Alert archive / Illinois / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 219, NWS St. Louis, MO

June 14, 1998Adams County, Illinois; Marion County, Missouri

NWS St. Louis, MO issued this severe thunderstorm warning at Jun 14, 1998, 3:43 PM CDT for Adams County, Illinois; Marion County, Missouri. It was in force for 52 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
Jun 14, 1998, 3:43 PM CDT (20:43 UTC)
Expired
Jun 14, 1998, 4:35 PM CDT
In force
52 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 20:44 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

TimeReportWhereRemark
Jun 14, 4:00 PM CDTTornado F1Quincy, 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.

IssuedProductOfficeLasted
Jun 14, 3:00 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Davenport, (KDVN), launched 12:00Z, 8.7 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.

Skew-T log-pSkew-T log-p diagram, Davenport, at 12:00Z on 1998-06-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 8 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Davenport, at 12:00Z on 1998-06-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 52 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
8 J/kg
Mixed-layer CIN
-44 J/kg
Mixed-layer LCL
922 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
52 m²/s²
0-3 km storm-relative helicity
73 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

338 
WUUS1 KSTL 142042 RRA
SVRSTL
ILC001-MOC127-142130-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
343 PM CDT SUN JUN 14 1998

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  ADAMS COUNTY IN WEST CENTRAL ILLINOIS
  MARION COUNTY MISSOURI IN NORTHEASTERN MISSOURI

* UNTIL 435 PM CDT

* AT AT 342 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM JUST NORTH OF PALMYRA... MOVING NORTHEAST AT
  20 MPH.

* LOCATIONS THAT WILL BE AFFECTED...
  QUINCY
  COLUMBUS
  CAMP POINT

THIS IS A DANGEROUS STORM BE PREPARED FOR DAMAGING WINDS...HAIL...
AND DEADLY LIGHTNING. STAY INDOORS AWAY FROM WINDOWS.

A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. SEVERE
THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE
WARNING.

AMS/DF

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 14, 10:20 AM CDT, 5 hours 23 minutes before
ILZ060-064-065-069-070-074-079-141715-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
1020 AM CDT SUN JUN 14 1998

...SEVERE THUNDERSTORM WATCH HAS BEEN CANCELLED FOR PORTIONS OF
SOUTHWEST ILLINOIS...

THE SEVERE THUNDERSTORM WATCH HAS BEEN CANCELLED FOR THE FOLLOWING
COUNTIES...

IN ILLINOIS...MONTGOMERY...BOND...CLINTON...WASHINGTON...RANDOLPH...
FAYETTE...AND MARION

ISOLATED THUNDERSTORMS ARE EXPECTED ACROSS THE REGION INTO THE
EARLY AFTERNOON...BUT THE THREAT OF SEVERE WEATHER HAS DIMINISHED AND
NO MORE SEVERE WEATHER IS EXPECTED

TPS
Special weather statement, Jun 14, 10:20 AM CDT, 5 hours 23 minutes before
ILZ060-064-065-069-070-074-079-141715-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
1020 AM CDT SUN JUN 14 1998

...SEVERE THUNDERSTORM WATCH HAS BEEN CANCELLED FOR PORTIONS OF
SOUTHWEST ILLINOIS...

THE SEVERE THUNDERSTORM WATCH HAS BEEN CANCELLED FOR THE FOLLOWING
COUNTIES...

IN ILLINOIS...MONTGOMERY...BOND...CLINTON...WASHINGTON...RANDOLPH...
FAYETTE...AND MARION

ISOLATED THUNDERSTORMS ARE EXPECTED ACROSS THE REGION INTO THE
EARLY AFTERNOON...BUT THE THREAT OF SEVERE WEATHER HAS DIMINISHED AND
NO MORE SEVERE WEATHER IS EXPECTED

TPS
Special weather statement, Jun 14, 11:45 AM CDT, 3 hours 58 minutes before
ILZ058>060-064-065-069-070-074-079-095>102-MOZ009-010-018-019-026-
027-034>036-041-042-047>052-059>065-072>075-084-085-099-150200-

SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE ST LOUIS MO
1145 AM CDT SUN JUN 14 1998

THIS OUTLOOK COVERS THE COUNTY WARNING AREA OF THE NATIONAL WEATHER
SERVICE FORECAST OFFICE IN ST LOUIS.  AREAS INCLUDED ARE PORTIONS OF
NORTHEAST...CENTRAL...EAST CENTRAL AND SOUTHEAST MISSOURI AS WELL AS
WEST CENTRAL AND SOUTHWEST ILLINOIS.

AN INTENSE LOW PRESSURE SYSTEM WAS LOCATED OVER NORTHWEST MISSOURI EARLY
THIS AFTERNOON.  VERY UNSTABLE AND MOIST AIR WAS LOCATED OVER SOUTHEAST
MISSOURI.  AS THE LOW PRESSURE SYSTEM MOVES TO THE EAST THIS AFTERNOON
AND EVENING...IT WILL PULL THIS MOIST AND UNSTABLE AIR NORTHWARD INTO
EASTERN MISSOURI.

THERE IS A HIGH RISK OF SEVERE THUNDERSTORMS ACROSS PORTIONS OF
SOUTHWEST ILLINOIS AND EASTERN MISSOURI THIS AFTERNOON AND EVENING.
THE AREA IS EAST AND SOUTH OF A LINE FROM CENTERVILLE IN REYNOLDS
COUNTY TO TROY IN LINCOLN COUNTY TO EDWARDSVILLE IN MADISON COUNTY
ILLINOIS TO NASHVILLE IN WASHINGTON COUNTY ILLINOIS.  THIS AREA
INCLUDES THE ENTIRE ST LOUIS METROPOLITAN AREA.

