Alert archive / Illinois / Tornado Warnings in 1995

Tornado Warning 4, NWS St. Louis, MO

May 9, 1995Montgomery County, Illinois

NWS St. Louis, MO issued this tornado warning at May 9, 1995, 7:12 PM CDT for Montgomery County, Illinois. It was in force for 33 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
May 9, 1995, 7:12 PM CDT (00:12 UTC)
Expired
May 9, 1995, 7:45 PM CDT
In force
33 min
Issued by
NWS St. Louis, MO
Area
Whole counties

County Montgomery County, IL

What was reported inside it

TimeReportWhereRemark
May 9, 7:15 PM CDTTornado F1Nokomis, ILA tornado struck three farms briefly just east of Nokomis doing significant damage to several outbuildings. One farm lost a machine shed and a grain bin. Homes on the farms suffered superficial roof damage. The tornado was only on the ground for a few minut

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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Davenport, (KDVN), launched 00:00Z, 0.2 hours before the alert went out and 279 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 1995-05-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 173 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 00:00Z on 1995-05-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -133 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
173 J/kg
Mixed-layer CIN
-31 J/kg
Mixed-layer LCL
711 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
-133 m²/s²
0-3 km storm-relative helicity
-75 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSTL 100013
TORSTL
ILC135-100045-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
712 PM CDT TUE MAY 9 1995
 
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  745 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN CENTRAL ILLINOIS
 
   ...EASTERN MONTGOMERY COUNTY
 
A TORNADO HAS BEEN SIGHTED NEAR IRVING...OR 6 MILES NORTHEAST OF
HILLSBORO. THE STORM WAS MOVING TO THE EAST-NORTHEAST AT 30 MPH.
THE TOWMS OF WITT AND COALTON AND NOKOMIS ARE IN THE PATH OF THIS STORM.
 
THIS IS A DANGEROUS STORM SITUATION. ACT QUICKLY AND SEEK SHELTER
NOW!
 
 
 
&

The office that day

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

IssuedProductOfficeCountiesLasted
May 9, 7:53 PM CDTSevere Thunderstorm WarningLSXBond37 min

Nearby

Tornado Warnings in Illinois, 1995Every tornado warning in 1995Tornadoes in 1995

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.