Alert archive / Illinois / Tornado Warnings in 2009
Tornado Warning 7, NWS St. Louis, MO
NWS St. Louis, MO issued this tornado warning at Mar 8, 2009, 11:17 AM CDT for Greene County, Macoupin County, Illinois. It was in force for 13 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
- Mar 8, 2009, 11:17 AM CDT (16:17 UTC)
- Expired
- Mar 8, 2009, 11:30 AM CDT
- In force
- 13 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
Counties Greene County, IL, Macoupin County, IL
The radar
The St Louis radar (KLSX), 99 km from the middle of the area, began a volume at 16:17 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 |
|---|---|---|---|
| Mar 8, 11:20 AM CDT | TSTM WND DMG | 3 Nnw Athensville, IL | A CHURCH DESTROYED AND A FARM HOUSE DAMAGED |
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 |
|---|---|---|---|
| Mar 8, 6:32 AM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 4.3 hours before the alert went out and 151 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 441 m above ground
- 0-6 km bulk shear
- 78 kt
- 0-1 km storm-relative helicity
- 389 m²/s²
- 0-3 km storm-relative helicity
- 401 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.7
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS53 KLSX 081617 TORLSX ILC061-117-081630- /O.NEW.KLSX.TO.W.0007.090308T1617Z-090308T1630Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 1117 AM CDT SUN MAR 8 2009 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A * TORNADO WARNING FOR... NORTHEASTERN GREENE COUNTY IN SOUTHWEST ILLINOIS NORTHWESTERN MACOUPIN COUNTY IN SOUTHWEST ILLINOIS * UNTIL 1130 AM CDT * AT 1112 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM WITH STRONG ROTATION NEAR ATHENSVILLE...OR ABOUT 11 MILES EAST OF WHITE HALL...MOVING EAST AT 65 MPH. * LOCATIONS IMPACTED INCLUDE... ATHENSVILLE THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS. LAT...LON 3941 9019 3953 9029 3953 9012 3953 8988 TIME...MOT...LOC 1618Z 248DEG 56KT 3952 9009 $$ CARNEY
1 follow-up statement
000 WWUS53 KLSX 081630 SVSLSX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 1130 AM CDT SUN MAR 8 2009 ILC061-117-081641- /O.EXP.KLSX.TO.W.0007.000000T0000Z-090308T1630Z/ GREENE IL-MACOUPIN IL- 1131 AM CDT SUN MAR 8 2009 ...THE TORNADO WARNING FOR NORTHWESTERN MACOUPIN AND NORTHEASTERN GREENE COUNTIES EXPIRES AT 1130 AM CDT... THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED AREA. ADDITIONAL STRONG THUNDERSTORMS ARE POSSIBLE...AND A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 PM. LAT...LON 3941 9019 3953 9029 3953 9012 3953 8988 TIME...MOT...LOC 1617Z 248DEG 56KT 3951 9010 $$ CARNEY
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 7, 9:54 PM CST | Flash Flood Watch | LSX | Adams | 8 hr |
| Mar 8, 10:51 AM CDT | Tornado Warning | LSX | Calhoun, Jersey | 24 min |
| Mar 8, 11:06 AM CDT | Tornado Warning | LSX | Monroe, Randolph, Saint Clair | 39 min |
| Mar 8, 11:16 AM CDT | Severe Thunderstorm Warning | LSX | Greene, Jersey, Macoupin, Montgomery | 44 min |
| Mar 8, 11:32 AM CDT | Tornado Warning | LSX | Randolph, Saint Clair, Washington | 43 min |
| Mar 8, 12:16 PM CDT | Wind Advisory | LSX | Adams, Bond, Brown, Calhoun, Clinton, Fayette and 11 more | 7 hr |
| Mar 8, 12:33 PM CDT | Tornado Warning | LSX | Marion | 10 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.