Alert archive / Missouri / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 206, NWS St. Louis, MO

June 14, 1998Monroe County, Missouri

NWS St. Louis, MO issued this severe thunderstorm warning at Jun 14, 1998, 3:33 AM CDT for Monroe County, Missouri. It was in force for 32 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 14, 1998, 3:33 AM CDT (08:33 UTC)
Expired
Jun 14, 1998, 4:05 AM CDT
In force
32 min
Issued by
NWS St. Louis, MO
Area
Whole counties

County Monroe County, MO

The radar

The St Louis radar (KLSX), 144 km from the middle of the area, began a volume at 08:37 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.

IssuedProductOfficeLasted
Jun 14, 1:15 AM CDTTornado WatchSPC6 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 8.6 hours before the alert went out and 299 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, Lincoln, IL at 00:00Z on 1998-06-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Lincoln, IL at 00:00Z on 1998-06-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 9 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1590 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
9 m²/s²
0-3 km storm-relative helicity
83 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.

000 
TTAA00 KSTL 140832 RRA
SVRSTL
MOC137-140905-

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

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  MONROE COUNTY MISSOURI IN NORTHEASTERN MISSOURI

* UNTIL 405 AM CDT

* AT 332 AM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS ALONG THE MONROE-RANDOLPH COUNTY
  LINE...MOVING EAST AT 35 MPH.

* LOCATIONS THAT WILL BE AFFECTED...
  WOODLAWN
  MADISON
  PARIS
  MARK TWAIN LAKE RECREATIONAL AREA

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.

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

TRUETT/GKS

The office that day

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

IssuedProductOfficeCountiesLasted
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, 7:13 AM CDTSevere Thunderstorm WarningLSXSaint Charles47 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, 3:35 PM CDTTornado WarningLSXPike65 min
Jun 14, 3:40 PM CDTTornado WarningLSXLewis50 min
Jun 14, 3:43 PM CDTSevere Thunderstorm WarningLSXMarion52 min
Jun 14, 4:14 PM CDTTornado WarningLSXClark31 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.