Alert archive / Illinois / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 252, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Jun 23, 2000, 7:30 PM CDT for Jersey County, Illinois. It was in force for 45 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 23, 2000, 7:30 PM CDT (00:30 UTC)
- Expired
- Jun 23, 2000, 8:15 PM CDT
- In force
- 45 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Jersey County, IL
The radar
The St Louis radar (KLSX), 42 km from the middle of the area, began a volume at 00:33 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 23, 3:45 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
The nearest sounding before it
Davenport, (KDVN), launched 00:00Z, 0.5 hours before the alert went out and 290 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 240031 SVRSTL ILC083-240115- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 730 PM CDT FRI JUN 23 2000 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... JERSEY COUNTY IN WEST CENTRAL ILLINOIS * UNTIL 815 PM CDT * AT 730 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM OVER GRAFTON...MOVING NORTHEAST AT 25 MPH. * LOCATIONS IN THE PATH... GRAFTON ELSAH JERSEYVILLE 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. THE PRIMARY THREAT POSED BY THIS STORM IS DAMAGING WINDS. MOVE QUICKLY TO THE INTERIOR PORTION OF A STURDY SHfELTER...AND STAY AWAY FROM OUTSIDE WALLS AND WINDOWS. LAT...LON 3892 9054 3889 9028 3917 9016 3917 9052 RP/MB
The 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, 7:43 PM CDT | Severe Thunderstorm Warning | LSX | Macoupin | 47 min |
| Jun 23, 8:00 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun | 45 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.