Weather Alerts for California
1. High Surf Advisory for: San Luis Obispo County Beaches; Santa Barbara County Central Coast Beaches
2. High Surf Advisory for: Ventura County Beaches
3. High Wind Watch for: Santa Lucia Mountains; San Luis Obispo County Mountains
4. Lake Wind Advisory for: Greater Lake Tahoe Area; Greater Lake Tahoe Area; Western Nevada Basin and Range including Pyramid Lake
5. Wind Advisory for: Death Valley National Park; Western Mojave Desert; Eastern Mojave Desert, Including the Mojave National Preserve; Western Clark and Southern Nye County; Spring Mountains-Red Rock Canyon; Las Vegas Valley; Southern Clark County
6. Wind Advisory for: Eastern Sierra Slopes of Inyo County; Owens Valley
7. Wind Advisory for: Indian Wells Valley; Mojave Desert Slopes; Mojave Desert
8. Wind Advisory for: San Francisco Peninsula Coast; Santa Cruz Mountains; East Bay Hills; Northern Monterey Bay
9. Wind Advisory for: San Luis Obispo County Beaches; San Luis Obispo County Inland Central Coast; Santa Barbara County Central Coast Beaches; Santa Barbara County Inland Central Coast
10. Wind Advisory for: Santa Lucia Mountains and Los Padres National Forest; Mountains Of San Benito County And Interior Monterey County Including Pinnacles National Park; Southern Monterey Bay and Big Sur Coast
11. Wind Advisory for: Southern Salinas Valley; San Luis Obispo County Interior Valleys
12. Winter Storm Warning for: Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada
13. Winter Weather Advisory for: Del Norte Interior; Northern Humboldt Interior; Northern Trinity; Southern Trinity
14. Winter Weather Advisory for: Greater Lake Tahoe Area; Greater Lake Tahoe Area
15. Winter Weather Advisory for: Mono
16. Winter Weather Advisory for: South Central Siskiyou County; North Central and Southeast Siskiyou County
17. Winter Weather Advisory for: Western Siskiyou County
18. Winter Weather Advisory for: Yosemite NP outside of the valley; Upper San Joaquin River
Want more detail? Get the Complete 7 Day and Night Detailed Forecast!
Current U.S. National Radar--Current
The Current National Weather Radar is shown below with a UTC Time (subtract 5 hours from UTC to get Eastern Time).
National Weather Forecast--Current
The Current National Weather Forecast and National Weather Map are shown below.
National Weather Forecast for Tomorrow
Tomorrow National Weather Forecast and Tomorrow National Weather Map are show below.
North America Water Vapor (Moisture)
This map shows recent moisture content over North America. Bright and colored areas show high moisture (ie, clouds); brown indicates very little moisture present; black indicates no moisture.
Weather Topic: What is Snow?
Home - Education - Precipitation - Snow
Next Topic: Stratocumulus Clouds
Snow is precipitation taking the form of ice crystals. Each ice crystal, or snowflake,
has unique characteristics, but all of them grow in a hexagonal structure.
Snowfall can last for sustained periods of time and result in significant buildup
of snow on the ground.
On the earth's surface, snow starts out light and powdery, but as it begins to melt
it tends to become more granular, producing small bits of ice which have the consistency of
sand. After several cycles of melting and freezing, snow can become very dense
and ice-like, commonly known as snow pack.
Next Topic: Stratocumulus Clouds
Weather Topic: What are Stratus Clouds?
Home - Education - Cloud Types - Stratus Clouds
Next Topic: Wall Clouds
Stratus clouds are similar to altostratus clouds, but form at a
lower altitude and are identified by their fog-like appearance, lacking the
distinguishing features of most clouds.
Stratus clouds are wider than most clouds, and their base has a smooth, uniform
look which is lighter in color than a nimbostratus cloud.
The presence of a stratus cloud indicates the possibility of minor precipitation,
such as drizzle, but heavier precipitation does not typically arrive in the form
of a stratus cloud.
Next Topic: Wall Clouds