Alert archive / Illinois / Tornado Warnings in 2007
Tornado Warning 17, NWS Lincoln, IL
NWS Lincoln, IL issued this tornado warning at Sep 6, 2007, 6:36 PM CDT for Logan County, Menard County, Sangamon County, Illinois. It was in force for 24 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
- Sep 6, 2007, 6:36 PM CDT (23:36 UTC)
- Expired
- Sep 6, 2007, 7:00 PM CDT
- In force
- 24 min
- Issued by
- NWS Lincoln, IL
- Area
- Counties, with a storm outline in the text
Counties Logan County, IL, Menard County, IL, Sangamon County, IL
The radar
The Lincoln radar (KILX), 26 km from the middle of the area, began a volume at 23:35 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.
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 11.6 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.
- Mixed-layer CAPE
- 134 J/kg
- Mixed-layer CIN
- -58 J/kg
- Mixed-layer LCL
- 772 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 77 m²/s²
- 0-3 km storm-relative helicity
- 48 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS53 KILX 062336 TORILX ILC107-129-167-070000- /O.NEW.KILX.TO.W.0017.070906T2336Z-070907T0000Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE LINCOLN IL 636 PM CDT THU SEP 6 2007 THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A * TORNADO WARNING FOR... NORTHERN SANGAMON COUNTY IN CENTRAL ILLINOIS... EASTERN MENARD COUNTY IN CENTRAL ILLINOIS... SOUTHERN LOGAN COUNTY IN CENTRAL ILLINOIS... * UNTIL 700 PM CDT. * AT 636 PM CDT...THE PUBLIC REPORTED A TORNADO NEAR WILLIAMSVILLE... OR ABOUT 12 MILES NORTH OF SPRINGFIELD...MOVING NORTHEAST AT 20 MPH. * LOCATIONS IMPACTED INCLUDE... CORNLAND... ELKHART... OTHER LOCATIONS IN THE WARNING INCLUDE...RIVERTON. THIS INCLUDES INTERSTATE 55 BETWEEN MILE MARKERS 103 AND 122. WHEN A TORNADO WARNING IS ISSUED...IT MEANS THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM...AND ATMOSPHERIC CONDITIONS SUPPORT THAT ROTATION REACHING THE GROUND. A TORNADO MAY ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO THE LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM WINDOWS. IF DRIVING...DO NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS. REPORT ANY SEVERE WEATHER OR DAMAGE TO YOUR LOCAL EMERGENCY MANAGER...OR THE NEAREST LAW ENFORCEMENT AGENCY...FOR RELAY TO THE NATIONAL WEATHER SERVICE. LAT...LON 3995 8972 3984 8954 4005 8927 4016 8952 $$ BARKER
2 follow-up statements
000
WWUS53 KILX 062349
SVSILX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
648 PM CDT THU SEP 6 2007
ILC129-167-062358-
/O.CAN.KILX.TO.W.0017.000000T0000Z-070907T0000Z/
MENARD-SANGAMON-
648 PM CDT THU SEP 6 2007
...THE TORNADO WARNING FOR EASTERN MENARD AND MORTHERN SANGAMON
COUNTIES IS CANCELLED...
AT 645 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED THAT
THE THUNDERSTORM THAT HAD PROMPTED THE WARNING HAD MOVED OUT OF THE
AREA...THUS THE WARNING HAS BEEN CANCELLED.
LAT...LON 4006 8961 3998 8957 3998 8943 4005 8927
4016 8952
$$
ILC107-070000-
/O.CON.KILX.TO.W.0017.000000T0000Z-070907T0000Z/
LOGAN-
648 PM CDT THU SEP 6 2007
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 PM CDT FOR SOUTHERN
LOGAN COUNTY...
AT 645 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
DETECT A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS
TORNADO THREAT WAS LOCATED 3 MILES SOUTHWEST OF ELKHART...OR ABOUT 14
MILES SOUTHWEST OF LINCOLN...MOVING NORTHEAST AT 20 MPH.
PEOPLE NEAR THESE LOCATIONS ARE STILL THREATENED...
ELKHART...
BROADWELL...
THIS INCLUDES INTERSTATE 55 BETWEEN MILE MARKERS 112 AND 122.
A TORNADO IS ON THE GROUND AND IS LIKELY CAUSING DAMAGE. EVEN IF THIS
TORNADO DISSIPATES...THIS STORM MAY PRODUCE ADDITIONAL TORNADOES AT
ANY TIME. IF YOU ARE IN THE PATH OF THIS TORNADIC STORM...TAKE COVER
IMMEDIATELY
LAT...LON 4006 8961 3998 8957 3998 8943 4005 8927
4016 8952
$$000
WWUS53 KILX 070001
SVSILX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
701 PM CDT THU SEP 6 2007
ILC107-070011-
/O.EXP.KILX.TO.W.0017.000000T0000Z-070907T0000Z/
LOGAN-
701 PM CDT THU SEP 6 2007
...THE TORNADO WARNING FOR SOUTHERN LOGAN COUNTY EXPIRES AT 700 PM
CDT...
AT 656 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED THAT
THE THUNDERSTORM THAT HAD PROMPTED THE WARNING HAD WEAKENED...THUS
THE WARNING HAS BEEN ALLOWED TO EXPIRE.
LAT...LON 4006 8961 3998 8957 3998 8943 4005 8927
4016 8952
$$
BARKERNearby
Tornado Warnings in Illinois, 2007Every tornado warning in 2007Tornadoes in 2007
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.