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Severe Thunderstorm Warning 0018
Issued by the Chicago Forecast Office

Action Issued Starts Expiration
New 2025-03-30 13:48:07 2025-03-30 13:47:00 2025-03-30 14:30:00
Continued 2025-03-30 13:58:22 2025-03-30 14:30:00
Cancelled 2025-03-30 13:58:22 2025-03-30 14:30:00
Continued 2025-03-30 14:01:52 2025-03-30 14:30:00
Continued 2025-03-30 14:09:22 2025-03-30 14:30:00
Expired 2025-03-30 14:20:53 2025-03-30 14:30:00


Action: New
Issued At: 2025-03-30 13:48:07

281 
WUUS53 KLOT 301847
SVRLOT
ILC031-097-111-301930-
/O.NEW.KLOT.SV.W.0018.250330T1847Z-250330T1930Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Chicago/Romeoville
147 PM CDT Sun Mar 30 2025

The National Weather Service in Chicago has issued a

* Severe Thunderstorm Warning for...
  Lake County in northeastern Illinois...
  Southeastern McHenry County in northeastern Illinois...
  Northwestern Cook County in northeastern Illinois...

* Until 230 PM CDT.

* At 147 PM CDT, a severe thunderstorm was located over Algonquin,
  moving northeast at 55 mph.

  HAZARD...60 mph wind gusts and penny size hail.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Oakwood Hills, Wauconda, Fox River Grove, Algonquin, Port
  Barrington, Fox Lake, Hawthorn Woods, Winthrop Harbor, Round Lake
  Beach, Hainesville, Grayslake, Gurnee, Tower Lakes, Round Lake
  Heights, Libertyville, Russell, Waukegan, Wadsworth, Volo, Round
  Lake, Crystal Lake, Long Lake, Third Lake, Barrington Hills, and
  Lake Catherine.

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 700 PM CDT for northeastern
Illinois.

&&

LAT...LON 4249 8780 4240 8781 4207 8824 4215 8824
      4216 8841 4250 8812
TIME...MOT...LOC 1847Z 223DEG 47KT 4214 8829 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Borchardt


Action: Continued
Issued At: 2025-03-30 13:58:22

453 
WWUS53 KLOT 301857
SVSLOT

Severe Weather Statement
National Weather Service Chicago/Romeoville
157 PM CDT Sun Mar 30 2025

ILC031-111-301907-
/O.CAN.KLOT.SV.W.0018.000000T0000Z-250330T1930Z/
McHenry IL-Cook IL-
157 PM CDT Sun Mar 30 2025

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN MCHENRY AND
NORTHWESTERN COOK COUNTIES IS CANCELLED...

The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 700 PM CDT for northeastern
Illinois.

&&

LAT...LON 4249 8780 4240 8781 4215 8813 4215 8820
      4240 8820 4250 8812
TIME...MOT...LOC 1857Z 223DEG 47KT 4224 8816 

$$

ILC097-301930-
/O.CON.KLOT.SV.W.0018.000000T0000Z-250330T1930Z/
Lake IL-
157 PM CDT Sun Mar 30 2025

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 230 PM CDT
FOR LAKE COUNTY...

At 157 PM CDT, a severe thunderstorm was located over Tower Lakes, or
over Wauconda, moving northeast at 55 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Lake Catherine, Grandwood Park, Wauconda, Zion, Barrington, Lake
Villa, Old Mill Creek, Gages Lake, Fox Lake Hills, Port Barrington,
Fox Lake, Lake Barrington, Park City, Hawthorn Woods, Mundelein,
Winthrop Harbor, Round Lake Beach, Hainesville, Grayslake, Lake
Zurich, Gurnee, Round Lake Park, North Barrington, Tower Lakes, and
Round Lake Heights.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 700 PM CDT for northeastern
Illinois.

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4249 8780 4240 8781 4215 8813 4215 8820
      4240 8820 4250 8812
TIME...MOT...LOC 1857Z 223DEG 47KT 4224 8816 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Borchardt


Action: Cancelled
Issued At: 2025-03-30 13:58:22

453 
WWUS53 KLOT 301857
SVSLOT

Severe Weather Statement
National Weather Service Chicago/Romeoville
157 PM CDT Sun Mar 30 2025

ILC031-111-301907-
/O.CAN.KLOT.SV.W.0018.000000T0000Z-250330T1930Z/
McHenry IL-Cook IL-
157 PM CDT Sun Mar 30 2025

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN MCHENRY AND
NORTHWESTERN COOK COUNTIES IS CANCELLED...

The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 700 PM CDT for northeastern
Illinois.

