
Snow levels are forecast to drop overnight Sunday and into Monday
morning as cold air filters into the area. The potential for some
minor accumulations may drop as low as 1,000 to 1,500 ft
elevation in portions of Shasta County including I-5 north of
Redding, and as low as 1,500 ft to 2,000 ft in the Sierra. The
best chance for impactful accumulating snowfall will be above
2,500 ft in Shasta County, and above 3,000 ft in the Sierra where
the Winter Storm Warning is in effect.

CAZ013-141600-
/O.CON.KSTO.WS.W.0005.210315T0000Z-210315T1900Z/
Shasta Lake Area / Northern Shasta County-
156 PM PST Sat Mar 13 2021

...WINTER STORM WARNING REMAINS IN EFFECT FROM 5 PM SUNDAY TO
NOON PDT MONDAY ABOVE 2500 FEET...

* WHAT...Heavy snow expected. Plan on difficult travel 
  conditions. Total snow accumulations of 6 to 12 inches, with 
  localized amounts up to 16 inches, are expected.

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

* WHEN...5 PM Sunday to noon Monday.

* ADDITIONAL DETAILS...Significant reductions in visibility are 
  possible. Snow levels may fall as low as 1000 ft to 1500 ft 
  elevation in Shasta County with minor accumulations possible.

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.

$$

CAZ014-068-069-141600-
/O.CON.KSTO.WS.W.0005.210315T0000Z-210316T0000Z/
Burney Basin / Eastern Shasta County-
Western Plumas County/Lassen Park-
West Slope Northern Sierra Nevada-
Including the city of Burney
156 PM PST Sat Mar 13 2021

...WINTER STORM WARNING REMAINS IN EFFECT FROM 5 PM SUNDAY TO
5 PM PDT MONDAY ABOVE 3000 FEET...

* WHAT...Heavy snow expected. Travel will be very difficult to
  impossible. Total snow accumulations of 8 to 14 inches, with 
  localized amounts up to 2 feet near Lassen Park, are expected.

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

* WHEN...From late Sunday afternoon through Monday afternoon.

* ADDITIONAL DETAILS...Significant reductions in visibility are 
  possible. Snow levels may fall as low as 1500 ft to 2000 ft 
  elevation in the Sierra with minor accumulations possible.

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.

$$

CAZ063-141600-
/O.CON.KSTO.WW.Y.0015.210315T0000Z-210315T1900Z/
Mountains Southwestern Shasta County to Western Colusa County-
156 PM PST Sat Mar 13 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 PM SUNDAY TO
NOON PDT MONDAY ABOVE 3000 FEET...

* WHAT...Snow expected. Plan on slippery road conditions. Total 
  snow accumulations of 2 to 6 inches, with localized amounts up 
  to 10 inches, are expected.

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

* WHEN...5 PM Sunday to noon Monday.

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at 
  times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Weather Advisory for snow means periods of snow will
cause primarily travel difficulties. Be prepared for snow covered
roads and limited visibilities, and use caution while driving.
The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

$$
960 
WWUS46 KSTO 141309
WSWSTO

URGENT - WINTER WEATHER MESSAGE
National Weather Service Sacramento CA
609 AM PDT Sun Mar 14 2021

...Winter Weather to Bring Foothill and Mountain Travel Impacts
Later Today and into Monday...

.A cold storm system will approach northern California on Sunday
afternoon, and bring with it accumulating snowfall to the 
mountains. Snow levels are forecast to drop overnight Sunday and 
into Monday morning as cold air filters into the area. The 
potential for some minor accumulations may drop as low as 1,000 to
1,500 ft elevation in portions of Shasta County including I-5 
north of Redding, and as low as 1,500 ft to 2,000 ft in the 
Sierra. The best chance for impactful accumulating snowfall will 
be above 2,500 ft in Shasta County, and above 3,000 ft in the 
Sierra where the Winter Storm Warning is in effect.

CAZ013-142300-
/O.CON.KSTO.WS.W.0005.210315T0000Z-210315T1900Z/
Shasta Lake Area / Northern Shasta County-
609 AM PDT Sun Mar 14 2021

...WINTER STORM WARNING REMAINS IN EFFECT FROM 5 PM THIS
AFTERNOON TO NOON PDT MONDAY ABOVE 2500 FEET...

* WHAT...Heavy snow expected. Plan on difficult travel conditions.
  Total snow accumulations of 6 to 12 inches, with localized
  amounts up to 16 inches, are expected.

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

* WHEN...5 PM today to noon Monday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in
  visibility at times. Snow levels may fall as low as 1000 ft to
  1500 ft elevation in Shasta County by Monday morning with minor
  accumulations possible.

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.

$$

CAZ014-068-069-142300-
/O.CON.KSTO.WS.W.0005.210315T0000Z-210316T0000Z/
Burney Basin / Eastern Shasta County-
Western Plumas County/Lassen Park-
West Slope Northern Sierra Nevada-
Including the city of Burney
609 AM PDT Sun Mar 14 2021

...WINTER STORM WARNING REMAINS IN EFFECT FROM 5 PM THIS
AFTERNOON TO 5 PM PDT MONDAY ABOVE 3000 FEET...

