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LU9DCE > ALERT 27.09.20 16:12z 62 Lines 3146 Bytes #999 (0) @ WW
BID : 26284_LU9DCE
Read: GUEST
Subj: STORM PREDICTION CENTER 27 09
Path: HB9ON<IW8PGT<I3XTY<GB7COW<N9PMO<GB7YEW<LU9DCE
Sent: 200927/1601Z 26284@LU9DCE.TOR.BA.ARG.SOAM BPQ6.0.20
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ESTACION DE PACKET RADIO - BUENOS AIRES (GF05OM)
BOLETINES INFORMATIVOS PROGRAMADOS (BIP)
LINUX - HELLOCODELINUX@GMAIL.COM
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SPC 0730Z Day 3 Outlook
Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0213
AM CDT Sun Sep 27 2020
Valid 291200Z - 301200Z
...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS ACROSS PORTIONS
OF THE MID-ATLANTIC STATES...
...SUMMARY... Isolated severe thunderstorms are possible across
portions of the Mid-Atlantic States on Monday.
...Synopsis... A deep upper trough is forecast to extend from Quebec
into the Lower MS Valley early Tuesday morning. An upper low embedded
within this larger trough is expected to gradually move from the
middle MS Valley southeastward through the Southeast. Southerly
mid-level flow will increase ahead of this low from GA through
the Mid-Atlantic. Progression of this upper low will aid in
the development of a modest surface low along a front initially
extending from the Mid-Atlantic southwestward through the central
FL Panhandle. This surface low will likely track northeastward
along the front while the front gradually moves eastward. Some
deepening of this surface low is possible, resulting in modest
moisture advection amid southerly/southeasterly surface wind.
This overall pattern evolution will place a modestly moist and
unstable air mass across the Mid-Atlantic states ahead of the
approaching cold front (and parent upper trough). Previously
mentioned strengthening low to mid-level winds ahead of the
approaching upper low atop modest southerly/southeasterly surface
winds will contribute to at least moderate vertical shear. While
some uncertainties remain, including the amount of destabilization
as well as the strength of the surface low and frontal position, the
environment appears likely to support at least low severe potential.
Refinement to this outlook area are likely in subsequent forecasts.
..Mosier.. 09/27/2020
Day 4-8 Outlook
Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK
0340 AM CDT Sun Sep 27 2020
Valid 301200Z - 051200Z
...DISCUSSION... Upper troughing is expected to persist across
the central and eastern CONUS from D4/Wednesday through the
weekend. Stable continental air mass and surface ridging associated
with this upper troughing will likely keep thunderstorm potential
confined to south FL. The only exception is early D4/Wednesday near
a surface low over the Carolinas. Persistent upper ridging is also
expected to preclude thunderstorm development over the western CONUS.
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Solo los sabios mas excelentes y los necios mas acabados son
incomprensibles.
-- Confucio. (551-479 a.C.) Filosofo y estadista chino.
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