Alert archive / Illinois / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 435, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Aug 23, 2000, 11:16 PM CDT for Bond County, Montgomery County, Illinois. It was in force for 59 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
- Aug 23, 2000, 11:16 PM CDT (04:16 UTC)
- Expired
- Aug 24, 2000, 12:15 AM CDT
- In force
- 59 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Aug 23, 11:15 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 00:00Z, 4.3 hours before the alert went out and 148 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
- 1082 J/kg
- Mixed-layer CIN
- -34 J/kg
- Mixed-layer LCL
- 1541 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 13 m²/s²
- 0-3 km storm-relative helicity
- 27 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.7
The text
As transmitted, in the capitals the NWS used until 2016.
776 WUUS53 KLSX 240416 SVRSTL ILC005-135-240515- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 1116 PM CDT WED AUG 23 2000 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHERN MONTGOMERY COUNTY IN CENTRAL ILLINOIS BOND COUNTY IN SOUTH CENTRAL ILLINOIS * UNTIL 1215 AM CDT * AT 1116 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 8 MILES WEST OF TAYLOR SPRINGS...MOVING SOUTHEAST AT 35 MPH. * LOCATIONS IN THE PATH... SORENTO RENO POCAHONTAS GREENVILLE 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. SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. PREPARE TO MOVE TO A PLACE OF SAFETY IN A STURDY STRUCTURE SUCH AS A BASEMENT OR SMALL INTERIOR ROOM IF A TORNADO IS SPOTTED. LAT...LON 3923 8958 3911 8971 3874 8958 3889 8927
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 23, 8:25 PM CDT | Severe Thunderstorm Warning | LSX | Macoupin, Montgomery | 50 min |
| Aug 23, 8:44 PM CDT | Tornado Warning | LSX | Montgomery | 46 min |
| Aug 23, 9:29 PM CDT | Tornado Warning | LSX | Montgomery | 31 min |
| Aug 23, 9:43 PM CDT | Severe Thunderstorm Warning | LSX | Bond, Fayette | 62 min |
| Aug 23, 10:19 PM CDT | Severe Thunderstorm Warning | LSX | Macoupin, Montgomery | 56 min |
| Aug 23, 10:58 PM CDT | Severe Thunderstorm Warning | LSX | Madison | 47 min |
| Aug 23, 11:21 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun | 54 min |
| Aug 23, 11:28 PM CDT | Severe Thunderstorm Warning | LSX | Macoupin | 62 min |
| Aug 23, 11:51 PM CDT | Severe Thunderstorm Warning | LSX | Jersey | 39 min |
| Aug 24, 12:09 AM CDT | Severe Thunderstorm Warning | LSX | Fayette, Marion | 66 min |
| Aug 24, 12:11 AM CDT | Severe Thunderstorm Warning | LSX | Monroe, Saint Clair | 49 min |
| Aug 24, 12:27 AM CDT | Flash Flood Warning | LSX | Bond, Fayette, Macoupin, Marion, Montgomery | 6 hr |
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.