Alert archive / Missouri / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 250, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Jun 18, 1998, 10:59 PM CDT for Madison County, Saint Francois County, Missouri. It was in force for 46 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 18, 1998, 10:59 PM CDT (03:59 UTC)
- Expired
- Jun 18, 1998, 11:45 PM CDT
- In force
- 46 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
Counties Madison County, MO, Saint Francois County, MO
The radar
The St Louis radar (KLSX), 120 km from the middle of the area, began a volume at 04:02 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 18, 6:15 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Springfield, MO (KSGF), launched 00:00Z, 4.0 hours before the alert went out and 311 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
- 3542 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 1049 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 126 m²/s²
- 0-3 km storm-relative helicity
- 144 m²/s²
- Significant tornado parameter
- 2.1
- Supercell composite
- 12.4
The text
As transmitted, in the capitals the NWS used until 2016.
988 WUUS1 KSTL 190400 RRA SVRSTL MOC123-187-190445- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 1059 PM CDT THU JUN 18 1998 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... MADISON COUNTY MISSOURI IN SOUTHEASTERN MISSOURI SOUTHERN ST FRANCOIS COUNTY IN EAST CENTRAL MISSOURI * UNTIL 1145 PM CDT * AT 1058 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS JUST SOUTH OF BISMARCK TO 15 MILES WEST OF FREDERICKTOWN...MOVING EAST AT 40 MPH. * LOCATIONS THAT WILL BE AFFECTED... FREDERICKTOWN FARMINGTON KNOB LICK MILL CREEK THE PRIMARY SEVERE WEATHER THREAT IS DAMAGING WINDS. MOVE QUICKLY TO A STURDY BUILDING AND STAY AWAY FROM DOORS AND WINDOWS. GLASS/TRUETT
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 18, 6:24 PM CDT, 4 hours 35 minutes before
MOZ009-010-018-019-026-190130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 624 PM CDT THU JUN 18 1998 ...THE SEVERE THUNDERSTORM WATCH FOR PARTS OF NORTHEAST MISSOURI HAS BEEN CANCELLED... THE SEVERE THUNDERSTORM WATCH FOR SCOTLAND...CLARK...KNOX...LEWIS AND SHELBY COUNTIES IN NORTHEAST MISSOURI IS NO LONGER IN EFFECT. THE SEVERE THUNDERSTORMS HAVE MOVED EAST OF THE AREA. FERRY
Special weather statement, Jun 18, 6:24 PM CDT, 4 hours 35 minutes before
MOZ009-010-018-019-026-190130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 624 PM CDT THU JUN 18 1998 ...THE SEVERE THUNDERSTORM WATCH FOR PARTS OF NORTHEAST MISSOURI HAS BEEN CANCELLED... THE SEVERE THUNDERSTORM WATCH FOR SCOTLAND...CLARK...KNOX...LEWIS AND SHELBY COUNTIES IN NORTHEAST MISSOURI IS NO LONGER IN EFFECT. THE SEVERE THUNDERSTORMS HAVE MOVED EAST OF THE AREA. FERRY
Special weather statement, Jun 18, 8:20 PM CDT, 2 hours 39 minutes before
ILZ095>097-MOZ027-034>036-041-042-047-048-190315- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 820 PM CDT THU JUN 18 1998 ...THE SEVERE THUNDERSTORM WATCHES FOR PARTS OF NORTHEAST AND CENTRAL MISSOURI AND WEST CENTRAL ILLINOIS HAS BEEN CANCELLED... THE SEVERE THUNDERSTORM WATCHES FOR MARION...MONROE...RALLS... PIKE...AUDRAIN...BOONE...MONITEAU AND COLE COUNTIES IN NORTHEAST AND CENTRAL MISSOURI AND THE WEST CENTRAL ILLINOIS COUNTIES OF ADAMS...BROWN AND PIKE IS NO LONGER IN EFFECT. THE LINE OF SEVERE THUNDERSTORMS HAVE MOVED EAST OF THE AREA. FERRY
