Monday, July 13, 2015

Severe Storm in Boone County and McHenry County Headed Toward Northwest Suburb in Cook County

A severe thunderstorm indicated by radar as a mesocyclone entered McHenry County about 9:00 p.m.

The storm is indicated by radar to have a cloud top of 42,000 feet with a 30% chance of severe hail with maximum hail size of 1.25 inch. At 9:00 p.m. there is a 100 percent chance of hail. The ETA to Palatine Road in Arlington is calculated 70 miles away at 8:59 p.m. -- traveling at 39 knots, the storm would arrive in 69 minutes, or at 10:08 p.m.

At 9:12 p.m. the storm decreased to 40,000 foot cloud tops.

At 9:22 p.m. an adjacent cloud top to the west of the above storm mentioned is estimated at 42,000 feet with a 50 percent chance of severe hail with a maximum hail size of 1.75 inch.

Trained spotters spotted a funnel cloud was sited in Boone County about 3 miles of IL-76 and IL-173 with quarter size hail.

This storm is heading toward the northwest suburbs.

SEVERE THUNDERSTORM WARNING
ILC007-111-201-140230-
/O.NEW.KLOT.SV.W.0102.150714T0151Z-150714T0230Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
851 PM CDT MON JUL 13 2015

THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
NORTHERN BOONE COUNTY IN NORTH CENTRAL ILLINOIS...
NORTHERN MCHENRY COUNTY IN NORTHEASTERN ILLINOIS...
NORTHEASTERN WINNEBAGO COUNTY IN NORTH CENTRAL ILLINOIS...

* UNTIL 930 PM CDT

* AT 851 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM LAKE GENEVA TO NEAR SHARON TO 6 MILES NORTH OF
CALEDONIA TO NEAR SOUTH BELOIT...MOVING SOUTHEAST AT 30 MPH.

HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL.

SOURCE...RADAR INDICATED.

IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE
TO ROOFS...SIDING AND TREES.

* SEVERE THUNDERSTORMS WILL BE NEAR...
HARVARD AROUND 900 PM CDT.
POPLAR GROVE AND HEBRON AROUND 905 PM CDT.
RICHMOND AND CAPRON AROUND 910 PM CDT.
WONDER LAKE AND GREENWOOD AROUND 915 PM CDT.
SPRING GROVE AND RINGWOOD AROUND 920 PM CDT.
WOODSTOCK AND TIMBERLANE AROUND 925 PM CDT.

INCLUDING THE FOLLOWING INTERSTATE...
I-90 BETWEEN MILE MARKERS 0 AND 2...AND BETWEEN MILE MARKERS 66 AND
76.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT FOR NORTHEASTERN
ILLINOIS.

LAT...LON 4249 8820 4247 8820 4230 8849 4228 8872
4234 8916 4250 8913
TIME...MOT...LOC 0151Z 322DEG 24KT 4259 8840 4248 8868 4245 8888 4251
8909

HAIL...1.00IN
WIND...60MPH

$$

IZZI

Read complete article on Arlingtoncardinal.com ...

http://www.arlingtoncardinal.com/?s=Severe+Storm+In+Boone+County+And+Mchenry+County+Headed+Toward+Northwest+Suburb+In+Cook+County


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