Alert archive / Illinois / Tornado Warnings in 1995

Tornado Warning 15, NWS St. Louis, MO

May 18, 1995Randolph County, Illinois

NWS St. Louis, MO issued this tornado warning at May 18, 1995, 1:19 PM CDT for Randolph County, Illinois. It was in force for 35 min.

The area

The counties it named.

The facts

Issued
May 18, 1995, 1:19 PM CDT (18:19 UTC)
Expired
May 18, 1995, 1:54 PM CDT
In force
35 min
Issued by
NWS St. Louis, MO
Area
Whole counties

County Randolph County, IL

The radar

The St Louis radar (KLSX), 104 km from the middle of the area, began a volume at 18:21 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, 6.3 hours before the alert went out and 256 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 1995-05-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLEL10008507005003002001001 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, Lincoln, IL at 12:00Z on 1995-05-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 256 square meters per square second.1939587897117Sfc1 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
507 m above ground
0-6 km bulk shear
76 kt
0-1 km storm-relative helicity
256 m²/s²
0-3 km storm-relative helicity
346 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 181820
TORSTL
ILC157-181900-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
119 PM CDT THU MAY 18 1995
 
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  200 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTHWEST ILLINOIS
 
   ...RANDOLPH COUNTY
 
AT 116 PM...RADAR INDICATED A TORNADO NEAR EVANSVILLE ILLINOIS. THE
STORM WAS MOVING TO THE EAST-NORTHEAST AT 30 MPH. THE TO\WNS OF
SPARTA AND HOUSTON ARE IN THE PATH OF THIS STORM.
 
THIS WARNING IS AN UPGRADE OF THE PREVIOUS SEVERE THUNDERSTORM WARNING.
 
 
THIS IS A DANGEROUS STORM SITUATION. ACT QUICKLY AND SEEK SHELTER
NOW!
 
AS/FG/RP

The office that day

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

IssuedProductOfficeCountiesLasted
May 17, 11:56 PM CDTFlash Flood WarningLSXClinton, Madison, Monroe, Randolph, Saint Clair, Washington4 hr
May 17, 11:56 PM CDTFlash Flood WarningLSXJefferson, Perry4 hr
May 17, 11:56 PM CDTFlash Flood WarningLSXEffingham, Fayette4 hr
May 17, 11:56 PM CDTFlash Flood WarningLSXBond4 hr
May 17, 11:56 PM CDTFlash Flood WarningLSXCalhoun, Jersey4 hr
May 17, 11:56 PM CDTFlash Flood WarningLSXMarion4 hr
May 18, 12:19 PM CDTTornado WarningLSXMonroe41 min
May 18, 12:38 PM CDTTornado WarningLSXSaint Clair52 min
May 18, 12:54 PM CDTSevere Thunderstorm WarningLSXRandolph51 min
May 18, 1:03 PM CDTTornado WarningLSXWashington27 min
May 18, 1:12 PM CDTTornado WarningLSXClinton42 min
May 18, 1:22 PM CDTTornado WarningLSXWashington32 min
May 18, 1:35 PM CDTTornado WarningLSXJefferson, Marion40 min
May 18, 1:40 PM CDTSevere Thunderstorm WarningLSXPerry24 min
May 18, 2:02 PM CDTTornado WarningLSXFayette27 min
May 18, 2:02 PM CDTTornado WarningLSXEffingham43 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.