Alert archive / Illinois / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 246, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Jun 5, 2011, 6:33 AM CDT for Fayette County, Macoupin County, Montgomery County, Illinois. It was in force for 57 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
- Jun 5, 2011, 6:33 AM CDT (11:33 UTC)
- Expired
- Jun 5, 2011, 7:30 AM CDT
- In force
- 57 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Fayette County, IL, Macoupin County, IL, Montgomery County, IL
The radar
The Lincoln radar (KILX), 101 km from the middle of the area, began a volume at 11:35 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 |
|---|---|---|---|
| Jun 5, 7:08 AM CDT | HAIL 1.75 | 3 E Litchfield, IL | ON ROUTE 60 BETWEEN LITCHFIELD AND HILLSBORO. |
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 |
|---|---|---|---|
| Jun 5, 5:00 AM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 00:00Z, 11.6 hours before the alert went out and 125 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.
- Mixed-layer CAPE
- 2793 J/kg
- Mixed-layer CIN
- -8 J/kg
- Mixed-layer LCL
- 1719 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 20 m²/s²
- 0-3 km storm-relative helicity
- 49 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.1
The text
As transmitted, in the capitals the NWS used until 2016.
351
WUUS53 KLSX 051133
SVRLSX
ILC051-117-135-051230-
/O.NEW.KLSX.SV.W.0246.110605T1133Z-110605T1230Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
633 AM CDT SUN JUN 5 2011
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHWESTERN FAYETTE COUNTY IN SOUTH CENTRAL ILLINOIS...
MACOUPIN COUNTY IN SOUTHWEST ILLINOIS...
MONTGOMERY COUNTY IN SOUTH CENTRAL ILLINOIS...
* UNTIL 730 AM CDT
* AT 632 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
OF 60 MPH. THIS STORM WAS LOCATED 6 MILES NORTH OF CARLINVILLE...
AND MOVING EAST AT 45 MPH.
* LOCATIONS IMPACTED INCLUDE...
CARLINVILLE...VIRDEN...GILLESPIE...LITCHFIELD...HILLSBORO...
NOKOMIS...GIRARD...BENLD...FARMERSVILLE...MOUNT OLIVE...WHITE
OAK...RAYMOND...TAYLOR SPRINGS...WITT...COFFEEN...VAN BURENSBURG...
NILWOOD...STANDARD CITY...ATWATER AND HORNSBY.
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 3903 8925 3903 8932 3911 9015 3951 8988
3952 8953 3936 8952 3935 8914 3928 8913
TIME...MOT...LOC 1133Z 282DEG 40KT 3936 8990
WIND...HAIL 60MPH <.75IN
$$
GLASS2 follow-up statements
287
WWUS53 KLSX 051206
SVSLSX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
706 AM CDT SUN JUN 5 2011
ILC117-051216-
/O.CAN.KLSX.SV.W.0246.000000T0000Z-110605T1230Z/
MACOUPIN IL-
706 AM CDT SUN JUN 5 2011
...THE SEVERE THUNDERSTORM WARNING FOR MACOUPIN COUNTY IS
CANCELLED...
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED
AREA.
LAT...LON 3903 8925 3904 8949 3907 8969 3952 8970
3952 8953 3936 8952 3935 8914 3928 8913
TIME...MOT...LOC 1206Z 282DEG 40KT 3921 8954
$$
ILC051-135-051230-
/O.CON.KLSX.SV.W.0246.000000T0000Z-110605T1230Z/
MONTGOMERY IL-FAYETTE IL-
706 AM CDT SUN JUN 5 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHWESTERN
FAYETTE AND MONTGOMERY COUNTIES UNTIL 730 AM CDT...
AT 704 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 5 MILES
NORTHEAST OF LITCHFIELD...MOVING EAST AT 45 MPH.
LOCATIONS IMPACTED INCLUDE...
HILLSBORO...NOKOMIS...TAYLOR SPRINGS...WITT...COFFEEN...VAN
BURENSBURG...IRVING...COALTON...WENONAH...CHAPMAN...OHLMAN...
FILLMORE AND BINGHAM.
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 3903 8925 3904 8949 3907 8969 3952 8970
3952 8953 3936 8952 3935 8914 3928 8913
TIME...MOT...LOC 1206Z 282DEG 40KT 3921 8954
WIND...HAIL 60MPH 1.00IN
$$
GLASS708
WWUS53 KLSX 051211
SVSLSX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
711 AM CDT SUN JUN 5 2011
ILC051-135-051230-
/O.CON.KLSX.SV.W.0246.000000T0000Z-110605T1230Z/
MONTGOMERY IL-FAYETTE IL-
711 AM CDT SUN JUN 5 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHWESTERN
FAYETTE AND MONTGOMERY COUNTIES UNTIL 730 AM CDT...
AT 708 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING GOLF BALL SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR
HILLSBORO...MOVING EAST AT 45 MPH.
IN ADDITION...AT 708 AM THE ILLINOIS STATE POLICE REPORTED GOLF BALL
SIZE HAIL ON ROUTE 16 AROUND 3 MILES EAST OF LITCHFIELD.
LOCATIONS IMPACTED INCLUDE...
NOKOMIS...WITT...COFFEEN...VAN BURENSBURG...IRVING...COALTON...
WENONAH...CHAPMAN...OHLMAN...FILLMORE AND BINGHAM.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.
&&
LAT...LON 3903 8925 3904 8949 3907 8969 3952 8970
3952 8953 3936 8952 3935 8914 3928 8913
TIME...MOT...LOC 1211Z 282DEG 40KT 3917 8949
WIND...HAIL 60MPH 1.75IN
$$
GLASSThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 5, 3:56 AM CDT | Severe Thunderstorm Warning | LSX | Adams, Brown | 49 min |
| Jun 5, 4:29 AM CDT | Severe Thunderstorm Warning | LSX | Adams, Brown, Pike | 46 min |
| Jun 5, 4:59 AM CDT | Severe Thunderstorm Warning | LSX | Calhoun, Greene, Pike | 46 min |
| Jun 5, 5:46 AM CDT | Severe Thunderstorm Warning | LSX | Calhoun, Greene, Jersey, Macoupin | 44 min |
| Jun 5, 7:27 AM CDT | Severe Thunderstorm Warning | LSX | Bond, Fayette, Marion, Montgomery | 48 min |
| Jun 5, 7:36 AM CDT | Severe Thunderstorm Warning | LSX | Brown | 23 min |
Nearby
Severe Thunderstorm Warnings in Illinois, 2011Every 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.