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Severe Thunderstorm Warning 0047
Issued by the Chicago Forecast Office

Action Issued Starts Expiration
New 2025-06-03 13:11:17 2025-06-03 13:10:00 2025-06-03 14:00:00
Continued 2025-06-03 13:26:17 2025-06-03 14:00:00
Continued 2025-06-03 13:42:18 2025-06-03 14:00:00
Expired 2025-06-03 13:59:48 2025-06-03 14:00:00


Action: New
Issued At: 2025-06-03 13:11:17

645 
WUUS53 KLOT 031810
SVRLOT
ILC111-031900-
/O.NEW.KLOT.SV.W.0047.250603T1810Z-250603T1900Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Chicago/Romeoville
110 PM CDT Tue Jun 3 2025

The National Weather Service in Chicago has issued a

* Severe Thunderstorm Warning for...
  McHenry County in northeastern Illinois...

* Until 200 PM CDT.

* At 110 PM CDT, severe thunderstorms were located along a line
  extending from near Roscoe to near Belvidere, moving east at 50
  mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Greenwood, Wonder Lake, Spring Grove, McCullom Lake, Woodstock,
  Harvard, Marengo, Hebron, McHenry, Lakemoor, Bull Valley,
  Johnsburg, Ringwood, Chemung, Richmond, Pistakee Highlands,
  Ridgefield, Holiday Hills, Union, Prairie Grove, Fox Lake, Genoa
  City, and Island Lake.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4230 8820 4221 8870 4249 8871 4250 8842
      4249 8820
TIME...MOT...LOC 1810Z 255DEG 43KT 4245 8897 4221 8889 

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

$$

Petr


Action: Continued
Issued At: 2025-06-03 13:26:17

001 
WWUS53 KLOT 031826
SVSLOT

Severe Weather Statement
National Weather Service Chicago/Romeoville
126 PM CDT Tue Jun 3 2025

ILC111-031900-
/O.CON.KLOT.SV.W.0047.000000T0000Z-250603T1900Z/
McHenry IL-
126 PM CDT Tue Jun 3 2025

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 200 PM CDT
FOR MCHENRY COUNTY...

At 124 PM CDT, severe thunderstorms were located along a line 
extending from near Sharon to near Marengo, moving northeast at 45 
mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Greenwood, Wonder Lake, Spring Grove, McCullom Lake, Woodstock,
Harvard, Marengo, Hebron, McHenry, Lakemoor, Bull Valley, Johnsburg,
Ringwood, Chemung, Richmond, Pistakee Highlands, Ridgefield, Holiday
Hills, Union, Prairie Grove, Fox Lake, Genoa City, and Island Lake.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4230 8820 4221 8870 4249 8871 4250 8842
      4249 8820
TIME...MOT...LOC 1824Z 256DEG 40KT 4245 8873 4225 8870 

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

$$

Petr


Action: Continued
Issued At: 2025-06-03 13:42:18

339 
WWUS53 KLOT 031842
SVSLOT

Severe Weather Statement
National Weather Service Chicago/Romeoville
142 PM CDT Tue Jun 3 2025

ILC111-031900-
/O.CON.KLOT.SV.W.0047.000000T0000Z-250603T1900Z/
McHenry IL-
142 PM CDT Tue Jun 3 2025

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 200 PM CDT
FOR NORTHEASTERN MCHENRY COUNTY...

At 139 PM CDT, severe thunderstorms were located along a line
extending from near Hebron to Woodstock, moving east at 45 mph.

HAZARD...60 mph wind gusts.

SOURCE...Broadcast media reported downed trees on powerlines 2 miles 
         south of Harvard around 130 CDT.

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

Locations impacted include...
Greenwood, Wonder Lake, Spring Grove, McCullom Lake, Woodstock,
Hebron, McHenry, Lakemoor, Bull Valley, Johnsburg, Ringwood,
Richmond, Pistakee Highlands, Ridgefield, Holiday Hills, Prairie
Grove, Fox Lake, Genoa City, Island Lake, and Crystal Lake.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4224 8852 4250 8856 4250 8842 4249 8820
      4230 8820
TIME...MOT...LOC 1839Z 255DEG 41KT 4250 8846 4230 8843 

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

$$

Petr


Action: Expired
Issued At: 2025-06-03 13:59:48

957 
WWUS53 KLOT 031859
SVSLOT

Severe Weather Statement
National Weather Service Chicago/Romeoville
159 PM CDT Tue Jun 3 2025

ILC111-031908-
/O.EXP.KLOT.SV.W.0047.000000T0000Z-250603T1900Z/
McHenry IL-
159 PM CDT Tue Jun 3 2025

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN MCHENRY COUNTY
WILL EXPIRE AT 200 PM CDT...

The portion of the storm which prompted the warning have moved out 
of the area. Therefore, the warning will be allowed to expire. 
However, gusty winds are still possible with these thunderstorms.

&&

LAT...LON 4224 8852 4250 8856 4250 8842 4249 8820
      4230 8820
TIME...MOT...LOC 1858Z 255DEG 43KT 4255 8818 4235 8815 

$$

Petr



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