Union City, CA Weather
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uccawx.bsky.social
Union City, CA Weather
@uccawx.bsky.social
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A personal weather station located in Union City, CA USA posting current weather alerts/conditions and other weather related information. https://ucweather.org #weather #UnionCity #CAwx
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Reposted by Union City, CA Weather
nwsbayareabot.bsky.social
A Coastal Flood Advisory is in effect through 2 PM Sunday for the Pacific Coast and Bay Shorelines. Up to 2.2 ft of inundation above ground level is possible in low-lying areas near shorelines and tidal waterways. #CAwx #BayAreaWX https://x.com/NWSBayArea/status/2006418679190184287
December 31, 2025 at 5:41 PM
Reposted by Union City, CA Weather
nwsbayareabot.bsky.social
There is a 70-90% chance of rain throughout the region tonight. Be cautious when driving in wet conditions and make sure to grab your rain coat if heading out for New Year's Eve festivities! #CAwx https://x.com/NWSBayArea/status/2006512055898329288
January 1, 2026 at 12:02 AM
uccawx.bsky.social
Alberta clipper reinforces lake-effect snow as heavy rain targets southern California into the New Year
watchers.news/2025/12/31/a...
Alberta clipper reinforces lake-effect snow as heavy rain targets southern California into the New Year
A surge of Arctic air, reinforced lake-effect snowfall, and an atmospheric river are forecast to affect large portions of the United States from December 31, 2025, into January 2, 2026.
watchers.news
December 31, 2025 at 11:49 PM
uccawx.bsky.social
Long-duration M7.1 solar flare erupts from AR 4324

A long-duration solar flare measuring M7.1 at its peak erupted from Active Region 4324 at 13:51 UTC on December 31, 2025. The event started at 13:12 and ended at 14:11 UTC.
watchers.news/2025/12/31/l...
Long-duration M7.1 solar flare erupts from AR 4324
A long-duration solar flare measuring M7.1 at its peak erupted from Active Region 4324 at 13:51 UTC on December 31, 2025. The event started at 13:12 and ended at 14:11 UTC.
watchers.news
December 31, 2025 at 11:48 PM
uccawx.bsky.social
Back to back atmospheric rivers forecast to bring heavy rain and mountain snow to California
watchers.news/2025/12/31/b...
Back to back atmospheric rivers forecast to bring heavy rain and mountain snow to California
Heavy rain and snow are forecast across California and Sierra Nevada through January 4, 2026. The first wave will target southern California with subtropical moisture, followed by a stronger system…
watchers.news
December 31, 2025 at 11:47 PM
uccawx.bsky.social
Evacuation warnings issued for Los Angeles County burn scar areas ahead of New Year storm
watchers.news/2025/12/31/e...
Evacuation warnings issued for Los Angeles County burn scar areas ahead of New Year storm
Evacuation warnings were issued for Los Angeles County, California for multiple burn scars across the region as an atmospheric river brings in the threat of flash floods and debris flows through New…
watchers.news
December 31, 2025 at 11:46 PM
uccawx.bsky.social
Southerly winds are forecast to increase across the region on Friday. There are medium (40-70%) to high (70-100%) probabilities of wind gusts above 40 mph. These probabilities are greatest along the coast and areas of higher terrain. #weather #SFBA #CAwx
December 31, 2025 at 12:35 AM
uccawx.bsky.social
A Coastal Flood Advisory has been issued and will go into effect 5 AM Wednesday and end at 2 PM Sunday for the Pacific Coast and Bay Shorelines. Up to 1.8 ft of inundation above ground level is possible in low-lying areas near shorelines and tidal waterways. #weather #SFBA #CAwx
December 31, 2025 at 12:33 AM
uccawx.bsky.social
Subtropical moisture and re-intensified atmospheric river to impact California through New Year’s weekend #weather #AR #SFBA #CAwx
watchers.news/2025/12/30/s...
Subtropical moisture and re-intensified atmospheric river to impact California through New Year’s weekend
A surge of subtropical moisture is forecast to bring moderate to heavy rain to southern and central California on Wednesday, December 31, 2025, with rain spreading north on Thursday, January 1, 2026.
watchers.news
December 30, 2025 at 9:21 PM
uccawx.bsky.social
Low visibility could make driving conditions hazardous across the North Bay and East Bay. If driving, slow down, use your low beam headlights, and leave plenty of distance ahead of you. If commuting, allow extra drive time to reach your destination safely. #weather #SFBA #CAwx
www.weather.gov/mtr/
December 30, 2025 at 10:47 AM
uccawx.bsky.social
Tornadoes rip through Tazewell, Christian, and Macon counties, leaving thousands without power, Illinois #weather #tornadoes #ILwx
watchers.news/2025/12/29/t...
Tornadoes rip through Tazewell, Christian, and Macon counties, leaving thousands without power, Illinois
Multiple tornadoes, including an EF-1 with peak winds of 158 km/h (98 mph), touched down in Illinois on Sunday, December 28, 2025, with significant damage and power outages being reported across…
watchers.news
December 29, 2025 at 9:39 PM
uccawx.bsky.social
Earth-directed CME from M4.2 flare forecast to produce G1 geomagnetic storm on New Year’s Day #spaceweather #CME
watchers.news/2025/12/29/e...
