Subj : MESO: Mesoscale Discussion 0122
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Wed Feb 01 2023 07:51:04

ACUS11 KWNS 010750
SWOMCD
SPC MCD 010750=20
TXZ000-011245-

Mesoscale Discussion 0122
NWS Storm Prediction Center Norman OK
0150 AM CST Wed Feb 01 2023

Areas affected...portions of south-central Texas

Concerning...Freezing rain=20

Valid 010750Z - 011245Z

SUMMARY...Freezing rain showers with rates in excess of 0.1-0.15
in/hr are ongoing and are likely to continue overnight.

DISCUSSION...As of 0745 UTC, regional radar analysis showed
intensifying freezing rain showers across portions of southern and
central TX. Driven primarily by low and mid-level warm advection,
these showers have intensified over the last 90 minutes coincident
with surface temperatures falling to near or below freezing. Recent
reports of freezing rain in the San Antonio Metro and I-35 corridor
suggest freezing precipitation rates have increased to near 0.1-0.15
in/hr with the more intense showers. While the heaviest
precipitation will be intermittent, additional development farther
southwest, evident from new radar echos and hi-res guidance,
suggests multiple rounds of moderate to locally heavy freezing rain
are likely through early this morning. As additional showers develop
and shift northeastward with time, slightly cooler surface
temperatures in the upper 20s F may favor more efficient ice
accretion and some potential for sleet. With multiple rounds of
moderate to locally heavy winter precipitation expected, there
exists the potential for significant icing impacts along the I-35
corridor in central TX through early this morning.

...Lyons.. 02/01/2023

....Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj=
g!5s5LdGAlhFKVayxMG68HvuAGr6Hu-jVmXu8Xwb6cmHzzhF0AdzgNlfzLMscZmgbZJTLeb2IAZ=
yELp1BOpOm4JQwquS4$  for graphic product...

ATTN...WFO...HGX...FWD...EWX...SJT...

LAT...LON   29289967 30369924 31239848 31579803 31669754 31299680
            30589630 29949688 29099788 28939862 28989929 29289967=20


=3D =3D =3D
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