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Topic: SPC Apr 9, 2022 1300 UTC Day 1 Convective Outlook (Read 152 times) previous topic - next topic

SPC Apr 9, 2022 1300 UTC Day 1 Convective Outlook

SPC Apr 9, 2022 1300 UTC Day 1 Convective Outlook

[html]SPC 1300Z Day 1 Outlook
     
Day 1 Outlook Image

Day 1 Convective Outlook 
NWS Storm Prediction Center Norman OK
0741 AM CDT Sat Apr 09 2022

Valid 091300Z - 101200Z

...NO SEVERE THUNDERSTORM AREAS FORECAST...

...SUMMARY...
Severe thunderstorms are not expected today or tonight.

...Synopsis...
As a highly amplified large-scale pattern persists, a deep upper
trough over the eastern CONUS is forecast to move eastward today, as
an additional upstream trough amplifies over the northern/central
Rockies and adjacent High Plains. A surface low will move across
portions of New England during the day, while a stronger cyclone
deepens over the central High Plains in response to the amplifying
upper trough. Moisture will remain quite limited across the CONUS,
resulting in a generally limited/spatially confined potential for
thunderstorms.

...New England...
Despite limited low-level moisture (dewpoints generally in the upper
30s to low 40s F), steep lapse rates and cold temperatures aloft
will support the potential for isolated to widely scattered
low-topped thunderstorms today as the surface low and attendant cold
front move eastward across the region. Small hail and/or locally
gusty winds could acco*pany the stronger convective elements, but
the overall severe risk is expected to remain low due to very
limited buoyancy.

...Central Rockies/High Plains...
Weak convection may develop across portions of the central Rockies
and adjacent High Plains this afternoon/evening, as the upper-level
trough amplifies across the region. Inverted-V profiles will support
the potential for locally strong/gusty winds across the lower
elevations, but convection is expected to remain too weak and
disorganized for an appreciable severe risk.

..Guyer/Smith.. 04/09/2022


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Source: SPC Apr 9, 2022 1300 UTC Day 1 Convective Outlook (http://ht**://www.spc.noaa.gov/products/outlook/day1otlk_1300.html)