* WHAT...Heavy snow expected. Travel will be very difficult to
  impossible. Total snow accumulations of 8 to 14 inches, with
  localized amounts up to 2 feet, are expected.

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

* WHEN...5 PM today to 5 PM Monday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in
  visibility at times. Snow levels may fall as low as 1500 ft to
  2000 ft elevation in the Sierra by Monday morning with minor 
  accumulations possible.

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.

$$

CAZ063-142300-
/O.CON.KSTO.WW.Y.0015.210315T0000Z-210315T1900Z/
Mountains Southwestern Shasta County to Western Colusa County-
609 AM PDT Sun Mar 14 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 PM THIS
AFTERNOON TO NOON PDT MONDAY ABOVE 3000 FEET...

* WHAT...Snow expected. Plan on slippery road conditions. Total
  snow accumulations of 2 to 6 inches, with localized amounts up
  to 10 inches, are expected.

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

* WHEN...5 PM today to noon Monday.

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at
  times. Snow levels may fall as low as 1000 ft to 2000 ft
  elevation by Monday morning with minor accumulations possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Weather Advisory for snow means periods of snow will
cause primarily travel difficulties. Be prepared for snow covered
roads and limited visibilities, and use caution while driving.
The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

$$
753 
WWUS46 KSTO 142048
WSWSTO

URGENT - WINTER WEATHER MESSAGE
National Weather Service Sacramento CA
148 PM PDT Sun Mar 14 2021

...Winter Weather to Bring Foothill and Mountain Travel Impacts
Later Today and into Monday...

.A cold storm system will bring accumulating snowfall to foothills
and mountains later today through Monday. Snow levels are 
forecast to drop overnight and into Monday morning as cold air 
filters into the area. There is the potential for snow as low as 
1,000 to 1,500 ft in portions of Shasta County including I-5 
north of Redding, and as low as 1,500 ft to 2,000 ft in the 
northern Sierra. The best chance for impactful accumulating 
snowfall will be above 2,500 ft in Shasta County, and above 3,000 
ft in the Sierra where the Winter Storm Warning is in effect.

CAZ013-151400-
/O.CON.KSTO.WS.W.0005.210315T0000Z-210315T1900Z/
Shasta Lake Area / Northern Shasta County-
148 PM PDT Sun Mar 14 2021

...WINTER STORM WARNING REMAINS IN EFFECT FROM 5 PM THIS
AFTERNOON TO NOON PDT MONDAY ABOVE 2500 FEET...

* WHAT...Heavy snow expected. Plan on difficult travel conditions.
  Total snow accumulations of 6 to 12 inches, locally higher, are
  expected.

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

* WHEN...5 PM today to noon Monday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times. Snow levels may fall as low as 1000 ft to 
  1500 ft elevation in Shasta County by Monday morning with 
  minor accumulations possible.

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.

$$

CAZ014-068-069-151400-
/O.CON.KSTO.WS.W.0005.210315T0000Z-210316T0000Z/
Burney Basin / Eastern Shasta County-
Western Plumas County/Lassen Park-
West Slope Northern Sierra Nevada-
Including the city of Burney
148 PM PDT Sun Mar 14 2021

...WINTER STORM WARNING REMAINS IN EFFECT FROM 5 PM THIS
AFTERNOON TO 5 PM PDT MONDAY ABOVE 3000 FEET...

* WHAT...Heavy snow expected. Travel will be very difficult to
  impossible. Total snow accumulations of 6 to 14 inches, with 
  localized amounts up to 2 feet, are expected.

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

* WHEN...5 PM today to 5 PM Monday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times. Snow levels may fall as low as 1500 ft to 
  2000 ft elevation in the Sierra by Monday morning with minor 
  accumulations possible.

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.

$$

CAZ063-151400-
/O.CON.KSTO.WW.Y.0015.210315T0000Z-210315T1900Z/
Mountains Southwestern Shasta County to Western Colusa County-
148 PM PDT Sun Mar 14 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 PM THIS
AFTERNOON TO NOON PDT MONDAY ABOVE 3000 FEET...

* WHAT...Snow expected. Plan on slippery road conditions. Total 
  snow accumulations of 2 to 6 inches, with localized amounts up 
  to 10 inches, are expected.

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

* WHEN...5 PM today to noon Monday.

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at 
  times. Snow levels may fall as low as 1000 ft to 2000 ft 
  elevation by Monday morning with minor accumulations possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Weather Advisory for snow means periods of snow will
cause primarily travel difficulties. Be prepared for snow covered
roads and limited visibilities, and use caution while driving.
The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

$$
635 
WWUS46 KSTO 151000
WSWSTO

URGENT - WINTER WEATHER MESSAGE
National Weather Service Sacramento CA
300 AM PDT Mon Mar 15 2021

CAZ013-151900-
/O.CON.KSTO.WS.W.0005.000000T0000Z-210315T1900Z/
Shasta Lake Area / Northern Shasta County-
300 AM PDT Mon Mar 15 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON PDT TODAY
ABOVE 2500 FEET...

