Alert archive / Illinois / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 98, NWS Lincoln, IL

May 25, 20114 counties in Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at May 25, 2011, 5:47 AM CDT for 4 counties in Illinois. It was in force for 58 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: May 25, 2011, 5:47 AM CDT (10:47 UTC)
Expired: May 25, 2011, 6:45 AM CDT
In force: 58 min
Issued by: NWS Lincoln, IL
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Logan County, IL, Mason County, IL, Menard County, IL, Sangamon County, IL

What was reported inside it

Time	Report	Where	Remark
May 25, 6:03 AM CDT	TSTM WND DMG	2 Sw Springfield, IL	LARGE TREE LIMBS DOWN

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

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 25, 1:22 AM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 10.8 hours before the alert went out and 83 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: 375 J/kg
Mixed-layer CIN: -47 J/kg
Mixed-layer LCL: 1724 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 30 m²/s²
0-3 km storm-relative helicity: 44 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

353 
WUUS53 KILX 251047
SVRILX
ILC107-125-129-167-251145-
/O.NEW.KILX.SV.W.0098.110525T1047Z-110525T1145Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
547 AM CDT WED MAY 25 2011

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  LOGAN COUNTY IN CENTRAL ILLINOIS...
  EAST CENTRAL MASON COUNTY IN CENTRAL ILLINOIS...
  MENARD COUNTY IN CENTRAL ILLINOIS...
  SANGAMON COUNTY IN CENTRAL ILLINOIS...

* UNTIL 645 AM CDT.

* AT 542 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE
  HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE
  LOCATED ALONG A LINE EXTENDING FROM PETERSBURG TO ROCHESTER...AND
  MOVING NORTHEAST AT 45 MPH.

* LOCATIONS IMPACTED INCLUDE...
  MASON CITY...LINCOLN...SHERMAN...RIVERTON...GREENVIEW...
  WILLIAMSVILLE...MECHANICSBURG...EASTON...MIDDLETOWN...CORNLAND...
  ELKHART...ILLIOPOLIS...SAN JOSE...MOUNT PULASKI...HARTSBURG...
  EMDEN...CHESTNUT...BEASON...ATLANTA AND SPAULDING.

AT 541 AM...SANGAMON COUNTY EMERGENCY MANAGER REPORTED POWER POLES   
KNOCKED DOWN IN A ONE MILE OF STRETCH OF ROUTE 104 BETWEEN AUBURN    
AND I-55.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

&&

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 AM CDT WEDNESDAY MORNING
FOR WEST CENTRAL ILLINOIS.

LAT...LON 4013 9001 4033 8972 4032 8930 4028 8928
      4027 8916 3994 8918 3983 8925 3974 8940
      3975 8942 3972 8943 3965 8955 3957 8993
      3973 8999
TIME...MOT...LOC 1045Z 209DEG 39KT 4005 8980 3972 8947
WIND...HAIL 60MPH 1.00IN

$$

3 follow-up statements

870 
WWUS53 KILX 251107
SVSILX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
607 AM CDT WED MAY 25 2011

ILC107-125-129-167-251145-
/O.CON.KILX.SV.W.0098.000000T0000Z-110525T1145Z/
LOGAN IL-MASON IL-MENARD IL-SANGAMON IL-
607 AM CDT WED MAY 25 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHERN
SANGAMON...MENARD...EAST CENTRAL MASON AND LOGAN COUNTIES UNTIL 645
AM CDT...

AT 602 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE
LOCATED ALONG A LINE EXTENDING FROM 5 MILES NORTHEAST OF EASTON TO
CORNLAND...MOVING NORTHEAST AT 45 MPH.

