Alert archive / Illinois / Tornado Warnings in 1998

Tornado Warning 91, NWS St. Louis, MO

June 29, 1998Fayette County, Illinois

NWS St. Louis, MO issued this tornado warning at Jun 29, 1998, 7:13 PM CDT for Fayette County, Illinois. It was in force for 32 min. 2 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
Jun 29, 1998, 7:13 PM CDT (00:13 UTC)
Expired
Jun 29, 1998, 7:45 PM CDT
In force
32 min
Issued by
NWS St. Louis, MO
Area
Whole counties

County Fayette County, IL

The radar

The Lincoln radar (KILX), 131 km from the middle of the area, began a volume at 00:16 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 29, 7:20 PM CDTThunderstorm Wind 60Ramsey, IL
Jun 29, 7:20 PM CDTTornado F1Farina, 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 29, 6:00 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Davenport, (KDVN), launched 00:00Z, 0.2 hours before the alert went out and 317 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 00:00Z on 1998-06-30Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Davenport, at 00:00Z on 1998-06-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 282 square meters per square second.1939587897117136Sfc1 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
2291 m above ground
0-6 km bulk shear
122 kt
0-1 km storm-relative helicity
282 m²/s²
0-3 km storm-relative helicity
358 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 300014 RRA
TORSTL
ILC051-300045-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
713 PM CDT MON JUN 29 1998

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN FAYETTE COUNTY IN SOUTHWESTERN ILLINOIS

* UNTIL 745 PM CDT

* AT 712 PM CDT... SEVERE STORM SPOTTERS INDICATED A TORNADO NEAR ST
  PETER... MOVING SOUTHEAST AT 30 MPH.

* LOCATIONS IN THE PATH...
  FARINA

A TORNADO IS ON THE GROUND! IN YOU ARE IN THE PATH...MOVE
IMMEDIATELY TO A SUBSTANTIAL STRUCTURE NOW FOR PROTECTION. A
BASEMENT OFFERS THE BEST SHELTER. YOUR LIFE AND THE LIVES OF THOSE
AROUND YOU MAY DEPEND ON YOUR ACTIONS.

RP


&

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 29, 7:19 PM CDTSevere Thunderstorm WarningLSXMarion46 min
Jun 29, 7:25 PM CDTSevere Thunderstorm WarningLSXBrown50 min

Nearby

Tornado Warnings in Illinois, 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.