Alert archive / Illinois / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 239, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Jun 20, 2000, 9:54 PM CDT for Bond County, Montgomery County, Illinois. It was in force for 51 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.
The facts
- Issued
- Jun 20, 2000, 9:54 PM CDT (02:54 UTC)
- Expired
- Jun 20, 2000, 10:45 PM CDT
- In force
- 51 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Bond County, IL, Montgomery County, IL
The radar
The St Louis radar (KLSX), 109 km from the middle of the area, began a volume at 02:57 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 |
|---|---|---|---|
| Jun 20, 6:45 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 00:00Z, 2.9 hours before the alert went out and 139 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
- 831 J/kg
- Mixed-layer CIN
- -30 J/kg
- Mixed-layer LCL
- 828 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 216 m²/s²
- 0-3 km storm-relative helicity
- 287 m²/s²
- Significant tornado parameter
- 1.0
- Supercell composite
- 15.3
The text
As transmitted, in the capitals the NWS used until 2016.
000
WUUS53 KLSX 210255
SVRSTL
ILC005-135-210345-
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
954 PM CDT TUE JUN 20 2000
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHERN MONTGOMERY COUNTY IN CENTRAL ILLINOIS
NORTHERN BOND COUNTY IN SOUTH CENTRAL ILLINOIS
* UNTIL 1045 PM CDT
* AT 954 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM 9 MILES SOUTHWEST OF LITCHFIELD...MOVING EAST
AT 35 MPH.
* LOCATIONS IN THE PATH...
GOVERNOR BOND LAKE
RENO
PANAMA
WASHVILLE
SORENTO
LITCHFIELD
TAYLOR SPRINGS
HILLSBORO
COFFEEN
THE PRIMARY THREAT POSED BY THIS STORM IS DAMAGING WINDS. MOVE
QUICKLY TO THE INTERIOR PORTION OF A STURDY SHELTER...AND STAY AWAY
FROM OUTSIDE WALLS AND WINDOWS.
LAT...LON 3929 8973 3905 8971 3895 8963 3894 8927
3929 8927The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 20, 7:19 PM CDT | Severe Thunderstorm Warning | LSX | Adams | 41 min |
| Jun 20, 8:58 PM CDT | Severe Thunderstorm Warning | LSX | Jersey | 47 min |
| Jun 20, 9:14 PM CDT | Severe Thunderstorm Warning | LSX | Madison | 61 min |
| Jun 20, 9:35 PM CDT | Severe Thunderstorm Warning | LSX | Macoupin | 25 min |
| Jun 20, 10:28 PM CDT | Severe Thunderstorm Warning | LSX | Monroe, Saint Clair | 47 min |
| Jun 20, 10:43 PM CDT | Severe Thunderstorm Warning | LSX | Fayette | 47 min |
Nearby
Severe Thunderstorm Warnings in Illinois, 2000Every severe thunderstorm warning in 2000
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.