Alert archive / Illinois / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 35, NWS Lincoln, IL

April 19, 2011Effingham County, Shelby County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Apr 19, 2011, 8:45 AM CDT for Effingham County, Shelby County, Illinois. It was in force for 45 min. 2 reports 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: Apr 19, 2011, 8:45 AM CDT (13:45 UTC)
Expired: Apr 19, 2011, 9:30 AM CDT
In force: 45 min
Issued by: NWS Lincoln, IL
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Effingham County, IL, Shelby County, IL

The radar

The Lincoln radar (KILX), 119 km from the middle of the area, began a volume at 13:49 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.

What was reported inside it

Time	Report	Where	Remark
Apr 19, 8:58 AM CDT	HAIL 0.5	Beecher City, IL	TIME ESTIMATED.
Apr 19, 9:34 AM CDT	HAIL 0.5	Herrick, IL

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
Apr 19, 3:11 AM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 1.8 hours before the alert went out and 106 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: 453 m above ground
0-6 km bulk shear: 57 kt
0-1 km storm-relative helicity: 189 m²/s²
0-3 km storm-relative helicity: 345 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.4

Open this sounding in Storm Lab

The text

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

208 
WUUS53 KILX 191345
SVRILX
ILC049-173-191430-
/O.NEW.KILX.SV.W.0035.110419T1345Z-110419T1430Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
845 AM CDT TUE APR 19 2011

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN EFFINGHAM COUNTY IN SOUTH CENTRAL ILLINOIS...
  SOUTHEASTERN SHELBY COUNTY IN CENTRAL ILLINOIS...

* UNTIL 930 AM CDT.

* AT 844 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 5 MILES
  WEST OF WRIGHTS CORNER...OR 13 MILES NORTHEAST OF VANDALIA...AND
  MOVING EAST AT 45 MPH.

* LOCATIONS IMPACTED INCLUDE...
  EFFINGHAM...COWDEN...BEECHER CITY...SHUMWAY...STEWARDSON...
  TEUTOPOLIS...MOCCASIN...MODE...LAKE SARA...STRASBURG...SIGEL AND
  TROWBRIDGE.

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.

&&

LAT...LON 3921 8882 3921 8905 3945 8847 3918 8847
      3909 8846 3905 8881
TIME...MOT...LOC 1346Z 249DEG 40KT 3915 8894
WIND...HAIL 60MPH 1.00IN

$$

BARNES

2 follow-up statements

590 
WWUS53 KILX 191402
SVSILX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
902 AM CDT TUE APR 19 2011

ILC049-173-191430-
/O.CON.KILX.SV.W.0035.000000T0000Z-110419T1430Z/
SHELBY IL-EFFINGHAM IL-
902 AM CDT TUE APR 19 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHERN
EFFINGHAM AND SOUTHEASTERN SHELBY COUNTIES UNTIL 930 AM CDT...

AT 858 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR
BEECHER CITY...OR 13 MILES NORTHWEST OF EFFINGHAM...MOVING EAST AT 45
MPH.

LOCATIONS IMPACTED INCLUDE...
  EFFINGHAM...SHUMWAY...STEWARDSON...TEUTOPOLIS...LAKE SARA...
  STRASBURG...SIGEL AND TROWBRIDGE.

THIS INCLUDES INTERSTATE 57 BETWEEN MILE MARKERS 157 AND 170.

THIS INCLUDES INTERSTATE 70 BETWEEN MILE MARKERS 88 AND 99.

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.

&&

LAT...LON 3921 8882 3921 8905 3945 8847 3918 8847
      3909 8846 3905 8881
TIME...MOT...LOC 1402Z 249DEG 40KT 3921 8872
WIND...HAIL 60MPH 1.00IN

$$

BARNES

273 
WWUS53 KILX 191427
SVSILX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
927 AM CDT TUE APR 19 2011

ILC049-173-191436-
/O.EXP.KILX.SV.W.0035.000000T0000Z-110419T1430Z/
SHELBY IL-EFFINGHAM IL-
927 AM CDT TUE APR 19 2011

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN EFFINGHAM AND
SOUTHEASTERN SHELBY COUNTIES WILL EXPIRE AT 930 AM CDT...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED
AREA.


LAT...LON 3921 8882 3921 8905 3945 8847 3918 8847
      3909 8846 3905 8881
TIME...MOT...LOC 1426Z 249DEG 40KT 3930 8840

$$

BARNES

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 19, 5:00 AM CDT	Special Weather Statement	ILX	Menard, Morgan, Sangamon, Scott	90 min
Apr 19, 5:11 AM CDT	Severe Thunderstorm Warning	ILX	Cass, Morgan, Scott	64 min
Apr 19, 5:20 AM CDT	Severe Thunderstorm Warning	ILX	Morgan, Scott	55 min
Apr 19, 8:05 AM CDT	Severe Thunderstorm Warning	ILX	Coles, Cumberland, Effingham, Moultrie, Shelby	40 min
Apr 19, 8:42 AM CDT	Severe Thunderstorm Warning	ILX	Clay, Effingham	27 min
Apr 19, 9:08 AM CDT	Special Weather Statement	ILX	Jasper	52 min
Apr 19, 9:20 AM CDT	Severe Thunderstorm Warning	ILX	Coles, Cumberland, Effingham, Shelby	40 min
Apr 19, 9:28 AM CDT	Areal Flood Advisory	ILX	Coles, Cumberland, Effingham, Shelby	4 hr
Apr 19, 9:48 AM CDT	Special Weather Statement	ILX	Edgar	42 min
Apr 19, 9:53 AM CDT	Areal Flood Advisory	ILX	Clark, Coles, Edgar	3 hr
Apr 19, 12:55 PM CDT	River Flood Warning	ILX	Fulton, Mason	84 days
Apr 19, 12:55 PM CDT	River Flood Warning	ILX	Brown, Cass, Morgan, Schuyler	86 days
Apr 19, 4:37 PM CDT	Severe Thunderstorm Warning	ILX	Cass, Fulton, Mason, Schuyler	38 min
Apr 19, 4:53 PM CDT	Severe Thunderstorm Warning	ILX	Morgan, Scott	52 min
Apr 19, 5:40 PM CDT	Severe Thunderstorm Warning	ILX	Christian, Sangamon	50 min
Apr 19, 5:46 PM CDT	Severe Thunderstorm Warning	ILX	Morgan, Scott	33 min
Apr 19, 5:47 PM CDT	Special Weather Statement	ILX	Peoria	43 min
Apr 19, 5:54 PM CDT	Special Weather Statement	ILX	Knox, Stark	51 min
Apr 19, 6:01 PM CDT	Severe Thunderstorm Warning	ILX	Logan, Menard, Sangamon	34 min
Apr 19, 6:12 PM CDT	Tornado Warning	ILX	Christian, Sangamon	36 min
Apr 19, 6:14 PM CDT	Severe Thunderstorm Warning	ILX	Marshall, Peoria	31 min
Apr 19, 6:22 PM CDT	Tornado Warning	ILX	Christian	25 min
Apr 19, 6:29 PM CDT	Tornado Warning	ILX	Christian, Shelby	46 min
Apr 19, 6:41 PM CDT	Severe Thunderstorm Warning	ILX	Macon	32 min
Apr 19, 6:45 PM CDT	Tornado Warning	ILX	Christian	21 min
Apr 19, 6:52 PM CDT	Tornado Warning	ILX	Shelby	38 min
Apr 19, 6:54 PM CDT	Tornado Warning	ILX	Macon, Piatt	36 min

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; radar from the NEXRAD Level II archive.