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Monday, Aug 10, 2026 02:30:27

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Areal Flood Advisory 0086
Issued by the Chicago Forecast Office

Action Issued Starts Expiration
New 2026-08-09 19:16:31 2026-08-09 19:15:00 2026-08-09 21:15:00
Expired 2026-08-09 21:10:05 2026-08-09 21:15:00


Action: New
Issued At: 2026-08-09 19:16:31

551 
WGUS83 KLOT 100015
FLSLOT

Flood Advisory
National Weather Service Chicago IL
715 PM CDT Sun Aug 9 2026

INC089-127-100215-
/O.NEW.KLOT.FA.Y.0086.260810T0015Z-260810T0215Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Lake IN-Porter IN-
715 PM CDT Sun Aug 9 2026

...FLOOD ADVISORY IN EFFECT UNTIL 915 PM CDT THIS EVENING...
...REPLACES FLASH FLOOD WARNING...

* WHAT...Flooding caused by excessive rainfall is expected.

* WHERE...Northeastern Lake IN County in northwestern Indiana...
  Northwestern Porter County in northwestern Indiana...

* WHEN...Until 915 PM CDT.

* IMPACTS...Creeks and streams may rise out of their banks. Flooding
  may occur in poor drainage and urban areas. Underpasses may be
  flooded. Roads and streets may be flooded.

* ADDITIONAL DETAILS...
  - At 712 PM CDT, Doppler radar and automated rain gauges indicated
    heavy rain due to thunderstorms. Minor flooding is ongoing or
    expected to begin shortly in the advisory area. Webcams from the
    Indiana Department of Transportation show stretches of I-94
    across northern Porter County with standing water along the
    shoulders. Between 1.5 and 2.5 inches of rain have fallen.
  - Flooding impacts will continue, but no additional rainfall is
    expected.
  - Some locations that will experience flooding include...
    Portage, Chesterton, Porter, Burns Harbor, Ogden Dunes and Dune
    Acres.
  - http://www.weather.gov/safety/flood

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flood Advisory means minor flooding along waterways and other poor
drainage areas is imminent or may already be occurring. Persons in
the advisory area should use caution and avoid flood waters.

Turn around, dont drown when encountering flooded roads. Most flood
deaths occur in vehicles.

&&

LAT...LON 4163 8726 4164 8723 4164 8718 4165 8717
      4165 8716 4166 8715 4166 8703 4155 8703
      4155 8707 4158 8717 4161 8726


$$

Doom


Action: Expired
Issued At: 2026-08-09 21:10:05

459 
WGUS83 KLOT 100209 RRA
FLSLOT

Flood Advisory
National Weather Service Chicago IL
909 PM CDT Sun Aug 9 2026

INC089-127-100219-
/O.EXP.KLOT.FA.Y.0086.000000T0000Z-260810T0215Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Lake IN-Porter IN-
909 PM CDT Sun Aug 9 2026

...FLOOD ADVISORY WILL EXPIRE AT 915 PM CDT THIS EVENING...

The Flood Advisory will expire at 915 PM CDT this evening for a
portion of northwest Indiana, including the following areas, Lake IN
and Porter.

Flood waters have receded. The heavy rain has ended. Flooding is no
longer expected to pose a threat. Please continue to heed remaining
road closures.

A Flood Watch remains in effect until 700 AM CDT Monday for portions
of Illinois and northwest Indiana...

&&

LAT...LON 4163 8726 4164 8723 4164 8718 4165 8717
      4165 8716 4166 8715 4166 8703 4155 8703
      4155 8707 4158 8717 4161 8726


$$

Doom



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