Alert archive / Illinois / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 148, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at May 22, 1998, 5:02 AM CDT for Bond County, Illinois. It was in force for 48 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- May 22, 1998, 5:02 AM CDT (10:02 UTC)
- Expired
- May 22, 1998, 5:50 AM CDT
- In force
- 48 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
County Bond County, IL
The radar
The St Louis radar (KLSX), 110 km from the middle of the area, began a volume at 10:03 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 22, 5:15 AM CDT | Hail 0.75 | Greenville, IL |
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 |
|---|---|---|---|
| May 22, 2:00 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 00:00Z, 10.0 hours before the alert went out and 158 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
- 1615 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 19 m²/s²
- 0-3 km storm-relative helicity
- 137 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 221002 RRA SVRSTL ILC005-221050- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 502 AM CDT FRI MAY 22 1998 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... BOND COUNTY IN SOUTHWESTERN ILLINOIS * UNTIL 550 AM CDT * AT 500 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS FROM HILSBORO TO RENO... MOVING EAST AT 35 MPH. * LOCATIONS THAT WILL BE AFFECTED... MULBERRY GROVE GREENVILLE RENO 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. DM/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, May 22, 4:31 AM CDT, 31 minutes before
ILZ095>097-MOZ036-221000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 431 AM CDT FRI MAY 22 1998 ...SEVERE THUNDERSTORM WATCH HAS BEEN CANCELLED FOR A PORTION OF WEST CENTRAL ILLINOIS AND EAST CENTRAL MISSOURI... SEVERE THUNDERSTORM WATCH 395 IS NO LONGER IN EFFECT FOR THE ILLINOIS COUNTIES OF ADAMS...BROWN...AND PIKE...AND FOR PIKE COUNTY MISSOURI AS WELL. THE THREAT OF SEVERE WEATHER HAS SUBSIDED IN THESE AREAS. TRUETT&
Special weather statement, May 22, 4:31 AM CDT, 31 minutes before
ILZ095>097-MOZ036-221000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 431 AM CDT FRI MAY 22 1998 ...SEVERE THUNDERSTORM WATCH HAS BEEN CANCELLED FOR A PORTION OF WEST CENTRAL ILLINOIS AND EAST CENTRAL MISSOURI... SEVERE THUNDERSTORM WATCH 395 IS NO LONGER IN EFFECT FOR THE ILLINOIS COUNTIES OF ADAMS...BROWN...AND PIKE...AND FOR PIKE COUNTY MISSOURI AS WELL. THE THREAT OF SEVERE WEATHER HAS SUBSIDED IN THESE AREAS. TRUETT&
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 22, 1:06 AM CDT | Severe Thunderstorm Warning | LSX | Jersey | 64 min |
| May 22, 1:20 AM CDT | Severe Thunderstorm Warning | LSX | Calhoun | 65 min |
| May 22, 1:52 AM CDT | Severe Thunderstorm Warning | LSX | Madison | 63 min |
| May 22, 2:12 AM CDT | Severe Thunderstorm Warning | LSX | Jersey | 33 min |
| May 22, 2:17 AM CDT | Severe Thunderstorm Warning | LSX | Adams | 48 min |
| May 22, 2:34 AM CDT | Severe Thunderstorm Warning | LSX | Pike | 61 min |
| May 22, 2:59 AM CDT | Tornado Warning | LSX | Pike | 51 min |
| May 22, 3:31 AM CDT | Severe Thunderstorm Warning | LSX | Calhoun, Greene | 64 min |
| May 22, 3:50 AM CDT | Severe Thunderstorm Warning | LSX | Macoupin | 65 min |
| May 22, 4:08 AM CDT | Severe Thunderstorm Warning | LSX | Jersey | 47 min |
| May 22, 4:44 AM CDT | Severe Thunderstorm Warning | LSX | Montgomery | 51 min |
| May 22, 5:20 AM CDT | Severe Thunderstorm Warning | LSX | Fayette | 50 min |
| May 22, 5:40 AM CDT | Severe Thunderstorm Warning | LSX | Marion | 50 min |
| May 22, 7:35 AM CDT | Severe Thunderstorm Warning | LSX | Adams | 35 min |
| May 22, 8:00 AM CDT | Severe Thunderstorm Warning | LSX | Brown, Pike | 50 min |
| May 22, 8:52 AM CDT | Severe Thunderstorm Warning | LSX | Greene, Macoupin | 33 min |
| May 22, 9:22 AM CDT | Severe Thunderstorm Warning | LSX | Montgomery | 48 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.