ACUS11 KWNS 241628
SWOMCD
SPC MCD 241628=20
IAZ000-MNZ000-241830-

Mesoscale Discussion 0291
NWS Storm Prediction Center Norman OK
1128 AM CDT Sun Mar 24 2024

Areas affected...Northeastern Iowa

Concerning...Heavy snow=20

Valid 241628Z - 241830Z

SUMMARY...Heavy snow with potential for 1" per hour rates and low
visibility across northeastern Iowa over the next couple of hours.

DISCUSSION...A convective band has been moving steadily northeast
through central Iowa this morning. Temperatures near the band are
hovering around to just below freezing. Lightning activity has begun
to decrease in this band, with CAM guidance indicating the band
should weaken with time as it moves northeastward. Even so, given
the heavy nature of this band, temperatures will likely lower with
wet-bulb cooling within the heaviest precipitation. Temperatures
across northeastern Iowa are in the low 30s, with dew points in the
mid 20s to lower 30s. Periods of heavy snow will be possible as a
result, with rates approaching 1"/hr and low visibility (given
surface winds around 20-25 mph).

..Thornton/Hart.. 03/24/2024

...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!9KQbT63f61P-cISoL-6rkApkEliSTQ0I9I3xDflDZZAZXsatSJM77lVefT6Q2tW3ll3PztLW6= IsxSmg99yjVkqVCniE$ for graphic product...

ATTN...WFO...DVN...ARX...MPX...DMX...

LAT...LON 43439427 42889411 42389321 42119257 41989200 42259182
42599166 43359190 43479217 43539287 43489403 43439427=20


=3D =3D =3D
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