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Hydrologic Outlook

Hydrologic Outlook
ILC017-019-021-023-025-029-033-035-039-041-045-049-057-079-095-
101-107-113-115-123-125-129-137-139-143-147-159-167-169-171-173-
175-179-183-203-272100-

Hydrologic Outlook
National Weather Service Lincoln IL
356 AM CDT Thu Apr 27 2017

...COPIOUS RAINFALL EXPECTED THIS WEEKEND...

A frontal boundary will become nearly stationary across southern
Illinois Friday night, and will begin to slowly drift northward
through Saturday night. A very moist air mass will be in place
during this period, resulting in occasionally heavy rain falling.
Current indications are that rainfall totals in excess of 3 inches
are likely over all of central and southeast Illinois before the
storm system exits Sunday night, with potential for over 4 inches
east of the I-55 corridor.

With this amount of rain falling, rapid runoff is expected to
produce river flooding, as well as localized flooding of area
roads. Be sure to monitor later forecasts for updates on the
potential for flooding this weekend.

$$

Geelhart




Flood Warning

Flood Statement
National Weather Service Lincoln IL
856 PM CDT Wed Apr 26 2017

...The Flood Warning continues for the following river in Illinois...

  Little Wabash River near Clay City affecting Clay and Richland
  Counties

The following forecasts are based on observed precipitation, soil
moisture conditions, and forecast precipitation.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you encounter a flooded roadway, turn around and find an alternate
route. Turn around, don`t drown.

Additional river and weather information is available at
www.weather.gov/ilx.

&&

ILC025-159-271556-
/O.EXT.KILX.FL.W.0017.170428T2315Z-000000T0000Z/
/CLAI2.1.ER.170428T2315Z.170430T1800Z.000000T0000Z.NO/
856 PM CDT Wed Apr 26 2017

The Flood Warning continues for
  The Little Wabash River near Clay City.
* From Friday evening until further notice.
* At  845 PM Wednesday the stage was 7.3 feet.
* Flood stage is 18.0 feet.
* Minor flooding is forecast.
* Forecast...Rise above flood stage by Friday evening and continue to
  rise to near 19.8 feet by Sunday afternoon.
* Impact...At 19.7 feet...Mayflower Road...just north of U.S. Route
  50...begins to flood.

&&


                  Fld  Observed         Forecast 6AM
Location          Stg  Stg  Day Time    Thu    Fri    Sat

Little Wabash River
 Clay City         18   7.3 Wed 9 PM    16.5   17.4   18.8


&&

LAT...LON 3878 8846 3871 8829 3860 8820 3860 8832
      3867 8838 3870 8846

$$





Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Lincoln IL
247 PM CDT Wed Apr 26 2017

ILZ062-063-066>068-071>073-271100-
Clark-Clay-Crawford-Cumberland-Effingham-Jasper-Lawrence-Richland-
247 PM CDT Wed Apr 26 2017

This Hazardous Weather Outlook is for portions of east central
Illinois and southeast Illinois.

.DAY ONE...THIS AFTERNOON AND TONIGHT...

Scattered thunderstorms will move northeast across southeast
Illinois during the mid and late afternoon hours, and diminish
by early overnight. There is a slight chance of severe storms,
with damaging wind gusts and large hail the primary threat.
Between a half and 1.5 inches of rain is expected through tonight
with the heaviest amounts from I-57 west.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY...

More showers and thunderstorms will be likely Friday afternoon
through Sunday night as a series of weather systems move through
the area. Rainfall amounts over this 3 day period could range from
3.5 to 4.5 inches. The heavy rain falling on saturated soil from
earlier storms will produce rapid runoff and a potential for
localized flooding, as well as, river flooding across the region.

In addition, there is a slight risk that some of the storms Friday
night could become severe with damaging winds and large hail the
main threat.

Flooding along the Little Wabash river near Clay City is expected
to develop overnight Friday night and continue into early next
week.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will likely be needed through 9 pm today.

$$

07




U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: May 16, 2007
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