Alert archive / Illinois / Severe Thunderstorm Warnings in 2007
Severe Thunderstorm Warning 21, NWS Lincoln, IL
NWS Lincoln, IL issued this severe thunderstorm warning at Mar 22, 2007, 5:02 AM CDT for 4 counties in Illinois. It was in force for 19 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
- Mar 22, 2007, 5:02 AM CDT (10:02 UTC)
- Expired
- Mar 22, 2007, 5:21 AM CDT
- In force
- 19 min
- Issued by
- NWS Lincoln, IL
- Area
- Counties, with a storm outline in the text
Counties Champaign County, IL, DeWitt County, IL, McLean County, IL, Piatt County, IL
The radar
The Lincoln radar (KILX), 68 km from the middle of the area, began a volume at 10:02 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Mar 22, 2:59 AM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 00:00Z, 10.0 hours before the alert went out and 23 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
- 457 J/kg
- Mixed-layer CIN
- -39 J/kg
- Mixed-layer LCL
- 1633 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 105 m²/s²
- 0-3 km storm-relative helicity
- 251 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.8
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS53 KILX 221002 SVRILX ILC019-039-113-147-221030- /O.NEW.KILX.SV.W.0021.070322T1002Z-070322T1030Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE LINCOLN IL 502 AM CDT THU MAR 22 2007 THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHEASTERN DE WITT COUNTY IN CENTRAL ILLINOIS... NORTHEASTERN PIATT COUNTY IN CENTRAL ILLINOIS... NORTHWESTERN CHAMPAIGN COUNTY IN EAST CENTRAL ILLINOIS... SOUTHEASTERN MCLEAN COUNTY IN CENTRAL ILLINOIS... * UNTIL 530 AM CDT. * AT 502 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 3 MILES NORTHWEST OF FARMER CITY...OR ABOUT 18 MILES NORTH OF MONTICELLO... AND WAS MOVING EAST AT 50 MPH. * LOCATIONS IMPACTED INCLUDE... SAYBROOK... A TORNADO WATCH IS IN EFFECT FOR THE WARNED AREA. REMEMBER...SEVERE THUNDERSTORMS MAY PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. 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 4043 8869 4021 8872 4026 8830 4043 8849 $$ SMITH
1 follow-up statement
000 WWUS53 KILX 221021 SVSILX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE LINCOLN IL 520 AM CDT THU MAR 22 2007 ILC019-039-113-147-221030- /O.CAN.KILX.SV.W.0021.000000T0000Z-070322T1030Z/ CHAMPAIGN-DE WITT-MCLEAN-PIATT- 520 AM CDT THU MAR 22 2007 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN MCLEAN... NORTHWESTERN CHAMPAIGN...NORTHEASTERN PIATT AND NORTHEASTERN DE WITT COUNTIES IS CANCELLED... AT 519 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE THUNDERSTORM THAT HAD PROMPTED THE WARNING HAD MOVED OUT OF THE AREA...THUS THE WARNING HAS BEEN CANCELLED. ADDITIONAL THUNDERSTORMS WERE TRACKING EAST ACROSS CHAMPAIGN AND VERMILION COUNTIES...BE ALERT FOR THE POSSIBILITY OF SMALL HAIL AND GUST WINDS WITH THESE STORMS. LAT...LON 4043 8869 4021 8872 4026 8830 4043 8849 $$ SMITH
The office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 22, 3:34 AM CDT | Severe Thunderstorm Warning | ILX | Schuyler | 21 min |
| Mar 22, 4:27 AM CDT | Severe Thunderstorm Warning | ILX | Tazewell | 15 min |
| Mar 22, 4:35 AM CDT | Severe Thunderstorm Warning | ILX | McLean | 35 min |
| Mar 22, 4:59 AM CDT | Severe Thunderstorm Warning | ILX | Macon | 31 min |
| Mar 22, 5:26 AM CDT | Severe Thunderstorm Warning | ILX | Christian, Coles, Douglas, Macon, Moultrie, Shelby | 64 min |
Nearby
Severe Thunderstorm Warnings in Illinois, 2007Every severe thunderstorm warning 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.