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LU9DCE > ALERT 22.10.21 15:34z 69 Lines 2798 Bytes #999 (0) @ WW
BID : 7321_LU9DCE
Read: GUEST
Subj: STORM PREDICTION CENTER 22-OCT21
Path: HB9ON<IW2OHX<IQ2LB<IZ3LSV<DB0ERF<OK0NAG<OK0NBR<SV1CMG<ON0AR<GB7CIP<
N7HPX<LU9DCE
Sent: 211022/1530Z 7321@LU9DCE.TOR.BA.ARG.SOAM BPQ6.0.22
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ESTACION DE PACKET RADIO - BUENOS AIRES (GF05OM)
BOLETINES INFORMATIVOS PROGRAMADOS (BIP)
Copyright 2021 Eduardo A. Castillo
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Storm Prediction Center
en-us
None
Fri, 22 Oct 2021 02:01:02 +0000
Fri, 22 Oct 2021 02:01:02 +0000
general
1
No watches are valid as of Fri Oct 22 02:01:02 UTC 2021.
Fri, 22 Oct 2021 02:00:09 +0000
No Mesoscale Discussions are in effect as of Fri Oct 22 02:01:02 UTC 2021.
Fri, 22 Oct 2021 02:00:07 +0000
Day 1 Convective Outlook
NWS Storm Prediction Center Norman OK
0752 PM CDT Thu Oct 21 2021
Valid 220100Z - 221200Z
...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF
THE CENTRAL APPALACHIANS...AND FROM NORTH-CENTRAL ALABAMA INTO THE
SOUTHERN APPALACHIANS...
...SUMMARY...
Thunderstorms associated with strong wind gusts and a brief tornado
will be possible this evening in parts of the central Appalachians,
and from parts of north-central Alabama into the southern
Appalachians.
...Central Appalachians...
The latest water vapor imagery shows a shortwave trough over the
Great Lakes region. At the surface, a cold front is located in the
upper Ohio Valley with a narrow corridor of maximized low-level
moisture across West Virginia and western Pennsylvania. A line of
thunderstorms is located along this corridor, where the RAP is
showing weak instability with MLCAPE estimated in the 100 to 300
J/kg range. In addition, regional WSR-88D VWPs have strong
deep-layer shear suggesting that a marginal wind-damage threat may
persist for another hour or so. Strong wind gusts will be possible
along parts of the line that remain semi-organized.
...North-central Alabama into Southern Appalachians...
An upper-level trough is present on water vapor imagery across the
Ohio and Tennessee Valleys. At the surface, a cold front is located
in middle Tennessee with a moist airmass ahead of the front. The RAP
is estimating MLCAPE in the 1000 to 2000 J/kg range from
north-central Alabama into far southeast Tennessee. In addition,
regional WSR-88D VWPs show moderate deep-layer shear suggesting that
a marginal wind-damage threat could continue for another hour or so
this evening. The stronger multicells may be capable of producing a
few marginally severe wind gusts.
..Broyles.. 10/22/2021
Read more
Fri, 22 Oct 2021 00:59:52 +0000
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