TW1Analyst
Severe Weather Command Center
Point Forecast
Open‑Meteo • 7‑Day
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Activate FORECAST mode, then click anywhere on the map.
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Volume Render
3D Radar Storm Model
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⬡
REFLECTIVITY
Switch product via toolbar
Select a radar station, then draw a box on the map.
OPACITY / DBZ TRANSFER FUNCTION
Drag to set opacity per dBZ level
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Cross Section
Vertical Radar Slice
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Select a radar station first, then press CROSS SECT.
OPACITY / DBZ TRANSFER FUNCTION
Drag to set opacity per dBZ level
Settings
Display & Rendering
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Rendering
Smooth 2D Radar
Blend adjacent rays and gates instead of NEXRAD's native pie-slice shading.
Smooth Cross Section
Interpolate between azimuths and soften ray-stepping in the vertical slice.
Radar Opacity
Fade the radar overlay to see the base map underneath.
100%
Map Overlays
Range Rings
Concentric range circles around the selected radar site.
Ring spacing
25 nm
50 nm
100 nm
Velocity
Velocity Dealiasing
Unfolds velocity that wraps past the Nyquist limit (e.g. a real +58kt gate reading as -6kt). Experimental — turn off if you see stray flipped range bins or beams.
Storm Relative Motion
Subtracts storm motion from base velocity to help reveal rotation and inbound/outbound couplets.
Storm speed (kt)
Direction (° from)
History
Load an archived scan
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Date & Time (your local time)
Date
Time
Load Historical Scan
Also fetch for that time
Local Storm Reports
Warnings
mPING Reports
Return to Live
Radar Products
Select Moment
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Legend
Symbols & Colors
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Warnings
Tornado Warning
Severe Thunderstorm Warning
Special Weather Statement
Special Marine Warning
Reports
mPING Reports
NWS Local Storm Reports
Warning
National Weather Service • Active Alert
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Headline
Areas Affected
Timing
STATUS
Initializing…