* WHAT...Snow occurring. Plan on difficult travel conditions. 
  Additional snow accumulations of 2 to 4 inches are expected.

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

* WHEN...Until noon 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.

$$

CAZ014-068-069-152300-
/O.CON.KSTO.WS.W.0005.000000T0000Z-210316T0000Z/
Burney Basin / Eastern Shasta County-
Western Plumas County/Lassen Park-
West Slope Northern Sierra Nevada-
Including the city of Burney
300 AM PDT Mon Mar 15 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM PDT THIS
AFTERNOON ABOVE 3000 FEET...

* WHAT...Moderate to heavy snow. Plan on difficult travel 
  conditions. Additional snow accumulations of 3 to 6 inches are 
  expected.

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

* WHEN...Until 5 PM 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.

$$

CAZ063-151900-
/O.CON.KSTO.WW.Y.0015.000000T0000Z-210315T1900Z/
Mountains Southwestern Shasta County to Western Colusa County-
300 AM PDT Mon Mar 15 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON PDT TODAY
ABOVE 3000 FEET...

* WHAT...Snow showers. Plan on slippery road conditions, 
  including during the morning commute. Additional snow 
  accumulations of up to two inches are expected.

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

* WHEN...Until noon today.

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at 
  times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Weather Advisory for snow means periods of snow will
cause primarily travel difficulties. Be prepared for snow covered
roads and limited visibilities, and use caution while driving.
The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

$$
794 
WWUS46 KSTO 151913
WSWSTO

URGENT - WINTER WEATHER MESSAGE
National Weather Service Sacramento CA
1213 PM PDT Mon Mar 15 2021

CAZ013-152015-
/O.EXP.KSTO.WS.W.0005.000000T0000Z-210315T1900Z/
Shasta Lake Area / Northern Shasta County-
1213 PM PDT Mon Mar 15 2021

...WINTER STORM WARNING HAS EXPIRED...

Snow showers have decreased over the area. 

$$

CAZ063-152015-
/O.EXP.KSTO.WW.Y.0015.000000T0000Z-210315T1900Z/
Mountains Southwestern Shasta County to Western Colusa County-
1213 PM PDT Mon Mar 15 2021

...WINTER WEATHER ADVISORY HAS EXPIRED...

Snow showers have decreased over the area. 

$$

CAZ014-068-069-160000-
/O.CON.KSTO.WS.W.0005.000000T0000Z-210316T0000Z/
Burney Basin / Eastern Shasta County-
Western Plumas County/Lassen Park-
West Slope Northern Sierra Nevada-
Including the city of Burney
1213 PM PDT Mon Mar 15 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM PDT THIS
AFTERNOON ABOVE 3000 FEET...

* WHAT...Periods of heavy snow showers some with small hail
  possible at the lower elevations. Plan on difficult travel
  conditions, including during the evening commute. Additional
  snow accumulations of up to an inch or two expected this
  afternoon. 

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

* WHEN...Until 5 PM 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.

$$
569 
WWUS46 KSTO 152120
WSWSTO

URGENT - WINTER WEATHER MESSAGE
National Weather Service Sacramento CA
220 PM PDT Mon Mar 15 2021

CAZ014-068-152230-
/O.CAN.KSTO.WS.W.0005.000000T0000Z-210316T0000Z/
Burney Basin / Eastern Shasta County-
Western Plumas County/Lassen Park-
220 PM PDT Mon Mar 15 2021

...WINTER STORM WARNING IS CANCELLED...

Snow has decreased over the area. 

$$

CAZ069-160000-
/O.CON.KSTO.WS.W.0005.000000T0000Z-210316T0000Z/
West Slope Northern Sierra Nevada-
220 PM PDT Mon Mar 15 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM PDT THIS
AFTERNOON ABOVE 3000 FEET...

* WHAT...Periods of snow showers. Plan on difficult travel
  conditions, including during the evening commute. Additional
  snow accumulations of an inch or two expected.

* WHERE...West Slope Northern Sierra Nevada.

* WHEN...Until 5 PM 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.

$$
577 
WWUS46 KSTO 160004
WSWSTO

URGENT - WINTER WEATHER MESSAGE
National Weather Service Sacramento CA
504 PM PDT Mon Mar 15 2021


CAZ069-160115-
/O.EXP.KSTO.WS.W.0005.000000T0000Z-210316T0000Z/
West Slope Northern Sierra Nevada-
504 PM PDT Mon Mar 15 2021

...WINTER STORM WARNING HAS EXPIRED...

Showers have tapered off for most of the western slopes this
afternoon therefore Winter Storm Warning will be allowed to 
expire.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 13, 2:34 AM PSTWinter Storm WatchSTO11 hr
Mar 13, 1:51 PM PSTWinter Weather AdvisorySTO45 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.