SPC Sep 10, 2022 1630 UTC Day 1 Convective Outlook
[html]SPC 1630Z Day 1 Outlook
Day 1 Convective Outlook
NWS Storm Prediction Center Norman OK
1127 AM CDT Sat Sep 10 2022
Valid 101630Z - 111200Z
...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS OVER PARTS OF
THE SOUTHEAST AND DESERT SOUTHWEST STATES....
...SUMMARY...
Isolated, marginally severe convective gusts, or a brief tornado,
may occur over parts of the southeast states, and the desert
southwest.
...Southeast...
A persistent upper low remains over LA today, with a plume of deep,
moist southerly flow across much of the southeast states.
Widespread showers and thunderstorms have been occurring this
morning over the eastern Gulf of Mexico. This activity will spread
inland this afternoon and affect much of FL/GA. Other more isolated
storms will affect parts of the Carolinas this afternoon. Wind
fields are modest, but ample moisture and localized enhancements to
shear may result in locally damaging wind gusts or perhaps a tornado
or two. Refer to MCDs #1773 and #1774 for further small-scale
details.
...NV/CA...
A band of relatively strong easterly mid-level winds extends across
northern AZ into southern NV today. Most 12z CAM guidance shows
increasing thunderstorm activity along this corridor this afternoon.
Forecast soundings show unusually high PWAT values, promoting a risk
of gusty/damaging wind gusts in the strongest cells. The area of
highest threat appears to extend from northern Death Valley into the
deserts of southwest NV.
..Hart/Moore.. 09/10/2022
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Source: SPC Sep 10, 2022 1630 UTC Day 1 Convective Outlook (http://ht**://www.spc.noaa.gov/products/outlook/day1otlk_1630.html)