Warning Vector

Winter Storm Warning

NWS Sacramento CA ยท US

New

Details

Winter Storm Warning In Effect From 10 AM Friday To 10 AM PST Saturday

Event
Winter Storm Warning
Issued
Onset
Message expires
Expected end
Category
Meteorological
Urgency
Expected
Severity
Severe
Certainty
Likely
Response
Prepare

Description

What

Snow is expected for elevations above 6000 feet. Total snow accumulations up to a foot, with up to 2 feet at the highest peaks. Minor accumulations of around an 2 inch possible down to 5000 feet. Winds could gust as high as 60 mph.

Where

Northern Sierra above 6000 feet, including Highway 50, Interstate 80, State Route 4, State Route 108, Southern Cascades above 6000 feet, including Lassen National Park.

When

From 10 AM Friday to 10 AM PST Saturday.

Impacts

Travel could be very difficult. The hazardous conditions could impact the Friday evening and Monday morning commutes. Strong winds could cause downed tree branches, localized power outages, near whiteout conditions.

Additional details

Snow levels 6500 to 7500 feet Friday, dropping to 5500 to 6500 feet Saturday morning. Heaviest snowfall expected Friday night into Saturday morning. Light flurries to 2 inches possible down to 5000 feet with higher accumulations remaining above 6000 feet. Lull in activity Saturday afternoon through Sunday, followed by additional snow Sunday night through Monday.

Instructions

Check the latest road conditions from Caltrans online at quickmap.dot.ca.gov or dial 5 1 1.

Affected areas

  • Lassen Volcanic National Park
  • Sierra Nevada of Sierra-Nevada-Placer Counties Above 5000 ft Including Interstate 80
  • Sierra Nevada of El Dorado-Amador-Northern Alpine Counties Above 5000 ft Including Highway 50
  • Sierra Nevada of Calaveras-Tuolumne-Southern Alpine Counties Above 5000 ft

Public contact

Issuer
NWS Sacramento CA

Message record

Received
Issue to receipt
~35s
CAP status
Actual
CAP message type
Alert
Lifecycle
New
Source
NWWS-OI
Feed
NWWS
Recovered
No
CAP routing and identity
ULID
01M77CMVBA97ZEVPJN1EPWM6G7
Identifier
urn:oid:2.49.0.1.840.0.71cb916777d6b7820a7f8d815a569443e8982bae.001.2
Scope
Public
CAP source
211803 v2.3.0
Handling codes
IPAWSv1.0
Issuing office
NWS Sacramento CA
AWIPS ID
CAPSTO
NWWS sequence
nwws_processor.3444
WMO heading
XOUS56
WMO data type
CAP alert message XML (XO)
WMO geography
United States (US)
WMO bulletin number
56

Event codes

NameValue
SAMEWSW
NationalWeatherServiceWSW

Parameters

NameValue
AWIPSidentifierWSWSTO
WMOidentifierWWUS46 KSTO 120805
NWSheadlineWINTER STORM WARNING IN EFFECT FROM 10 AM FRIDAY TO 10 AM PST SATURDAY
BLOCKCHANNELEAS
BLOCKCHANNELNWEM
EAS-ORGWXR
VTEC/O.NEW.KSTO.WS.W.0005.261113T1800Z-261114T1800Z/
eventEndingTime2026-11-14T10:00:00-08:00
BLOCKCHANNELCMAS
Locations

Location data

  • Lassen Volcanic National Park
  • Sierra Nevada of Sierra-Nevada-Placer Counties Above 5000 ft Including Interstate 80
  • Sierra Nevada of El Dorado-Amador-Northern Alpine Counties Above 5000 ft Including Highway 50
  • Sierra Nevada of Calaveras-Tuolumne-Southern Alpine Counties Above 5000 ft
NameValue
SAME006035
SAME006103
SAME006063
SAME006089
SAME006091
SAME006057
SAME006061
SAME006017
SAME006005
SAME006003
SAME006009
SAME006109
UGCCAZ128
UGCCAZ133
UGCCAZ136
UGCCAZ139