Alert archive / Illinois / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 320, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Sep 29, 1998, 5:13 AM CDT for Adams County, Illinois; Marion County, Missouri. It was in force for 47 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
- Sep 29, 1998, 5:13 AM CDT (10:13 UTC)
- Expired
- Sep 29, 1998, 6:00 AM CDT
- In force
- 47 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
Counties Adams County, IL, Marion County, MO
The radar
The St Louis radar (KLSX), 147 km from the middle of the area, began a volume at 10:14 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 nearest sounding before it
Davenport, (KDVN), launched 00:00Z, 10.2 hours before the alert went out and 206 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
- 2208 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 73 m²/s²
- 0-3 km storm-relative helicity
- 128 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
089 WUUS1 KSTL 291014 RRA SVRSTL ILC001-MOC127-291100- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 513 AM CDT TUE SEP 29 1998 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... ADAMS COUNTY IN WEST CENTRAL ILLINOIS EASTERN MARION COUNTY MISSOURI IN NORTHEASTERN MISSOURI * UNTIL 600 AM CDT * AT 512 AM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 5 MILES SOUTHEAST OF PALMYRA... MOVING EAST AT 25 MPH. * LOCATIONS THAT WILL BE AFFECTED... PAYSON AT 530 AM KINGSTON AT 545 AM 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. GKS/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, Sep 29, 12:05 AM CDT, 5 hours 8 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SPRINGFIELD MO 1205 AM CDT TUE SEP 29 1998 ...SEVERE THUNDERSTORM WATCH FOR PORTIONS OF THE OZARKS UNTIL 500 AM... A SEVERE THUNDERSTORM WATCH...VALID UNTIL 500 AM...HAS BEEN ISSUED BY THE NATIONAL WEATHER SERVICE FOR THE FOLLOWING COUNTIES IN SOUTHWEST AND CENTRAL MISSOURI... BENTON CAMDEN HICKORY MILLER MORGAN VERNON AND FOR THE FOLLOWING COUNTY IN SOUTHEAST KANSAS... BOURBON A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR THE DEVELOPMENT OF SEVERE WEATHER IN AND CLOSE TO THE WATCH AREA. IF YOU ARE IN THE WATCH AREA...KEEP UP TO DATE OF THE LATEST WEATHER INFORMATION. HAIL LARGER THAN DIME SIZE AND WIND GUSTS OVER 58 MILES PER HOUR WILL BE LIKELY WITH STORMS IN THE WATCH AREA. TORRENTIAL RAINFALL WILL ALSO BE LIKELY. IF A SEVERE THUNDERSTORM WARNING IS ISSUED FOR YOUR AREA...A SEVERE THUNDERSTORM HAS BEEN OBSERVED OR INDICATED BY RADAR. IF YOU ARE NEAR OR IN THE PATH OF THIS STORM...TAKE THE FOLLOWING ACTIONS TO PROTECT LIFE AND PROPERTY... 1) IN OPEN COUNTRY...SEEK SHELTER AND AVOID TREES WHICH CAN BE TARGETS FOR LIGHTNING. IF THERE IS NO SHELTER...GO TO A DITCH OR CULVERT BUT BEWARE OF RISING WATER WHICH CAN CAUSE FLOODING. 2) WHEN INDOORS...STAY AWAY FROM WINDOWS AND GO TO AN INTERIOR ROOM. AVOID USING ELECTRICAL APPLIANCES. 3) IN MOBILE HOMES...YOU SHOULD LEAVE AND SEEK NEARBY SAFE SHELTER. REMEMBER...WITH ANY SEVERE THUNDERSTORM THERE IS ALWAYS THE POSSIBILITY OF TORNADOES. TERRY
Nearby
Severe Thunderstorm Warnings in Illinois, 1998Severe 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.