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Mesoscale Discussion 188 |
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Mesoscale Discussion 0188
NWS Storm Prediction Center Norman OK
0252 AM CST Fri Feb 25 2022
Areas affected...portions of northern NJ...Long Island and far
southern NY...and coastal CT
Concerning...Winter mixed precipitation
Valid 250852Z - 251245Z
SUMMARY...Moderate to heavy freezing rain and sleet will continue
for a few more hours this morning across northern New Jersey,
portions of far southern NY and Long Island, and coastal CT.
DISCUSSION...Moderate to heavy sleet and freezing rain will persist
across the discussion area for a few more hours early this morning.
Surface temperatures are generally in the 29-32 F range with the
freezing line stretching from central NJ to the southern Long Island
coast. As the surface low positioned over western PA as of 0830z
lifts northeast and the midlevel shortwave trough continues to eject
northeast across the Great Lakes vicinity, strong low-level warm
advection will continue to spread northeast. Surface temperatures
are expected to increase above the freezing mark in the next few
hours. As this occurs, a transition from freezing rain and sleet to
rain is expected across Long Island by 7-8 am ET. Wintry mixed
precipitation may linger a bit longer (9-10 am ET) across parts of
northern NJ into far southern CT.
..Leitman.. 02/25/2022
...Please see www.spc.noaa.gov for graphic product...
ATTN...WFO...OKX...PHI...
LAT...LON 40627476 40917477 41067462 41247421 41347368 41407228
41357208 41157213 40967231 40827266 40667335 40557398
40577465 40627476
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