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS CENTRAL AND
NORTHEAST MISSOURI.

EMERGENCY MANAGERS AND STORM SPOTTER GROUPS SHOULD STAY INFORMED ON
WEATHER DEVELOPMENTS AS SKYWARN ACTIVATION WILL LIKELY BE NEEDED THIS
AFTERNOON AND EVENING.

TPS
Special weather statement, Jun 14, 11:45 AM CDT, 3 hours 58 minutes before
ILZ058>060-064-065-069-070-074-079-095>102-MOZ009-010-018-019-026-
027-034>036-041-042-047>052-059>065-072>075-084-085-099-150200-

SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE ST LOUIS MO
1145 AM CDT SUN JUN 14 1998

THIS OUTLOOK COVERS THE COUNTY WARNING AREA OF THE NATIONAL WEATHER
SERVICE FORECAST OFFICE IN ST LOUIS.  AREAS INCLUDED ARE PORTIONS OF
NORTHEAST...CENTRAL...EAST CENTRAL AND SOUTHEAST MISSOURI AS WELL AS
WEST CENTRAL AND SOUTHWEST ILLINOIS.

AN INTENSE LOW PRESSURE SYSTEM WAS LOCATED OVER NORTHWEST MISSOURI EARLY
THIS AFTERNOON.  VERY UNSTABLE AND MOIST AIR WAS LOCATED OVER SOUTHEAST
MISSOURI.  AS THE LOW PRESSURE SYSTEM MOVES TO THE EAST THIS AFTERNOON
AND EVENING...IT WILL PULL THIS MOIST AND UNSTABLE AIR NORTHWARD INTO
EASTERN MISSOURI.

THERE IS A HIGH RISK OF SEVERE THUNDERSTORMS ACROSS PORTIONS OF
SOUTHWEST ILLINOIS AND EASTERN MISSOURI THIS AFTERNOON AND EVENING.
THE AREA IS EAST AND SOUTH OF A LINE FROM CENTERVILLE IN REYNOLDS
COUNTY TO TROY IN LINCOLN COUNTY TO EDWARDSVILLE IN MADISON COUNTY
ILLINOIS TO NASHVILLE IN WASHINGTON COUNTY ILLINOIS.  THIS AREA
INCLUDES THE ENTIRE ST LOUIS METROPOLITAN AREA.

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS CENTRAL AND
NORTHEAST MISSOURI.

EMERGENCY MANAGERS AND STORM SPOTTER GROUPS SHOULD STAY INFORMED ON
WEATHER DEVELOPMENTS AS SKYWARN ACTIVATION WILL LIKELY BE NEEDED THIS
AFTERNOON AND EVENING.

TPS

The office that day

Everything else NWS St. Louis, MO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 14, 6:54 AM CDTSevere Thunderstorm WarningLSXCalhoun31 min
Jun 14, 7:03 AM CDTTornado WarningLSXJersey32 min
Jun 14, 7:13 AM CDTSevere Thunderstorm WarningLSXMadison47 min
Jun 14, 7:31 AM CDTSevere Thunderstorm WarningLSXMacoupin34 min
Jun 14, 7:54 AM CDTSevere Thunderstorm WarningLSXBond, Clinton66 min
Jun 14, 7:54 AM CDTSevere Thunderstorm WarningLSXMontgomery66 min
Jun 14, 8:20 AM CDTSevere Thunderstorm WarningLSXFayette45 min
Jun 14, 8:32 AM CDTSevere Thunderstorm WarningLSXMarion, Washington48 min
Jun 14, 3:35 PM CDTTornado WarningLSXCalhoun, Pike65 min
Jun 14, 4:04 PM CDTSevere Thunderstorm WarningLSXRandolph61 min
Jun 14, 4:08 PM CDTTornado WarningLSXAdams32 min
Jun 14, 4:19 PM CDTTornado WarningLSXRandolph61 min
Jun 14, 4:24 PM CDTTornado WarningLSXGreene61 min
Jun 14, 4:38 PM CDTTornado WarningLSXAdams, Brown62 min
Jun 14, 5:14 PM CDTTornado WarningLSXJersey, Macoupin, Madison61 min
Jun 14, 5:34 PM CDTTornado WarningLSXGreene61 min
Jun 14, 6:15 PM CDTTornado WarningLSXBond, Macoupin, Madison, Montgomery50 min
Jun 14, 3:33 AM CDTSevere Thunderstorm WarningLSXMonroe32 min
Jun 14, 4:46 AM CDTSevere Thunderstorm WarningLSXAudrain, Boone, Callaway49 min
Jun 14, 5:59 AM CDTSevere Thunderstorm WarningLSXMontgomery31 min
Jun 14, 6:17 AM CDTSevere Thunderstorm WarningLSXLincoln, Warren48 min
Jun 14, 2:15 PM CDTTornado WarningLSXAudrain15 min
Jun 14, 2:18 PM CDTSevere Thunderstorm WarningLSXKnox32 min
Jun 14, 2:29 PM CDTTornado WarningLSXPike36 min
Jun 14, 2:39 PM CDTSevere Thunderstorm WarningLSXRalls46 min
Jun 14, 2:57 PM CDTTornado WarningLSXScotland33 min
Jun 14, 2:57 PM CDTTornado WarningLSXClark, Scotland38 min
Jun 14, 3:05 PM CDTTornado WarningLSXPike35 min
Jun 14, 3:29 PM CDTTornado WarningLSXClark46 min
Jun 14, 3:40 PM CDTTornado WarningLSXLewis50 min
Jun 14, 4:14 PM CDTTornado WarningLSXClark31 min

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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.