Alert archive / Illinois / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 212, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Jun 14, 1998, 7:31 AM CDT for Macoupin County, Illinois. It was in force for 34 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
- Jun 14, 1998, 7:31 AM CDT (12:31 UTC)
- Expired
- Jun 14, 1998, 8:05 AM CDT
- In force
- 34 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
County Macoupin County, IL
The radar
The St Louis radar (KLSX), 91 km from the middle of the area, began a volume at 12:33 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 14, 6:45 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 0.5 hours before the alert went out and 150 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
- 1254 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 39 m²/s²
- 0-3 km storm-relative helicity
- 30 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSTL 141231 RRA SVRSTL ILC117-141305- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 731 AM CDT SUN JUN 14 1998 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... MACOUPIN COUNTY IN SOUTHWESTERN ILLINOIS * UNTIL 805 AM CDT * AT 730 AM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 10 MILES EAST OF GREENFIELD TO BRIGHTON... MOVING EAST AT 35 MPH. * LOCATIONS THAT WILL BE AFFECTED... CARLINVILLE...GILLESPIE...STAUTON SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND GUSTS IN EXCESS OF 60 MPH...DAMAGING HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OR YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. WDB
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Jun 14, 6:08 AM CDT, 1 hour 23 minutes before
ILZ058>060-064-065-069-070-074-079-095>102-MOZ009-010-018-019-026- 027-034>036-041-042-047>052-059>065-072>075-084-085-099-141015- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE ST LOUIS MO 915 PM CDT SAT JUN 13 1998 THIS OUTLOOK COVERS THE COUNTY WARNING AREA OF THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN ST LOUIS. AREAS INCLUDED ARE PORTIONS OF NORTHEAST...CENTRAL...EAST CENTRAL AND SOUTHEAST MISSOURI AS WELL AS WEST CENTRAL AND SOUTHWEST ILLINOIS. SEVERE THUNDERSTORMS ARE POSSIBLE OVER THE ENTIRE WARNING AREA THIS AFTERNOON AND EVENING. THERE IS A SLIGHT RISK OVER THE NORTHERN PART OF THE AREA...GENERALLY NORTH AND WEST OF A LINE FROM GIRARD IN IN MACOUPIN COUNTY ILLINOIS TO JERSEYVILLE SOUTHWEST TO STEELVILLE IN CRAWFORD COUNTY. A MODERATE RISK FOR SEVERE THUNDERSTORMS WILL EXIST SOUTH AND EAST OF THAT LINE. EMERGENCY MANAGERS AND STORM SPOTTERS GROUPS SHOULD STAY INFORMED ON WEATHER DEVELOPMENTS AND BE READY FOR POSSIBLE SKYWARN ACTIVATION. THIS ADVISORY WILL BE UPDATED AROUND 1100 AM TODAY... WDB
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 14, 6:54 AM CDT | Severe Thunderstorm Warning | LSX | Calhoun | 31 min |
| Jun 14, 7:03 AM CDT | Tornado Warning | LSX | Jersey | 32 min |
| Jun 14, 7:13 AM CDT | Severe Thunderstorm Warning | LSX | Madison | 47 min |
| Jun 14, 7:54 AM CDT | Severe Thunderstorm Warning | LSX | Bond, Clinton | 66 min |
| Jun 14, 7:54 AM CDT | Severe Thunderstorm Warning | LSX | Montgomery | 66 min |
| Jun 14, 8:20 AM CDT | Severe Thunderstorm Warning | LSX | Fayette | 45 min |
| Jun 14, 8:32 AM CDT | Severe Thunderstorm Warning | LSX | Marion, Washington | 48 min |
| Jun 14, 3:35 PM CDT | Tornado Warning | LSX | Calhoun, Pike | 65 min |
| Jun 14, 3:43 PM CDT | Severe Thunderstorm Warning | LSX | Adams | 52 min |
| Jun 14, 4:04 PM CDT | Severe Thunderstorm Warning | LSX | Randolph | 61 min |
| Jun 14, 4:08 PM CDT | Tornado Warning | LSX | Adams | 32 min |
| Jun 14, 4:19 PM CDT | Tornado Warning | LSX | Randolph | 61 min |
| Jun 14, 4:24 PM CDT | Tornado Warning | LSX | Greene | 61 min |
| Jun 14, 4:38 PM CDT | Tornado Warning | LSX | Adams, Brown | 62 min |
| Jun 14, 5:14 PM CDT | Tornado Warning | LSX | Jersey, Macoupin, Madison | 61 min |
| Jun 14, 5:34 PM CDT | Tornado Warning | LSX | Greene | 61 min |
| Jun 14, 6:15 PM CDT | Tornado Warning | LSX | Bond, Macoupin, Madison, Montgomery | 50 min |
Nearby
Severe Thunderstorm Warnings in Illinois, 1998Every severe thunderstorm warning in 1998
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.