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Topic: SPC Aug 8, 2024 0100 UTC Day 1 Convective Outlook (Read 27 times) previous topic - next topic

SPC Aug 8, 2024 0100 UTC Day 1 Convective Outlook

SPC Aug 8, 2024 0100 UTC Day 1 Convective Outlook

[html]SPC 0100Z Day 1 Outlook
     
Day 1 Outlook Image

Day 1 Convective Outlook 
NWS Storm Prediction Center Norman OK
0754 PM CDT Wed Aug 07 2024

Valid 080100Z - 081200Z

...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS PART OF THE
CENTRAL HIGH PLAINS AND IN EASTERN NORTH CAROLINA...

...SUMMARY...
Scattered strong to severe storms with severe wind gusts and
isolated large hail will continue across parts of the central High
Plains this evening. An isolated tornado threat will also continue
along and near the Atlantic Coast in North Carolina.

...c*astal North Carolina/Far Eastern South Carolina...
Tropical Storm Debby will continue move slowly northwestward, moving
inland this evening into eastern South Carolina. Rainbands currently
extend from near the center of Debby into eastern South Carolina and
southern North Carolina. The WSR-88D VWP near Wilmington, North
Carolina has 0-1 km storm-relative helicity near 200 ms2/s2 with
gradually veering winds in the low to mid-levels. This, co*bined
with surface dewpoints in the upper 70s F, will support a tornado
threat this evening. Tornadoes will be possible mainly with cells
that can beco*e semi-discrete within the rainbands of Debby. The
threat could continue into the late evening and early overnight as
Debby moves across South Carolina.

...Central High Plains...
The latest water vapor imagery shows evidence of a subtle shortwave
trough over the central High Plains. Near this feature, scattered
thunderstorms are ongoing from western Nebraska into eastern
Colorado. The storms are located along the western edge of a pocket
of moderate instability, where the RAP is analyzing MLCAPE in the
1500 to 2500 J/kg range. RAP forecast soundings near the instability
axis early this evening have 0-6 km hear in the 30 to 40 knot range,
with 700-500 mb lapse rates of 7 to 8 C/km. This will continue to
support isolated large hail within rotating cells this evening.
Severe wind gusts will also be possible near and just ahead of the
more intense line segments. The potential for severe wind gusts
should continue for much of the evening as the cluster of storms
moves across southwest Nebraska and northwest Kansas.

..Broyles.. 08/08/2024


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Source: SPC Aug 8, 2024 0100 UTC Day 1 Convective Outlook (http://ht**://www.spc.noaa.gov/products/outlook/day1otlk_0100.html)