Alert archive / Illinois / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 75, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Apr 16, 2000, 6:46 PM CDT for Greene County, Macoupin 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 counties it named.
The facts
- Issued
- Apr 16, 2000, 6:46 PM CDT (23:46 UTC)
- Expired
- Apr 16, 2000, 7:45 PM CDT
- In force
- 59 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
Counties Greene County, IL, Macoupin County, IL
The radar
The St Louis radar (KLSX), 82 km from the middle of the area, began a volume at 23:47 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 nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 11.8 hours before the alert went out and 163 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1031 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 44 m²/s²
- 0-3 km storm-relative helicity
- 90 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
117 WUUS53 KLSX 162346 SVRSTL ILC061-117-170045- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 646 PM CDT SUN APR 16 2000 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHEASTERN GREENE COUNTY IN SOUTHWESTERN ILLINOIS MACOUPIN COUNTY IN SOUTHWESTERN ILLINOIS * UNTIL 745 PM CDT * AT 642 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM JUST SOUTH OF GREENFIELD... MOVING NORTHEAST AT 25 MPH. * LOCATIONS THAT WILL BE AFFECTED... PALMYRA FAYETTE GIRARD OTHER STRONG STORMS OVER JERSEY COUNTY MAY BE AFFECTING SOUTHERN PORTIONS OF MACOUPIN COUNTY BETWEEN NOW AND 745 PM. THE PRIMARY SEVERE WEATHER THREAT IS DAMAGING HAIL. LARGE HAIL CAN CAUSE EXTENSIVE PROPERTY DAMAGE AN SERIOUS INJURY TO PEOPLE CAUGHT OUTDOORS. MOVE INSIDE A STURDY BUILDING IMMEDIATELY. GKS/ST
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 16, 3:29 PM CDT | Severe Thunderstorm Warning | LSX | Brown | 51 min |
| Apr 16, 3:46 PM CDT | Severe Thunderstorm Warning | LSX | Pike | 49 min |
| Apr 16, 4:13 PM CDT | Severe Thunderstorm Warning | LSX | Madison | 47 min |
| Apr 16, 4:20 PM CDT | Severe Thunderstorm Warning | LSX | Monroe | 50 min |
| Apr 16, 4:34 PM CDT | Severe Thunderstorm Warning | LSX | Pike | 36 min |
| Apr 16, 5:16 PM CDT | Severe Thunderstorm Warning | LSX | Greene | 49 min |
| Apr 16, 6:01 PM CDT | Severe Thunderstorm Warning | LSX | Greene | 44 min |
| Apr 16, 6:08 PM CDT | Severe Thunderstorm Warning | LSX | Monroe, Saint Clair | 52 min |
| Apr 16, 6:32 PM CDT | Severe Thunderstorm Warning | LSX | Jersey, Madison | 43 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.