Long Barn, CA Live Doppler Radar
Live radar for Long Barn, Tuolumne County: every NWS radar combined, rain, snow and ice colors, flash-flood risk, storm tracks and official warnings.
What weather hits Long Barn?
Since 1996, the National Weather Service has logged flash flooding on 10 days in the Sierra Nevada of Calaveras-Tuolumne-Southern Alpine Counties Above 5000 ft forecast zone and Tuolumne County — the most common reported hazard around Long Barn, mostly in March and July. Next come flooding (9 days) and damaging thunderstorm winds (6 days).
| Hazard | Days reported | Most recent | Worst on record |
|---|---|---|---|
| Flash flooding | 10 | Mar 2023 | Nov 22, 1996 · 1 death |
| Flooding | 9 | Mar 2023 | Mar 4, 2023 · $42 million damage |
| Damaging thunderstorm winds | 6 | Mar 2023 | Mar 21, 2017 · $1.0 million damage |
| Debris flows | 3 | Sep 2017 | Mar 6, 2014 · $50,000 damage |
| Lightning casualties & damage | 2 | Jul 2013 | Jul 1, 2013 · 1 death |
| Heavy snow & winter storms | 1 | Apr 2026 | — |
| Wildfires | 1 | Aug 1996 | — |
Source: NOAA NCEI Storm Events Database, 1996–2026 (the latest year is partial). A "day" is a date with at least one report in the Sierra Nevada of Calaveras-Tuolumne-Southern Alpine Counties Above 5000 ft forecast zone and Tuolumne County; damage is as reported, not adjusted for inflation.
How much snow does Long Barn get?
A normal year brings about 108 inches of snow to Long Barn, based on NOAA's 1991–2020 climate normals for the Cherry Valley Dam weather station 14.4 miles away. The snowiest month is usually February (26.4 in).
| Oct | Nov | Dec | Jan | Feb | Mar | Apr | May |
|---|---|---|---|---|---|---|---|
| 0.5 | 5.6 | 21.3 | 21.0 | 26.4 | 21.1 | 10.5 | 1.1 |
Normal snowfall in inches. TALON Pro compares this season's snow at your location with these normals as winter goes on.
Which radars cover Long Barn?
The closest NEXRAD Doppler radar is KDAX (Sacramento, CA), about 88 miles west-northwest. Radar beams climb as they travel, so the height of the lowest scan over town decides how low in a storm the radar can see.
| Radar | Distance | Lowest beam over Long Barn | View |
|---|---|---|---|
| KDAX Sacramento, CA | 88 mi west-northwest | 8,000 ft | Fair — the beam can pass over shallow snow and low-level rotation |
| KMUX San Francisco, CA | 116 mi west-southwest | 12,100 ft | Limited — the beam overshoots the lowest part of storms |
| KRGX Reno, NV | 120 mi north-northeast | 12,800 ft | Limited — the beam overshoots the lowest part of storms |
Beam height is the center of the 0.5° scan above the radar, with standard refraction. Mountains near a radar can block it further.
Tornado & hail history near Long Barn
Since 1950, NOAA has recorded 1 tornado within 25 miles of Long Barn. The strongest was an EF1 on March 11, 2023, which touched down about 24 miles west-southwest of town.
Hail: 5 reports of 1-inch or larger hail within 25 miles since 1955; the largest was 1.75-inch hail on July 20, 2015.
Source: NOAA Storm Prediction Center — tornadoes 1950–2025, hail 1955–2025. Distances are to each tornado's track; ratings before February 2007 use the original Fujita scale.
On TALON you get Long Barn's live radar loop, rain/snow/ice colors, flash-flood risk, storm tracks with arrival times and NWS warnings free; close-up radar and rotation detection are part of TALON Pro.
Long Barn radar FAQ
Where is the nearest weather radar to Long Barn, CA?
KDAX (Sacramento, CA), about 88 miles west-northwest. KMUX (San Francisco, CA) is 116 miles away and also covers the area.
How often does Long Barn flood?
Since 1996 the National Weather Service has logged flash flooding on 10 days in the Sierra Nevada of Calaveras-Tuolumne-Southern Alpine Counties Above 5000 ft forecast zone and Tuolumne County; the deadliest was on November 22, 1996, with 1 death. TALON's free flash-flood risk layer shows, every 2 minutes, how close the rain that has fallen is to what it takes to flood — turn it on under Layers.
Is TALON's radar for Long Barn free?
Yes — the US radar loop, rain/snow/ice colors, flash-flood risk, storm tracks and NWS warnings are free in any browser. Close-up radar, rotation detection and longer forecasts are part of TALON Pro.
Should I rely on radar for my safety?
No app replaces official warnings. When the National Weather Service issues a warning for Long Barn, follow it right away — see watch vs. warning.
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