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ACUS11 KWNS 061936
SWOMCD
SPC MCD 061935=20
GAZ000-062100-

Mesoscale Discussion 0425
NWS Storm Prediction Center Norman OK
0235 PM CDT Wed Apr 06 2022

Areas affected...Portions of southern/central GA

Concerning...Tornado Watch 100...

Valid 061935Z - 062100Z

The severe weather threat for Tornado Watch 100 continues.

SUMMARY...Large hail and isolated tornadoes will remain possible
this afternoon as storms move northeastward across Georgia.

DISCUSSION...A mix of multicells and supercells has developed this
afternoon across parts of southern/central GA. Some of the
supercells have exhibited low-level rotation, with around 100-150
m2/s2 of 0-1 km SRH present across this region per recent
mesoanalysis estimates and VWPs from KJGX. Deep-layer shear around
25-35 kt remains on the marginal side for sustained supercells. But,
recent radar trends do show a couple of supercells persisting within
the emerging cluster of storms across west-central GA. A tornado
will remain possible in the near term given adequate low-level
shear, especially with any storms that can remain at least
semi-discrete. Large hail will also be a concern given the moderate
to strong instability (2000-2500 J/kg of MLCAPE) and steep mid-level
lapse rates noted on 18Z observed soundings from BMX/TLH/FFC. If
ongoing storms can congeal into a small cluster, then damaging winds
may eventually become more of a concern.

..Gleason.. 04/06/2022

...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!phyr34gTnAY2CXlhtW3gLGYs_96iubnlIW6lTkhvzk0FondpVzaya43FTQYGNQgm06-dXhnS$=
for graphic product...

ATTN...WFO...FFC...TAE...

LAT...LON 31538414 31728462 31978480 32398475 32858409 33208306
33158239 32658235 32128287 31698339 31558376 31538414=20



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ACUS11 KWNS 010704
SWOMCD
SPC MCD 010703=20
MSZ000-LAZ000-010830-

Mesoscale Discussion 0425
NWS Storm Prediction Center Norman OK
0203 AM CDT Sat Apr 01 2023

Areas affected...portions of western and central Mississippi into
parts of northeastern and central Louisiana

Concerning...Tornado Watch 99...

Valid 010703Z - 010830Z

The severe weather threat for Tornado Watch 99 continues.

SUMMARY...Local risk for damaging winds or perhaps a brief tornado
continues from central Louisiana northeastward across west-central
Mississippi.

DISCUSSION...Latest radar loop shows a cluster of strong/locally
severe storms -- which has included occasional/weak circulation in a
couple of the strongest updrafts -- moving eastward across
northeastern Louisiana and adjacent west-central Mississippi. While
storms have remains somewhat subdued, intensity-wise, over the past
hour or so, the downstream airmass remains moist and amply unstable.
With KDGX WSR-88D VWP indicating that ample shear persists across
this region, potential for severe-weather risk to continue remains
evident. At some point, new WW issuance may need to be considered
into east-central Mississippi.

..Goss.. 04/01/2023

...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!-2ynPOdz7lCSV9Hcb5dqaWWHAJKCRRSig-YhkZPyX6hOQ4id8hnMkdyHVFIQ2eNtS8awe3JW4= SOfGbdeqGp8RMrQado$ for graphic product...

ATTN...WFO...MEG...JAN...SHV...

LAT...LON 31829277 32459139 33399087 33968943 33718879 33378833
32198890 31638992 31499151 31539290 31829277=20


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ACUS11 KWNS 112244
SWOMCD
SPC MCD 112243=20
MDZ000-WVZ000-PAZ000-VAZ000-120045-

Mesoscale Discussion 0425
NWS Storm Prediction Center Norman OK
0543 PM CDT Thu Apr 11 2024

Areas affected...West Virginia...Far Western Maryland...Far
Southwest Pennsylvania

Concerning...Tornado Watch 105...

Valid 112243Z - 120045Z

The severe weather threat for Tornado Watch 105 continues.

SUMMARY...An isolated tornado and wind-damage threat is expected to
continue across parts of the central Appalachians for several more
hours this evening. At this time, it appears that new watch issuance
to the east of the ongoing watch will be unlikely.

DISCUSSION...The latest water vapor imagery shows an upper-level
trough over the Ohio and Tennessee Valleys, with the exit region of
a mid-level jet moving across the central Appalachians. Large-scale
ascent appears to be maximized within this feature, which will
continue to support scattered thunderstorm development this evening.
The exit region of the jet was also creating moderate deep-layer
shear over the top of a weakly unstable airmass, with MLCAPE
estimated between 250 and 500 J/kg. The instability and shear should
be just enough to continue an isolated tornado and wind-damage
threat over the next few hours with the watch. An isolated severe
threat could also develop just to the east of the current watch, but
the magnitude of the threat is expected to be too marginal for new
weather watch issuance.

..Broyles.. 04/11/2024

...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!7Z3CAm3PlGxBpLQO-Z4RrVSoJo6RD63sEBVt5d6LWB4BrdIA51P8f2Gv_x2uKu5aArvsrMBtc= OGzo4dAOeP7177JxYw$ for graphic product...

ATTN...WFO...CTP...LWX...RNK...PBZ...RLX...

LAT...LON 37518051 37348117 37458191 37848214 38518186 39378104
39978011 39807892 39257887 38637931 37518051=20


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