Alert archive / Illinois / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 12, NWS St. Louis, MO

April 9, 1995Adams County, Illinois; Lewis County, Missouri

NWS St. Louis, MO issued this severe thunderstorm warning at Apr 9, 1995, 10:26 PM CDT for Adams County, Illinois; Lewis County, Missouri. It was in force for 49 min.

The area

The counties it named.

The facts

Issued
Apr 9, 1995, 10:26 PM CDT (03:26 UTC)
Expired
Apr 9, 1995, 11:15 PM CDT
In force
49 min
Issued by
NWS St. Louis, MO
Area
Whole counties

Counties Adams County, IL, Lewis County, MO

The radar

The St Louis radar (KLSX), 163 km from the middle of the area, began a volume at 03:29 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

Davenport, (KDVN), launched 00:00Z, 3.4 hours before the alert went out and 193 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 1995-04-10Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Davenport, at 00:00Z on 1995-04-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 177 square meters per square second.19395878Sfc1 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
1534 m above ground
0-6 km bulk shear
72 kt
0-1 km storm-relative helicity
177 m²/s²
0-3 km storm-relative helicity
622 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.6

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSTL 100329 RRA
SVRSTL
ILC001-MOC111-100415-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
1026 PM CDT SUN APR 9 1995
 
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1115 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN WEST CENTRAL ILLINOIS
 
   ...ADAMS COUNTY
 
 
IN NORTHEAST MISSOURI
 
   ...LEWIS COUNTY
 
AT 1024 PM CDT...NWS DOPPLER RADAR SHOWED SEVERE THUNDERSTORMS OVER SOUT
RLEWIS COUNTY MISSOURI AND NORTHERN ADAMS COUNTY ILLINOIS.
 
THE STORMS STRETCHED FROM 20 MILES WEST OF QUINCY TO 15 MILES NORTHEAST
OF QUNICY.
 
THE TOWNS OF GOLDEN...LIMA IN ILLINOIS AND CANTON IS MISSOURI ARE IN
THE PATH OF THESE STORMS.
 
THE SEVERE THUNDERSTORMS WERE MOVING TO THE NORTHEAST AT 25 MPH.
 
 
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A
STRONG BUILDING.  DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...
AND DEADLY L0IGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS.
STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.
 
PRZYBYLINSKI

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Apr 9, 7:43 PM CDT, 2 hours 43 minutes before
MOZ058-070-100145-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA MISSOURI
743 PM CDT SUN APR 9 1995

AT 740PM A STRONG THUNDERSTORM WAS LOCATED 20 MILES WEST OF ROLLA... OR
JUST NORTHEAST OF WAYNESVILLE. IT WAS MOVING TO THE NORTHEAST AT 40 MPH.

THE COMMUNITIES OF DIXON...HAYDEN...AND VICHY CAN EXPECT WINDS OF 45
MPH...HEAVY RAIN...AND SMALL HAIL AS THIS STORM PASSES THROUGH BEFORE
730PM.

IF YOU ARE OUTDOORS...MOVE TO A PLACE OF SHELTER IMMEDIATELY IF A
STORM APPROACHES.  MOTORISTS SHOULD REMAIN ALERT FOR REDUCED
VISIBILITIES DURING DOWNPOURS OF RAIN.  STREETS MAY FLOOD QUICKLY.

REAUGH
Special weather statement, Apr 9, 7:44 PM CDT, 2 hours 42 minutes before
MOZ058-070-100145-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA MISSOURI
743 PM CDT SUN APR 9 1995

AT 740PM A STRONG THUNDERSTORM WAS LOCATED 20 MILES WEST OF ROLLA... OR
JUST NORTHEAST OF WAYNESVILLE. IT WAS MOVING TO THE NORTHEAST AT 40 MPH.

THE COMMUNITIES OF DIXON...HAYDEN...AND VICHY CAN EXPECT WINDS OF 45
MPH...HEAVY RAIN...AND SMALL HAIL AS THIS STORM PASSES THROUGH BEFORE
730PM.

IF YOU ARE OUTDOORS...MOVE TO A PLACE OF @SHELTER IMMEDIATELY IF A
STORM APPROACHES.  MOTORISTS SHOULD REMAIN ALERT FOR REDUCED
VISIBILITIES DURING DOWNPOURS OF RAIN.  STREETS MAY FLOOD QUICKLY.

REAUGH
Special weather statement, Apr 9, 7:46 PM CDT, 2 hours 40 minutes before
MOZ058-070-100145-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA MISSOURI
743 PM CDT SUN APR 9 1995     ...CORR FOR TIME...

AT 740PM A STRONG THUNDERSTORM WAS LOCATED 20 MILES WEST OF ROLLA... OR
JUST NORTHEAST OF WAYNESVILLE. IT WAS MOVING TO THE NORTHEAST AT 40 MPH.

THE COMMUNITIES OF DIXON...HAYDEN...AND VICHY CAN EXPECT WINDS OF 45
MPH...HEAVY RAIN...AND SMALL HAIL AS THIS STORM PASSES THROUGH BEFORE
830PM.

IF YOU ARE OUTDOORS...MOVE TO A PLACE OF SHELTER IMMEDIATELY IF A
STORM APPROACHES.  MOTORISTS SHOULD REMAIN ALERT FOR REDUCED
VISIBILITIES DURING DOWNPOURS OF RAIN.  STREETS MAY FLOOD QUICKLY.

REAUGH
Special weather statement, Apr 9, 8:09 PM CDT, 2 hours 17 minutes before
MOZ055-056-100210-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA MISSOURI
809 PM CDT SUN APR 9 1995

AT 805PM A STRONG THUNDERSTORM WAS 35 MILES SOUTH OF SEDALIA...OR JUST
A FEW MILES SOUTH OF WARSAW.

MOVEMENT WAS TO THE NORTHEAST AT 40MPH.

WINDS OF 45 MPH...HEAVY RAIN...AND SMALL HAIL ARE POSSIBLE WITH THIS
STORM.

THE THUNDERSTORM WILL REACH WARSAW BY 815PM AND WILL BE IN THE
STOVER/VERSAILLES AREA BY 845PM.

IF YOU ARE OUTDOORS...MOVE TO A PLACE OF SHELTER IMMEDIATELY IF A
STORM APPROACHES.  MOTORISTS SHOULD REMAIN ALERT FOR REDUCED
VISIBILITIES DURING DOWNPOURS OF RAIN.  STREETS MAY FLOOD QUICKLY.

REAUGH

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 10, 12:04 AM CDTSevere Thunderstorm WarningLSXAdams41 min
Apr 10, 5:39 PM CDTSevere Thunderstorm WarningLSXBrown51 min
Apr 9, 8:33 PM CDTSevere Thunderstorm WarningLSXPhelps42 min
Apr 9, 10:03 PM CDTSevere Thunderstorm WarningLSXFranklin, Gasconade42 min
Apr 9, 11:16 PM CDTSevere Thunderstorm WarningLSXClark, Lewis44 min
Apr 10, 10:54 AM CDTSevere Thunderstorm WarningLSXCole51 min
Apr 10, 10:56 AM CDTSevere Thunderstorm WarningLSXAudrain49 min
Apr 10, 11:16 AM CDTSevere Thunderstorm WarningLSXMonroe44 min
Apr 10, 5:42 PM CDTSevere Thunderstorm WarningLSXBoone, Callaway48 min
Apr 10, 6:40 PM CDTSevere Thunderstorm WarningLSXWarren50 min

Nearby

Severe Thunderstorm Warnings in Illinois, 1995Severe Thunderstorm Warnings in Missouri, 1995Every severe thunderstorm warning 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.