Northern IL Wx and Chain O' Lakes Beauty
June 24: The lower river to the Algonquin Dam is closed, Chain, and upper river are open as far as I can tell...I missed this, but it sort of figured!
June 22: The WX is extremely unstable for our area for this a.m. and tomorrow in my opinion, oh and as I look at the Noaa discussion, they concur! Hmm. Let's go with the experts though, lol.
Chi! Please monitor your Noaa radio, and DO NOT let your guard down, though we have had some storms that weren't really bad that brought warnings... please be vigilant and don't disregard warnings... Ya gotta know this is unusual for us to be this hot and humid. We have skirted some bad, bad storms, please pay attention while this system passes for the next day, and be safe!
Full Discussion:
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
859 PM CDT TUE JUN 22 2010
ILZ003>006-008-010>014-019>023-032-033-039-INZ001-002-010-011-019-
240200-
WINNEBAGO-BOONE-MCHENRY-LAKE ILLINOIS-OGLE-LEE-DE KALB-KANE-
DUPAGE-COOK-LA SALLE-KENDALL-GRUNDY-WILL-KANKAKEE-LIVINGSTON-
IROQUOIS-FORD-LAKE INDIANA-PORTER-NEWTON-JASPER-BENTON-
859 PM CDT TUE JUN 22 2010 /959 PM EDT TUE JUN 22 2010/
THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL ILLINOIS...
NORTHEAST ILLINOIS AND NORTHWEST INDIANA.
.DAY ONE...TONIGHT.
WEATHER HAZARDS EXPECTED:
THUNDERSTORMS...SOME COULD PRODUCE:
DAMAGING WINDS IN EXCESS OF 70 MPH.
HAIL TO THE SIZE OF NICKELS.
CLOUD TO GROUND LIGHTNING.
HEAVY RAINFALL...WITH LOCALIZED FLOODING.
FREQUENT CLOUD TO GROUND LIGHTNING. AREAS AFFECTED AND TIMING:
THUNDERSTORMS CONTINUE TO DEVELOP OVER THE PLAINS THIS
EVENING. THESE STORMS WILL LIKELY DEVELOP INTO A FAST MOVING
SQUALL LINE...WHICH WILL MOST LIKELY IMPACT AREAS OF NORTHERN
ILLINOIS...MAINLY NORTH OF I-80...AFTER MIDNIGHT TO EARLY
WEDNESDAY MORNING. UNCERTAINTY REMAINS AS TO THE EXACT PATH
OR TIMING OF THESE STORMS. THE GREATEST THREAT WILL BE DAMAGING
WINDS. HEAVY RAINFALL OVER ALREADY SATURATED SOILS WILL LIKELY
LEAD TO FLASH FLOODING.
DISCUSSION:
A STRONG UPPER LEVEL DISTURBANCE WILL LIFT OUT OF THE ROCKIES
INTO THE PLAINS OVERNIGHT. THIS WAVE WILL MOVE RAPIDLY EAST
TO THE UPPER MISSISSIPPI VALLEY AND WESTERN GREAT LAKES EARLY
WEDNESDAY. VERY STRONG LOW LEVEL INFLOW OF HUMID AIR WILL
PUSH INTO NORTHERN ILLINOIS EARLY WEDNESDAY MORNING.
PORTIONS OF THE ILLINOIS RIVER AND SUGAR CREEK WILL REMAIN IN
FLOOD.
.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.
AFTER A ROUND OF MORNING THUNDERSTORMS...THE ATMOSPHERE WILL
DESTABILIZE BY AFTERNOON. TEMPERATURES IN THE MID 80S TO LOWER
90S AND DEW POINTS IN THE LOWER 70S WILL CREATE A VERY UNSTABLE
SITUATION. A STRONG UPPER LEVEL DISTURBANCE WILL MOVE THROUGH THE
MIDWEST. AN ASSOCIATED SURFACE LOW AND TRAILING COLD FRONT WILL
APPROACH THE AREA LATE WEDNESDAY AFTERNOON. THE COMBINATION OF
INSTABILITY AND STRONG WIND SHEAR WILL MAKE SEVERE THUNDERSTORMS
LIKELY...WITH A THREAT OF SUPERCELLS THAT ARE CAPABLE OF
PRODUCING DAMAGING WINDS...LARGE HAIL...AND POSSIBLY TORNADOES.
THERE IS ALSO THE THREAT FOR HEAVY RAINFALL AND FLASH FLOODING.
THUNDERSTORMS SHOULD END WITH THE COLD FRONTAL PASSAGE WEDNESDAY
EVENING.
HEAT INDEX VALUES WILL APPROACH 100 DEGREES WEDNESDAY...AND AGAIN
SATURDAY AND SUNDAY. THERE IS A CHANCE OF THUNDERSTORMS SATURDAY
THROUGH SUNDAY NIGHT.
PORTIONS OF THE ILLINOIS RIVER AND SUGAR CREEK WILL REMAIN IN
FLOOD.
.SPOTTER INFORMATION STATEMENT...
SPOTTERS MAY BE NEEDED ...AND WILL LIKELYEARLY WEDNESDAY MORNING
BE NEEDED WEDNESDAY AFTERNOON THROUGH WEDNESDAY EVENING.
*********************************************
June 21: Rain, rain and more rain...it is a wonder we are not in flood.
Again, another really fascinating report from our NWS Chicago on the June 18 Bow echo storms. Wow. Really cool report, and look at this picture! Follow the link and it is a panoramic, live image WAY COOL!

NWS Chicago Photo from their website.
LINK TO NWS REPORT ON JUNE 18TH STORMS: Link
June 19/20: A bit of a report on yesterdays storm:
Many still without power here in Chicagoland. My brother and his family (who helped with the Portlight trip and donations) are still without power after 16 hours in Buffalo Grove, as are many thoughout Chicagoland.
This slide show isn't the best, but it shows the high tension power poles down for about a 1/4 mile in Des Plaines along the tracks.
I didn't post pics of the thousands of trees down throughout Chicagoland and a lot of other damage over a very widespread area of very populated communities. Thankfully, no loss of life and only a few injuries. Pretty amazing actually.
Thank you Com Ed, and all the municipality workers who have worked tirelessly throughout the day and night to recover from this storm. They know there are some places which will be without power until Wednesday or more.
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Updated: 1:11 AM GMT on June 25, 2010
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