Alert archive / Illinois / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 422, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Aug 23, 2000, 9:43 PM CDT for Bond County, Fayette County, Illinois. It was in force for 62 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
- Aug 23, 2000, 9:43 PM CDT (02:43 UTC)
- Expired
- Aug 23, 2000, 10:45 PM CDT
- In force
- 62 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Bond County, IL, Fayette County, IL
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 23, 9:47 PM CDT | Hail 1.75 | Fillmore, IL |
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 nearest sounding before it
Lincoln, IL (KILX), launched 00:00Z, 2.7 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
- 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.
000 WUUS53 KLSX 240246 SVRSTL ILC005-051-240345- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 943 PM CDT WED AUG 23 2000 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... EASTERN BOND COUNTY IN SOUTH CENTRAL ILLINOIS FAYETTE COUNTY IN SOUTH CENTRAL ILLINOIS * UNTIL 1045 PM CDT * AT 943 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 10 MILES NORTH OF WOBURN...MOVING SOUTHEAST AT 20 MPH. * LOCATIONS IN THE PATH... WOBURN MULBERRY GROVE VANDALIA SHOBONIER SMITHBORO PITTSBURG SHOBONIER 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 3917 8921 3902 8942 3874 8931 3884 8885
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, 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, 11:16 PM CDT | Severe Thunderstorm Warning | LSX | Bond, Montgomery | 59 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.