Alert archive / Missouri / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 91, NWS St. Louis, MO

May 18, 1995Sainte Genevieve County, Missouri; Randolph County, Illinois

NWS St. Louis, MO issued this severe thunderstorm warning at May 18, 1995, 12:54 PM CDT for Sainte Genevieve County, Missouri; Randolph County, Illinois. It was in force for 51 min.

The area

The counties it named.

The facts

Issued: May 18, 1995, 12:54 PM CDT (17:54 UTC)
Expired: May 18, 1995, 1:45 PM CDT
In force: 51 min
Issued by: NWS St. Louis, MO
Area: Whole counties

Counties Randolph County, IL, Sainte Genevieve County, MO

The radar

The St Louis radar (KLSX), 100 km from the middle of the area, began a volume at 17:56 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, 5.9 hours before the alert went out and 271 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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 181756
SVRSTL
ILC157-MOC186-181845-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
1254 PM CDT THU MAY 18 1995
 
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  145 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTHWEST ILLINOIS
 
   ...RANDOLPH COUNTY
 
 
IN EAST CENTRAL MISSOURI
 
   ...STE GENEVIEVE COUNTY
 
AT 1255 PM...A SEVERE THUNDERSTORM WAS 5 MILES SOUTHWEST OF
STE. GENEVIEVE. THE STORM WAS MOVING TO THE EAST-NORTHEAST AT 30 MPH.
STE. GENEVIEVE...ST. MARYS AND FORT GAGE ARE IN THE PATH OF THIS
STORM.
 
SEEK SHELTER IN A STURDY BUILDING. REMEMBER SEVERE THUNDERSTORMS
O:FTEN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING.

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, May 18, 10:26 AM CDT, 2 hours 28 minutes before

MOZ001>115-ILZ095>102-181900-

MISSOURI SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE ST LOUIS MO
1025 AM CDT THU MAY 18 1995

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS MOST OF
MISSOURI EXCEPT THE WEST PORTION FOR THIS AFTERNOON.

THIS AREA IS EAST OF A LINE FROM BETHANY IN HARRISON COUNTY TO
WARRENSBURG IN JOHNSON COUNTY TO CASSVILLE IN BARRY COUNTY.
THIS DOES NOT INCLUDE ST JOSEPH...THE KANSAS CITY METROPLITAN
AREA...OR JOPLIN. THE MAIN THREAT FROM THE THUNDERSTORMS SHOULD BE
LARGE HAIL.

STORM SPOTTER GROUPS AND EMERGENCY MANAGERS SHOULD KEEP ADVISED OF
THE
LATEST FORECAST FOR POSSIBLE SKYWARN ACTION FOR THE REMAINDER OF
THIS MORNING AND THIS AFTERNOON.

Special weather statement, May 18, 12:47 PM CDT, 7 minutes before

ILZ102-101-181815-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
1245 PM CDT THU MAY 18 1995

AT 1245 PM...A TORNADO WAS SIGHTED BY SKYWARN SPOTTERS JUST SOUTH OF
BELLEVILLE. THE STORM WAS MOVING TO THE EAST-NORTHEAST AND WILL MOVE
ACROSS SCOTT AIR FORCE BASE AND NEW BEADEN.

A SECOND TORNADO WAS JUST SOUTH OF MILLSTADT. THE TOWN OF FREEBURG IS IN
THE PATH OF THIS STORM. TAKE COVER NOW!

AS/FG

&

The office that day

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

Issued	Product	Office	Counties	Lasted
May 17, 11:56 PM CDT	Flash Flood Warning	LSX	Franklin, Jefferson, Saint Charles, Saint Louis	4 hr
May 17, 11:56 PM CDT	Flash Flood Warning	LSX	City of Saint Louis	4 hr
May 17, 11:56 PM CDT	Flash Flood Warning	LSX	Perry, Sainte Genevieve	4 hr
May 18, 8:32 AM CDT	Severe Thunderstorm Warning	LSX	Audrain, Monroe	43 min
May 18, 9:11 AM CDT	Severe Thunderstorm Warning	LSX	Ralls	52 min
May 18, 10:32 AM CDT	Severe Thunderstorm Warning	LSX	Phelps	43 min
May 18, 10:50 AM CDT	Severe Thunderstorm Warning	LSX	Crawford	40 min
May 18, 11:19 AM CDT	Severe Thunderstorm Warning	LSX	Franklin, Washington	56 min
May 18, 11:30 AM CDT	Severe Thunderstorm Warning	LSX	Crawford	30 min
May 18, 11:37 AM CDT	Severe Thunderstorm Warning	LSX	Jefferson	68 min
May 18, 12:05 PM CDT	Tornado Warning	LSX	Jefferson	40 min
May 17, 11:56 PM CDT	Flash Flood Warning	LSX	Jefferson, Perry	4 hr
May 17, 11:56 PM CDT	Flash Flood Warning	LSX	Effingham, Fayette	4 hr
May 17, 11:56 PM CDT	Flash Flood Warning	LSX	Bond	4 hr
May 17, 11:56 PM CDT	Flash Flood Warning	LSX	Calhoun, Jersey	4 hr
May 17, 11:56 PM CDT	Flash Flood Warning	LSX	Marion	4 hr
May 18, 12:19 PM CDT	Tornado Warning	LSX	Monroe	41 min
May 18, 12:38 PM CDT	Tornado Warning	LSX	Saint Clair	52 min
May 18, 1:03 PM CDT	Tornado Warning	LSX	Washington	27 min
May 18, 1:12 PM CDT	Tornado Warning	LSX	Clinton	42 min
May 18, 1:19 PM CDT	Tornado Warning	LSX	Randolph	35 min
May 18, 1:22 PM CDT	Tornado Warning	LSX	Washington	32 min
May 18, 1:35 PM CDT	Tornado Warning	LSX	Jefferson, Marion	40 min
May 18, 1:40 PM CDT	Severe Thunderstorm Warning	LSX	Perry	24 min
May 18, 2:02 PM CDT	Tornado Warning	LSX	Fayette	27 min
May 18, 2:02 PM CDT	Tornado Warning	LSX	Effingham	43 min

Nearby

Severe Thunderstorm Warnings in Missouri, 1995 Severe Thunderstorm Warnings in Illinois, 1995 Every 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.