849 
WGUS81 KILN 210335
FLSILN

Flood Advisory
National Weather Service Wilmington OH
1135 PM EDT Sun Sep 20 2026

OHC041-159-210630-
/O.NEW.KILN.FA.Y.0227.260921T0335Z-260921T0630Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Delaware OH-Union OH-
1135 PM EDT Sun Sep 20 2026

...FLOOD ADVISORY IN EFFECT UNTIL 230 AM EDT MONDAY...

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

* WHERE...Delaware County in central Ohio...
  Southern Union County in central Ohio...

* WHEN...Until 230 AM EDT.

* IMPACTS...Minor flooding in low-lying and poor drainage areas.

* ADDITIONAL DETAILS...
  - At 1135 PM EDT, radar and automated rain gauges indicated heavy
    rain due to thunderstorms. Minor flooding is ongoing or expected
    to begin shortly in the advisory area. Between 1 and 1.5 inches
    of rain have fallen. Additional rainfall amounts up to 0.5 inches
    are possible in the warned area.
  - Some locations that may experience flooding include...
    Dublin, Westerville, Delaware, Marysville, Powell, Sunbury, Plain
    City, Polaris, New California, Milford Center, Shawnee Hills,
    Galena, Ostrander, Unionville Center, Stratford, Bellepoint,
    Columbus Zoo, Lewis Center and State Route 257 at US Route 36.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Be especially cautious at night when it is harder to recognize the
dangers of flooding.

To report flooding, go to our website at weather.gov/iln and submit
your report via social media, when you can do so safely.

&&

LAT...LON 4011 8347 4027 8347 4031 8326 4035 8275
      4028 8275 4013 8276 4013 8281 4014 8317
      4012 8317

$$

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