Alert archive / Illinois / Tornado Warnings in 1995

Tornado Warning 6, NWS St. Louis, MO

May 13, 1995Monroe County, Illinois

NWS St. Louis, MO issued this tornado warning at May 13, 1995, 9:43 PM CDT for Monroe County, Illinois. It was in force for 47 min.

The area

The counties it named.

The facts

Issued
May 13, 1995, 9:43 PM CDT (02:43 UTC)
Expired
May 13, 1995, 10:30 PM CDT
In force
47 min
Issued by
NWS St. Louis, MO
Area
Whole counties

County Monroe County, IL

The radar

The St Louis radar (KLSX), 64 km from the middle of the area, began a volume at 02:43 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 00:00Z, 2.7 hours before the alert went out and 248 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 00:00Z on 1995-05-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2056 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 00:00Z on 1995-05-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 289 square meters per square second.1939587897Sfc1 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
2056 J/kg
Mixed-layer CIN
-80 J/kg
Mixed-layer LCL
699 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
289 m²/s²
0-3 km storm-relative helicity
320 m²/s²
Significant tornado parameter
3.2
Supercell composite
18.6

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSTL 140244
TORSTL
ILC133-140330-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
943 PM CDT SAT MAY 13 1995
 
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL 1030 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTHWEST ILLINOIS
 
   ...MONROE COUNTY
 
AT 940 PM...DOPPLER RADAR INDICATED A DEVELOPING TORNADO OVER THE
CENTRAL PART OF MONROE COUNTY ILLINOIS...NEAR MAEYSTOWN. THITS STORM WAS
MOVING EAST AT 35 MILES AN HOUR. IT WILL TRACK NEAR
WATERLOO...BURKSVILLE AND WORTBERG DURING THE NEXT HALF HOUR.
 
TAKE COVER NOW!
 
THIS IS A DANGEROUS STORM SITUATION. ACT QUICKLY AND SEEK SHELTER
NOW!
 
SHEA

The office that day

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

IssuedProductOfficeCountiesLasted
May 13, 9:24 PM CDTSevere Thunderstorm WarningLSXMonroe51 min
May 13, 9:58 PM CDTSevere Thunderstorm WarningLSXRandolph, Saint Clair47 min
May 13, 10:03 PM CDTSevere Thunderstorm WarningLSXSaint Clair42 min
May 13, 10:30 PM CDTSevere Thunderstorm WarningLSXWashington60 min
May 13, 10:54 PM CDTSevere Thunderstorm WarningLSXMonroe51 min
May 13, 11:13 PM CDTSevere Thunderstorm WarningLSXSaint Clair47 min
May 14, 12:29 AM CDTSevere Thunderstorm WarningLSXJefferson46 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.