Alert archive / Illinois / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 417, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Aug 22, 2000, 11:02 PM CDT for Fayette County, Montgomery County, Illinois. It was in force for 43 min. 2 reports 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 22, 2000, 11:02 PM CDT (04:02 UTC)
- Expired
- Aug 22, 2000, 11:45 PM CDT
- In force
- 43 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Fayette County, IL, Montgomery County, IL
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 22, 11:05 PM CDT | Thunderstorm Wind 55 E | Coffeen, IL | Local law enforcement reported large tree limbs and a power pole down from wind gusts. |
| Aug 22, 11:30 PM CDT | Thunderstorm Wind 55 E | Coffeen, IL | Storm spotters reported damage at a power plant south of Coffeen. A couple of trees were blown down and the tin roof of a parking garage was blown off . |
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 |
|---|---|---|---|
| Aug 22, 7:00 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 00:00Z, 4.0 hours before the alert went out and 127 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
- 3363 J/kg
- Mixed-layer CIN
- -9 J/kg
- Mixed-layer LCL
- 915 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 50 m²/s²
- 0-3 km storm-relative helicity
- 143 m²/s²
- Significant tornado parameter
- 1.0
- Supercell composite
- 5.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS53 KLSX 230403 SVRSTL ILC051-135-230445- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 1102 PM CDT TUE AUG 22 2000 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHERN MONTGOMERY COUNTY IN CENTRAL ILLINOIS NORTHERN FAYETTE COUNTY IN SOUTH CENTRAL ILLINOIS * UNTIL 1145 PM CDT * AT 1102 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A CLUSTER OF SEVERE THUNDERSTORMS EXTENDING FROM JUST SOUTHEAST OF NOKOMIS...TO JUST WEST OF LITCHFIELD...MOVING EAST AT 35 MPH. * LOCATIONS IN THE PATH... HILLSBORO TAYLOR SPRINGS COFFEEN WITT VAN BURENSBURG RAMSEY LITCHFIELD 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 3926 8972 3904 8970 3900 8881 3927 8879 TRUETT
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 22, 7:28 PM CDT | Severe Thunderstorm Warning | LSX | Adams | 62 min |
| Aug 22, 8:22 PM CDT | Severe Thunderstorm Warning | LSX | Brown, Pike | 53 min |
| Aug 22, 9:05 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun, Greene | 55 min |
| Aug 22, 9:38 PM CDT | Severe Thunderstorm Warning | LSX | Macoupin | 52 min |
| Aug 22, 10:20 PM CDT | Severe Thunderstorm Warning | LSX | Montgomery | 40 min |
| Aug 22, 10:55 PM CDT | Severe Thunderstorm Warning | LSX | Macoupin | 35 min |
| Aug 22, 11:33 PM CDT | Severe Thunderstorm Warning | LSX | Bond, Fayette | 42 min |
| Aug 23, 12:13 AM CDT | Severe Thunderstorm Warning | LSX | Marion | 62 min |
| Aug 23, 6:12 PM CDT | Severe Thunderstorm Warning | LSX | Adams, Brown | 48 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.