KSOX radar — Santa Ana Mountains, CA
KSOX is the National Weather Service's WSR-88D Doppler radar for the Santa Ana Mountains area, operated with the NWS office SGX. View it live in TALON — the loop, super-res reflectivity, storm-relative velocity, rotation and correlation coefficient.
| Station | KSOX (Santa Ana Mountains, California) |
|---|---|
| Location | 33.8180°, -117.6360° · Orange County |
| Elevation | 3,104 ft above sea level |
| Type | WSR-88D (NEXRAD) S-band dual-polarization Doppler radar |
| Products in TALON | Super-res reflectivity (0.25 km), velocity, storm-relative velocity, rotation (azimuthal shear), correlation coefficient PRO |
How high can KSOX see?
A radar beam travels in a nearly straight line while the Earth curves away underneath it, so the farther a storm is from KSOX, the higher above the ground the radar is looking. Tornadoes start in the lowest few thousand feet, so storms close to the radar show low-level rotation much better.
| Distance from KSOX | Lowest scan (0.5°) | Next scan (1.5°) |
|---|---|---|
| 10 mi | 500 ft | 1,400 ft |
| 25 mi | 1,500 ft | 3,800 ft |
| 50 mi | 3,600 ft | 8,200 ft |
| 75 mi | 6,300 ft | 13,200 ft |
| 100 mi | 9,600 ft | 18,800 ft |
| 150 mi | 18,200 ft | 32,000 ft |
Height of the beam's center above the radar, using standard refraction. Terrain can raise or block the beam.
Severe weather inside KSOX's range
Since 1950, NOAA has recorded 120 tornadoes within 60 miles of the KSOX radar, 7 of them rated EF2/F2 or stronger. They have been most common in January and February. The strongest was an F2 on March 1, 1983, which passed about 44 miles west-northwest of the radar. The most recent was an EF0 on March 13, 2025, which touched down about 28 miles west-northwest of the radar.
Hail: 41 reports of hail 1 inch or larger within 60 miles of the KSOX radar since 1955, 2 of them 2 inches or larger. The largest was 2.75-inch hail (baseball size) on September 2, 1960.
| Tornadoes since 1950 | 120 |
| EF2/F2 or stronger | 7 |
| Strongest tornado | F2 · Mar 1983 |
| Busiest tornado month | January |
| Largest hail | 2.75 in · Sep 1960 |
Source: NOAA Storm Prediction Center severe weather database — tornadoes 1950–2025, hail 1955–2025 (the latest year is preliminary). Distances are to each tornado's recorded track; ratings before February 2007 use the original Fujita (F) scale.
Nearby radars
- KNKX · San Diego, CA 71 mi
- KEYX · Edwards AFB, CA 89 mi
- KVTX · Los Angeles, CA 97 mi
- KVBX · Vandenberg AFB, CA 173 mi
- KYUX · Yuma, AZ 195 mi
KSOX radar FAQ
How often does KSOX update?
Every NEXRAD radar completes a full scan about every 4–6 minutes in storm mode, and repeats the lowest tilt more often (SAILS) during severe weather. TALON loads each new scan as it arrives.
What is the range of KSOX?
Reflectivity reaches about 290 miles and velocity about 185 miles, but useful low-level detail is within roughly 100 miles — see the table above.
Is KSOX down?
Radars occasionally go offline for maintenance. When one does, TALON's US radar map fills the gap from neighboring radars (KNKX, KEYX, KVTX).