May 3, 1999 WSR-88D images
from the Chickasha/Newcastle/Moore/OKC/Midwest City tornadoes
(scroll down for the complete timeline)
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A vertical cross-section through the TVS (scale is in km) |
These images were captured from NSSL's Warning Decision Support System
running on the KTLX (Twin Lakes) radar. All times include a "broad
view", with 0.5 degree reflectivity and storm-relative radial velocity
shown (earlier images may have base velocity instead). These images
are of the storm that eventually hit the south OKC metro area. Basically,
I just captured the images as I was browsing the data, so the "extra" images
that are shown are of a somewhat random nature.
Some notes:
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All units are in metric. The Azimuth and Range to the center of the
image are typically given in the lower right-hand corner of most images.
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"8-panel" images show reflectivity and velocity at various heights through
the storm (or tornado). Height of the center of each image is given
in the lower right corner.
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"x-section" images are vertical cross sections, usually shown with a (quasi-)horizontal
ref/vel image that contains the line along which the cross-section was
taken. All of these images are either cross-radial or along a radial.
Note: Look at the 8-panel images if you want to see the "good stuff"
without the algorithm output covering it up!
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2119 UTC
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2124 UTC
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2129 UTC
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2134 UTC,
4-panel
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2139 UTC,
x-section
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2144 UTC
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2149 UTC
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2154 UTC
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2159 UTC,
8-panel
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2204 UTC,
8-panel
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2209 UTC,
8-panel
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2214 UTC,
8-panel
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2219 UTC,
8-panel,
x-section
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2224 UTC(NW
of Cyril), 8-panel
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2229 UTC,
8-panel
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2234 UTC,
8-panel
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2239 UTC,
8-panel
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2245 UTC,
8-panel,x-section
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2250 UTC,
8-panel,x-section,
another
image
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2255 UTC,
8-panel,
x-section
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2300 UTC (radar
down for 15 minutes)
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2316 UTC (N
side of Chickasha), 8-panel
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2321 UTC,
8-panel,
8-panel2,
x-sect,
x-sect2
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2326 UTC,
8-panel
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2331 UTC (TVS
over Amber), 8-panel
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2336 UTC,
8-panel,x-sect
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2341 UTC,
8-panel,
x-sect,
x-sect2
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2346 UTC,
8-panel,x-sect,
x-sect2
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2351 UTC (SW
of Newcastle), 8-panel,
x-sect
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2356 UTC,
8-panel,
x-sect
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0002 UTC,
8-panel
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0007 UTC,
8-panel,8panel2,
x-sect,x-sect2,
x-sect3
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0012 UTC (Crossing
Canadian River), 8-panel,
x-sect,
x-sect2
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0017 UTC (West
Moore), 8-panel,
x-sect,x-sect2,
x-sect3
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0022 UTC,
8-panel,
x-sect,x-sect2,x-sect3
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0027 UTC (I-35
in Moore), 8-panel,8-panel2,
8-panel3,
8-panel4,
x-sect,x-sect2
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0032 UTC (I-240),
8-panel,8-panel2,
8-panel3,
8-panel4,
x-sect,x-sect2
(cross-radial,
with high-reflectivity debris apparently surrounding the tornado's core)
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0037 UTC (West
of TIK) 8-panel2,
8-panel3,
8-panel4,
x-sect,
x-sect2
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0042 UTC (Del/Midwest
City), 8-panel2,
8-panel3,
8-panel4,x-sect,
x-sect2
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0047 UTC,
8-panel2,
8-panel3
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0052 UTC
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0057 UTC
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0102 UTC
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0106 UTC
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0111 UTC
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0116 UTC
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0121 UTC
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0126 UTC
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0131 UTC
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0136 UTC
Travis Smith
smith@nssl.noaa.gov