Friday, May 15, 2020

Flash Flood Warning for McHenry Co., IL until 04:45 AM CDT 5/15

<pre>WGUS73 KLOT 150552
FFSLOT

Flash Flood Statement
National Weather Service Chicago/Romeoville
1252 AM CDT Fri May 15 2020


/O.CON.KLOT.FF.W.0004.000000T0000Z-200515T0945Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Kendall IL-Lake IL-Will IL-De Kalb IL-Kane IL-McHenry IL-DuPage IL-
Cook IL-
1252 AM CDT Fri May 15 2020

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 445 AM CDT FOR
NORTHERN KENDALL...SOUTHERN LAKE...NORTHWESTERN WILL...DE KALB...
KANE...SOUTHERN MCHENRY...DUPAGE AND NORTHWESTERN COOK COUNTIES...

At 1249 AM CDT, doppler radar indicated moderate to heavy rain
falling across the warned area. At 1230 AM CDT, trained weather
spotters reported flash flooding occuring in Elk Grove Village, with
water up to the doorways of a townhome complex. Up to two to three
inches of rain have already fallen since Thursday evening on top of
the rain that fell on Thursday morning. Flash flooding is likely
ongoing in much of the warned area.

HAZARD...Flash flooding caused by heavy rain.

SOURCE...Trained weather spotters.

IMPACT...Flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other drainage
and low lying areas.

Some locations that will experience flooding include...
Chicago, Aurora, Joliet, Naperville, Elgin, Arlington Heights,
Evanston, Schaumburg, Bolingbrook, Palatine, Skokie, Des Plaines,
Mount Prospect, Wheaton, Hoffman Estates, Downers Grove, Glenview,
Elmhurst, Lombard and Buffalo Grove.

Additional rainfall amounts of up to one to two inches are possible
in the warned area over the next hour.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Excessive runoff from heavy rainfall will cause flash flooding of
small creeks and streams, country roads, farmland, and other low
lying spots.

Turn around, don't 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.

&&

LAT...LON 4225 8782 4213 8774 4206 8767 4199 8765
4199 8791 4161 8791 4154 8845 4187 8894
4215 8894 4215 8871 4221 8870 4226 8831

FLASH FLOOD...OBSERVED
EXPECTED RAINFALL...1-2 INCHES IN 1 HOUR
</pre>


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