Alert archive / Illinois / Tornado Warnings in 2007
Tornado Warning 9, NWS St. Louis, MO
NWS St. Louis, MO issued this tornado warning at May 4, 2007, 5:34 PM CDT for Macoupin County, Illinois. It was in force for 26 min. 2 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
- May 4, 2007, 5:34 PM CDT (22:34 UTC)
- Expired
- May 4, 2007, 6:00 PM CDT
- In force
- 26 min
- Issued by
- NWS St. Louis, MO
- Area
- Counties, with a storm outline in the text
County Macoupin County, IL
The radar
The St Louis radar (KLSX), 73 km from the middle of the area, began a volume at 22:35 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 |
|---|---|---|---|
| May 4, 5:40 PM CDT | TORNADO | 5 W Gillespie, IL | TORNADO TOUCHDOWN FOR ABOUT 5 MINUTES IN AN OPEN FIELD REPORTED BY 2 AMATEUR RADIO OPERATORS. |
| May 4, 6:05 PM CDT | TORNADO | 2 Ne Shipman, IL | TRAINED SPOTTER REPORTED BRIEF TORNADO TOUCHDOWN 2 MILES NORTHEAST OF SHIPMAN IL. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 10.6 hours before the alert went out and 169 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
- 965 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 103 m²/s²
- 0-3 km storm-relative helicity
- 108 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 KLSX 042234 TORLSX ILC117-042300- /O.NEW.KLSX.TO.W.0009.070504T2234Z-070504T2300Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 534 PM CDT FRI MAY 4 2007 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A * TORNADO WARNING FOR... SOUTHWESTERN MACOUPIN COUNTY IN SOUTHWEST ILLINOIS * UNTIL 600 PM CDT * AT 530 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A TORNADO 4 MILES EAST OF SHIPMAN...OR ABOUT 9 MILES WEST OF GILLESPIE...MOVING NORTHWEST AT 5 MPH. * LOCATIONS IMPACTED INCLUDE... PLAINVIEW BEAVER DAM STATE PARK RURAL CENTRAL MACOUPIN COUNTY 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. IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. LAT...LON 3900 9009 3900 8975 3927 8998 3917 9014 $$
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 4, 5:48 PM CDT | Tornado Warning | LSX | Madison | 27 min |
| May 4, 6:00 PM CDT | Tornado Warning | LSX | Macoupin | 30 min |
Nearby
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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.