&&

LAT...LON 4249 8780 4240 8781 4215 8813 4215 8820
      4240 8820 4250 8812
TIME...MOT...LOC 1857Z 223DEG 47KT 4224 8816 

$$

ILC097-301930-
/O.CON.KLOT.SV.W.0018.000000T0000Z-250330T1930Z/
Lake IL-
157 PM CDT Sun Mar 30 2025

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 230 PM CDT
FOR LAKE COUNTY...

At 157 PM CDT, a severe thunderstorm was located over Tower Lakes, or
over Wauconda, moving northeast at 55 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Lake Catherine, Grandwood Park, Wauconda, Zion, Barrington, Lake
Villa, Old Mill Creek, Gages Lake, Fox Lake Hills, Port Barrington,
Fox Lake, Lake Barrington, Park City, Hawthorn Woods, Mundelein,
Winthrop Harbor, Round Lake Beach, Hainesville, Grayslake, Lake
Zurich, Gurnee, Round Lake Park, North Barrington, Tower Lakes, and
Round Lake Heights.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 700 PM CDT for northeastern
Illinois.

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4249 8780 4240 8781 4215 8813 4215 8820
      4240 8820 4250 8812
TIME...MOT...LOC 1857Z 223DEG 47KT 4224 8816 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Borchardt


Action: Continued
Issued At: 2025-03-30 14:01:52

677 
WWUS53 KLOT 301901
SVSLOT

Severe Weather Statement
National Weather Service Chicago/Romeoville
201 PM CDT Sun Mar 30 2025

ILC097-301930-
/O.CON.KLOT.SV.W.0018.000000T0000Z-250330T1930Z/
Lake IL-
201 PM CDT Sun Mar 30 2025

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 230 PM CDT
FOR LAKE COUNTY...

At 201 PM CDT, a severe thunderstorm was located over Wauconda,
moving northeast at 55 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.

Locations impacted include...
Lake Catherine, Grandwood Park, Wauconda, Zion, Barrington, Lake
Villa, Old Mill Creek, Gages Lake, Fox Lake Hills, Port Barrington,
Fox Lake, Lake Barrington, Park City, Hawthorn Woods, Mundelein,
Winthrop Harbor, Round Lake Beach, Hainesville, Grayslake, Lake
Zurich, Gurnee, Round Lake Park, North Barrington, Tower Lakes, and
Round Lake Heights.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 700 PM CDT for northeastern
Illinois.

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4249 8780 4240 8781 4215 8813 4215 8820
      4240 8820 4250 8812
TIME...MOT...LOC 1901Z 223DEG 47KT 4228 8811 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Borchardt


Action: Continued
Issued At: 2025-03-30 14:09:22

837 
WWUS53 KLOT 301908
SVSLOT

Severe Weather Statement
National Weather Service Chicago/Romeoville
208 PM CDT Sun Mar 30 2025

ILC097-301930-
/O.CON.KLOT.SV.W.0018.000000T0000Z-250330T1930Z/
Lake IL-
208 PM CDT Sun Mar 30 2025

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 230 PM CDT
FOR NORTHERN LAKE COUNTY...

At 208 PM CDT, a severe thunderstorm was located over Grayslake,
moving northeast at 55 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.

Locations impacted include...
Grandwood Park, Zion, Lake Villa, Old Mill Creek, Gages Lake, Park
City, Mundelein, Winthrop Harbor, Round Lake Beach, Hainesville,
Grayslake, Gurnee, Round Lake Park, Beach Park, Libertyville,
Venetian Village, Waukegan, Wadsworth, Round Lake, Lindenhurst, Third
Lake, Russell, Round Lake Heights, Green Oaks, and Antioch.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4249 8780 4240 8781 4224 8802 4226 8811
      4235 8812 4249 8805
TIME...MOT...LOC 1908Z 223DEG 47KT 4235 8802 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Borchardt


Action: Expired
Issued At: 2025-03-30 14:20:53

315 
WWUS53 KLOT 301920 RRA
SVSLOT

Severe Weather Statement
National Weather Service Chicago/Romeoville
220 PM CDT Sun Mar 30 2025

ILC097-301930-
/O.EXP.KLOT.SV.W.0018.000000T0000Z-250330T1930Z/
Lake IL-
220 PM CDT Sun Mar 30 2025

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN LAKE COUNTY WILL
EXPIRE AT 230 PM CDT...

The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire.  However, gusty
winds and heavy rain are still possible with this thunderstorm.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Chicago.

&&

LAT...LON 4249 8780 4240 8781 4224 8802 4226 8811
      4235 8812 4249 8805
TIME...MOT...LOC 1920Z 223DEG 47KT 4244 8790 

$$

Borchardt



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