Alert archive / Illinois / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 39, NWS Lincoln, IL

May 24, 2015Christian County, Sangamon County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at May 24, 2015, 11:03 PM CDT for Christian County, Sangamon County, Illinois. It was in force for 45 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 24, 2015, 11:03 PM CDT (04:03 UTC)
Expired
May 24, 2015, 11:48 PM CDT
In force
45 min
Issued by
NWS Lincoln, IL
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Christian County, IL, Sangamon County, IL

The radar

The Lincoln radar (KILX), 47 km from the middle of the area, began a volume at 04:07 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.

IssuedProductOfficeLasted
May 24, 5:34 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 4.1 hours before the alert went out and 76 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 00:00Z on 2015-05-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 169 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 00:00Z on 2015-05-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 102 square meters per square second.193958Sfc1 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
169 J/kg
Mixed-layer CIN
-15 J/kg
Mixed-layer LCL
1620 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
102 m²/s²
0-3 km storm-relative helicity
173 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.6

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

671 
WUUS53 KILX 250403
SVRILX
ILC021-167-250500-
/O.NEW.KILX.SV.W.0039.150525T0403Z-150525T0500Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
1103 PM CDT SUN MAY 24 2015

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN SANGAMON COUNTY IN CENTRAL ILLINOIS...
  CHRISTIAN COUNTY IN CENTRAL ILLINOIS...

* UNTIL MIDNIGHT CDT

* AT 1102 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR
  MORRISONVILLE...OR NEAR NOKOMIS...MOVING NORTH AT 55 MPH.

  HAZARD...60 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

  IMPACT...EXPECT DAMAGE TO ROOFS...SIDING AND TREES. 

* LOCATIONS IMPACTED INCLUDE...
  TAYLORVILLE...PANA...MOWEAQUA...KINCAID...ASSUMPTION...EDINBURG...
  MORRISONVILLE...STONINGTON...ILLIOPOLIS...MECHANICSBURG...MOUNT
  AUBURN...BULPITT...JEISYVILLE...TOVEY...DAWSON...BUFFALO...
  ROSAMOND...BERRY...OWANECO AND PALMER.

THIS INCLUDES INTERSTATE 72 BETWEEN MILE MARKERS 110 AND 124.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN
DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH A TORNADO IS NOT
IMMEDIATELY LIKELY...IF ONE IS SPOTTED...ACT QUICKLY AND MOVE TO A
PLACE OF SAFETY INSIDE A STURDY STRUCTURE...SUCH AS A BASEMENT OR
SMALL INTERIOR ROOM.

&&

A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 AM CDT FOR CENTRAL
ILLINOIS.

LAT...LON 3964 8953 3994 8949 3993 8941 3992 8940
      3992 8922 3981 8922 3982 8919 3980 8914
      3966 8914 3965 8902 3935 8902 3935 8953
TIME...MOT...LOC 0402Z 191DEG 46KT 3935 8939 

HAIL...<.75IN
WIND...60MPH
 
$$

HJS
2 follow-up statements
840 
WWUS53 KILX 250431
SVSILX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
1131 PM CDT SUN MAY 24 2015

ILC021-167-250500-
/O.CON.KILX.SV.W.0039.000000T0000Z-150525T0500Z/
SANGAMON IL-CHRISTIAN IL-
1131 PM CDT SUN MAY 24 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CDT
FOR NORTHEASTERN SANGAMON AND CHRISTIAN COUNTIES...

AT 1131 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER MOUNT
AUBURN...OR 14 MILES NORTH OF TAYLORVILLE...MOVING NORTH AT 50 MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

IMPACT...EXPECT DAMAGE TO ROOFS...SIDING AND TREES. 

LOCATIONS IMPACTED INCLUDE...
TAYLORVILLE...PANA...MOWEAQUA...KINCAID...ASSUMPTION...EDINBURG...
MORRISONVILLE...STONINGTON...ILLIOPOLIS...MECHANICSBURG...MOUNT
AUBURN...BULPITT...JEISYVILLE...TOVEY...DAWSON...BUFFALO...
ROSAMOND...BERRY...OWANECO AND PALMER.

THIS INCLUDES INTERSTATE 72 BETWEEN MILE MARKERS 110 AND 124.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN
DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH A TORNADO IS NOT
IMMEDIATELY LIKELY...IF ONE IS SPOTTED...ACT QUICKLY AND MOVE TO A
PLACE OF SAFETY INSIDE A STURDY STRUCTURE...SUCH AS A BASEMENT OR
SMALL INTERIOR ROOM.

&&

A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 AM CDT FOR CENTRAL
ILLINOIS.

LAT...LON 3964 8953 3994 8949 3993 8941 3992 8940
      3992 8922 3981 8922 3982 8919 3980 8914
      3966 8914 3965 8902 3935 8902 3935 8953
TIME...MOT...LOC 0431Z 195DEG 45KT 3973 8925 

HAIL...<.75IN
WIND...60MPH
 
$$

HJS
979 
WWUS53 KILX 250448
SVSILX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
1148 PM CDT SUN MAY 24 2015

ILC021-167-250457-
/O.CAN.KILX.SV.W.0039.000000T0000Z-150525T0500Z/
SANGAMON IL-CHRISTIAN IL-
1148 PM CDT SUN MAY 24 2015

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN SANGAMON AND
CHRISTIAN COUNTIES IS CANCELLED...
                
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
THEREFORE THE WARNING HAS BEEN CANCELLED.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 AM CDT FOR CENTRAL
ILLINOIS.

LAT...LON 3964 8953 3994 8949 3993 8941 3992 8940
      3992 8922 3981 8922 3982 8919 3980 8914
      3966 8914 3965 8902 3935 8902 3935 8953
TIME...MOT...LOC 0447Z 191DEG 46KT 3993 8920 

$$

HJS

The office that day

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

IssuedProductOfficeCountiesLasted
May 24, 11:29 PM CDTSevere Thunderstorm WarningILXMacon, Moultrie, Shelby25 min

Nearby

Severe Thunderstorm Warnings in Illinois, 2015Every severe thunderstorm warning in 2015

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.