Alert archive / Illinois / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 71, NWS Lincoln, IL

July 9, 2021Schuyler County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Jul 9, 2021, 8:03 PM CDT for Schuyler County, Illinois. It was in force for 57 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jul 9, 2021, 8:03 PM CDT (01:03 UTC)
Expired
Jul 9, 2021, 9:00 PM CDT
In force
57 min
Issued by
NWS Lincoln, IL
Area
Storm-based polygon
Hail
1.25 in
Wind
60.0 mph

County Schuyler County, IL

The radar

The Lincoln radar (KILX), 113 km from the middle of the area, began a volume at 01:06 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Davenport, (KDVN), launched 00:00Z, 1.1 hours before the alert went out and 171 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Davenport, at 00:00Z on 2021-07-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Davenport, at 00:00Z on 2021-07-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 19 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1111 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
19 m²/s²
0-3 km storm-relative helicity
114 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.0

Open this sounding in Storm Lab

The text

As transmitted.

159 
WUUS53 KILX 100103
SVRILX
ILC169-100200-
/O.NEW.KILX.SV.W.0071.210710T0103Z-210710T0200Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Lincoln IL
803 PM CDT Fri Jul 9 2021

The National Weather Service in Lincoln has issued a

* Severe Thunderstorm Warning for...
  Schuyler County in west central Illinois...

* Until 900 PM CDT.

* At 803 PM CDT, a severe thunderstorm was located over Colmar, or 12
  miles southwest of Macomb, moving southeast at 35 mph.

  HAZARD...60 mph wind gusts and half dollar size hail.

  SOURCE...Trained weather spotters.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* Locations impacted include...
  Littleton and Rushville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Prepare immediately for large hail and damaging winds. People outside
should move immediately to shelter inside a strong building. Stay
away from windows.

Large hail and damaging winds and continuous cloud to ground
lightning is occurring with this storm. Move indoors immediately.
Lightning is one of nature's leading killers. Remember, if you can
hear thunder, you are close enough to be struck by lightning.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4028 9091 4027 9045 4002 9044 4000 9051
      3999 9052 3998 9059 4002 9062 4003 9061
      4002 9063 4005 9068 4008 9067 4008 9070
      4011 9071 4011 9091
TIME...MOT...LOC 0103Z 328DEG 31KT 4035 9085 

HAIL...1.25IN
WIND...60MPH
 
$$

25
4 follow-up statements
515 
WWUS53 KILX 100122
SVSILX

Severe Weather Statement
National Weather Service Lincoln IL
822 PM CDT Fri Jul 9 2021

ILC169-100200-
/O.CON.KILX.SV.W.0071.000000T0000Z-210710T0200Z/
Schuyler-
822 PM CDT Fri Jul 9 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM CDT
FOR SCHUYLER COUNTY...

At 822 PM CDT, a severe thunderstorm was located 8 miles west of
Littleton, or 12 miles northwest of Rushville, moving southeast at 35
mph.

HAZARD...Two inch hail and 60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Expect wind 
         damage to roofs, siding, and trees.

Locations impacted include...
Rushville, Littleton, Huntsville, Camden, Ripley, Weinberg King State
Park and Ray.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 200 AM CDT for west central
Illinois.

Prepare immediately for large hail and damaging winds. People outside
should move to a shelter, inside a strong building and away from
windows.

Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4028 9091 4027 9045 4002 9044 4000 9051
      3999 9052 3998 9059 4002 9062 4003 9061
      4002 9063 4005 9068 4008 9067 4008 9070
      4011 9071 4011 9091
TIME...MOT...LOC 0122Z 330DEG 30KT 4020 9078 

HAIL...2.00IN
WIND...60MPH
 
$$

25
210 
WWUS53 KILX 100132
SVSILX

Severe Weather Statement
National Weather Service Lincoln IL
832 PM CDT Fri Jul 9 2021

ILC169-100200-
/O.CON.KILX.SV.W.0071.000000T0000Z-210710T0200Z/
Schuyler-
832 PM CDT Fri Jul 9 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM CDT
FOR SCHUYLER COUNTY...

At 831 PM CDT, a severe thunderstorm was located 8 miles west of
Rushville, moving southeast at 35 mph.

This is a very dangerous storm.

HAZARD...Baseball size hail.

SOURCE...Trained weather spotters. At 820 pm CDT a trained weather 
         spotter reported baseball sized hail just east of Plymouth.

