Alert archive / Illinois / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 29, NWS Lincoln, IL

May 27, 2021Jasper County, Richland County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at May 27, 2021, 3:47 PM CDT for Jasper County, Richland County, Illinois. It was in force for 58 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: May 27, 2021, 3:47 PM CDT (20:47 UTC)
Expired: May 27, 2021, 4:45 PM CDT
In force: 58 min
Issued by: NWS Lincoln, IL
Area: Storm-based polygon
Tornado: Possible
Hail: 1.0 in
Wind: 60.0 mph

Counties Jasper County, IL, Richland County, IL

The radar

The Evansville,IN radar (KVWX), 63 km from the middle of the area, began a volume at 20:49 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
May 27, 11:26 AM CDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 8.8 hours before the alert went out and 164 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1679 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 130 m²/s²
0-3 km storm-relative helicity: 150 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

749 
WUUS53 KILX 272047
SVRILX
ILC079-159-272145-
/O.NEW.KILX.SV.W.0029.210527T2047Z-210527T2145Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Lincoln IL
347 PM CDT Thu May 27 2021

The National Weather Service in Lincoln has issued a

* Severe Thunderstorm Warning for...
  Southeastern Jasper County in southeastern Illinois...
  Richland County in southeastern Illinois...

* Until 445 PM CDT.

* At 347 PM CDT, severe thunderstorms were located along a line
  extending from near Bible Grove to Sailor Springs to 6 miles north
  of Cisne, moving east 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...
  Noble and Bogota around 400 PM CDT.
  Schnell around 405 PM CDT.
  Olney, Dundas and West Liberty around 415 PM CDT.
  Ste. Marie, Parkersburg and Calhoun around 425 PM CDT.
  Claremont around 435 PM CDT.

Other locations impacted by these severe thunderstorms include
Wakefield, Berryville and Olney Noble Airport.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3860 8816 3860 8822 3862 8830 3863 8830
      3866 8827 3873 8829 3873 8826 3885 8827
      3896 8825 3897 8794 3885 8795 3885 8791
      3857 8791 3857 8814
TIME...MOT...LOC 2047Z 262DEG 25KT 3892 8836 3877 8834 3860 8840 

TORNADO...POSSIBLE
HAIL...1.00IN
WIND...60MPH
 
$$

Barnes

1 follow-up statement

012 
WWUS53 KILX 272143
SVSILX

Severe Weather Statement
National Weather Service Lincoln IL
443 PM CDT Thu May 27 2021

ILC079-159-272152-
/O.EXP.KILX.SV.W.0029.000000T0000Z-210527T2145Z/
Jasper-Richland-
443 PM CDT Thu May 27 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN JASPER AND
RICHLAND COUNTIES WILL EXPIRE AT 445 PM CDT...
            
The storms which prompted the warning have weakened below severe
limits, and no longer pose 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 these thunderstorms.

A Severe Thunderstorm Watch remains in effect until 700 PM CDT for
south central, southeastern and east central Illinois.

LAT...LON 3860 8816 3860 8822 3862 8830 3863 8830
      3866 8827 3873 8829 3873 8826 3885 8827
      3896 8825 3897 8794 3885 8795 3885 8791
      3857 8791 3857 8814
TIME...MOT...LOC 2142Z 262DEG 25KT 3897 8791 3882 8789 3865 8795 

$$

Barnes

The office that day

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

Issued	Product	Office	Counties	Lasted
May 27, 10:13 AM CDT	Special Weather Statement	ILX	Menard, Morgan, Sangamon	32 min
May 27, 11:14 AM CDT	Special Weather Statement	ILX	Cass, Morgan, Scott	46 min
May 27, 11:58 AM CDT	Severe Thunderstorm Warning	ILX	Morgan, Sangamon	62 min
May 27, 1:05 PM CDT	Severe Thunderstorm Warning	ILX	Christian, DeWitt, Logan, Macon, Sangamon, Shelby	55 min
May 27, 3:06 PM CDT	Severe Thunderstorm Warning	ILX	Clay, Effingham, Jasper	54 min

Nearby

Severe Thunderstorm Warnings in Illinois, 2021 Every 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.