Alert archive / Illinois / Tornado Warnings in 2009
Tornado Warning 18, NWS Lincoln, IL
NWS Lincoln, IL issued this tornado warning at Jun 18, 2009, 5:30 AM CDT for 4 counties in Illinois. It was in force for 45 min. 6 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
- Jun 18, 2009, 5:30 AM CDT (10:30 UTC)
- Expired
- Jun 18, 2009, 6:15 AM CDT
- In force
- 45 min
- Issued by
- NWS Lincoln, IL
- Area
- Storm-based polygon
Counties DeWitt County, IL, Logan County, IL, Macon County, IL, Tazewell County, IL
The radar
The Lincoln radar (KILX), 17 km from the middle of the area, began a volume at 10:34 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 18, 5:33 AM CDT | TSTM WND DMG | Lincoln, IL | 4 LARGE TREE BRANCHES DOWN ACROSS SOUTHWEST AND EAST PARTS OF TOWN. |
| Jun 18, 5:35 AM CDT | TSTM WND GST 72 | 1 W Lincoln, IL | MEASURED ON WEST SIDE OF LINCOLN |
| Jun 18, 5:36 AM CDT | TSTM WND GST 63 | 2 Ne Lincoln, IL | AT NWS OFFICE |
| Jun 18, 5:45 AM CDT | HAIL 1 | Kenney, IL | NICKEL TO QUARTER SIZE HAIL |
| Jun 18, 5:50 AM CDT | TSTM WND DMG | Clinton, IL | TREES DOWN |
| Jun 18, 5:50 AM CDT | HAIL 1 | Clinton, 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 |
|---|---|---|---|
| Jun 18, 4:12 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 00:00Z, 10.5 hours before the alert went out and 46 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
- 116 J/kg
- Mixed-layer CIN
- -236 J/kg
- Mixed-layer LCL
- 1829 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- -7 m²/s²
- 0-3 km storm-relative helicity
- 47 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 181030 TORILX ILC039-107-115-179-181115- /O.NEW.KILX.TO.W.0018.090618T1030Z-090618T1115Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE LINCOLN IL 530 AM CDT THU JUN 18 2009 THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A * TORNADO WARNING FOR... SOUTHWESTERN DE WITT COUNTY IN CENTRAL ILLINOIS... NORTHERN LOGAN COUNTY IN CENTRAL ILLINOIS... NORTHWESTERN MACON COUNTY IN CENTRAL ILLINOIS... EXTREME SOUTHERN TAZEWELL COUNTY IN CENTRAL ILLINOIS... * UNTIL 615 AM CDT. * AT 530 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED NEAR LINCOLN...AND MOVING SOUTHEAST AT 40 MPH. * LOCATIONS IMPACTED INCLUDE... LINCOLN... LAWNDALE... BEASON... MIDLAND CITY... CHESTNUT... KENNEY... HALLSVILLE... ROWELL... OTHER LOCATIONS IN THE WARNING INCLUDE...CLINTON...HARTSBURG...MAROA AND WELDON SPRINGS STATE PARK. PRECAUTIONARY/PREPAREDNESS ACTIONS... WHEN A TORNADO WARNING IS ISSUED...IT MEANS THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. 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. IN ADDITION TO THE TORNADO...THIS STORM IS EXPECTED TO PRODUCE DESTRUCTIVE STRAIGHT LINE WINDS WELL AWAY FROM THE STORM CENTER. && LAT...LON 4012 8886 3993 8899 4017 8955 4033 8945 TIME...MOT...LOC 1030Z 296DEG 33KT 4020 8939 $$ AUTEN
1 follow-up statement
000 WWUS53 KILX 181114 SVSILX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE LINCOLN IL 614 AM CDT THU JUN 18 2009 ILC039-107-115-179-181124- /O.EXP.KILX.TO.W.0018.000000T0000Z-090618T1115Z/ MACON IL-DE WITT IL-LOGAN IL-TAZEWELL IL- 614 AM CDT THU JUN 18 2009 ...THE TORNADO WARNING FOR EXTREME SOUTHERN TAZEWELL...NORTHERN LOGAN...SOUTHWESTERN DE WITT AND NORTHWESTERN MACON COUNTIES EXPIRES AT 615 AM CDT... THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED AREA. LAT...LON 4012 8886 3993 8899 4017 8955 4033 8945 TIME...MOT...LOC 1114Z 296DEG 33KT 4002 8892 $$ AUTEN
The office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 18, 3:53 AM CDT | Special Weather Statement | ILX | Knox, Peoria, Stark | 67 min |
| Jun 18, 4:14 AM CDT | Severe Thunderstorm Warning | ILX | Fulton, Knox, Mason, Peoria, Tazewell, Woodford | 61 min |
| Jun 18, 5:00 AM CDT | Severe Thunderstorm Warning | ILX | Fulton, Logan, Mason, Menard, Tazewell | 45 min |
| Jun 18, 5:12 AM CDT | Severe Thunderstorm Warning | ILX | Cass, Fulton, Mason, Menard, Schuyler | 48 min |
| Jun 18, 5:20 AM CDT | Severe Thunderstorm Warning | ILX | Clark, Crawford | 40 min |
| Jun 18, 5:24 AM CDT | Severe Thunderstorm Warning | ILX | DeWitt, Logan, McLean, Tazewell, Woodford | 56 min |
| Jun 18, 5:39 AM CDT | Severe Thunderstorm Warning | ILX | Cass, Christian, Logan, Macon, Mason, Menard and 2 more | 66 min |
| Jun 18, 6:09 AM CDT | Severe Thunderstorm Warning | ILX | Champaign, Christian, Coles, DeWitt, Douglas, McLean and 5 more | 51 min |
| Jun 18, 6:51 AM CDT | Severe Thunderstorm Warning | ILX | Champaign, Clark, Coles, Cumberland, Douglas, Edgar and 3 more | 39 min |
| Jun 18, 7:19 AM CDT | Severe Thunderstorm Warning | ILX | Clark, Clay, Crawford, Cumberland, Edgar, Effingham and 4 more | 56 min |
| Jun 18, 1:03 PM CDT | Severe Thunderstorm Warning | ILX | Knox, Marshall, Peoria, Stark | 57 min |
| Jun 18, 1:34 PM CDT | Severe Thunderstorm Warning | ILX | Marshall, Peoria, Woodford | 38 min |
Nearby
Tornado Warnings in Illinois, 2009Every tornado warning in 2009Tornadoes in 2009
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.