Alert archive / Illinois / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 255, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Jun 23, 2000, 8:00 PM CDT for Calhoun County, Illinois. It was in force for 45 min. 1 report came from 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, with what was reported inside it.
The facts
- Issued
- Jun 23, 2000, 8:00 PM CDT (01:00 UTC)
- Expired
- Jun 23, 2000, 8:45 PM CDT
- In force
- 45 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Calhoun County, IL
The radar
The St Louis radar (KLSX), 46 km from the middle of the area, began a volume at 01:04 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 23, 8:32 PM CDT | Thunderstorm Wind 56 E | Batchtown, IL | The County Sheriff reported trees down. |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
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 23, 3:45 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Jun 23, 8:00 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
The nearest sounding before it
Davenport, (KDVN), launched 00:00Z, 1.0 hours before the alert went out and 279 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
- 6 J/kg
- Mixed-layer CIN
- -205 J/kg
- Mixed-layer LCL
- 667 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 70 m²/s²
- 0-3 km storm-relative helicity
- 195 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WUUS53 KLSX 240104
SVRSTL
ILC013-240145-
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
800 PM CDT FRI JUN 23 2000
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
CALHOUN COUNTY IN WEST CENTRAL ILLINOIS
* UNTIL 845 PM CDT
* AT 800 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM 17 MILES SOUTH OF HARDIN...MOVING NORTHEAST
AT 10 MPH. SEVERE THUNDERSTORMS ALSO WERE LOCATED OVER NORTHERN
CALHOUN COUNTY.
* LOCATIONS IN THE PATH...
BELLEVIEW...HAMBURG...AND BRUSSELS.
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MPH...
DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR
PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME
OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO
AREAS WHERE WATER COVERS THE ROAD.
LAT...LON 3887 9063 3895 9050 3911 9062 3940 9062
3940 9095 3919 9071 3900 9069The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 23, 7:12 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun | 48 min |
| Jun 23, 7:30 PM CDT | Severe Thunderstorm Warning | LSX | Jersey | 45 min |
| Jun 23, 7:43 PM CDT | Severe Thunderstorm Warning | LSX | Macoupin | 47 min |
| Jun 23, 8:07 PM CDT | Severe Thunderstorm Warning | LSX | Adams | 38 min |
| Jun 23, 8:11 PM CDT | Severe Thunderstorm Warning | LSX | Madison | 49 min |
| Jun 23, 8:17 PM CDT | Severe Thunderstorm Warning | LSX | Greene, Jersey | 43 min |
| Jun 23, 8:45 PM CDT | Severe Thunderstorm Warning | LSX | Adams | 45 min |
| Jun 23, 8:49 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun | 41 min |
| Jun 23, 8:59 PM CDT | Severe Thunderstorm Warning | LSX | Madison | 46 min |
| Jun 23, 9:38 PM CDT | Severe Thunderstorm Warning | LSX | Marion | 52 min |
| Jun 23, 9:49 PM CDT | Severe Thunderstorm Warning | LSX | Madison | 41 min |
| Jun 23, 11:01 PM CDT | Severe Thunderstorm Warning | LSX | Marion | 44 min |
| Jun 24, 1:59 AM CDT | Flash Flood Warning | LSX | Calhoun, Clinton, Jersey, Madison, Marion, Saint Clair and 1 more | 4 hr |
| Jun 24, 5:20 AM CDT | Flash Flood Warning | LSX | Calhoun, Clinton, Jersey, Madison, Marion, Saint Clair and 1 more | 4 hr |
| Jun 24, 9:00 AM CDT | Flash Flood Warning | LSX | Clinton, Marion, Saint Clair, Washington | 4 hr |
| Jun 24, 2:08 PM CDT | Severe Thunderstorm Warning | LSX | Monroe, Saint Clair | 52 min |
| Jun 24, 2:51 PM CDT | Severe Thunderstorm Warning | LSX | Saint Clair | 39 min |
| Jun 24, 3:13 PM CDT | Severe Thunderstorm Warning | LSX | Jersey, Macoupin | 47 min |
| Jun 24, 3:23 PM CDT | Severe Thunderstorm Warning | LSX | Clinton | 52 min |
| Jun 24, 3:36 PM CDT | Severe Thunderstorm Warning | LSX | Bond | 39 min |
| Jun 24, 3:43 PM CDT | Severe Thunderstorm Warning | LSX | Montgomery | 47 min |
| Jun 24, 3:52 PM CDT | Tornado Warning | LSX | Clinton | 23 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.