Knoxville Radar
NEXRAD Radar
Type
Base Reflectivity 0.50° Elevation
Range
124 NMI
Base Reflectivity Range
Base Reflectivity 0.50° Elevation 124 NMI range
Base Reflectivity 1.45° Elevation 124 NMI range
Base Reflectivity 2.40° Elevation 124 NMI range
Base Reflectivity 3.35° Elevation 124 NMI range
Base Reflectivity 0.50° Elevation 248 NMI range
Composite Reflectivity 124 NMI range
Level II Base Reflectivity 0.50° Elevation 248 NMI range
Base Radial Velocity Range
Base Radial Velocity 0.50° Elevation 124 NMI range
Base Radial Velocity 1.45/1.50° Elevation 124 NMI range
Storm Relative Mean Radial Velocity Range
Storm Relative Mean Radial Velocity 0.5° Elevation 124 NMI range
Storm Relative Mean Radial Velocity 1.45° Elevation 124 NMI range
Storm Relative Mean Radial Velocity 2.40° Elevation 124 NMI range
Storm Relative Mean Radial Velocity 3.35° Elevation 124 NMI range
Rainfall Accumulation Range
Storm Total Surface Rainfall Accumulation 124 NMI range
1 Hour Running Surface Rainfall Accumulation 124 NMI range
More Information Range
Vertically Integrated Liquid 124 NMI range
Echo Tops 124 NMI range
Velocity Azimuth Display Wind Profile 124 NMI range
Animate Map Storm Tracks Total Precipitation Show Severe Regional
Zoom Map Click:
 Zoom In Zoom Out Pan Map (Full Zoom Out)
 
Be sure to check out our new
3D Radar Beta!
Radar Controls
Current Station: MRX
U.S. NEXRAD Radar Stations
= Current Station
= Station is Down
Current Station = TDWR Station (High Def)
Animate:
Frames
Frame Delay:
Zoom:
Labels:
Smoothing:
Clutter:
Storms:
Rain/Snow:
Lightning (experimental):
Remember These Settings

Get 4 hours (40 frames) of animation plus other great benefits. Click here to upgrade!

Learn More About Radar
Related Information

Radar Archive

Radar Archive
View a 24-hour animated loop for this region by selecting a date below. Please note, this image may take a moment to generate.
Archive begins January 1st, 2005.

View Archived Image

Weather Links
Doppler Radar Detected Storms
  ID Max Top VIL Severe Hail Hail Max Hail Size Speed Direction (from)
N2 64 dBZ 37,000 ft. 52 kg/m² 70% chance 100% chance 1.25 in. 14 knots S (191)
1 N4 63 dBZ 25,000 ft. 37 kg/m² 70% chance 90% chance 1.25 in. 8 knots SW (216)
Q1 62 dBZ 24,000 ft. 32 kg/m² 30% chance 70% chance 0.75 in. 10 knots SW (224)
2  U3 62 dBZ 18,000 ft. 31 kg/m² 20% chance 50% chance 0.50 in. 17 knots SW (232)
O3 61 dBZ 30,000 ft. 32 kg/m² 10% chance 90% chance 0.50 in. 8 knots SSW (210)
2  G4 61 dBZ 21,000 ft. 26 kg/m² 10% chance 50% chance 0.50 in. 19 knots SSW (201)
2  N3 60 dBZ 14,000 ft. 20 kg/m² 0% chance 0% chance 0.00 in. 17 knots SSW (201)
2  N1 60 dBZ 14,000 ft. 18 kg/m² 0% chance 0% chance 0.00 in. 21 knots SSW (212)
2  L2 59 dBZ 17,000 ft. 16 kg/m² 0% chance 0% chance 0.00 in. 10 knots SW (234)
2  C2 58 dBZ 19,000 ft. 29 kg/m² 0% chance 50% chance <0.50 in. 25 knots SW (226)
U2 57 dBZ 27,000 ft. 33 kg/m² 10% chance 80% chance 0.50 in. 10 knots S (176)
M4 57 dBZ 26,000 ft. 34 kg/m² 10% chance 70% chance 0.50 in. 25 knots SW (224)
T4 56 dBZ 24,000 ft. 22 kg/m² 20% chance 80% chance 0.50 in. New Cell
2  W2 56 dBZ 14,000 ft. 16 kg/m² 0% chance 0% chance 0.00 in. 16 knots SW (230)
2  Y1 56 dBZ 12,000 ft. 14 kg/m² 0% chance 0% chance 0.00 in. 23 knots WSW (239)
2  S2 55 dBZ 18,000 ft. 22 kg/m² 0% chance 60% chance 0.50 in. 23 knots SSW (199)
2  X2 55 dBZ 16,000 ft. 21 kg/m² 0% chance 20% chance <0.50 in. 23 knots SW (224)
2  S3 55 dBZ 10,000 ft. 10 kg/m² 0% chance 0% chance 0.00 in. 19 knots SW (221)
2  Z1 54 dBZ 17,000 ft. 10 kg/m² 0% chance 20% chance <0.50 in. 8 knots SSW (210)
2  C4 53 dBZ 21,000 ft. 10 kg/m² 0% chance 40% chance <0.50 in. 2 knots W (259)
2  O2 53 dBZ 23,000 ft. 16 kg/m² 0% chance 0% chance 0.00 in. 17 knots SW (221)
1 T3 53 dBZ 15,000 ft. 15 kg/m² 0% chance 0% chance 0.00 in. 19 knots SSW (201)
2  B3 53 dBZ 14,000 ft. 14 kg/m² 0% chance 0% chance 0.00 in. 21 knots SW (224)
2  V4 53 dBZ 12,000 ft. 9 kg/m² 0% chance 0% chance 0.00 in. New Cell
2  O4 52 dBZ 19,000 ft. 13 kg/m² 0% chance 0% chance 0.00 in. 10 knots SE (124)
2  F4 50 dBZ 20,000 ft. 6 kg/m² 0% chance 40% chance <0.50 in. 10 knots SW (219)
1 Y3 50 dBZ 18,000 ft. 12 kg/m² 0% chance 0% chance 0.00 in. 19 knots SW (234)
2  P2 50 dBZ 16,000 ft. 11 kg/m² 0% chance 0% chance 0.00 in. 17 knots SSW (195)
2  U4 49 dBZ 25,000 ft. 15 kg/m² NA% chance NA% chance NA in. New Cell
W4 48 dBZ 33,000 ft. 9 kg/m² 0% chance 90% chance <0.50 in. New Cell
2  Y2 48 dBZ 18,000 ft. 11 kg/m² 0% chance 10% chance <0.50 in. 14 knots SW (231)
2  Z4 48 dBZ 14,000 ft. 4 kg/m² 0% chance 10% chance <0.50 in. New Cell
= Tornado Vortex Signature = Mesocyclone = Hail