Alert archive / Illinois / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 39, NWS Lincoln, IL

May 27, 2018Moultrie County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at May 27, 2018, 2:57 PM CDT for Moultrie County, Illinois. It was in force for 34 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, 2018, 2:57 PM CDT (19:57 UTC)
Expired
May 27, 2018, 3:31 PM CDT
In force
34 min
Issued by
NWS Lincoln, IL
Area
Storm-based polygon
Hail
1.0 in
Wind
50.0 mph

County Moultrie County, IL

The radar

The Lincoln radar (KILX), 81 km from the middle of the area, began a volume at 19:57 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

Lincoln, IL (KILX), launched 12:00Z, 8.0 hours before the alert went out and 57 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, Lincoln, IL at 12:00Z on 2018-05-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2208 joules per kilogram.LCLLFCEL10008507005003002001001 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, Lincoln, IL at 12:00Z on 2018-05-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 34 square meters per square second.1939Sfc1 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
2208 J/kg
Mixed-layer CIN
-73 J/kg
Mixed-layer LCL
1122 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
34 m²/s²
0-3 km storm-relative helicity
100 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

248 
WUUS53 KILX 271957
SVRILX
ILC139-272045-
/O.NEW.KILX.SV.W.0039.180527T1957Z-180527T2045Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Lincoln IL
257 PM CDT SUN MAY 27 2018

The National Weather Service in Lincoln has issued a

* Severe Thunderstorm Warning for...
  Central Moultrie County in central Illinois...

* Until 345 PM CDT

* At 257 PM CDT, a severe thunderstorm was located near Bethany, or
  near Sullivan, moving south at 10 mph.

  HAZARD...Quarter size hail. 

  SOURCE...Radar indicated. 

  IMPACT...Damage to vehicles is expected. 

* Locations impacted include...
  Sullivan, Bethany and Lovington. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Large hail and gusty winds and continuous cloud to ground lightning 
are 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 3957 8862 3958 8877 3973 8871 3973 8858
TIME...MOT...LOC 1957Z 006DEG 9KT 3965 8868 

HAIL...1.00IN
WIND...<50MPH
 
$$

Smith
3 follow-up statements
411 
WWUS53 KILX 272010
SVSILX

Severe Weather Statement
National Weather Service Lincoln IL
310 PM CDT SUN MAY 27 2018

ILC139-272045-
/O.CON.KILX.SV.W.0039.000000T0000Z-180527T2045Z/
Moultrie-
310 PM CDT SUN MAY 27 2018

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM CDT
FOR CENTRAL MOULTRIE COUNTY...

At 310 PM CDT, a severe thunderstorm was located over Bethany, or
near Sullivan, moving south at 10 mph.

HAZARD...Quarter size hail. 

SOURCE...Radar indicated. 

IMPACT...Damage to vehicles is expected. 

Locations impacted include...
Sullivan, Bethany and Lovington. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 3957 8862 3958 8877 3973 8871 3973 8858
TIME...MOT...LOC 2010Z 011DEG 7KT 3965 8869 

HAIL...1.00IN
WIND...<50MPH
 
$$

Smith
457 
WWUS53 KILX 272018
SVSILX

Severe Weather Statement
National Weather Service Lincoln IL
318 PM CDT SUN MAY 27 2018

ILC139-272045-
/O.CON.KILX.SV.W.0039.000000T0000Z-180527T2045Z/
Moultrie-
318 PM CDT SUN MAY 27 2018

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM CDT
FOR WEST CENTRAL MOULTRIE COUNTY...

At 318 PM CDT, a severe thunderstorm was located over Bethany, or
near Sullivan, moving south at 10 mph.

HAZARD...Quarter size hail. 

SOURCE...Radar indicated. 

IMPACT...Damage to vehicles is expected. 

Locations impacted include...
Bethany.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 3957 8862 3958 8877 3969 8873 3969 8865
TIME...MOT...LOC 2018Z 013DEG 9KT 3964 8871 

HAIL...1.00IN
WIND...<50MPH
 
$$

Smith
767 
WWUS53 KILX 272031
SVSILX

Severe Weather Statement
National Weather Service Lincoln IL
331 PM CDT SUN MAY 27 2018

ILC139-272041-
/O.CAN.KILX.SV.W.0039.000000T0000Z-180527T2045Z/
Moultrie-
331 PM CDT SUN MAY 27 2018

...THE SEVERE THUNDERSTORM WARNING FOR WEST CENTRAL MOULTRIE COUNTY
IS CANCELLED...
        
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning has
been cancelled.  However small hail is still possible with this
thunderstorm.

LAT...LON 3957 8862 3958 8877 3969 8873 3969 8865
TIME...MOT...LOC 2028Z 006DEG 9KT 3961 8871 

$$

Smith

The office that day

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

IssuedProductOfficeCountiesLasted
May 27, 11:54 AM CDTSpecial Weather StatementILXRichland66 min
May 27, 1:08 PM CDTSpecial Weather StatementILXClay52 min
May 27, 1:34 PM CDTSpecial Weather StatementILXMacon56 min
May 27, 1:41 PM CDTSpecial Weather StatementILXChristian49 min
May 27, 1:45 PM CDTSevere Thunderstorm WarningILXChristian45 min
May 27, 1:59 PM CDTSpecial Weather StatementILXChristian46 min
May 27, 2:11 PM CDTSpecial Weather StatementILXColes64 min
May 27, 2:21 PM CDTSevere Thunderstorm WarningILXColes30 min
May 27, 2:39 PM CDTSevere Thunderstorm WarningILXSangamon37 min
May 27, 2:50 PM CDTSpecial Weather StatementILXMoultrie55 min
May 27, 3:26 PM CDTSpecial Weather StatementILXEdgar49 min
May 27, 3:39 PM CDTSevere Thunderstorm WarningILXFulton, Peoria29 min
May 27, 4:24 PM CDTSevere Thunderstorm WarningILXEffingham43 min
May 27, 4:51 PM CDTSevere Thunderstorm WarningILXCumberland54 min
May 27, 5:14 PM CDTSevere Thunderstorm WarningILXEffingham32 min

Nearby

Severe Thunderstorm Warnings in Illinois, 2018Every severe thunderstorm warning in 2018

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.