Earth-directed CME from M4.2 flare forecast to produce G1 geomagnetic storm on New Year’s Day
A coronal mass ejection (CME) associated with an M4.2 solar flare from Region 4317 is expected to produce a G1 – Minor geomagnetic storm as it grazes Earth late on December 31 into early January 1…
watchers.news
December 29, 2025 at 9:37 PM
uccawx.bsky.social
#weather #SFBA #CAwx
nwsbayareabot.bsky.social NWS Bay Area Bot @nwsbayareabot.bsky.social · 23d
A Cold Weather Advisory is in effect tonight for much of the Interior Bay Area and Central Coast. This goes for everyone but especially those still without power: do not use generators or grills inside as carbon monoxide poisoning can result! #C... https://x.com/NWSBayArea/status/2005739495165964499
December 29, 2025 at 9:34 PM
uccawx.bsky.social
MTR issues Coastal Flood Advisory valid at Dec 31, 5:00 AM PST for Coastal North Bay Including Point Reyes National Seashore, North Bay Interior Valleys, Northern Monterey Bay, San Francisco, San Francisco Bay Shoreline... [CA] till Jan 4, 2:00 PM PST
mesonet.agron.iastate.edu/vtec/?year=2...
KMTR Coastal Flood Advisory #17
San Francisco, Coastal North Bay Including Point Reyes National Seashore, North Bay Interior Valleys, San Francisco Bay Shoreline, San Francisco Peninsula Coast, Northern Monterey Bay, Southern Monter...
mesonet.agron.iastate.edu
December 29, 2025 at 10:53 AM
uccawx.bsky.social
Over 30 weather-related crashes, one fatality reported as extreme cold and snow hit Iowa #weather #IAwx
watchers.news/2025/12/29/o...
Over 30 weather-related crashes, one fatality reported as extreme cold and snow hit Iowa
The Iowa State Patrol responded to 31 crashes during extreme winter weather on December 28, 2025, as snow, high winds, and whiteout conditions spread across the state. One person was killed…
watchers.news
December 29, 2025 at 10:47 AM
Reposted by Union City, CA Weather
nwsbayareabot.bsky.social
King tides are coming this week. Here's why in order of importance: • There's a Full Moon on 1/3 • The Moon is closest to the Earth on 1/1 • The Earth is closest to the Sun on 1/3 https://x.com/NWSBayArea/status/2005391434762146037
December 28, 2025 at 9:53 PM
Reposted by Union City, CA Weather
nwsbayareabot.bsky.social
A Cold Weather Advisory is in effect tonight for much of the Interior Bay Area and Central Coast. This goes for everyone but especially those still without power: do not use generators or grills inside as carbon monoxide poisoning can result! #CAwx https://x.com/NWSBayArea/status/2005393544391856476
December 28, 2025 at 9:53 PM
Reposted by Union City, CA Weather
mtr.weather.im
MTR issues Cold Weather Advisory valid at Dec 29, 1:00 AM PST for 9 forecast zones in [CA] till Dec 29, 9:00 AM PST Link
IEMBot Image TBD
December 28, 2025 at 7:13 PM
uccawx.bsky.social
Rapidly intensifying winter storm to strike Ontario with snow, ice, and high winds #weather #Ontario #Canada
watchers.news/2025/12/28/r...
Rapidly intensifying winter storm to strike Ontario with snow, ice, and high winds
A powerful bomb cyclone is forecast to strike Ontario bringing heavy snow, freezing rain, and severe winds from Sunday through Tuesday, December 28 to 30, 2025, as the deepening low crosses the Great…
watchers.news
December 28, 2025 at 11:59 PM
uccawx.bsky.social
Major winter storm prompts Blizzard Warnings across Minnesota, Iowa, Wisconsin, and Michigan, U.S.
#weather #blizzardwarning
watchers.news/2025/12/28/m...
Major winter storm prompts Blizzard Warnings across Minnesota, Iowa, Wisconsin, and Michigan, U.S.
Blizzard warnings have been issued across the Upper Midwest from Sunday into Monday, December 28–29, 2025, as a powerful winter storm moves toward the Great Lakes, bringing blizzard conditions to…
watchers.news
December 28, 2025 at 11:58 PM
uccawx.bsky.social
Winter Storm Ezra – Multi-hazard winter storm forecast to bring blizzard conditions and significant icing to Upper Midwest, Great Lakes and Northeast
watchers.news/2025/12/28/w...
Winter Storm Ezra – Multi-hazard winter storm forecast to bring blizzard conditions and significant icing to Upper Midwest, Great Lakes and Northeast
Winter Storm Ezra is forecast to bring severe winter weather across large parts of the United States from Sunday through Tuesday, December 28–30, 2025, as it moves from the Great Lakes into southern…
watchers.news
December 28, 2025 at 11:56 PM
Reposted by Union City, CA Weather
nwsbayareabot.bsky.social
Temperatures are expected to cool throughout this week with below normal temperatures returning for locations within the marine layer. #CAwx https://x.com/NWSBayArea/status/1955124256150327738
August 12, 2025 at 4:40 AM
Reposted by Union City, CA Weather
nwsbayareabot.bsky.social
Heading to the beach today? Be aware - there will be an increased risk for sneaker waves and rip currents due to long period southwesterly swell. Never turn your back on the ocean! #CAwx https://x.com/NWSBayArea/status/1954879384533254317
August 11, 2025 at 12:19 PM
Reposted by Union City, CA Weather
nwsbayareabot.bsky.social
Long period swell from the southwest will impact our coastline through Tuesday with some sneaker waves and increased current activity. Never turn your back on the ocean. When in doubt don't go out. #CAwx #BayAreaWX https://x.com/NWSBayArea/status/1955019312600633775
August 11, 2025 at 9:47 PM
Reposted by Union City, CA Weather
nwsbayareabot.bsky.social
We're concerned about elevated fire weather conditions through the weekend into beginning of next week, fire starts like this have the potential for rapidly spreading. Be careful out there, only you can prevent wildfires! #CAwx @ALERTCalifornia ... https://x.com/NWSBayArea/status/1953601889565593720
August 7, 2025 at 11:46 PM