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LU9DCE > ALERT 20.05.21 16:36z 75 Lines 2891 Bytes #999 (0) @ WW
BID : 927_LU9DCE
Read: GUEST
Subj: STORM PREDICTION CENTER 20 05
Path: HB9ON<IW8PGT<IZ3LSV<I3XTY<I0OJJ<LU4ECL<LU9DCE
Sent: 210520/1631Z 927@LU9DCE.TOR.BA.ARG.SOAM BPQ6.0.21
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ESTACION DE PACKET RADIO - BUENOS AIRES (GF05OM)
BOLETINES INFORMATIVOS PROGRAMADOS (BIP)
Copyright 2021 Eduardo A. Castillo
+----------------------------------------------------------------------------+
Storm Prediction Center
en-us
None
Thu, 20 May 2021 02:46:02 +0000
Thu, 20 May 2021 02:46:02 +0000
general
1
No watches are valid as of Thu May 20 02:46:02 UTC 2021.
Thu, 20 May 2021 02:45:07 +0000
No Mesoscale Discussions are in effect as of Thu May 20 02:46:02 UTC 2021.
Thu, 20 May 2021 02:45:06 +0000
Day 1 Convective Outlook
NWS Storm Prediction Center Norman OK
0803 PM CDT Wed May 19 2021
Valid 200100Z - 201200Z
...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS FOR SOUTHERN
MINNESOTA...
...SUMMARY...
A couple brief tornadoes will be possible this evening across
southern Minnesota.
...Southern MN...
Several small rotating cells have been noted across southern MN this
evening. While instability is generally weak across the region
(MLCAPE of 500 J/kg or less), an increasing low-level jet and the
presence of a weak surface boundary may support a brief tornado or
two for a time this evening before cells diminish with time tonight.
See MCD 690 for more information.
...East TX into Western LA...
Convection will likely continue to spread into portions of east TX
into western LA for much of tonight, on the northern edge of an
extensive MCS over the Gulf of Mexico. Modestly enhanced low-level
shear may result in some brief rotation with the stronger convective
elements, though the overall threat appears too low to add tornado
or wind probabilities.
...Southwest TX into the TX Panhandle/western OK...
Locally strong thunderstorms may persist for a while this evening
across portions of southwest TX and also across portions of the TX
Panhandle into western OK, but a general weakening trend is expected
with time as boundary-layer cooling/stabilization commences this
evening.
...Northern Plains...
Convection may persist for much of the evening from central/eastern
ND into northwest MN, in the vicinity of a surface boundary. Weak
deep-layer shear should continue to limit updraft organization. Any
remaining threat of locally damaging wind gusts or a brief landspout
should diminish near or shortly after 01Z, as low-level lapse rates
weaken with the onset of nocturnal cooling.
..Dean.. 05/20/2021
Read more
Thu, 20 May 2021 01:07:33 +0000
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