Island Lake, IL Severe Weather Alertstar_ratehome

The National Weather Service in Chicago has issued a

* Special Marine Warning for...

Nearshore Waters from Winthrop Harbor to Wilmette Harbor...
Open Waters from Winthrop Harbor to Wilmette Harbor out to Mid
Lake...

* Until 1030 PM CDT.

* At 828 PM CDT, strong thunderstorms were located along a line
extending from 24 nm north of McHenry to near Rockford, moving
east at 45 knots.

HAZARD...Wind gusts to nearly 50 knots.

SOURCE...Radar.

IMPACT...Small craft could be damaged in briefly higher winds and
suddenly higher waves.

* Locations impacted include...
Winthrop Harbor and Waukegan Harbor.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 1000 PM CDT for northeastern
Illinois...and the adjacent waters of Lake Michigan.

Move to safe harbor until hazardous weather passes.

Frequent lightning is occurring with these storms. If caught on the
open water stay below deck if possible, keep away from ungrounded
metal objects.

&&


HAIL...0.00IN;
WIND...49KTS

...FLOOD WATCH IN EFFECT UNTIL 6 AM CDT WEDNESDAY...

* WHAT...Flash flooding caused by excessive rainfall is possible.

* WHERE...Portions of Illinois, including the following areas,
Boone, Central Cook, De Kalb, DuPage, Eastern Will, Kane, Kendall,
Lake IL, McHenry, Northern Cook, Northern Will, Ogle, Southern
Cook, Southern Will and Winnebago and northwest Indiana, including
the following area, Lake IN.

* WHEN...Until 6 AM CDT Wednesday.

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

* ADDITIONAL DETAILS...
- An area of thunderstorms with rain rates up to one to two
inches per hour is expected to move through the area this
evening through the overnight hours. Elevated soil moisture
due to recent rainfall is expected to increase the
susceptibility to flash flooding.
- http://www.weather.gov/safety/flood

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flood Watch for flash flooding means rapid-onset flooding is
possible, but not yet certain, based upon the latest forecasts.
Flash flooding is a dangerous situation. Persons with interests
along area rivers, creeks, and other waterways should monitor the
latest forecasts and be prepared to take action should flooding
develop.

&&

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 PM CDT THIS EVENING...

* WHAT...Southwest winds to 30 kt.

* WHERE...Winthrop Harbor to Calumet Harbor IL, and Calumet
Harbor IL to Burns Harbor IN.

* WHEN...Until 9 PM CDT this evening.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

...FLOOD WATCH REMAINS IN EFFECT UNTIL FURTHER NOTICE...

* WHAT...Flooding is possible.

* WHERE...Fox River Lower near New Munster.

* WHEN...Until further notice.

* IMPACTS...At 13.5 feet, Floodwaters are into the lower levels of
some homes in the Town of Wheatland and Village of Salem Lakes
areas along Riverside Drive and Shorewood Drive.

* ADDITIONAL DETAILS...
- At 3:00 PM CDT Tuesday the stage was 10.0 feet.
- Forecast...Flood stage may be reached late tomorrow morning.
- Flood stage is 11.0 feet.
- http://www.weather.gov/safety/flood

&&

River forecasts are available for some but not all river gaging
locations. The 7 day river forecast takes into account past
precipitation, soil moisture conditions, and predicted
precipitation for the basin. Precipitation is for the next 24 hours
in the future from April through September and for 48 hours in the
future from October through March.

(Stages in ft.)       Bank-       Latest         Forecast stages
-               Flood full       observed        ...for 7 pm...
Location        stage stage     stage/time    Wed  Thu  Fri  Sat
New Munster     11.0  10.0  9.97  3 pm 4/14   11.6 12.7 12.8 12.4

-                    Highest       24 hour change
-                    observed      in river stage
-                    stage in        (ft.) up to     Highest stage
-                    the last      latest observed    forecast in
-                     7 days            stage         next 7 days
New Munster     11.75 3 pm 4/07         0.13       12.90 1 pm 4/17


&&

THE NATIONAL WEATHER SERVICE HAS ISSUED TORNADO WATCH 109 IN
EFFECT UNTIL 10 PM CDT THIS EVENING FOR THE FOLLOWING AREAS

IN ILLINOIS THIS WATCH INCLUDES 8 COUNTIES

IN NORTH CENTRAL ILLINOIS

BOONE                 DE KALB               LEE
OGLE                  WINNEBAGO

IN NORTHEAST ILLINOIS

KANE                  LAKE IL               MCHENRY

THIS INCLUDES THE CITIES OF ALGONQUIN, AURORA, BELVIDERE,
BUFFALO GROVE, BYRON, CRYSTAL LAKE, DEKALB, DIXON, ELGIN, GURNEE,
MCHENRY, MUNDELEIN, OREGON, ROCHELLE, ROCKFORD, SYCAMORE,
WAUKEGAN, AND WOODSTOCK.

THE NATIONAL WEATHER SERVICE HAS ISSUED TORNADO WATCH 109 IN
EFFECT UNTIL 10 PM CDT THIS EVENING FOR THE FOLLOWING AREAS

THIS WATCH INCLUDES THE FOLLOWING ADJACENT COASTAL WATERS

WINTHROP HARBOR TO WILMETTE HARBOR IL

...FLOOD WARNING NOW IN EFFECT UNTIL FURTHER NOTICE...

* WHAT...Minor flooding is forecast.

* WHERE...Fox River from Johnsburg downstream to Red Gate Road in
St. Charles, including the Algonquin Lock & Dam tailwater gauge.

* WHEN...Until further notice.

* IMPACTS...At 10.5 feet, Structures threatened along Fox River
Drive in East Dundee. Parking lots threatened in downtown West
Dundee. Low-lying sections of Cornish Park are inundated in
Algonquin. Low-lying sections of Trout Park inundated north of
Elgin.

* ADDITIONAL DETAILS...
- At 9:30 AM CDT Tuesday the stage was 9.5 feet.
- Forecast...Due to forecasted rainfall tonight, the river is
now expected remain above flood stage for the next several
days.
- Flood stage is 9.5 feet.
- http://www.weather.gov/safety/flood

&&