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ACUS11 KWNS 240621
SWOMCD
SPC MCD 240620=20
NHZ000-VTZ000-MAZ000-NYZ000-241215-

Mesoscale Discussion 0333
NWS Storm Prediction Center Norman OK
0120 AM CDT Thu Mar 24 2022

Areas affected...Portions of central/eastern NY into New England

Concerning...Freezing rain=20

Valid 240620Z - 241215Z

SUMMARY...Areas of freezing rain, with rates locally exceeding 0.05
inch per 3 hours, should occur across mainly the higher terrain this
morning. Some sleet may also occur.

DISCUSSION...Pronounced ascent associated with a southwesterly
mid-level jet and southerly low-level jet has encouraged several
broad areas of precipitation to develop across parts of NY and New
England early this morning. While most surface observations show
temperatures above freezing, some locations in the higher terrain
areas across eastern NY into much of New England remain near or
below freezing. Current expectations are for multiple rounds of
showery precipitation to overspread this region over the next
several hours as a large-scale upper trough/low moves slowly
eastward across the central/eastern states. Freezing rain should
occur where temperatures remain below freezing, or will fall below
freezing due to wet bulb cooling processes. Even though temperatures
appear marginal, freezing rain rates locally exceeding 0.05 inch per
3 hours may still occur, particularly in the Adirondack/Catskill
Mountains in NY, and the Green/White Mountains in VT/NH,
respectively. Some sleet may also mix in with the initial
precipitation moving through.

..Gleason.. 03/24/2022

...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!t-dv5eqcHUwurm_t6IyiZ5yPmmQaLAJ9tJDLYY0Yuvzc4-jhsn7alsJSx6_sll3sR2lgKhHq$=
for graphic product...

ATTN...WFO...GYX...BOX...BTV...ALY...BGM...

LAT...LON 42067405 41727420 41637471 41907497 43437481 44017446
44387389 44427352 44787245 44957188 44897148 44617117
44237102 43877117 43497160 42817242 42487256 42307283
42337309 42477334 42777341 43187327 43777325 43747351
43527366 43297374 42067405=20



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ACUS11 KWNS 250257
SWOMCD
SPC MCD 250257=20
ALZ000-TNZ000-MSZ000-250400-

Mesoscale Discussion 0333
NWS Storm Prediction Center Norman OK
0957 PM CDT Fri Mar 24 2023

Areas affected...Northeastern MS into northwestern AL

Concerning...Tornado Watch 76...77...

Valid 250257Z - 250400Z

The severe weather threat for Tornado Watch 76, 77 continues.

SUMMARY...Severe threat, including the potential for strong
tornadoes and damaging winds, continues across parts of northeastern
MS into northwestern AL.

DISCUSSION...Latest radar data from GWX depicts a well-organized
supercell cluster tracking east-northeastward across northeastern MS
this evening. Ahead of this storm, lower 60s dewpoints are spreading
northward in response to continued cyclogenesis to the north --
supporting surface-based inflow. With a strengthening low-level jet
over the area (70+ kt 850-mb winds) sampled by the GWX VWP,
hodographs are becoming increasingly favorable for intense
supercells (even if embedded in line segments). Given the ample
streamwsie vorticity and surface-based inflow for this storm, strong
tornadoes and damaging winds remain possible from northeastern MS
into northwestern AL.

..Weinman.. 03/25/2023

...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!5yehiyJUiMcmfsUxHEKBBnpc37goJ51fT5BN3gxb_V8HiUQ5hkLTx-hWQXPznZ51tjYPcVaNz= Bbmylji4SnQbJu_WG8$ for graphic product...

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

LAT...LON 34338873 34798859 34978843 35018805 34978783 34898764
34648757 34378758 34118785 34088813 34168854 34338873=20


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ACUS11 KWNS 020120
SWOMCD
SPC MCD 020120=20
OKZ000-TXZ000-020245-

Mesoscale Discussion 0333
NWS Storm Prediction Center Norman OK
0820 PM CDT Mon Apr 01 2024

Areas affected...much of central OK into northern TX

Concerning...Tornado Watch 65...

Valid 020120Z - 020245Z

The severe weather threat for Tornado Watch 65 continues.

SUMMARY...The severe threat continues across Tornado Watch 65. All
severe hazards remain a concern, including with new storms
developing over southwestern into central OK. Temporal extensions of
the ongoing watch may be needed for central into northeast OK.

DISCUSSION...New convective development is underway across
southwestern into central OK in the wake of earlier storms. These
newer storms are forming immediately ahead of the cold front and are progressing toward a modestly buoyant airmass (characterized by
1000-2000 J/kg MLCAPE). The 00Z observed sounding from OUN depicted
a cooling boundary layer, but with steep lapse rates aloft. The
associated observed hodograph showed sizeable low-level curvature
and mid-level elongation, which would support possible supercell
development accompanied by a threat for damaging gusts, large hail,
and perhaps a couple of tornadoes.=20

As such, portions of Tornado Watch 65 over central into northeast OK
will need to be extended in time to address the severe threat with
storms developing in southwestern OK. Farther southeast, a new WW
issuance will be needed to address the severe threat later this
evening.

..Squitieri.. 04/02/2024

...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!5EmgWyq3cPj9GkCKffBmevkMM4h9z4_J9qaR5NioA7p5EH79nbuoDm2YUGRNRzOo1Cl9JTyK9= xOVDD78FB1q-vzvO00$ for graphic product...

ATTN...WFO...TSA...FWD...OUN...SJT...

LAT...LON 33449932 34639884 35829770 36819611 36899533 36559512
35449535 34759561 33759632 33329707 33059840 33449932=20


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