Subj : HVYRAIN: Excessive Rainfall Discussion
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Tue Oct 21 2025 00:04:43

FOUS30 KWBC 210004
QPFERD

Excessive Rainfall Discussion
NWS Weather Prediction Center College Park MD
804 PM EDT Mon Oct 20 2025

Day 1
Valid 01Z Tue Oct 21 2025 - 12Z Tue Oct 21 2025

The probability of rainfall exceeding flash flood guidance is less
than 5 percent.

Bann


Day 2
Valid 12Z Tue Oct 21 2025 - 12Z Wed Oct 22 2025

The probability of rainfall exceeding flash flood guidance is less
than 5 percent.

Campbell

Day 3
Valid 12Z Wed Oct 22 2025 - 12Z Thu Oct 23 2025

The probability of rainfall exceeding flash flood guidance is less
than 5 percent.

....Lake Erie vicinity...

A strong low positioned north of the Great Lakes region will
sustain an occluded surface front that will support stronger lower
level flow across the Lakes leading to locally enhanced
precipitation. Lake enhanced bands of heavy rainfall is expected
throughout the period and may lead to isolated areas of flash
flooding downwind along the immediate coastline.

Campbell


Day 1 threat area: https://urldefense.com/v3/__https://www.wpc.ncep.noaa.go=
v/qpf/94epoints.txt__;!!DZ3fjg!7OS7Pxp1yFnPzvCp1peZlI83J-j7-heLKCA_WAF-tleK=
9TvMTqVMt3Jq9DuXNoCvFD-PoVe9e3yv-Xm2rd53UHVXL90$=20
Day 2 threat area: https://urldefense.com/v3/__https://www.wpc.ncep.noaa.go=
v/qpf/98epoints.txt__;!!DZ3fjg!7OS7Pxp1yFnPzvCp1peZlI83J-j7-heLKCA_WAF-tleK=
9TvMTqVMt3Jq9DuXNoCvFD-PoVe9e3yv-Xm2rd533UEjk1s$=20
Day 3 threat area: https://urldefense.com/v3/__https://www.wpc.ncep.noaa.go=
v/qpf/99epoints.txt__;!!DZ3fjg!7OS7Pxp1yFnPzvCp1peZlI83J-j7-heLKCA_WAF-tleK=
9TvMTqVMt3Jq9DuXNoCvFD-PoVe9e3yv-Xm2rd53-jOJ1DI$=20

=3D =3D =3D
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