IMPACT...People and animals outdoors will be severely injured. 
         Expect shattered windows, extensive damage to roofs, 
         siding, and vehicles.

Locations impacted include...
Rushville, Littleton, Huntsville, Camden, Ripley, Weinberg King State
Park and Ray.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 200 AM CDT for west central
Illinois.

This is a dangerous storm. Prepare immediately for large destructive
hail capable of producing significant damage. People outside should
move to a shelter, inside a strong building and away from windows.

Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4028 9091 4027 9045 4002 9044 4000 9051
      3999 9052 3998 9059 4002 9062 4003 9061
      4002 9063 4005 9068 4008 9067 4008 9070
      4011 9071 4011 9091
TIME...MOT...LOC 0131Z 330DEG 30KT 4014 9073 

TORNADO...POSSIBLE
HAIL...2.75IN
WIND...<50MPH
 
$$

25
736 
WWUS53 KILX 100145
SVSILX

Severe Weather Statement
National Weather Service Lincoln IL
845 PM CDT Fri Jul 9 2021

ILC169-100200-
/O.CON.KILX.SV.W.0071.000000T0000Z-210710T0200Z/
Schuyler-
845 PM CDT Fri Jul 9 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM CDT
FOR WESTERN SCHUYLER COUNTY...

At 844 PM CDT, a severe thunderstorm was located 8 miles north of
Mount Sterling, or 11 miles west of Rushville, moving south at 25
mph.

This is a very dangerous storm.

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

SOURCE...Trained weather spotters.

IMPACT...People and animals outdoors will be severely injured. 
         Expect shattered windows, extensive damage to roofs, 
         siding, and vehicles.

Locations impacted include...
Huntsville, Camden, Ripley and Weinberg King State Park. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 200 AM CDT for west central
Illinois.

This is a dangerous storm. Prepare immediately for large destructive
hail capable of producing significant damage. People outside should
move to a shelter, inside a strong building and away from windows.

Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4027 9065 3998 9056 3998 9059 4002 9062
      4003 9061 4002 9063 4005 9068 4008 9067
      4008 9070 4011 9071 4011 9091 4028 9091
TIME...MOT...LOC 0144Z 338DEG 22KT 4011 9078 

TORNADO...POSSIBLE
HAIL...2.75IN
WIND...60MPH
 
$$

25
095 
WWUS53 KILX 100155
SVSILX

Severe Weather Statement
National Weather Service Lincoln IL
855 PM CDT Fri Jul 9 2021

ILC169-100204-
/O.EXP.KILX.SV.W.0071.000000T0000Z-210710T0200Z/
Schuyler-
855 PM CDT Fri Jul 9 2021

...THE SEVERE THUNDERSTORM WARNING FOR WESTERN SCHUYLER COUNTY WILL
EXPIRE AT 900 PM CDT...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.

A Tornado Watch remains in effect until 200 AM CDT for west central
Illinois.

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

LAT...LON 4027 9065 3998 9056 3998 9059 4002 9062
      4003 9061 4002 9063 4005 9068 4008 9067
      4008 9070 4011 9071 4011 9091 4028 9091
TIME...MOT...LOC 0154Z 328DEG 31KT 4004 9072 

$$

25

The office that day

Everything else NWS Lincoln, IL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 9, 10:50 PM CDTSpecial Weather StatementILXSangamon25 min
Jul 9, 11:11 PM CDTAreal Flood AdvisoryILXSangamon115 min
Jul 9, 11:43 PM CDTSevere Thunderstorm WarningILXChristian, Moultrie, Shelby47 min
Jul 10, 1:18 AM CDTSpecial Weather StatementILXClay, Richland57 min
Jul 10, 9:27 AM CDTRiver Flood WarningILXClay, Richland11 days
Jul 10, 2:08 PM CDTTornado WarningILXCass, Mason, Morgan52 min
Jul 10, 2:45 PM CDTTornado WarningILXCass, Mason, Menard60 min
Jul 10, 2:53 PM CDTTornado WarningILXFulton, Mason52 min
Jul 10, 3:38 PM CDTTornado WarningILXLogan, Mason, Menard37 min
Jul 10, 6:18 PM CDTFlash Flood WarningILXClay3 hr
Jul 10, 6:22 PM CDTSevere Thunderstorm WarningILXClay, Richland53 min

Nearby

Severe Thunderstorm Warnings in Illinois, 2021Every severe thunderstorm warning in 2021

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.