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FXUS01 KWBC 131938

PMDSPD



Short Range Forecast Discussion

NWS Weather Prediction Center College Park MD

337 PM EDT Sat Apr 13 2024



Valid 00Z Sun Apr 14 2024 - 00Z Tue Apr 16 2024



...Heavy mountain snow in California through Sunday...



...Severe thunderstorms possible over interior portions of the

Northeast on Sunday...



...Well above average temperatures across the Central U.S....





A potent mid-level cut-off low will propagate through interior

portions of the West and influence impactful weather through early

next week. Heavy snow will develop over the Sierra Nevada and

Shasta Siskiyous tonight and continue through Sunday afternoon as

the upper trough moves ashore. Snowfall totals between 6-12 inches

are likely to accumulate over the next 24 hours for the California

mountain ranges, with locally higher amounts possible at the

highest elevations. Light rain/snow showers will come to an end

over interior New England tonight. Snow and rain impacts will come

to an end over California on Sunday as the upper trough shifts

into the Four Corners region.



Energy circulating around the southern periphery of an upper

trough stationed over northern Quebec will influence potentially

impactful severe weather across parts of the Northeast on Sunday.

A fast moving surface low pressure system will swing through the

region during the day and promote scattered to isolated showers

and thunderstorms from the Ohio Valley into the Northeast. The

Storm Prediction Center issued an Enhanced Risk of Severe

Thunderstorms over parts of Pennsylvania for Sunday with the

primary threat being damaging winds with a tornado or two and

large hail also possible. Things should clear up in the Northeast

by Monday.



Amplified troughing in the West will support below average

temperatures across California, Nevada and into the Four Corners

region through Monday. Downstream of this, southerly flow beneath

an upper ridge and will allow for anomalous warmth to expand

across the central U.S. and eastern parts of the country. High

temperature anomalies in those places are expected to be between

15-25 degrees above average over the next couple of days. A

serious severe weather event is likely to unfold over parts of the

Central/Southern Plains on Monday night.





Kebede





Graphics available at

https://www.wpc.ncep.noaa.gov/basicwx/basicwx_ndfd.php



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