NOAA's National Weather Service
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WARNINGS - WATCHES - ADVISORIES - STATEMENTS
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WINTER STORM WARNING | ||
Alpine County | ||
Effective: Thu, 11/21 3:59am | Severity: Severe | |
Updated: November 21, 2024 4:15 am | Urgency: Expected | |
Expires: Thu, 11/21 4:00pm | Certainty: Likely | |
Areas Affected: Western Plumas County/Lassen Park - West Slope Northern Sierra Nevada | ||
Alert
Details:
* WHAT...For this morning's Winter Storm Warning, additional snow accumulations of 1 to 3 inches. Winds gusting as high as 45 mph. For the Winter Storm Watch, heavy snow possible. Total snow accumulations between 1 and 4 feet possible from Friday afternoon through Tuesday afternoon. Winds could gust as high as 50 mph. * WHERE...West Slope Northern Sierra Nevada and Western Plumas County/Lassen Park. * WHEN...For the Winter Storm Warning, until 8 AM PST this morning. For the Winter Storm Watch, from Friday afternoon through Tuesday afternoon. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the morning and evening commutes. Gusty winds could bring down tree branches. * ADDITIONAL DETAILS...Snow levels around 6000-7000 feet this morning, rising through the day and into Friday. Snow levels Friday afternoon around 6000-7000 feet, lowering to around 4500-5500 feet over the weekend. A brief break in snowfall will be possible from late Saturday afternoon into the overnight period with lighter snowfall amounts. Information: Check the latest road conditions from Caltrans online at quickmap.dot.ca.gov or dial 5 1 1. |
WINTER STORM WARNING | ||
Alpine County | ||
Effective: Thu, 11/21 3:25am | Severity: Severe | |
Updated: November 21, 2024 4:15 am | Urgency: Expected | |
Expires: Thu, 11/21 1:00pm | Certainty: Likely | |
Areas Affected: Lassen-Eastern Plumas-Eastern Sierra Counties - Greater Lake Tahoe Area - Greater Lake Tahoe Area | ||
Alert
Details:
* WHAT...Heavy snow. Snow accumulations between 1 to 2 feet above 7,000 feet with 2 to 6 inches below 7,000 feet. Ridge winds gusting as high as 75 mph. * WHERE...Greater Lake Tahoe Area, and Lassen-Eastern Plumas-Eastern Sierra Counties. * WHEN...From 10 AM Friday to 10 PM PST Saturday. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the Friday evening commute. Very strong winds could cause extensive damage to trees and power lines. Information: 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. |
WINTER STORM WATCH | ||
Alpine County | ||
Effective: Thu, 11/21 3:59am | Severity: Severe | |
Updated: November 21, 2024 4:15 am | Urgency: Future | |
Expires: Thu, 11/21 4:00pm | Certainty: Possible | |
Areas Affected: Western Plumas County/Lassen Park - West Slope Northern Sierra Nevada | ||
Alert
Details:
* WHAT...For this morning's Winter Storm Warning, additional snow accumulations of 1 to 3 inches. Winds gusting as high as 45 mph. For the Winter Storm Watch, heavy snow possible. Total snow accumulations between 1 and 4 feet possible from Friday afternoon through Tuesday afternoon. Winds could gust as high as 50 mph. * WHERE...West Slope Northern Sierra Nevada and Western Plumas County/Lassen Park. * WHEN...For the Winter Storm Warning, until 8 AM PST this morning. For the Winter Storm Watch, from Friday afternoon through Tuesday afternoon. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the morning and evening commutes. Gusty winds could bring down tree branches. * ADDITIONAL DETAILS...Snow levels around 6000-7000 feet this morning, rising through the day and into Friday. Snow levels Friday afternoon around 6000-7000 feet, lowering to around 4500-5500 feet over the weekend. A brief break in snowfall will be possible from late Saturday afternoon into the overnight period with lighter snowfall amounts. Information: Check the latest road conditions from Caltrans online at quickmap.dot.ca.gov or dial 5 1 1. |