ACUS11 KWNS 082330
SWOMCD
SPC MCD 082329=20
PAZ000-OHZ000-090030-

Mesoscale Discussion 1667
NWS Storm Prediction Center Norman OK
0629 PM CDT Mon Aug 08 2022

Areas affected...portions of far northeast Ohio into extreme
northwest Pennsylvania

Concerning...Severe potential...Watch unlikely=20

Valid 082329Z - 090030Z

Probability of Watch Issuance...5 percent

SUMMARY...A couple of damaging gusts may occur with an approaching
line of storms moving ashore. The severe threat is expected to
remain brief and localized.

DISCUSSION...KCLE and MRMS mosaic radar imagery, and NLDN lightning
data all depict the strengthening of a line of thunderstorms over
lake Ontario that is rapidly approaching the OH shoreline. This line
of storms is located along the southern end of relatively stronger
500 mb flow, with 25-40 kts of effective bulk shear vectors showing
some normal orientation to the strengthening convection. 1000-1500
J/kg MLCAPE does reside ahead of the storms on land, but in a
relatively narrow corridor. 23Z mesoanalysis depicts a small region
of 7 C/km 0-3km lapse rates across northeast OH, and this may
promote efficient downward momentum transport and subsequent
isolated damaging gust potential over the next couple of hours.
Thereafter, storms should gradually wane in intensity as they
approach more stable air and nocturnal cooling sets in.

..Squitieri/Guyer.. 08/08/2022

...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!5LzEusXiFO0gbJGOVCS6qPCOT1REotfYe3aCJR4whb0OvT3yWQczpbeJms-EXbjdhjKmBBzGH= yS9XcLU8o7-Cs-9ZR4$ for graphic product...

ATTN...WFO...PBZ...CLE...

LAT...LON 41158286 41478215 41648140 41868072 41968022 41827989
41497987 41068025 40898097 40798153 40788226 40818269
41158286=20


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ACUS11 KWNS 211938
SWOMCD
SPC MCD 211938=20
ALZ000-TNZ000-MSZ000-212045-

Mesoscale Discussion 1667
NWS Storm Prediction Center Norman OK
0238 PM CDT Fri Jul 21 2023

Areas affected...western Tennessee...northern Mississippi

Concerning...Severe Thunderstorm Watch 535...

Valid 211938Z - 212045Z

The severe weather threat for Severe Thunderstorm Watch 535
continues.

SUMMARY...Damaging wind threat continues within WW535.

DISCUSSION...A line of storms moving across western Tennessee
continues to show intensification. The line maintains a well defined
bowing segment and rear inflow jet with the apex of the bow moving
into Hardeman and Madison counties in Tennessee. A recent report of
a 54 mph gusts was noted from the Memphis International Airport as
the storms moved through the Memphis metro. Radar continues to show
60-70 kt flow just off the surface. Ahead of the line, daytime
heating has allowed for temperatures in the mid to upper 80s (some
90s across northern Alabama) and MLCAPE around 2000 J/kg. Damaging
winds are expected to continue as the line advances eastward into
unstable air downstream.

..Thornton.. 07/21/2023

...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!7nleKW2BtU5BoEEw4tY4ArkpPcZB9cNuC9xNGY9ISVHruxNhWEhPNXyBKgjHAxlSJ6JPCztCy= 90dWhuPybxMf3ea5pg$ for graphic product...

ATTN...WFO...HUN...MEG...

LAT...LON 34708934 34888949 34998945 35218945 35388943 35568934
35668929 35668888 35608853 35438818 35268808 35088803
34938801 34778810 34728824 34698859 34708885 34708934=20


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