Alert archive / Missouri / Tornado Warnings in 1998

Tornado Warning 98, NWS St. Louis, MO

July 29, 1998Audrain County, Pike County, Missouri

NWS St. Louis, MO issued this tornado warning at Jul 29, 1998, 5:56 PM CDT for Audrain County, Pike County, Missouri. It was in force for 44 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
Jul 29, 1998, 5:56 PM CDT (22:56 UTC)
Expired
Jul 29, 1998, 6:40 PM CDT
In force
44 min
Issued by
NWS St. Louis, MO
Area
Whole counties

Counties Audrain County, MO, Pike County, MO

The radar

The St Louis radar (KLSX), 96 km from the middle of the area, began a volume at 22:59 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

Lincoln, IL (KILX), launched 12:00Z, 10.9 hours before the alert went out and 267 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 12:00Z on 1998-07-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 462 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, Lincoln, IL at 12:00Z on 1998-07-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 10 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
462 J/kg
Mixed-layer CIN
-132 J/kg
Mixed-layer LCL
956 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
10 m²/s²
0-3 km storm-relative helicity
25 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSTL 292256 RRA
TORSTL
MOC007-163-292340-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
556 PM CDT WED JUL 29 1998

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* TORNADO WARNING FOR...
  AUDRAIN COUNTY IN CENTRAL MISSOURI
  PIKE COUNTY MISSOURI IN NORTHEASTERN MISSOURI

* UNTIL 640 PM CDT

* AT 550 PM CDT... AREA LAW ENFORCEMENT INDICATED A TORNADO NORTH OF
  MEXICO  AND NEAR BOWLING GREEN... MOVING EAST AT 5 MPH.

* LOCATIONS IN THE PATH...
  LADONIA
  RUSH HILL
  BOWLING GREEN

THERE HAS BEEN SEVERAL REPORTS OF FUNNEL CLOUDS BRIEFLY TOUCHING
DOWN 7 MILES NORTH OF MEXICO AND NEAR BOWLING GREEN.  ANY TORNADOES
THAT FORM WILL HAVE A SHORT LIFE SPAN.

IF YOU ARE IN THE PATH OF THIS STORM...SEEK SHELTER NOW! A
BASEMENT OFFERS THE BEST PROTECTION. IF NOT AVAILABLE...MOVE TO
THE LOWEST FLOOR AND SEEK SHELTER IN A SMALL INTERIOR ROOM. STAY
AWAY FROM OUTSIDE WALLS AND WINDOWS. MOBILE HOMES SHOULD BEV
ABANDONED IN FAVOR OF A MORE SUBSTANTIAL STRUCTURE. DO NOT TRY TO
OUTRUN A TORNADO IN A VEHICLE

DLF/RP


&

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 29, 5:53 AM CDTFlash Flood WarningLSXCole, Moniteau6 hr
Jul 29, 5:53 AM CDTFlash Flood WarningLSXOsage6 hr

Nearby

Tornado Warnings in Missouri, 1998Every tornado warning in 1998Tornadoes 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.