Sunday, February 18, 2018

Areal Flood Watch for McHenry Co., IL until 06:00 AM CST 2/21

WGUS63 KLOT 182012
FFALOT

URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Chicago/Romeoville IL
212 PM CST Sun Feb 18 2018

...Heavy rain and snowmelt late Monday through late Tuesday may
result in flooding...


/O.NEW.KLOT.FA.A.0001.180220T0000Z-180221T1200Z/
/00000.0.RS.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-Cook-
La Salle-Kendall-Grundy-Will-Kankakee-Livingston-Iroquois-Ford-
Lake IN-Porter-Newton-Jasper-Benton-
212 PM CST Sun Feb 18 2018 /312 PM EST Sun Feb 18 2018/

...FLOOD WATCH IN EFFECT FROM MONDAY EVENING THROUGH LATE TUESDAY
NIGHT...

The National Weather Service in Chicago has issued a

* Flood Watch for portions of Illinois and Indiana, including
the following areas, in Illinois, Boone, Cook, De Kalb,
DuPage, Ford, Grundy, Iroquois, Kane, Kankakee, Kendall, La
Salle, Lake IL, Lee, Livingston, McHenry, Ogle, Will, and
Winnebago. In Indiana, Benton, Jasper, Lake IN, Newton, and
Porter.

* From Monday evening through late Tuesday night.

* Unseasonably warm and moist air will overspread the region over
the next few days with several rounds of showers and
thunderstorms expected between early Monday morning and
Wednesday. Expect area-wide precipitation totals of over an inch
with localized amounts of 2 to 4 inches possible.

* Grounds remain frozen, therefore much of the rain will result in
rapid runoff. In addition, some areas in northern Illinois may
still have snow on the ground and additional melting will
compound runoff from heavy rainfall. Ice jam break up is also a
concern. Expect rises on area rivers and streams that may
result in flooding.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flood Watch means there is a potential for flooding based on
current forecasts.

You should monitor later forecasts and be alert for possible
Flood Warnings. Those living in areas prone to flooding should be
prepared to take action should flooding develop.

&&



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