Alert archive / Missouri / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 89, NWS St. Louis, MO

May 18, 1995Crawford County, Missouri

NWS St. Louis, MO issued this severe thunderstorm warning at May 18, 1995, 11:30 AM CDT for Crawford County, Missouri. It was in force for 30 min.

The area

The counties it named.

The facts

Issued
May 18, 1995, 11:30 AM CDT (16:30 UTC)
Expired
May 18, 1995, 12:00 PM CDT
In force
30 min
Issued by
NWS St. Louis, MO
Area
Whole counties

County Crawford County, MO

The radar

The St Louis radar (KLSX), 97 km from the middle of the area, began a volume at 16:32 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, 4.5 hours before the alert went out and 336 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°0°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 181632
SVRSTL
MOC055-181700-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
1130 AM CDT THU MAY 18 1995
 
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL NOON CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN EAST CENTRAL MISSOURI
 
   ...NORTHEASTERN CRAWFORD COUNTY
 
AT 1130...A SEVERE THUNDERSTORM WAS 10 MILES NORTHEAST OF STEELVILLE.
THE STORM WAS MOVING TO THE EAST-NORTHEAST AT 30 MPH.
 
THIS STORM PRODUCED GOLFBALL SIZE HAIL IN CUBA BETWEEN 1110 AND 1115 AM.
 
THIS STORM HAS A HISTORY OF DAMAGING HAIL. STAY INSIDE AND AWAY
FROM WINDOWS.
 
 
 
&

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, 1 hour 4 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.

The office that day

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

IssuedProductOfficeCountiesLasted
May 17, 11:56 PM CDTFlash Flood WarningLSXFranklin, Jefferson, Saint Charles, Saint Louis4 hr
May 17, 11:56 PM CDTFlash Flood WarningLSXCity of Saint Louis4 hr
May 17, 11:56 PM CDTFlash Flood WarningLSXPerry, Sainte Genevieve4 hr
May 18, 8:32 AM CDTSevere Thunderstorm WarningLSXAudrain, Monroe43 min
May 18, 9:11 AM CDTSevere Thunderstorm WarningLSXRalls52 min
May 18, 10:32 AM CDTSevere Thunderstorm WarningLSXPhelps43 min
May 18, 10:50 AM CDTSevere Thunderstorm WarningLSXCrawford40 min
May 18, 11:19 AM CDTSevere Thunderstorm WarningLSXFranklin, Washington56 min
May 18, 11:37 AM CDTSevere Thunderstorm WarningLSXJefferson68 min
May 18, 12:05 PM CDTTornado WarningLSXJefferson40 min
May 18, 12:54 PM CDTSevere Thunderstorm WarningLSXSainte Genevieve51 min

Nearby

Severe 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.