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LU9DCE > ALERT 19.08.21 15:36z 76 Lines 3237 Bytes #999 (0) @ WW
BID : 4054_LU9DCE
Read: GUEST
Subj: STORM PREDICTION CENTER 19-AGO.21
Path: HB9ON<IW2OHX<IW0QNL<IZ3LSV<IQ2LB<IR2UFV<N3HYM<VE3CGR<KA1VSC<LU9DCE
Sent: 210819/1531Z 4054@LU9DCE.TOR.BA.ARG.SOAM LinBPQ6.0.21
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ESTACION DE PACKET RADIO - BUENOS AIRES (GF05OM)
BOLETINES INFORMATIVOS PROGRAMADOS (BIP)
Copyright 2021 - Eduardo A. Castillo
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SPC Forecast Products Storm Prediction Center en-us None
spc.feedback@noaa.gov (spc.feedback@noaa.gov)
spc.feedback@noaa.gov (spc.feedback@noaa.gov) Thu, 19 Aug 2021
03:02:02 +0000 Thu, 19 Aug 2021 03:02:02 +0000 general 1
SPC Forecast Products
SPC - No watches are valid as of Thu Aug 19 03:02:02 UTC 2021 No
watches are valid as of Thu Aug 19 03:02:02 UTC 2021. Thu, 19
Aug 2021 03:01:06 +0000
SPC - No MDs are in effect as of Thu Aug 19 03:02:02 UTC 2021
No Mesoscale Discussions are in effect as of Thu Aug 19
03:02:02 UTC 2021. Thu, 19 Aug 2021 03:01:05 +0000
SPC Aug 19, 2021 0100 UTC Day 1 Convective Outlook SPC 0100Z Day
1 Outlook
Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0751 PM
CDT Wed Aug 18 2021
Valid 190100Z - 191200Z
...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF
THE MIDDLE ATLANTIC...
...SUMMARY...
Tornado potential will continue tonight across parts of the
Mid-Atlantic region in association with post-Tropical Cyclone Fred.
...Post-Tropical Cyclone Fred...
Remnants of Fred are ejecting northeast across eastern PA and the
center of this old circulation appears to be near Northumberland
County. An arcing band of strong convection extends across
Schuylkill-Berks-York County, moving east around 20-25kt. Vertical
shear remains sufficiently strong for weak supercells, but the primary
storm mode is more linear in nature with few discrete structures. 00z
sounding from IAD, along the southwestern flank of this system,
exhibits substantial veering, though adequately sheared for organized
line segments and possible bowing structures. Greatest risk with this
advancing line of storms is isolated damaging winds, but a tornado or
two can not be ruled out.
...Elsewhere...
Weak short-wave trough is lifting northeast across the Bootheel of MO
with increased mid-level flow observed along a corridor from northern
MS into middle TN. This appears to be influencing a cluster of
convection across the TN Valley region. A few strong wind gusts appear
possible with this convection for the next few hours.
Farther west across the UT region, mid-level heights are falling
across the Great Basin as upper troughing settles south across ID into
NV/UT. Convection has gradually weakened over the last few hours as
the primary corridor of storms shifts south. Boundary-layer cooling
will also prove detrimental for organized severe across this region.
..Darrow.. 08/19/2021
Read more
Thu, 19 Aug 2021 01:00:33 +0000
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