Alert archive / Illinois / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 175, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at May 24, 1998, 12:31 AM CDT for Adams County, Illinois. It was in force for 49 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
- May 24, 1998, 12:31 AM CDT (05:31 UTC)
- Expired
- May 24, 1998, 1:20 AM CDT
- In force
- 49 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
County Adams County, IL
The radar
The St Louis radar (KLSX), 150 km from the middle of the area, began a volume at 05:35 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 |
|---|---|---|---|
| May 24, 12:00 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Davenport, (KDVN), launched 00:00Z, 5.5 hours before the alert went out and 190 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
- 1302 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- -114 m²/s²
- 0-3 km storm-relative helicity
- 165 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.7
The text
As transmitted, in the capitals the NWS used until 2016.
750 WUUS1 KSTL 240533 RRA SVRSTL ILC001-240620- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 1231 AM CDT SUN MAY 24 1998 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... EASTERN ADAMS COUNTY IN WEST CENTRAL ILLINOIS * UNTIL 120 AM CDT * AT 1232 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS FROM 5 MILES EAST OF LIMA TO PAYSON. .. MOVING NORTHEAST AT 35 MPH. * LOCATIONS THAT WILL BE AFFECTED... GOLDEN CAMP POINT KINGSTON THE PRIMARY SEVERE WEATHER THREAT IS DAMAGING WINDS. MOVE QUICKLY TO A STURDY BUILDING AND STAY AWAY FROM DOORS AND WINDOWS. GKS/DLF
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, May 23, 7:34 PM CDT, 4 hours 57 minutes before
ILZ064-065-069-070-074-079-100>102-MOZ047>049-059>065-072>075-084- 085-099-240230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 734 PM CDT SAT MAY 23 1998 ...SEVERE THUNDERSTORM WATCH 401 HAS BEEN CANCELLED FOR ALL MISSOURI COUNTIES AND RANDOLPH..MONROE..ST. CLAIR..AND MADISON COUNTIES IN ILLINOIS. IT REMAINS IN EFFECT FOR BOND..FAYETTE..MARION..CLINTON..AND WASHINGTON COUNTIES IN SOUTHWEST ILLLINOIS UNTIL 900 PM CDT. THE SEVERE THUNDERSTORM WATCH CANCELLATION MEANS THERE IS NO WATCH IN EFFECT FOR THE ST LOUIS METROPOLITAN AREA. ADDITIONAL THUNDERSTORMS COULD STILL OCCUR LATER TONIGHT. KEEP ABREAST OF LATEST INFORMATION AND POSSIBLE STATEMENTS OR WARNINGS FROM THE NATIONAL WEATHER SERVICE. PEDIGO
Special weather statement, May 23, 7:34 PM CDT, 4 hours 57 minutes before
ILZ064-065-069-070-074-079-100>102-MOZ047>049-059>065-072>075-084- 085-099-240230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 734 PM CDT SAT MAY 23 1998 ...SEVERE THUNDERSTORM WATCH 401 HAS BEEN CANCELLED FOR ALL MISSOURI COUNTIES AND RANDOLPH..MONROE..ST. CLAIR..AND MADISON COUNTIES IN ILLINOIS. IT REMAINS IN EFFECT FOR BOND..FAYETTE..MARION..CLINTON..AND WASHINGTON COUNTIES IN SOUTHWEST ILLLINOIS UNTIL 900 PM CDT. THE SEVERE THUNDERSTORM WATCH CANCELLATION MEANS THERE IS NO WATCH IN EFFECT FOR THE ST LOUIS METROPOLITAN AREA. ADDITIONAL THUNDERSTORMS COULD STILL OCCUR LATER TONIGHT. KEEP ABREAST OF LATEST INFORMATION AND POSSIBLE STATEMENTS OR WARNINGS FROM THE NATIONAL WEATHER SERVICE. PEDIGO
Special weather statement, May 23, 8:34 PM CDT, 3 hours 57 minutes before
ILZ064-065-069-070-074-240235- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 834 PM CDT SAT MAY 23 1998 THE SEVERE THUNDERSTORM WATCH FOR BOND...FAYETTE...MARION... WASHINGTON AND CLINTON COUNTIES IN SOUTHWEST ILLINOIS HAS BEEN CANCELLED. SCATTERED SHOWERS AND A FEW THUNDERSTORMS REMAINED OVER THE AREA AT 830 PM...BUT THE STRONG STORMS HAVE MOVED TO THE EAST. FERRY
Special weather statement, May 23, 8:34 PM CDT, 3 hours 57 minutes before
ILZ064-065-069-070-074-240235- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 834 PM CDT SAT MAY 23 1998 THE SEVERE THUNDERSTORM WATCH FOR BOND...FAYETTE...MARION... WASHINGTON AND CLINTON COUNTIES IN SOUTHWEST ILLINOIS HAS BEEN CANCELLED. SCATTERED SHOWERS AND A FEW THUNDERSTORMS REMAINED OVER THE AREA AT 830 PM...BUT THE STRONG STORMS HAVE MOVED TO THE EAST. FERRY
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 23, 8:01 PM CDT | Severe Thunderstorm Warning | LSX | Marion | 49 min |
| May 23, 8:27 PM CDT | Tornado Warning | LSX | Marion | 33 min |
| May 24, 12:05 AM CDT | Severe Thunderstorm Warning | LSX | Adams | 50 min |
| May 24, 12:21 AM CDT | Severe Thunderstorm Warning | LSX | Pike | 64 min |
| May 24, 1:03 AM CDT | Severe Thunderstorm Warning | LSX | Pike | 47 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.