LOCATIONS IMPACTED INCLUDE...
  LINCOLN...SAN JOSE...MOUNT PULASKI...HARTSBURG...EMDEN...BEASON...
  ATLANTA AND LAWNDALE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

&&

LAT...LON 4033 8972 4032 8971 4032 8930 4028 8928
      4027 8916 3994 8925 3986 8939 3979 8962
      3976 8986 3981 8999 4011 8999 4010 9000
      4013 9001
TIME...MOT...LOC 1107Z 209DEG 39KT 4033 8972 3998 8936
WIND...HAIL 60MPH 1.00IN

$$

620 
WWUS53 KILX 251127
SVSILX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
627 AM CDT WED MAY 25 2011

ILC107-125-129-167-251145-
/O.CON.KILX.SV.W.0098.000000T0000Z-110525T1145Z/
LOGAN IL-MASON IL-MENARD IL-SANGAMON IL-
627 AM CDT WED MAY 25 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTH CENTRAL
SANGAMON...MENARD...EAST CENTRAL MASON AND LOGAN COUNTIES UNTIL 645
AM CDT...

AT 625 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
FROM GREENVIEW TO CORNLAND...MOVING NORTHEAST AT 40 MPH.

LOCATIONS IMPACTED INCLUDE...
  MASON CITY...LINCOLN...MIDDLETOWN...EASTON...MOUNT PULASKI...
  HARTSBURG...SAN JOSE...BEASON...EMDEN...ATLANTA...BROADWELL...NEW
  HOLLAND AND LAWNDALE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

THIS STORM HAS A HISTORY OF PRODUCING WIDESPREAD WIND DAMAGE ACROSS 
SOUTHERN SANGAMON COUNTY. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE 
AND STAY AWAY FROM WINDOWS.

&&

LAT...LON 4033 8972 4032 8971 4032 8930 4028 8928
      4027 8916 3994 8925 3988 8940 3991 8958
      3999 8987 4011 9000 4013 9001
TIME...MOT...LOC 1127Z 216DEG 33KT 4011 8972 4000 8941
WIND...HAIL 60MPH <.75IN

$$

SHIMON

249 
WWUS53 KILX 251137
SVSILX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
637 AM CDT WED MAY 25 2011

ILC107-125-129-167-251147-
/O.EXP.KILX.SV.W.0098.000000T0000Z-110525T1145Z/
LOGAN IL-MASON IL-MENARD IL-SANGAMON IL-
637 AM CDT WED MAY 25 2011

...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL SANGAMON...
MENARD...EAST CENTRAL MASON AND LOGAN COUNTIES WILL EXPIRE AT 645 AM
CDT...

THE LINE OF STORMS WHICH PROMPTED THE WARNING HAVE WEAKENED AND MOVED
OUT OF THE WARNED AREA.

ADDITIONAL STRONG THUNDERSTORMS ARE STILL POSSIBLE...AND A TORNADO 
WATCH REMAINS IN EFFECT UNTIL 8 AM CDT.

LAT...LON 4033 8972 4032 8971 4032 8930 4028 8928
      4027 8916 3994 8925 3988 8940 3991 8958
      3999 8987 4011 9000 4013 9001
TIME...MOT...LOC 1137Z 216DEG 33KT 4018 8965 4007 8934