Special weather statement, Jun 18, 8:20 PM CDT, 2 hours 39 minutes before
ILZ095>097-MOZ027-034>036-041-042-047-048-190315- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 820 PM CDT THU JUN 18 1998 ...THE SEVERE THUNDERSTORM WATCHES FOR PARTS OF NORTHEAST AND CENTRAL MISSOURI AND WEST CENTRAL ILLINOIS HAS BEEN CANCELLED... THE SEVERE THUNDERSTORM WATCHES FOR MARION...MONROE...RALLS... PIKE...AUDRAIN...BOONE...MONITEAU AND COLE COUNTIES IN NORTHEAST AND CENTRAL MISSOURI AND THE WEST CENTRAL ILLINOIS COUNTIES OF ADAMS...BROWN AND PIKE IS NO LONGER IN EFFECT. THE LINE OF SEVERE THUNDERSTORMS HAVE MOVED EAST OF THE AREA. FERRY
Special weather statement, Jun 18, 9:35 PM CDT, 1 hour 24 minutes before
ILZ058-059-098-099-MOZ049>052-060-061-190430- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 935 PM CDT THU JUN 18 1998 ...THE SEVERE THUNDERSTORM WATCH FOR PARTS OF CENTRAL AND EAST CENTRAL MISSOURI AND SOUTHWEST ILLINOIS IS NO LONGER IN EFFECT... THE SEVERE THUNDERSTORM WATCH FOR THE MISSOURI COUNTIES OF OSAGE...CALLOWAY...MONTGOMERY AND LINCOLN AND THE SOUTHWEST ILLINOIS COUNTIES OF CALHOUN...JERSEY...GREENE AND MACOUPIN HAS EXPIRED. MOST OF THE SHOWERS AND THUNDERSTORMS HAVE ENDED OVER THE AREA. HOWEVER...ISOLATED THUNDERSTORMS CONTINUED FROM LINCOLN COUNTY MISSOURI INTO MACOUPIN COUNTY ILLINOIS. WHILE THE SEVERE WEATHER THREAT HAS ENDED...THE STORMS IN MACOUPIN COUNTY WERE STILL CAPABLE OF PRODUCING VERY HEAVY RAINS. DLF
Special weather statement, Jun 18, 9:35 PM CDT, 1 hour 24 minutes before
ILZ058-059-098-099-MOZ049>052-060-061-190430- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 935 PM CDT THU JUN 18 1998 ...THE SEVERE THUNDERSTORM WATCH FOR PARTS OF CENTRAL AND EAST CENTRAL MISSOURI AND SOUTHWEST ILLINOIS IS NO LONGER IN EFFECT... THE SEVERE THUNDERSTORM WATCH FOR THE MISSOURI COUNTIES OF OSAGE...CALLOWAY...MONTGOMERY AND LINCOLN AND THE SOUTHWEST ILLINOIS COUNTIES OF CALHOUN...JERSEY...GREENE AND MACOUPIN HAS EXPIRED. MOST OF THE SHOWERS AND THUNDERSTORMS HAVE ENDED OVER THE AREA. HOWEVER...ISOLATED THUNDERSTORMS CONTINUED FROM LINCOLN COUNTY MISSOURI INTO MACOUPIN COUNTY ILLINOIS. WHILE THE SEVERE WEATHER THREAT HAS ENDED...THE STORMS IN MACOUPIN COUNTY WERE STILL CAPABLE OF PRODUCING VERY HEAVY RAINS. DLF
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 18, 7:01 PM CDT | Severe Thunderstorm Warning | LSX | Callaway | 49 min |
| Jun 18, 7:09 PM CDT | Severe Thunderstorm Warning | LSX | Pike | 46 min |
| Jun 18, 7:14 PM CDT | Tornado Warning | LSX | Osage | 36 min |
| Jun 18, 7:28 PM CDT | Severe Thunderstorm Warning | LSX | Lincoln, Montgomery, Warren | 52 min |
| Jun 18, 8:45 PM CDT | Severe Thunderstorm Warning | LSX | Crawford, Franklin, Washington | 50 min |
| Jun 18, 9:07 PM CDT | Severe Thunderstorm Warning | LSX | Jefferson | 48 min |
| Jun 18, 9:25 PM CDT | Severe Thunderstorm Warning | LSX | Sainte Genevieve, Saint Francois | 35 min |
| Jun 18, 10:10 PM CDT | Tornado Warning | LSX | Reynolds | 65 min |
| Jun 18, 10:25 PM CDT | Severe Thunderstorm Warning | LSX | Iron | 65 min |
| Jun 18, 11:10 PM CDT | Severe Thunderstorm Warning | LSX | Sainte Genevieve | 50 min |
| Jun 18, 11:14 PM CDT | Severe Thunderstorm Warning | LSX | Reynolds | 51 min |
Nearby
Severe Thunderstorm Warnings in Missouri, 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.