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Hydrologic Outlook

Hydrologic Outlook

Hydrologic Outlook
National Weather Service Indianapolis IN
852 AM EDT Tue Mar 21 2023

...Heavy Rainfall possible over Central Indiana late this week...

An active weather pattern late this week will bring a series of
storm systems to Central Indiana. These systems are expected to
produce rounds of rain starting tonight and continuing through
Saturday. The heaviest rainfall amounts will likely occur on
Thursday Night into Friday.

These periods of heavy rain may result in Areal and River Flooding
across Central Indiana late this week. Stay weather aware of the
forecast this week for any possible Flood Watches and Flood



Hydrologic Outlook

Hydrologic Outlook
National Weather Service Paducah KY
159 AM CDT Tue Mar 21 2023

...Heavy Rainfall Forecast Thursday Night through Friday Evening...

After some light rains wet the ground early this week, a heavier
bout of rainfall will be moving in toward the end of the week.
Forecast average storm total amounts will be in the 2 to 3 inch
range by the time the rain chances end late Friday night.

This amount of rainfall falling on top of wetted grounds may lead to
flooding issues, especially where thunderstorms might locally
enhance those amounts to greater than 3 inches. WPC has the entire
region in a slight risk for developing flooding issues.

Stay tuned to updates and be ready for potential Watches and
Warnings for this late week rain event.



Hydrologic Outlook
National Weather Service San Diego CA
1001 AM PDT Sun Mar 19 2023

Coachella Valley-San Gorgonio Pass Near Banning-
Including the cities of Indio, Palm Springs, Cathedral City,
Palm Desert, Palm Desert Country, La Quinta, and Coachella
1001 AM PDT Sun Mar 19 2023

Significant flow expected in the Whitewater River and the
Coachella Storm Water Channel by Wednesday morning...

Rain is forecast to develop over the San Bernardino Mountains and
northern portions of the Coachella Valley Tuesday through
Wednesday morning. Precipitation will fall as rain on the lower
part of the Whitewater Basin in the San Bernardino Mountains.
Rainfall of 1 to 2 inches is expected in the lower elevations of
the San Bernardino Mountains and San Gorgonio Pass.

As runoff accelerates off the San Bernardino Mountains...significant
flows will develop in the Whitewater River. These flows are
forecast to reach Palm Springs early Wednesday morning...and flow
southward through the Coachella Valley to Indio and beyond during
the day. The flow will impact low-water crossings and may create
dangerous swift-water areas through the valley.

The rain will diminish Wednesday evening...but some flow will
likely continue in the canal through Thursday. Residents should
be prepared for road closures and listen for later advisories.



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