$$

SHIMON

The office that day

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

Issued	Product	Office	Counties	Lasted
May 25, 2:25 AM CDT	Special Weather Statement	ILX	Morgan, Scott	65 min
May 25, 6:57 AM CDT	Special Weather Statement	ILX	Christian, Macon, Moultrie, Piatt, Shelby	63 min
May 25, 7:57 AM CDT	Tornado Warning	ILX	Piatt	13 min
May 25, 8:16 AM CDT	Severe Thunderstorm Warning	ILX	Champaign, Vermilion	44 min
May 25, 9:29 AM CDT	River Flood Warning	ILX	Fulton, Knox	7 days
May 25, 9:29 AM CDT	River Flood Warning	ILX	Fulton	7 days
May 25, 11:59 AM CDT	Severe Thunderstorm Warning	ILX	Champaign, Douglas, Edgar, Vermilion	61 min
May 25, 12:49 PM CDT	Areal Flood Advisory	ILX	Edgar, Vermilion	6 hr
May 25, 12:54 PM CDT	Severe Thunderstorm Warning	ILX	Shelby	66 min
May 25, 1:10 PM CDT	Tornado Warning	ILX	Effingham, Shelby	31 min
May 25, 1:20 PM CDT	Flash Flood Watch	ILX	Cass, Champaign, Christian, Clark, Clay, Coles and 29 more	10 hr
May 25, 1:44 PM CDT	Severe Thunderstorm Warning	ILX	Coles, Douglas, Moultrie	51 min
May 25, 2:23 PM CDT	Severe Thunderstorm Warning	ILX	Edgar	23 min
May 25, 2:44 PM CDT	Severe Thunderstorm Warning	ILX	Edgar, Vermilion	38 min
May 25, 3:20 PM CDT	Severe Thunderstorm Warning	ILX	Edgar	25 min
May 25, 3:47 PM CDT	Tornado Warning	ILX	Cass, Morgan, Scott	43 min
May 25, 4:02 PM CDT	Severe Thunderstorm Warning	ILX	Christian, Sangamon	58 min
May 25, 4:17 PM CDT	Tornado Warning	ILX	Christian, Sangamon	25 min
May 25, 4:29 PM CDT	Severe Thunderstorm Warning	ILX	Cass, Fulton, Mason, Morgan, Schuyler	61 min
May 25, 4:33 PM CDT	Severe Thunderstorm Warning	ILX	Cass, Menard, Morgan, Sangamon	57 min
May 25, 4:57 PM CDT	Severe Thunderstorm Warning	ILX	Christian, Logan, Menard, Sangamon	51 min
May 25, 5:00 PM CDT	Severe Thunderstorm Warning	ILX	Douglas, Macon, Moultrie, Piatt, Shelby	60 min
May 25, 5:01 PM CDT	Flash Flood Warning	ILX	Cass, Fulton, Schuyler	3 hr
May 25, 5:07 PM CDT	Severe Thunderstorm Warning	ILX	Edgar	38 min
May 25, 5:08 PM CDT	Flash Flood Warning	ILX	Christian, Sangamon	3 hr
May 25, 5:13 PM CDT	Tornado Warning	ILX	Christian, Shelby	32 min
May 25, 5:19 PM CDT	Severe Thunderstorm Warning	ILX	Fulton, Logan, Mason, Menard, Tazewell	35 min
May 25, 5:37 PM CDT	Severe Thunderstorm Warning	ILX	Macon, Piatt, Shelby	38 min
May 25, 5:42 PM CDT	Severe Thunderstorm Warning	ILX	DeWitt, McLean, Macon, Piatt	37 min
May 25, 5:45 PM CDT	Severe Thunderstorm Warning	ILX	Fulton, Knox, McLean, Peoria, Tazewell, Woodford	60 min
May 25, 5:51 PM CDT	Tornado Warning	ILX	DeWitt, McLean	24 min
May 25, 5:58 PM CDT	Severe Thunderstorm Warning	ILX	Champaign, Douglas, Piatt	47 min
May 25, 6:01 PM CDT	Areal Flood Advisory	ILX	Christian, Logan, Macon, Sangamon	116 min
May 25, 6:11 PM CDT	Severe Thunderstorm Warning	ILX	Clay, Effingham, Jasper	49 min
May 25, 6:12 PM CDT	Tornado Warning	ILX	McLean	40 min
May 25, 6:15 PM CDT	Severe Thunderstorm Warning	ILX	Knox, McLean, Marshall, Peoria, Stark, Woodford	40 min
May 25, 6:19 PM CDT	Flash Flood Warning	ILX	Knox	4 hr
May 25, 6:27 PM CDT	Severe Thunderstorm Warning	ILX	Champaign	33 min
May 25, 6:42 PM CDT	Severe Thunderstorm Warning	ILX	Champaign, Coles, Douglas, Moultrie, Piatt	33 min
May 25, 6:53 PM CDT	Tornado Warning	ILX	Champaign, Piatt	37 min
May 25, 6:57 PM CDT	Areal Flood Advisory	ILX	Champaign, Coles, DeWitt, Douglas, Moultrie, Piatt	4 hr

Nearby

Severe Thunderstorm Warnings in Illinois, 2011 Every severe thunderstorm warning in 2011

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.