Alert archive / Illinois / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 17, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Mar 27, 1998, 8:02 PM CST for Randolph County, Illinois. It was in force for 28 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
- Mar 27, 1998, 8:02 PM CST (02:02 UTC)
- Expired
- Mar 27, 1998, 8:30 PM CST
- In force
- 28 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
County Randolph County, IL
The radar
The St Louis radar (KLSX), 104 km from the middle of the area, began a volume at 02:04 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 |
|---|---|---|---|
| Mar 27, 4:30 PM CST | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 00:00Z, 2.0 hours before the alert went out and 256 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
- 1945 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- 223 m²/s²
- 0-3 km storm-relative helicity
- 290 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 280201 RRA SVRSTL ILC157-280230- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 802 PM CST FRI MAR 27 1998 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 830 PM CST FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHWEST ILLINOIS ...SOUTHERN RANDOLPH COUNTY AT 8 PM....WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM ALONG THE MISSISSIPPI RIVER NEAR CHESTER. THE STORM WAS MOVING NORTHEAST AT 40 MPH. STEELVILLE IS ALSO IN THE PATH OF THIS STORM. TRUETT/RP
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, Mar 27, 5:45 PM CST, 2 hours 17 minutes before
MOZ036-052-060-062-072-073-084-099-280200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 545 PM CST FRI MAR 27 1998 ...THE TORNADO WATCH HAS BEEN CANCELLED FOR A PORTION OF EASTERN MISSOURI... THE THREAT OF STRONG DAMAGING WINDS AND SEVERE WEATHER HAS PASSED TO THE EAST OF THE REGION...THEREFORE THE TORNADO WATCH HAS BEEN CANCELLED. SHOWERS WILL CONTINUE THIS EVENING WITH GUSTY SOUTHERLY WINDS. THE TORNADO WATCH HAS BEEN CANCELLED FOR PIKE...LINCOLN...WARREN... FARNKLIN...CRAWFORD...WASHINGTON...IRON...AND REYNOLDS COUNTIES. TPS
Special weather statement, Mar 27, 5:45 PM CST, 2 hours 17 minutes before
MOZ036-052-060-062-072-073-084-099-280200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 545 PM CST FRI MAR 27 1998 ...THE TORNADO WATCH HAS BEEN CANCELLED FOR A PORTION OF EASTERN MISSOURI... THE THREAT OF STRONG DAMAGING WINDS AND SEVERE WEATHER HAS PASSED TO THE EAST OF THE REGION...THEREFORE THE TORNADO WATCH HAS BEEN CANCELLED. SHOWERS WILL CONTINUE THIS EVENING WITH GUSTY SOUTHERLY WINDS. THE TORNADO WATCH HAS BEEN CANCELLED FOR PIKE...LINCOLN...WARREN... FARNKLIN...CRAWFORD...WASHINGTON...IRON...AND REYNOLDS COUNTIES. TPS
Special weather statement, Mar 27, 6:15 PM CST, 1 hour 47 minutes before
ILZ098-MOZ061-063>065-074-075-085-280300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 615 PM CST FRI MAR 27 1998 ...THE TORNADO WATCH HAS BEEN CANCELLED FOR A PORTION OF EASTERN MISSOURI... THE THREAT OF STRONG DAMAGING WINDS AND SEVERE WEATHER HAS PASSED TO THE EAST OF THE REGION...THEREFORE THE TORNADO WATCH HAS BEEN CANCELLED. SHOWERS WILL CONTINUE THIS EVENING WITH GUSTY SOUTHERLY WINDS. THE TORNADO WATCH HAS BEEN CANCELLED FOR ST CHARLES...ST LOUIS... JEFFERSON...ST FRANCOIS...STE GENEVIEVE...AND MADISON COUNTIES IN MISSOURI ALONG WITH ST LOUIS CITY AND CALHOUN COUNTY ILLINOIS. TPS
Special weather statement, Mar 27, 6:15 PM CST, 1 hour 47 minutes before
ILZ098-MOZ061-063>065-074-075-085-280300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 615 PM CST FRI MAR 27 1998 ...THE TORNADO WATCH HAS BEEN CANCELLED FOR A PORTION OF EASTERN MISSOURI... THE THREAT OF STRONG DAMAGING WINDS AND SEVERE WEATHER HAS PASSED TO THE EAST OF THE REGION...THEREFORE THE TORNADO WATCH HAS BEEN CANCELLED. SHOWERS WILL CONTINUE THIS EVENING WITH GUSTY SOUTHERLY WINDS. THE TORNADO WATCH HAS BEEN CANCELLED FOR ST CHARLES...ST LOUIS... JEFFERSON...ST FRANCOIS...STE GENEVIEVE...AND MADISON COUNTIES IN MISSOURI ALONG WITH ST LOUIS CITY AND CALHOUN COUNTY ILLINOIS. TPS
Special weather statement, Mar 27, 7:15 PM CST, 47 minutes before
ILZ058>060-064-065-069-070-074-079-099>102-280300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 715 PM CST FRI MAR 27 1998 ...THE TORNADO WATCH HAS BEEN CANCELLED FOR A PORTION OF SOUTHWEST ILLINOIS... THE THREAT OF STRONG DAMAGING WINDS AND SEVERE WEATHER HAS DIMINISHED ACROSS THE REGION...THEREFORE THE TORNADO WATCH HAS BEEN CANCELLED. SHOWERS WILL CONTINUE THIS EVENING WITH GUSTY SOUTHERLY WINDS. THE TORNADO WATCH HAS BEEN CANCELLED FOR GREENE...JERSEY... MADISON...ST CLAIR...MONROE...RANDOLPH...MACOUPIN...MONTGOMERY... BOND...CLINTON...WASHINGTON...FAYETTE...AND MARION COUNTIES IN ILLINOIS. TPS
Special weather statement, Mar 27, 7:15 PM CST, 47 minutes before
ILZ058>060-064-065-069-070-074-079-099>102-280300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 715 PM CST FRI MAR 27 1998 ...THE TORNADO WATCH HAS BEEN CANCELLED FOR A PORTION OF SOUTHWEST ILLINOIS... THE THREAT OF STRONG DAMAGING WINDS AND SEVERE WEATHER HAS DIMINISHED ACROSS THE REGION...THEREFORE THE TORNADO WATCH HAS BEEN CANCELLED. SHOWERS WILL CONTINUE THIS EVENING WITH GUSTY SOUTHERLY WINDS. THE TORNADO WATCH HAS BEEN CANCELLED FOR GREENE...JERSEY... MADISON...ST CLAIR...MONROE...RANDOLPH...MACOUPIN...MONTGOMERY... BOND...CLINTON...WASHINGTON...FAYETTE...AND MARION COUNTIES IN ILLINOIS. TPS
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 27, 6:39 PM CST | Severe Thunderstorm Warning | LSX | Bond, Montgomery | 51 min |
| Mar 27, 10:46 PM CST | Tornado Warning | LSX | Randolph | 29 min |
| Mar 28, 2:14 AM CST | Severe Thunderstorm Warning | LSX | Greene | 16 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.