Subj : MESO: Nws Weather Prediction Center College Park Md
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Tue Aug 05 2025 01:43:45

AWUS01 KWNH 050143
FFGMPD
INZ000-050600-

Mesoscale Precipitation Discussion 0869
NWS Weather Prediction Center College Park MD
942 PM EDT Mon Aug 04 2025

Areas affected...Southern IN

Concerning...Heavy rainfall...Flash flooding possible

Valid 050142Z - 050600Z

SUMMARY...Slow-moving showers and thunderstorms with high rainfall
rates will continue to support concerns for additional flash
flooding over the next few hours.

DISCUSSION...Radar imagery shows a rather compact cluster of heavy
showers and thunderstorms persisting over southern IN in
association with a closed mid-level low circulation and
deformation axis. The energy associated with this continues to
interact with a surface trough and an axis of modest instability
with MLCAPE values of 500 to 1000 J/kg.

The PWs are rather high with values of 1.5 to 1.75 inches in
place, and with the remaining instability, some rainfall rates of
1 to 2 inches/hour will continue to be likely at least in the
short-term.

The latest hires guidance suggests at least a few more hours of
convection persisting over southern IN, with additional rainfall
amounts locally of 2 to 4 inches possible. These additional rains
may result in some additional areas of flash flooding before
conditions then gradually improve overnight.

Orrison

....Please see https://urldefense.com/v3/__http://www.wpc.ncep.noaa.gov__;!!=
DZ3fjg!4Hg4VI_51uldVKiwrRE0HA7L-SCFOttMucDf587HEggQuLDHfqwfiAge4nEU9XdmiT0u=
L434nupAffs4t-kbRAp3RK4$  for graphic product...

ATTN...WFO...ILN...IND...LMK...PAH...

ATTN...RFC...TIR...NWC...

LAT...LON   39638550 39018516 38518614 38448710 39128737=20
            39528661=20

=3D =3D =3D
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