Alert archive / Missouri / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 178, NWS St. Louis, MO

May 25, 1998Madison County, Saint Francois County, Missouri

NWS St. Louis, MO issued this severe thunderstorm warning at May 25, 1998, 3:35 AM CDT for Madison County, Saint Francois County, Missouri. It was in force for 60 min. 6 reports 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 25, 1998, 3:35 AM CDT (08:35 UTC)
Expired
May 25, 1998, 4:35 AM CDT
In force
60 min
Issued by
NWS St. Louis, MO
Area
Whole counties

Counties Madison County, MO, Saint Francois County, MO

What was reported inside it

TimeReportWhereRemark
May 25, 3:40 AM CDTThunderstorm Wind 57Bismarck, MO
May 25, 3:45 AM CDTThunderstorm Wind 57Desloge, MO
May 25, 3:45 AM CDTThunderstorm Wind 57Park Hills, MO
May 25, 3:50 AM CDTThunderstorm Wind 57Farmington, MO
May 25, 3:54 AM CDTThunderstorm Wind 57Fredericktown, MO
May 25, 3:54 AM CDTHail 1Fredericktown, MO

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
May 25, 3:15 AM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 8.6 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.

Skew-T log-pSkew-T log-p diagram, Springfield, MO at 00:00Z on 1998-05-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 895 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, Springfield, MO at 00:00Z on 1998-05-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 117 square meters per square second.193958Sfc1 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
895 J/kg
Mixed-layer CIN
-85 J/kg
Mixed-layer LCL
1916 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
117 m²/s²
0-3 km storm-relative helicity
247 m²/s²
Significant tornado parameter
0.0
Supercell composite
5.7

Open this sounding in Storm Lab

The text

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

227 
WUUS1 KSTL 250836 RRA
SVRSTL
MOC123-187-250935-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
335 AM CDT MON MAY 25 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 435 AM CDT

* AT AT 333 AM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS FROM NEAR BELLEVIEW TO NEAR REDFORD.
..
  MOVING EAST-NORTHEAST AT 35 MPH.

* LOCATIONS THAT WILL BE AFFECTED...
  FARMINGTON
  FREDERICKTOWN

THIS STORM HAS A HISTORY OF DAMAGING WINDS. MOVE QUICKLY TO A
STURDY BUILDING AND STAY AWAY FROM DOORS AND WINDOWS.  HOLIDAY
CAMPERS SHOULD EVACUTE TO A PERMANENT BUILDING

TRUETT/METZE

The office that day

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

IssuedProductOfficeCountiesLasted
May 25, 2:54 AM CDTSevere Thunderstorm WarningLSXIron, Reynolds61 min
May 25, 4:00 AM CDTSevere Thunderstorm WarningLSXSainte Genevieve60 min
May 25, 4:11 AM CDTTornado WarningLSXSainte Genevieve49 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.